/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 03:55:21,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 03:55:21,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 03:55:21,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-28 03:55:21,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 03:55:21,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 03:55:21,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 03:55:21,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-28 03:55:21,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 03:55:21,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 03:55:21,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 03:55:21,412 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-28 03:55:21,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 03:55:21,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-28 03:55:21,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 03:55:21,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 03:55:21,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 03:55:21,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 03:55:21,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 03:55:21,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 03:55:21,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 03:55:21,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 03:55:21,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 03:55:21,415 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 03:55:21,415 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 03:55:21,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 03:55:21,415 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-28 03:55:21,415 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 03:55:21,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 03:55:21,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 03:55:21,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 03:55:21,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 03:55:21,646 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 03:55:21,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-2.c [2022-04-28 03:55:21,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b1a8b0a/17f054cb6f084fe488db70149503ae5c/FLAGd8aa28e46 [2022-04-28 03:55:22,044 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 03:55:22,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-2.c [2022-04-28 03:55:22,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b1a8b0a/17f054cb6f084fe488db70149503ae5c/FLAGd8aa28e46 [2022-04-28 03:55:22,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b1a8b0a/17f054cb6f084fe488db70149503ae5c [2022-04-28 03:55:22,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 03:55:22,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 03:55:22,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 03:55:22,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 03:55:22,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 03:55:22,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6198869a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22, skipping insertion in model container [2022-04-28 03:55:22,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 03:55:22,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 03:55:22,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-2.c[321,334] [2022-04-28 03:55:22,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 03:55:22,253 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 03:55:22,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-2.c[321,334] [2022-04-28 03:55:22,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 03:55:22,273 INFO L208 MainTranslator]: Completed translation [2022-04-28 03:55:22,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22 WrapperNode [2022-04-28 03:55:22,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 03:55:22,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 03:55:22,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 03:55:22,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 03:55:22,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 03:55:22,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 03:55:22,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 03:55:22,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 03:55:22,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (1/1) ... [2022-04-28 03:55:22,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 03:55:22,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:22,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-28 03:55:22,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-28 03:55:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 03:55:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 03:55:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 03:55:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 03:55:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 03:55:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 03:55:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 03:55:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 03:55:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 03:55:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 03:55:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 03:55:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 03:55:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 03:55:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 03:55:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 03:55:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 03:55:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 03:55:22,431 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 03:55:22,432 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 03:55:22,593 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 03:55:22,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 03:55:22,614 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-28 03:55:22,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:55:22 BoogieIcfgContainer [2022-04-28 03:55:22,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 03:55:22,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 03:55:22,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 03:55:22,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 03:55:22,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 03:55:22" (1/3) ... [2022-04-28 03:55:22,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf6d766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:55:22, skipping insertion in model container [2022-04-28 03:55:22,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:55:22" (2/3) ... [2022-04-28 03:55:22,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf6d766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:55:22, skipping insertion in model container [2022-04-28 03:55:22,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:55:22" (3/3) ... [2022-04-28 03:55:22,620 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-2.c [2022-04-28 03:55:22,630 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 03:55:22,630 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 03:55:22,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 03:55:22,663 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f8ad97b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@fa4062e [2022-04-28 03:55:22,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 03:55:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 03:55:22,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-28 03:55:22,672 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:22,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:22,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:22,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:22,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1794590667, now seen corresponding path program 1 times [2022-04-28 03:55:22,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:22,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [340588394] [2022-04-28 03:55:22,695 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:55:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1794590667, now seen corresponding path program 2 times [2022-04-28 03:55:22,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:22,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864592955] [2022-04-28 03:55:22,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:22,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:22,803 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28#true} is VALID [2022-04-28 03:55:22,804 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#true} assume true; {28#true} is VALID [2022-04-28 03:55:22,804 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {28#true} {28#true} #63#return; {28#true} is VALID [2022-04-28 03:55:22,805 INFO L272 TraceCheckUtils]: 0: Hoare triple {28#true} call ULTIMATE.init(); {33#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:22,806 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28#true} is VALID [2022-04-28 03:55:22,806 INFO L290 TraceCheckUtils]: 2: Hoare triple {28#true} assume true; {28#true} is VALID [2022-04-28 03:55:22,806 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28#true} {28#true} #63#return; {28#true} is VALID [2022-04-28 03:55:22,806 INFO L272 TraceCheckUtils]: 4: Hoare triple {28#true} call #t~ret7 := main(); {28#true} is VALID [2022-04-28 03:55:22,806 INFO L290 TraceCheckUtils]: 5: Hoare triple {28#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28#true} is VALID [2022-04-28 03:55:22,807 INFO L290 TraceCheckUtils]: 6: Hoare triple {28#true} assume !true; {29#false} is VALID [2022-04-28 03:55:22,807 INFO L272 TraceCheckUtils]: 7: Hoare triple {29#false} call __VERIFIER_assert((if 0 == (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 then 1 else 0)); {29#false} is VALID [2022-04-28 03:55:22,807 INFO L290 TraceCheckUtils]: 8: Hoare triple {29#false} ~cond := #in~cond; {29#false} is VALID [2022-04-28 03:55:22,807 INFO L290 TraceCheckUtils]: 9: Hoare triple {29#false} assume 0 == ~cond; {29#false} is VALID [2022-04-28 03:55:22,807 INFO L290 TraceCheckUtils]: 10: Hoare triple {29#false} assume !false; {29#false} is VALID [2022-04-28 03:55:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:22,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:22,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864592955] [2022-04-28 03:55:22,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864592955] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:22,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:22,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 03:55:22,811 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:22,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [340588394] [2022-04-28 03:55:22,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [340588394] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:22,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:22,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 03:55:22,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350621894] [2022-04-28 03:55:22,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:22,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 03:55:22,817 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:22,819 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:22,830 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:22,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 03:55:22,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:22,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 03:55:22,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 03:55:22,845 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:22,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:22,957 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2022-04-28 03:55:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 03:55:22,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 03:55:22,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2022-04-28 03:55:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2022-04-28 03:55:22,979 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 63 transitions. [2022-04-28 03:55:23,068 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,073 INFO L225 Difference]: With dead ends: 44 [2022-04-28 03:55:23,074 INFO L226 Difference]: Without dead ends: 20 [2022-04-28 03:55:23,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 03:55:23,083 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:23,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 03:55:23,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-28 03:55:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-28 03:55:23,111 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:23,112 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,112 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,113 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,119 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-04-28 03:55:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-28 03:55:23,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:23,124 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:23,125 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-28 03:55:23,125 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-28 03:55:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,129 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-04-28 03:55:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-28 03:55:23,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:23,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:23,129 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:23,129 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-04-28 03:55:23,133 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-04-28 03:55:23,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:23,134 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-04-28 03:55:23,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,134 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 20 states and 24 transitions. [2022-04-28 03:55:23,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-28 03:55:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-28 03:55:23,190 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:23,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:23,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 03:55:23,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:23,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1824143339, now seen corresponding path program 1 times [2022-04-28 03:55:23,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:23,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [597530550] [2022-04-28 03:55:23,192 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:55:23,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1824143339, now seen corresponding path program 2 times [2022-04-28 03:55:23,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:23,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909470444] [2022-04-28 03:55:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:23,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:23,308 INFO L290 TraceCheckUtils]: 0: Hoare triple {210#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {204#true} is VALID [2022-04-28 03:55:23,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {204#true} assume true; {204#true} is VALID [2022-04-28 03:55:23,308 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {204#true} {204#true} #63#return; {204#true} is VALID [2022-04-28 03:55:23,309 INFO L272 TraceCheckUtils]: 0: Hoare triple {204#true} call ULTIMATE.init(); {210#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:23,309 INFO L290 TraceCheckUtils]: 1: Hoare triple {210#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {204#true} is VALID [2022-04-28 03:55:23,310 INFO L290 TraceCheckUtils]: 2: Hoare triple {204#true} assume true; {204#true} is VALID [2022-04-28 03:55:23,310 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {204#true} {204#true} #63#return; {204#true} is VALID [2022-04-28 03:55:23,310 INFO L272 TraceCheckUtils]: 4: Hoare triple {204#true} call #t~ret7 := main(); {204#true} is VALID [2022-04-28 03:55:23,312 INFO L290 TraceCheckUtils]: 5: Hoare triple {204#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {209#(= main_~x~0 0)} is VALID [2022-04-28 03:55:23,312 INFO L290 TraceCheckUtils]: 6: Hoare triple {209#(= main_~x~0 0)} assume !(~x~0 % 4294967296 < 268435455); {205#false} is VALID [2022-04-28 03:55:23,313 INFO L272 TraceCheckUtils]: 7: Hoare triple {205#false} call __VERIFIER_assert((if 0 == (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 then 1 else 0)); {205#false} is VALID [2022-04-28 03:55:23,313 INFO L290 TraceCheckUtils]: 8: Hoare triple {205#false} ~cond := #in~cond; {205#false} is VALID [2022-04-28 03:55:23,313 INFO L290 TraceCheckUtils]: 9: Hoare triple {205#false} assume 0 == ~cond; {205#false} is VALID [2022-04-28 03:55:23,313 INFO L290 TraceCheckUtils]: 10: Hoare triple {205#false} assume !false; {205#false} is VALID [2022-04-28 03:55:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:23,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:23,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909470444] [2022-04-28 03:55:23,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909470444] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:23,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:23,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 03:55:23,314 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:23,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [597530550] [2022-04-28 03:55:23,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [597530550] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:23,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:23,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 03:55:23,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102714855] [2022-04-28 03:55:23,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:23,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 03:55:23,319 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:23,319 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,333 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 03:55:23,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:23,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 03:55:23,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 03:55:23,334 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,434 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-04-28 03:55:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 03:55:23,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 03:55:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-04-28 03:55:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-04-28 03:55:23,442 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 42 transitions. [2022-04-28 03:55:23,476 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,478 INFO L225 Difference]: With dead ends: 34 [2022-04-28 03:55:23,479 INFO L226 Difference]: Without dead ends: 27 [2022-04-28 03:55:23,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 03:55:23,481 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:23,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 03:55:23,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-28 03:55:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-04-28 03:55:23,491 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:23,492 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,493 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,493 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,497 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-04-28 03:55:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-04-28 03:55:23,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:23,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:23,499 INFO L74 IsIncluded]: Start isIncluded. First operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 03:55:23,499 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 03:55:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,501 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-04-28 03:55:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-04-28 03:55:23,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:23,502 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:23,502 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:23,502 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-04-28 03:55:23,506 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-04-28 03:55:23,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:23,506 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-04-28 03:55:23,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,507 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 21 states and 25 transitions. [2022-04-28 03:55:23,529 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-04-28 03:55:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-28 03:55:23,531 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:23,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:23,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-28 03:55:23,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:23,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:23,539 INFO L85 PathProgramCache]: Analyzing trace with hash -699512288, now seen corresponding path program 1 times [2022-04-28 03:55:23,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:23,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2141790311] [2022-04-28 03:55:23,542 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:55:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash -699512288, now seen corresponding path program 2 times [2022-04-28 03:55:23,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:23,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801164513] [2022-04-28 03:55:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:23,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:23,604 INFO L290 TraceCheckUtils]: 0: Hoare triple {385#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {379#true} is VALID [2022-04-28 03:55:23,605 INFO L290 TraceCheckUtils]: 1: Hoare triple {379#true} assume true; {379#true} is VALID [2022-04-28 03:55:23,605 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {379#true} {379#true} #63#return; {379#true} is VALID [2022-04-28 03:55:23,605 INFO L272 TraceCheckUtils]: 0: Hoare triple {379#true} call ULTIMATE.init(); {385#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:23,605 INFO L290 TraceCheckUtils]: 1: Hoare triple {385#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {379#true} is VALID [2022-04-28 03:55:23,606 INFO L290 TraceCheckUtils]: 2: Hoare triple {379#true} assume true; {379#true} is VALID [2022-04-28 03:55:23,606 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {379#true} {379#true} #63#return; {379#true} is VALID [2022-04-28 03:55:23,606 INFO L272 TraceCheckUtils]: 4: Hoare triple {379#true} call #t~ret7 := main(); {379#true} is VALID [2022-04-28 03:55:23,606 INFO L290 TraceCheckUtils]: 5: Hoare triple {379#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {379#true} is VALID [2022-04-28 03:55:23,607 INFO L290 TraceCheckUtils]: 6: Hoare triple {379#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {384#(= main_~y~0 0)} is VALID [2022-04-28 03:55:23,607 INFO L290 TraceCheckUtils]: 7: Hoare triple {384#(= main_~y~0 0)} assume !(~y~0 % 4294967296 < 268435455); {380#false} is VALID [2022-04-28 03:55:23,607 INFO L272 TraceCheckUtils]: 8: Hoare triple {380#false} call __VERIFIER_assert((if 0 == (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % 2 then ~y~0 % 4294967296 % 2 - 2 else ~y~0 % 4294967296 % 2) % 4294967296 then 1 else 0)); {380#false} is VALID [2022-04-28 03:55:23,607 INFO L290 TraceCheckUtils]: 9: Hoare triple {380#false} ~cond := #in~cond; {380#false} is VALID [2022-04-28 03:55:23,608 INFO L290 TraceCheckUtils]: 10: Hoare triple {380#false} assume 0 == ~cond; {380#false} is VALID [2022-04-28 03:55:23,608 INFO L290 TraceCheckUtils]: 11: Hoare triple {380#false} assume !false; {380#false} is VALID [2022-04-28 03:55:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:23,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:23,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801164513] [2022-04-28 03:55:23,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801164513] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:23,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:23,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 03:55:23,609 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:23,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2141790311] [2022-04-28 03:55:23,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2141790311] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:23,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:23,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 03:55:23,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761194126] [2022-04-28 03:55:23,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:23,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 03:55:23,610 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:23,610 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,618 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 03:55:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:23,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 03:55:23,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 03:55:23,619 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,729 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2022-04-28 03:55:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 03:55:23,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 03:55:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-04-28 03:55:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-04-28 03:55:23,732 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 50 transitions. [2022-04-28 03:55:23,774 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,775 INFO L225 Difference]: With dead ends: 39 [2022-04-28 03:55:23,776 INFO L226 Difference]: Without dead ends: 25 [2022-04-28 03:55:23,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 03:55:23,778 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:23,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 03:55:23,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-28 03:55:23,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-04-28 03:55:23,789 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:23,791 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,791 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,791 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,794 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-04-28 03:55:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-04-28 03:55:23,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:23,798 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:23,798 INFO L74 IsIncluded]: Start isIncluded. First operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 03:55:23,798 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 03:55:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,803 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-04-28 03:55:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-04-28 03:55:23,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:23,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:23,815 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:23,816 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-04-28 03:55:23,817 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-04-28 03:55:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:23,817 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-04-28 03:55:23,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,817 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 26 transitions. [2022-04-28 03:55:23,842 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-04-28 03:55:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-28 03:55:23,843 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:23,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:23,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-28 03:55:23,844 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:23,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:23,844 INFO L85 PathProgramCache]: Analyzing trace with hash -185588926, now seen corresponding path program 1 times [2022-04-28 03:55:23,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:23,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [715975380] [2022-04-28 03:55:23,845 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:55:23,845 INFO L85 PathProgramCache]: Analyzing trace with hash -185588926, now seen corresponding path program 2 times [2022-04-28 03:55:23,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:23,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889278343] [2022-04-28 03:55:23,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:23,900 INFO L290 TraceCheckUtils]: 0: Hoare triple {569#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {563#true} is VALID [2022-04-28 03:55:23,901 INFO L290 TraceCheckUtils]: 1: Hoare triple {563#true} assume true; {563#true} is VALID [2022-04-28 03:55:23,901 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {563#true} {563#true} #63#return; {563#true} is VALID [2022-04-28 03:55:23,902 INFO L272 TraceCheckUtils]: 0: Hoare triple {563#true} call ULTIMATE.init(); {569#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:23,902 INFO L290 TraceCheckUtils]: 1: Hoare triple {569#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {563#true} is VALID [2022-04-28 03:55:23,902 INFO L290 TraceCheckUtils]: 2: Hoare triple {563#true} assume true; {563#true} is VALID [2022-04-28 03:55:23,902 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {563#true} {563#true} #63#return; {563#true} is VALID [2022-04-28 03:55:23,902 INFO L272 TraceCheckUtils]: 4: Hoare triple {563#true} call #t~ret7 := main(); {563#true} is VALID [2022-04-28 03:55:23,902 INFO L290 TraceCheckUtils]: 5: Hoare triple {563#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {563#true} is VALID [2022-04-28 03:55:23,903 INFO L290 TraceCheckUtils]: 6: Hoare triple {563#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {563#true} is VALID [2022-04-28 03:55:23,904 INFO L290 TraceCheckUtils]: 7: Hoare triple {563#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {568#(= main_~z~0 0)} is VALID [2022-04-28 03:55:23,905 INFO L290 TraceCheckUtils]: 8: Hoare triple {568#(= main_~z~0 0)} assume !(~z~0 % 4294967296 < 268435455); {564#false} is VALID [2022-04-28 03:55:23,905 INFO L272 TraceCheckUtils]: 9: Hoare triple {564#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {564#false} is VALID [2022-04-28 03:55:23,905 INFO L290 TraceCheckUtils]: 10: Hoare triple {564#false} ~cond := #in~cond; {564#false} is VALID [2022-04-28 03:55:23,905 INFO L290 TraceCheckUtils]: 11: Hoare triple {564#false} assume 0 == ~cond; {564#false} is VALID [2022-04-28 03:55:23,905 INFO L290 TraceCheckUtils]: 12: Hoare triple {564#false} assume !false; {564#false} is VALID [2022-04-28 03:55:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:23,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:23,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889278343] [2022-04-28 03:55:23,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889278343] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:23,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:23,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 03:55:23,906 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:23,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [715975380] [2022-04-28 03:55:23,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [715975380] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:23,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:23,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 03:55:23,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879797111] [2022-04-28 03:55:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:23,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-04-28 03:55:23,907 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:23,907 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,922 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:23,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 03:55:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:23,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 03:55:23,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 03:55:23,923 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:23,994 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-04-28 03:55:23,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 03:55:23,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-04-28 03:55:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2022-04-28 03:55:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2022-04-28 03:55:23,997 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 46 transitions. [2022-04-28 03:55:24,037 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:24,039 INFO L225 Difference]: With dead ends: 39 [2022-04-28 03:55:24,039 INFO L226 Difference]: Without dead ends: 24 [2022-04-28 03:55:24,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 03:55:24,041 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:24,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 03:55:24,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-04-28 03:55:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-04-28 03:55:24,044 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:24,045 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:24,045 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:24,045 INFO L87 Difference]: Start difference. First operand 24 states. Second operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:24,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:24,046 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-04-28 03:55:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-04-28 03:55:24,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:24,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:24,047 INFO L74 IsIncluded]: Start isIncluded. First operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 24 states. [2022-04-28 03:55:24,047 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 24 states. [2022-04-28 03:55:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:24,053 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-04-28 03:55:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-04-28 03:55:24,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:24,053 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:24,053 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:24,053 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-04-28 03:55:24,054 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-04-28 03:55:24,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:24,054 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-04-28 03:55:24,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:24,055 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 23 states and 27 transitions. [2022-04-28 03:55:24,075 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-04-28 03:55:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-28 03:55:24,076 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:24,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:24,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-28 03:55:24,076 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:24,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:24,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1431986846, now seen corresponding path program 1 times [2022-04-28 03:55:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:24,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1626343114] [2022-04-28 03:55:30,294 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:30,537 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:30,539 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash -278509117, now seen corresponding path program 1 times [2022-04-28 03:55:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:30,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821912072] [2022-04-28 03:55:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:30,562 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:30,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:30,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1431986846, now seen corresponding path program 2 times [2022-04-28 03:55:30,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:30,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810818231] [2022-04-28 03:55:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:30,629 INFO L290 TraceCheckUtils]: 0: Hoare triple {754#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 03:55:30,629 INFO L290 TraceCheckUtils]: 1: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 03:55:30,629 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 03:55:30,630 INFO L272 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {754#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:30,630 INFO L290 TraceCheckUtils]: 1: Hoare triple {754#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 03:55:30,630 INFO L290 TraceCheckUtils]: 2: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 03:55:30,630 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 03:55:30,630 INFO L272 TraceCheckUtils]: 4: Hoare triple {747#true} call #t~ret7 := main(); {747#true} is VALID [2022-04-28 03:55:30,630 INFO L290 TraceCheckUtils]: 5: Hoare triple {747#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {747#true} is VALID [2022-04-28 03:55:30,631 INFO L290 TraceCheckUtils]: 6: Hoare triple {747#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {747#true} is VALID [2022-04-28 03:55:30,631 INFO L290 TraceCheckUtils]: 7: Hoare triple {747#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {752#(= main_~z~0 0)} is VALID [2022-04-28 03:55:30,631 INFO L290 TraceCheckUtils]: 8: Hoare triple {752#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {753#(and (<= main_~z~0 1) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:55:30,632 INFO L290 TraceCheckUtils]: 9: Hoare triple {753#(and (<= main_~z~0 1) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {748#false} is VALID [2022-04-28 03:55:30,632 INFO L272 TraceCheckUtils]: 10: Hoare triple {748#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {748#false} is VALID [2022-04-28 03:55:30,632 INFO L290 TraceCheckUtils]: 11: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2022-04-28 03:55:30,632 INFO L290 TraceCheckUtils]: 12: Hoare triple {748#false} assume 0 == ~cond; {748#false} is VALID [2022-04-28 03:55:30,632 INFO L290 TraceCheckUtils]: 13: Hoare triple {748#false} assume !false; {748#false} is VALID [2022-04-28 03:55:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:30,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:30,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810818231] [2022-04-28 03:55:30,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810818231] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:30,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096613235] [2022-04-28 03:55:30,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:55:30,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:30,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:30,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:30,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-28 03:55:30,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:55:30,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:30,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 03:55:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:30,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:30,712 INFO L272 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {747#true} is VALID [2022-04-28 03:55:30,713 INFO L290 TraceCheckUtils]: 1: Hoare triple {747#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 03:55:30,713 INFO L290 TraceCheckUtils]: 2: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 03:55:30,713 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 03:55:30,713 INFO L272 TraceCheckUtils]: 4: Hoare triple {747#true} call #t~ret7 := main(); {747#true} is VALID [2022-04-28 03:55:30,713 INFO L290 TraceCheckUtils]: 5: Hoare triple {747#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {747#true} is VALID [2022-04-28 03:55:30,713 INFO L290 TraceCheckUtils]: 6: Hoare triple {747#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {747#true} is VALID [2022-04-28 03:55:30,714 INFO L290 TraceCheckUtils]: 7: Hoare triple {747#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {752#(= main_~z~0 0)} is VALID [2022-04-28 03:55:30,714 INFO L290 TraceCheckUtils]: 8: Hoare triple {752#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {782#(= (+ (- 1) main_~z~0) 0)} is VALID [2022-04-28 03:55:30,715 INFO L290 TraceCheckUtils]: 9: Hoare triple {782#(= (+ (- 1) main_~z~0) 0)} assume !(~z~0 % 4294967296 < 268435455); {748#false} is VALID [2022-04-28 03:55:30,715 INFO L272 TraceCheckUtils]: 10: Hoare triple {748#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {748#false} is VALID [2022-04-28 03:55:30,716 INFO L290 TraceCheckUtils]: 11: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2022-04-28 03:55:30,716 INFO L290 TraceCheckUtils]: 12: Hoare triple {748#false} assume 0 == ~cond; {748#false} is VALID [2022-04-28 03:55:30,716 INFO L290 TraceCheckUtils]: 13: Hoare triple {748#false} assume !false; {748#false} is VALID [2022-04-28 03:55:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:30,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:30,766 INFO L290 TraceCheckUtils]: 13: Hoare triple {748#false} assume !false; {748#false} is VALID [2022-04-28 03:55:30,766 INFO L290 TraceCheckUtils]: 12: Hoare triple {748#false} assume 0 == ~cond; {748#false} is VALID [2022-04-28 03:55:30,766 INFO L290 TraceCheckUtils]: 11: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2022-04-28 03:55:30,767 INFO L272 TraceCheckUtils]: 10: Hoare triple {748#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {748#false} is VALID [2022-04-28 03:55:30,768 INFO L290 TraceCheckUtils]: 9: Hoare triple {810#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {748#false} is VALID [2022-04-28 03:55:30,768 INFO L290 TraceCheckUtils]: 8: Hoare triple {814#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {810#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:30,769 INFO L290 TraceCheckUtils]: 7: Hoare triple {747#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {814#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:30,769 INFO L290 TraceCheckUtils]: 6: Hoare triple {747#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {747#true} is VALID [2022-04-28 03:55:30,769 INFO L290 TraceCheckUtils]: 5: Hoare triple {747#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {747#true} is VALID [2022-04-28 03:55:30,769 INFO L272 TraceCheckUtils]: 4: Hoare triple {747#true} call #t~ret7 := main(); {747#true} is VALID [2022-04-28 03:55:30,769 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 03:55:30,770 INFO L290 TraceCheckUtils]: 2: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 03:55:30,770 INFO L290 TraceCheckUtils]: 1: Hoare triple {747#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 03:55:30,770 INFO L272 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {747#true} is VALID [2022-04-28 03:55:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:30,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096613235] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:30,770 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:30,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-04-28 03:55:30,771 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:30,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1626343114] [2022-04-28 03:55:30,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1626343114] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:30,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:30,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 03:55:30,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720377588] [2022-04-28 03:55:30,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:30,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-28 03:55:30,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:30,772 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:30,784 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:30,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 03:55:30,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:30,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 03:55:30,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-04-28 03:55:30,785 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:30,909 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2022-04-28 03:55:30,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 03:55:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-28 03:55:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:30,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-04-28 03:55:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-04-28 03:55:30,914 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 47 transitions. [2022-04-28 03:55:30,944 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:30,945 INFO L225 Difference]: With dead ends: 41 [2022-04-28 03:55:30,945 INFO L226 Difference]: Without dead ends: 25 [2022-04-28 03:55:30,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-04-28 03:55:30,946 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:30,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 33 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 03:55:30,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-28 03:55:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-04-28 03:55:30,952 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:30,953 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:30,953 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:30,953 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:30,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:30,954 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-28 03:55:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 03:55:30,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:30,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:30,955 INFO L74 IsIncluded]: Start isIncluded. First operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 03:55:30,956 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 03:55:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:30,957 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-28 03:55:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 03:55:30,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:30,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:30,957 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:30,957 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-04-28 03:55:30,958 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 14 [2022-04-28 03:55:30,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:30,959 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-04-28 03:55:30,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:30,959 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 24 states and 28 transitions. [2022-04-28 03:55:30,980 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-04-28 03:55:30,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-28 03:55:30,980 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:30,980 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:31,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:31,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-04-28 03:55:31,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:31,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:31,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1415616702, now seen corresponding path program 3 times [2022-04-28 03:55:31,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:31,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1285518037] [2022-04-28 03:55:32,323 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:32,494 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:32,496 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:32,497 INFO L85 PathProgramCache]: Analyzing trace with hash -219403773, now seen corresponding path program 1 times [2022-04-28 03:55:32,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:32,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529137608] [2022-04-28 03:55:32,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:32,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:32,526 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:32,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:32,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1415616702, now seen corresponding path program 4 times [2022-04-28 03:55:32,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:32,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387452287] [2022-04-28 03:55:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:32,624 INFO L290 TraceCheckUtils]: 0: Hoare triple {1034#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 03:55:32,625 INFO L290 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 03:55:32,625 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 03:55:32,625 INFO L272 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1034#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:32,625 INFO L290 TraceCheckUtils]: 1: Hoare triple {1034#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 03:55:32,625 INFO L290 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 03:55:32,626 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 03:55:32,626 INFO L272 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret7 := main(); {1026#true} is VALID [2022-04-28 03:55:32,626 INFO L290 TraceCheckUtils]: 5: Hoare triple {1026#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1026#true} is VALID [2022-04-28 03:55:32,626 INFO L290 TraceCheckUtils]: 6: Hoare triple {1026#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1026#true} is VALID [2022-04-28 03:55:32,627 INFO L290 TraceCheckUtils]: 7: Hoare triple {1026#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1031#(= main_~z~0 0)} is VALID [2022-04-28 03:55:32,628 INFO L290 TraceCheckUtils]: 8: Hoare triple {1031#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:32,629 INFO L290 TraceCheckUtils]: 9: Hoare triple {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1033#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 2))} is VALID [2022-04-28 03:55:32,639 INFO L290 TraceCheckUtils]: 10: Hoare triple {1033#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 2))} assume !(~z~0 % 4294967296 < 268435455); {1027#false} is VALID [2022-04-28 03:55:32,639 INFO L272 TraceCheckUtils]: 11: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1027#false} is VALID [2022-04-28 03:55:32,639 INFO L290 TraceCheckUtils]: 12: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2022-04-28 03:55:32,640 INFO L290 TraceCheckUtils]: 13: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2022-04-28 03:55:32,640 INFO L290 TraceCheckUtils]: 14: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2022-04-28 03:55:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:32,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:32,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387452287] [2022-04-28 03:55:32,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387452287] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:32,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576588643] [2022-04-28 03:55:32,640 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:55:32,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:32,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:32,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:32,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-28 03:55:32,672 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:55:32,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:32,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 03:55:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:32,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:32,848 INFO L272 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2022-04-28 03:55:32,849 INFO L290 TraceCheckUtils]: 1: Hoare triple {1026#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 03:55:32,849 INFO L290 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 03:55:32,849 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 03:55:32,849 INFO L272 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret7 := main(); {1026#true} is VALID [2022-04-28 03:55:32,849 INFO L290 TraceCheckUtils]: 5: Hoare triple {1026#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1026#true} is VALID [2022-04-28 03:55:32,849 INFO L290 TraceCheckUtils]: 6: Hoare triple {1026#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1026#true} is VALID [2022-04-28 03:55:32,851 INFO L290 TraceCheckUtils]: 7: Hoare triple {1026#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1031#(= main_~z~0 0)} is VALID [2022-04-28 03:55:32,852 INFO L290 TraceCheckUtils]: 8: Hoare triple {1031#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:32,852 INFO L290 TraceCheckUtils]: 9: Hoare triple {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1065#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:32,853 INFO L290 TraceCheckUtils]: 10: Hoare triple {1065#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {1027#false} is VALID [2022-04-28 03:55:32,853 INFO L272 TraceCheckUtils]: 11: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1027#false} is VALID [2022-04-28 03:55:32,853 INFO L290 TraceCheckUtils]: 12: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2022-04-28 03:55:32,853 INFO L290 TraceCheckUtils]: 13: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2022-04-28 03:55:32,853 INFO L290 TraceCheckUtils]: 14: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2022-04-28 03:55:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:32,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:32,922 INFO L290 TraceCheckUtils]: 14: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2022-04-28 03:55:32,923 INFO L290 TraceCheckUtils]: 13: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2022-04-28 03:55:32,923 INFO L290 TraceCheckUtils]: 12: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2022-04-28 03:55:32,923 INFO L272 TraceCheckUtils]: 11: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1027#false} is VALID [2022-04-28 03:55:32,923 INFO L290 TraceCheckUtils]: 10: Hoare triple {1093#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1027#false} is VALID [2022-04-28 03:55:32,924 INFO L290 TraceCheckUtils]: 9: Hoare triple {1097#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1093#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:32,925 INFO L290 TraceCheckUtils]: 8: Hoare triple {1101#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1097#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:32,925 INFO L290 TraceCheckUtils]: 7: Hoare triple {1026#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1101#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:32,925 INFO L290 TraceCheckUtils]: 6: Hoare triple {1026#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1026#true} is VALID [2022-04-28 03:55:32,925 INFO L290 TraceCheckUtils]: 5: Hoare triple {1026#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1026#true} is VALID [2022-04-28 03:55:32,925 INFO L272 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret7 := main(); {1026#true} is VALID [2022-04-28 03:55:32,926 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 03:55:32,926 INFO L290 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 03:55:32,926 INFO L290 TraceCheckUtils]: 1: Hoare triple {1026#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 03:55:32,926 INFO L272 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2022-04-28 03:55:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:32,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576588643] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:32,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:32,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-04-28 03:55:32,927 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:32,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1285518037] [2022-04-28 03:55:32,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1285518037] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:32,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:32,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 03:55:32,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9898414] [2022-04-28 03:55:32,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:32,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-28 03:55:32,927 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:32,927 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:32,937 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:32,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 03:55:32,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:32,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 03:55:32,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-28 03:55:32,938 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:33,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:33,042 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-04-28 03:55:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-28 03:55:33,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-28 03:55:33,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 48 transitions. [2022-04-28 03:55:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 48 transitions. [2022-04-28 03:55:33,044 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 48 transitions. [2022-04-28 03:55:33,072 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:33,072 INFO L225 Difference]: With dead ends: 43 [2022-04-28 03:55:33,072 INFO L226 Difference]: Without dead ends: 26 [2022-04-28 03:55:33,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-04-28 03:55:33,073 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:33,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 28 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 03:55:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-28 03:55:33,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-04-28 03:55:33,078 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:33,079 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:33,079 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:33,079 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:33,080 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-28 03:55:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-28 03:55:33,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:33,080 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:33,080 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 26 states. [2022-04-28 03:55:33,080 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 26 states. [2022-04-28 03:55:33,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:33,081 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-28 03:55:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-28 03:55:33,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:33,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:33,082 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:33,082 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-04-28 03:55:33,082 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 15 [2022-04-28 03:55:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:33,083 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-04-28 03:55:33,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:33,083 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 25 states and 29 transitions. [2022-04-28 03:55:33,116 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 03:55:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-04-28 03:55:33,116 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:33,116 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:33,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:33,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2022-04-28 03:55:33,317 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:33,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:33,317 INFO L85 PathProgramCache]: Analyzing trace with hash -908142238, now seen corresponding path program 5 times [2022-04-28 03:55:33,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:33,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [67294573] [2022-04-28 03:55:34,082 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:34,084 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:34,086 INFO L85 PathProgramCache]: Analyzing trace with hash -160298429, now seen corresponding path program 1 times [2022-04-28 03:55:34,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:34,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076944768] [2022-04-28 03:55:34,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:34,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:34,097 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:34,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:34,107 INFO L85 PathProgramCache]: Analyzing trace with hash -908142238, now seen corresponding path program 6 times [2022-04-28 03:55:34,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:34,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137237260] [2022-04-28 03:55:34,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:34,169 INFO L290 TraceCheckUtils]: 0: Hoare triple {1332#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 03:55:34,170 INFO L290 TraceCheckUtils]: 1: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 03:55:34,170 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 03:55:34,170 INFO L272 TraceCheckUtils]: 0: Hoare triple {1323#true} call ULTIMATE.init(); {1332#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:34,170 INFO L290 TraceCheckUtils]: 1: Hoare triple {1332#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 03:55:34,171 INFO L290 TraceCheckUtils]: 2: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 03:55:34,171 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 03:55:34,171 INFO L272 TraceCheckUtils]: 4: Hoare triple {1323#true} call #t~ret7 := main(); {1323#true} is VALID [2022-04-28 03:55:34,171 INFO L290 TraceCheckUtils]: 5: Hoare triple {1323#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1323#true} is VALID [2022-04-28 03:55:34,171 INFO L290 TraceCheckUtils]: 6: Hoare triple {1323#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1323#true} is VALID [2022-04-28 03:55:34,171 INFO L290 TraceCheckUtils]: 7: Hoare triple {1323#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1328#(= main_~z~0 0)} is VALID [2022-04-28 03:55:34,172 INFO L290 TraceCheckUtils]: 8: Hoare triple {1328#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:34,172 INFO L290 TraceCheckUtils]: 9: Hoare triple {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:34,173 INFO L290 TraceCheckUtils]: 10: Hoare triple {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1331#(and (<= main_~z~0 3) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:55:34,173 INFO L290 TraceCheckUtils]: 11: Hoare triple {1331#(and (<= main_~z~0 3) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {1324#false} is VALID [2022-04-28 03:55:34,173 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1324#false} is VALID [2022-04-28 03:55:34,173 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#false} ~cond := #in~cond; {1324#false} is VALID [2022-04-28 03:55:34,173 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#false} assume 0 == ~cond; {1324#false} is VALID [2022-04-28 03:55:34,174 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2022-04-28 03:55:34,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:34,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:34,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137237260] [2022-04-28 03:55:34,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137237260] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:34,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950611142] [2022-04-28 03:55:34,174 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:55:34,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:34,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:34,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:34,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-28 03:55:34,218 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-04-28 03:55:34,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:34,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-28 03:55:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:34,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:34,386 INFO L272 TraceCheckUtils]: 0: Hoare triple {1323#true} call ULTIMATE.init(); {1323#true} is VALID [2022-04-28 03:55:34,386 INFO L290 TraceCheckUtils]: 1: Hoare triple {1323#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 03:55:34,386 INFO L290 TraceCheckUtils]: 2: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 03:55:34,386 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 03:55:34,387 INFO L272 TraceCheckUtils]: 4: Hoare triple {1323#true} call #t~ret7 := main(); {1323#true} is VALID [2022-04-28 03:55:34,387 INFO L290 TraceCheckUtils]: 5: Hoare triple {1323#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1323#true} is VALID [2022-04-28 03:55:34,387 INFO L290 TraceCheckUtils]: 6: Hoare triple {1323#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1323#true} is VALID [2022-04-28 03:55:34,388 INFO L290 TraceCheckUtils]: 7: Hoare triple {1323#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1328#(= main_~z~0 0)} is VALID [2022-04-28 03:55:34,389 INFO L290 TraceCheckUtils]: 8: Hoare triple {1328#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:34,389 INFO L290 TraceCheckUtils]: 9: Hoare triple {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:34,390 INFO L290 TraceCheckUtils]: 10: Hoare triple {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1366#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:34,391 INFO L290 TraceCheckUtils]: 11: Hoare triple {1366#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {1324#false} is VALID [2022-04-28 03:55:34,391 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1324#false} is VALID [2022-04-28 03:55:34,392 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#false} ~cond := #in~cond; {1324#false} is VALID [2022-04-28 03:55:34,392 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#false} assume 0 == ~cond; {1324#false} is VALID [2022-04-28 03:55:34,392 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2022-04-28 03:55:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:34,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:34,483 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2022-04-28 03:55:34,484 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#false} assume 0 == ~cond; {1324#false} is VALID [2022-04-28 03:55:34,484 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#false} ~cond := #in~cond; {1324#false} is VALID [2022-04-28 03:55:34,484 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1324#false} is VALID [2022-04-28 03:55:34,484 INFO L290 TraceCheckUtils]: 11: Hoare triple {1394#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1324#false} is VALID [2022-04-28 03:55:34,485 INFO L290 TraceCheckUtils]: 10: Hoare triple {1398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1394#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:34,486 INFO L290 TraceCheckUtils]: 9: Hoare triple {1402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:34,486 INFO L290 TraceCheckUtils]: 8: Hoare triple {1406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:34,487 INFO L290 TraceCheckUtils]: 7: Hoare triple {1323#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:55:34,487 INFO L290 TraceCheckUtils]: 6: Hoare triple {1323#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1323#true} is VALID [2022-04-28 03:55:34,487 INFO L290 TraceCheckUtils]: 5: Hoare triple {1323#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1323#true} is VALID [2022-04-28 03:55:34,487 INFO L272 TraceCheckUtils]: 4: Hoare triple {1323#true} call #t~ret7 := main(); {1323#true} is VALID [2022-04-28 03:55:34,487 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 03:55:34,487 INFO L290 TraceCheckUtils]: 2: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 03:55:34,487 INFO L290 TraceCheckUtils]: 1: Hoare triple {1323#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 03:55:34,487 INFO L272 TraceCheckUtils]: 0: Hoare triple {1323#true} call ULTIMATE.init(); {1323#true} is VALID [2022-04-28 03:55:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:34,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950611142] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:34,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:34,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-04-28 03:55:34,488 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:34,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [67294573] [2022-04-28 03:55:34,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [67294573] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:34,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:34,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-28 03:55:34,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029271141] [2022-04-28 03:55:34,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:34,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-04-28 03:55:34,489 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:34,489 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:34,503 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:34,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-28 03:55:34,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:34,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-28 03:55:34,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-04-28 03:55:34,504 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:34,690 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-04-28 03:55:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-28 03:55:34,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-04-28 03:55:34,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-04-28 03:55:34,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-04-28 03:55:34,692 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 49 transitions. [2022-04-28 03:55:34,738 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:34,738 INFO L225 Difference]: With dead ends: 45 [2022-04-28 03:55:34,739 INFO L226 Difference]: Without dead ends: 27 [2022-04-28 03:55:34,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-04-28 03:55:34,739 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:34,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 38 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 03:55:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-28 03:55:34,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-04-28 03:55:34,748 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:34,748 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:34,749 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:34,749 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:34,750 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-28 03:55:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 03:55:34,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:34,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:34,750 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 03:55:34,750 INFO L87 Difference]: Start difference. First operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 03:55:34,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:34,751 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-28 03:55:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 03:55:34,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:34,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:34,751 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:34,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-04-28 03:55:34,752 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 16 [2022-04-28 03:55:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:34,752 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-04-28 03:55:34,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:34,753 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 30 transitions. [2022-04-28 03:55:34,778 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-28 03:55:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-28 03:55:34,779 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:34,779 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:34,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:34,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:34,989 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:34,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1938664258, now seen corresponding path program 7 times [2022-04-28 03:55:34,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:34,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1206155119] [2022-04-28 03:55:37,584 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:37,727 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:37,729 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash -101193085, now seen corresponding path program 1 times [2022-04-28 03:55:37,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:37,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95827096] [2022-04-28 03:55:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:37,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:37,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:37,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:37,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1938664258, now seen corresponding path program 8 times [2022-04-28 03:55:37,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:37,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658209662] [2022-04-28 03:55:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:37,826 INFO L290 TraceCheckUtils]: 0: Hoare triple {1648#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 03:55:37,826 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 03:55:37,826 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 03:55:37,827 INFO L272 TraceCheckUtils]: 0: Hoare triple {1638#true} call ULTIMATE.init(); {1648#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:37,827 INFO L290 TraceCheckUtils]: 1: Hoare triple {1648#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 03:55:37,827 INFO L290 TraceCheckUtils]: 2: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 03:55:37,827 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 03:55:37,827 INFO L272 TraceCheckUtils]: 4: Hoare triple {1638#true} call #t~ret7 := main(); {1638#true} is VALID [2022-04-28 03:55:37,827 INFO L290 TraceCheckUtils]: 5: Hoare triple {1638#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1638#true} is VALID [2022-04-28 03:55:37,827 INFO L290 TraceCheckUtils]: 6: Hoare triple {1638#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1638#true} is VALID [2022-04-28 03:55:37,828 INFO L290 TraceCheckUtils]: 7: Hoare triple {1638#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1643#(= main_~z~0 0)} is VALID [2022-04-28 03:55:37,828 INFO L290 TraceCheckUtils]: 8: Hoare triple {1643#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:37,829 INFO L290 TraceCheckUtils]: 9: Hoare triple {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:37,829 INFO L290 TraceCheckUtils]: 10: Hoare triple {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:37,830 INFO L290 TraceCheckUtils]: 11: Hoare triple {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1647#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:37,830 INFO L290 TraceCheckUtils]: 12: Hoare triple {1647#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 4))} assume !(~z~0 % 4294967296 < 268435455); {1639#false} is VALID [2022-04-28 03:55:37,830 INFO L272 TraceCheckUtils]: 13: Hoare triple {1639#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1639#false} is VALID [2022-04-28 03:55:37,830 INFO L290 TraceCheckUtils]: 14: Hoare triple {1639#false} ~cond := #in~cond; {1639#false} is VALID [2022-04-28 03:55:37,831 INFO L290 TraceCheckUtils]: 15: Hoare triple {1639#false} assume 0 == ~cond; {1639#false} is VALID [2022-04-28 03:55:37,831 INFO L290 TraceCheckUtils]: 16: Hoare triple {1639#false} assume !false; {1639#false} is VALID [2022-04-28 03:55:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658209662] [2022-04-28 03:55:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658209662] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64362748] [2022-04-28 03:55:37,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:55:37,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:37,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:37,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:37,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-28 03:55:37,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:55:37,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:37,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-28 03:55:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:37,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:38,055 INFO L272 TraceCheckUtils]: 0: Hoare triple {1638#true} call ULTIMATE.init(); {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L272 TraceCheckUtils]: 4: Hoare triple {1638#true} call #t~ret7 := main(); {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L290 TraceCheckUtils]: 5: Hoare triple {1638#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L290 TraceCheckUtils]: 6: Hoare triple {1638#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1638#true} is VALID [2022-04-28 03:55:38,056 INFO L290 TraceCheckUtils]: 7: Hoare triple {1638#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1643#(= main_~z~0 0)} is VALID [2022-04-28 03:55:38,057 INFO L290 TraceCheckUtils]: 8: Hoare triple {1643#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:38,058 INFO L290 TraceCheckUtils]: 9: Hoare triple {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:38,058 INFO L290 TraceCheckUtils]: 10: Hoare triple {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:38,059 INFO L290 TraceCheckUtils]: 11: Hoare triple {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1685#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:38,059 INFO L290 TraceCheckUtils]: 12: Hoare triple {1685#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !(~z~0 % 4294967296 < 268435455); {1639#false} is VALID [2022-04-28 03:55:38,059 INFO L272 TraceCheckUtils]: 13: Hoare triple {1639#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1639#false} is VALID [2022-04-28 03:55:38,059 INFO L290 TraceCheckUtils]: 14: Hoare triple {1639#false} ~cond := #in~cond; {1639#false} is VALID [2022-04-28 03:55:38,059 INFO L290 TraceCheckUtils]: 15: Hoare triple {1639#false} assume 0 == ~cond; {1639#false} is VALID [2022-04-28 03:55:38,060 INFO L290 TraceCheckUtils]: 16: Hoare triple {1639#false} assume !false; {1639#false} is VALID [2022-04-28 03:55:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:38,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:38,161 INFO L290 TraceCheckUtils]: 16: Hoare triple {1639#false} assume !false; {1639#false} is VALID [2022-04-28 03:55:38,162 INFO L290 TraceCheckUtils]: 15: Hoare triple {1639#false} assume 0 == ~cond; {1639#false} is VALID [2022-04-28 03:55:38,162 INFO L290 TraceCheckUtils]: 14: Hoare triple {1639#false} ~cond := #in~cond; {1639#false} is VALID [2022-04-28 03:55:38,162 INFO L272 TraceCheckUtils]: 13: Hoare triple {1639#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1639#false} is VALID [2022-04-28 03:55:38,166 INFO L290 TraceCheckUtils]: 12: Hoare triple {1713#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1639#false} is VALID [2022-04-28 03:55:38,167 INFO L290 TraceCheckUtils]: 11: Hoare triple {1717#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1713#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:38,168 INFO L290 TraceCheckUtils]: 10: Hoare triple {1721#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1717#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:38,168 INFO L290 TraceCheckUtils]: 9: Hoare triple {1725#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1721#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:38,169 INFO L290 TraceCheckUtils]: 8: Hoare triple {1729#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1725#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:55:38,169 INFO L290 TraceCheckUtils]: 7: Hoare triple {1638#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1729#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:55:38,170 INFO L290 TraceCheckUtils]: 6: Hoare triple {1638#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L290 TraceCheckUtils]: 5: Hoare triple {1638#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L272 TraceCheckUtils]: 4: Hoare triple {1638#true} call #t~ret7 := main(); {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L290 TraceCheckUtils]: 2: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L272 TraceCheckUtils]: 0: Hoare triple {1638#true} call ULTIMATE.init(); {1638#true} is VALID [2022-04-28 03:55:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:38,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64362748] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:38,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:38,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-04-28 03:55:38,171 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:38,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1206155119] [2022-04-28 03:55:38,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1206155119] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:38,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:38,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-28 03:55:38,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096247227] [2022-04-28 03:55:38,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:38,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-04-28 03:55:38,172 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:38,172 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:38,194 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:38,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 03:55:38,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:38,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 03:55:38,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-04-28 03:55:38,195 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:38,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:38,397 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-04-28 03:55:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-28 03:55:38,397 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-04-28 03:55:38,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2022-04-28 03:55:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2022-04-28 03:55:38,399 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 50 transitions. [2022-04-28 03:55:38,449 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:38,450 INFO L225 Difference]: With dead ends: 47 [2022-04-28 03:55:38,450 INFO L226 Difference]: Without dead ends: 28 [2022-04-28 03:55:38,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-04-28 03:55:38,451 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:38,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 38 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 03:55:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-28 03:55:38,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-28 03:55:38,469 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:38,469 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:38,469 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:38,469 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:38,470 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-04-28 03:55:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-04-28 03:55:38,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:38,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:38,471 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 28 states. [2022-04-28 03:55:38,471 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 28 states. [2022-04-28 03:55:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:38,472 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-04-28 03:55:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-04-28 03:55:38,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:38,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:38,472 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:38,472 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-04-28 03:55:38,473 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2022-04-28 03:55:38,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:38,473 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-04-28 03:55:38,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:38,473 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 27 states and 31 transitions. [2022-04-28 03:55:38,500 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:38,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 03:55:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-28 03:55:38,500 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:38,500 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:38,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:38,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:38,715 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:38,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash -4647582, now seen corresponding path program 9 times [2022-04-28 03:55:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:38,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1728243549] [2022-04-28 03:55:40,521 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:40,662 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:40,664 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash -42087741, now seen corresponding path program 1 times [2022-04-28 03:55:40,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:40,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068343813] [2022-04-28 03:55:40,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:40,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:40,679 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:40,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash -4647582, now seen corresponding path program 10 times [2022-04-28 03:55:40,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:40,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466137392] [2022-04-28 03:55:40,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:40,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:40,786 INFO L290 TraceCheckUtils]: 0: Hoare triple {1982#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 03:55:40,786 INFO L290 TraceCheckUtils]: 1: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 03:55:40,786 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 03:55:40,786 INFO L272 TraceCheckUtils]: 0: Hoare triple {1971#true} call ULTIMATE.init(); {1982#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:40,786 INFO L290 TraceCheckUtils]: 1: Hoare triple {1982#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 03:55:40,787 INFO L290 TraceCheckUtils]: 2: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 03:55:40,787 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 03:55:40,787 INFO L272 TraceCheckUtils]: 4: Hoare triple {1971#true} call #t~ret7 := main(); {1971#true} is VALID [2022-04-28 03:55:40,787 INFO L290 TraceCheckUtils]: 5: Hoare triple {1971#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1971#true} is VALID [2022-04-28 03:55:40,787 INFO L290 TraceCheckUtils]: 6: Hoare triple {1971#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1971#true} is VALID [2022-04-28 03:55:40,787 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1976#(= main_~z~0 0)} is VALID [2022-04-28 03:55:40,788 INFO L290 TraceCheckUtils]: 8: Hoare triple {1976#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:40,788 INFO L290 TraceCheckUtils]: 9: Hoare triple {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:40,789 INFO L290 TraceCheckUtils]: 10: Hoare triple {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:40,789 INFO L290 TraceCheckUtils]: 11: Hoare triple {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:40,790 INFO L290 TraceCheckUtils]: 12: Hoare triple {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1981#(and (<= main_~z~0 5) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:55:40,790 INFO L290 TraceCheckUtils]: 13: Hoare triple {1981#(and (<= main_~z~0 5) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {1972#false} is VALID [2022-04-28 03:55:40,790 INFO L272 TraceCheckUtils]: 14: Hoare triple {1972#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1972#false} is VALID [2022-04-28 03:55:40,790 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#false} ~cond := #in~cond; {1972#false} is VALID [2022-04-28 03:55:40,790 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#false} assume 0 == ~cond; {1972#false} is VALID [2022-04-28 03:55:40,790 INFO L290 TraceCheckUtils]: 17: Hoare triple {1972#false} assume !false; {1972#false} is VALID [2022-04-28 03:55:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:40,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:40,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466137392] [2022-04-28 03:55:40,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466137392] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:40,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323371160] [2022-04-28 03:55:40,791 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:55:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:40,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:40,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-28 03:55:40,823 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:55:40,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:40,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-28 03:55:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:40,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:41,016 INFO L272 TraceCheckUtils]: 0: Hoare triple {1971#true} call ULTIMATE.init(); {1971#true} is VALID [2022-04-28 03:55:41,016 INFO L290 TraceCheckUtils]: 1: Hoare triple {1971#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 03:55:41,016 INFO L290 TraceCheckUtils]: 2: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 03:55:41,016 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 03:55:41,017 INFO L272 TraceCheckUtils]: 4: Hoare triple {1971#true} call #t~ret7 := main(); {1971#true} is VALID [2022-04-28 03:55:41,017 INFO L290 TraceCheckUtils]: 5: Hoare triple {1971#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1971#true} is VALID [2022-04-28 03:55:41,017 INFO L290 TraceCheckUtils]: 6: Hoare triple {1971#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1971#true} is VALID [2022-04-28 03:55:41,017 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1976#(= main_~z~0 0)} is VALID [2022-04-28 03:55:41,017 INFO L290 TraceCheckUtils]: 8: Hoare triple {1976#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:41,018 INFO L290 TraceCheckUtils]: 9: Hoare triple {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:41,018 INFO L290 TraceCheckUtils]: 10: Hoare triple {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:41,019 INFO L290 TraceCheckUtils]: 11: Hoare triple {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:41,019 INFO L290 TraceCheckUtils]: 12: Hoare triple {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2022#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:41,020 INFO L290 TraceCheckUtils]: 13: Hoare triple {2022#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {1972#false} is VALID [2022-04-28 03:55:41,020 INFO L272 TraceCheckUtils]: 14: Hoare triple {1972#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1972#false} is VALID [2022-04-28 03:55:41,020 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#false} ~cond := #in~cond; {1972#false} is VALID [2022-04-28 03:55:41,020 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#false} assume 0 == ~cond; {1972#false} is VALID [2022-04-28 03:55:41,020 INFO L290 TraceCheckUtils]: 17: Hoare triple {1972#false} assume !false; {1972#false} is VALID [2022-04-28 03:55:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:41,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:41,156 INFO L290 TraceCheckUtils]: 17: Hoare triple {1972#false} assume !false; {1972#false} is VALID [2022-04-28 03:55:41,156 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#false} assume 0 == ~cond; {1972#false} is VALID [2022-04-28 03:55:41,156 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#false} ~cond := #in~cond; {1972#false} is VALID [2022-04-28 03:55:41,156 INFO L272 TraceCheckUtils]: 14: Hoare triple {1972#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1972#false} is VALID [2022-04-28 03:55:41,156 INFO L290 TraceCheckUtils]: 13: Hoare triple {2050#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1972#false} is VALID [2022-04-28 03:55:41,157 INFO L290 TraceCheckUtils]: 12: Hoare triple {2054#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2050#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:41,158 INFO L290 TraceCheckUtils]: 11: Hoare triple {2058#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2054#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:41,158 INFO L290 TraceCheckUtils]: 10: Hoare triple {2062#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2058#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:41,159 INFO L290 TraceCheckUtils]: 9: Hoare triple {2066#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2062#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:55:41,160 INFO L290 TraceCheckUtils]: 8: Hoare triple {2070#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2066#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:55:41,160 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2070#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:55:41,160 INFO L290 TraceCheckUtils]: 6: Hoare triple {1971#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1971#true} is VALID [2022-04-28 03:55:41,160 INFO L290 TraceCheckUtils]: 5: Hoare triple {1971#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1971#true} is VALID [2022-04-28 03:55:41,160 INFO L272 TraceCheckUtils]: 4: Hoare triple {1971#true} call #t~ret7 := main(); {1971#true} is VALID [2022-04-28 03:55:41,160 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 03:55:41,161 INFO L290 TraceCheckUtils]: 2: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 03:55:41,161 INFO L290 TraceCheckUtils]: 1: Hoare triple {1971#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 03:55:41,161 INFO L272 TraceCheckUtils]: 0: Hoare triple {1971#true} call ULTIMATE.init(); {1971#true} is VALID [2022-04-28 03:55:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:41,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323371160] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:41,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:41,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-04-28 03:55:41,161 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:41,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1728243549] [2022-04-28 03:55:41,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1728243549] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:41,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:41,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-28 03:55:41,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602556482] [2022-04-28 03:55:41,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:41,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-04-28 03:55:41,163 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:41,163 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:41,174 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:41,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-28 03:55:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:41,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-28 03:55:41,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-04-28 03:55:41,175 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:41,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:41,451 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2022-04-28 03:55:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 03:55:41,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-04-28 03:55:41,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 51 transitions. [2022-04-28 03:55:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 51 transitions. [2022-04-28 03:55:41,453 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 51 transitions. [2022-04-28 03:55:41,487 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:41,488 INFO L225 Difference]: With dead ends: 49 [2022-04-28 03:55:41,488 INFO L226 Difference]: Without dead ends: 29 [2022-04-28 03:55:41,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-04-28 03:55:41,489 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:41,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 43 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 03:55:41,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-28 03:55:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2022-04-28 03:55:41,507 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:41,507 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:41,507 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:41,508 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:41,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:41,508 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-04-28 03:55:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-04-28 03:55:41,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:41,509 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:41,509 INFO L74 IsIncluded]: Start isIncluded. First operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 29 states. [2022-04-28 03:55:41,509 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 29 states. [2022-04-28 03:55:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:41,510 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-04-28 03:55:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-04-28 03:55:41,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:41,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:41,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:41,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-04-28 03:55:41,511 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 18 [2022-04-28 03:55:41,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:41,511 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-04-28 03:55:41,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:41,512 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2022-04-28 03:55:41,540 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-04-28 03:55:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-28 03:55:41,540 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:41,540 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:41,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:41,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2022-04-28 03:55:41,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash -117772478, now seen corresponding path program 11 times [2022-04-28 03:55:41,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:41,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [391196416] [2022-04-28 03:55:44,383 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:44,565 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:44,567 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:44,574 INFO L85 PathProgramCache]: Analyzing trace with hash 17017603, now seen corresponding path program 1 times [2022-04-28 03:55:44,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:44,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163863915] [2022-04-28 03:55:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:44,582 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:44,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -117772478, now seen corresponding path program 12 times [2022-04-28 03:55:44,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:44,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826890904] [2022-04-28 03:55:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:44,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:44,692 INFO L290 TraceCheckUtils]: 0: Hoare triple {2334#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 03:55:44,692 INFO L290 TraceCheckUtils]: 1: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 03:55:44,692 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 03:55:44,692 INFO L272 TraceCheckUtils]: 0: Hoare triple {2322#true} call ULTIMATE.init(); {2334#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:44,693 INFO L290 TraceCheckUtils]: 1: Hoare triple {2334#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 03:55:44,693 INFO L290 TraceCheckUtils]: 2: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 03:55:44,693 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 03:55:44,693 INFO L272 TraceCheckUtils]: 4: Hoare triple {2322#true} call #t~ret7 := main(); {2322#true} is VALID [2022-04-28 03:55:44,693 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2322#true} is VALID [2022-04-28 03:55:44,693 INFO L290 TraceCheckUtils]: 6: Hoare triple {2322#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2322#true} is VALID [2022-04-28 03:55:44,693 INFO L290 TraceCheckUtils]: 7: Hoare triple {2322#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2327#(= main_~z~0 0)} is VALID [2022-04-28 03:55:44,694 INFO L290 TraceCheckUtils]: 8: Hoare triple {2327#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:44,694 INFO L290 TraceCheckUtils]: 9: Hoare triple {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:44,695 INFO L290 TraceCheckUtils]: 10: Hoare triple {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:44,695 INFO L290 TraceCheckUtils]: 11: Hoare triple {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:44,696 INFO L290 TraceCheckUtils]: 12: Hoare triple {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:44,697 INFO L290 TraceCheckUtils]: 13: Hoare triple {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2333#(and (<= main_~z~0 6) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:55:44,697 INFO L290 TraceCheckUtils]: 14: Hoare triple {2333#(and (<= main_~z~0 6) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {2323#false} is VALID [2022-04-28 03:55:44,697 INFO L272 TraceCheckUtils]: 15: Hoare triple {2323#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2323#false} is VALID [2022-04-28 03:55:44,697 INFO L290 TraceCheckUtils]: 16: Hoare triple {2323#false} ~cond := #in~cond; {2323#false} is VALID [2022-04-28 03:55:44,697 INFO L290 TraceCheckUtils]: 17: Hoare triple {2323#false} assume 0 == ~cond; {2323#false} is VALID [2022-04-28 03:55:44,697 INFO L290 TraceCheckUtils]: 18: Hoare triple {2323#false} assume !false; {2323#false} is VALID [2022-04-28 03:55:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:44,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:44,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826890904] [2022-04-28 03:55:44,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826890904] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:44,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805798374] [2022-04-28 03:55:44,698 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:55:44,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:44,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:44,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-28 03:55:44,732 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-04-28 03:55:44,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:44,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-28 03:55:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:44,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:44,920 INFO L272 TraceCheckUtils]: 0: Hoare triple {2322#true} call ULTIMATE.init(); {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L290 TraceCheckUtils]: 1: Hoare triple {2322#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L290 TraceCheckUtils]: 2: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L272 TraceCheckUtils]: 4: Hoare triple {2322#true} call #t~ret7 := main(); {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L290 TraceCheckUtils]: 6: Hoare triple {2322#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2322#true} is VALID [2022-04-28 03:55:44,921 INFO L290 TraceCheckUtils]: 7: Hoare triple {2322#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2327#(= main_~z~0 0)} is VALID [2022-04-28 03:55:44,922 INFO L290 TraceCheckUtils]: 8: Hoare triple {2327#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:44,922 INFO L290 TraceCheckUtils]: 9: Hoare triple {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:44,923 INFO L290 TraceCheckUtils]: 10: Hoare triple {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:44,923 INFO L290 TraceCheckUtils]: 11: Hoare triple {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:44,924 INFO L290 TraceCheckUtils]: 12: Hoare triple {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:44,925 INFO L290 TraceCheckUtils]: 13: Hoare triple {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2377#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:44,926 INFO L290 TraceCheckUtils]: 14: Hoare triple {2377#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {2323#false} is VALID [2022-04-28 03:55:44,926 INFO L272 TraceCheckUtils]: 15: Hoare triple {2323#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2323#false} is VALID [2022-04-28 03:55:44,926 INFO L290 TraceCheckUtils]: 16: Hoare triple {2323#false} ~cond := #in~cond; {2323#false} is VALID [2022-04-28 03:55:44,927 INFO L290 TraceCheckUtils]: 17: Hoare triple {2323#false} assume 0 == ~cond; {2323#false} is VALID [2022-04-28 03:55:44,927 INFO L290 TraceCheckUtils]: 18: Hoare triple {2323#false} assume !false; {2323#false} is VALID [2022-04-28 03:55:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:44,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:45,090 INFO L290 TraceCheckUtils]: 18: Hoare triple {2323#false} assume !false; {2323#false} is VALID [2022-04-28 03:55:45,090 INFO L290 TraceCheckUtils]: 17: Hoare triple {2323#false} assume 0 == ~cond; {2323#false} is VALID [2022-04-28 03:55:45,091 INFO L290 TraceCheckUtils]: 16: Hoare triple {2323#false} ~cond := #in~cond; {2323#false} is VALID [2022-04-28 03:55:45,091 INFO L272 TraceCheckUtils]: 15: Hoare triple {2323#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2323#false} is VALID [2022-04-28 03:55:45,091 INFO L290 TraceCheckUtils]: 14: Hoare triple {2405#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {2323#false} is VALID [2022-04-28 03:55:45,092 INFO L290 TraceCheckUtils]: 13: Hoare triple {2409#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2405#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,092 INFO L290 TraceCheckUtils]: 12: Hoare triple {2413#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2409#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,093 INFO L290 TraceCheckUtils]: 11: Hoare triple {2417#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2413#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,094 INFO L290 TraceCheckUtils]: 10: Hoare triple {2421#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2417#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,108 INFO L290 TraceCheckUtils]: 9: Hoare triple {2425#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2421#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,109 INFO L290 TraceCheckUtils]: 8: Hoare triple {2429#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2425#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,109 INFO L290 TraceCheckUtils]: 7: Hoare triple {2322#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2429#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:55:45,109 INFO L290 TraceCheckUtils]: 6: Hoare triple {2322#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2322#true} is VALID [2022-04-28 03:55:45,109 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2322#true} is VALID [2022-04-28 03:55:45,109 INFO L272 TraceCheckUtils]: 4: Hoare triple {2322#true} call #t~ret7 := main(); {2322#true} is VALID [2022-04-28 03:55:45,109 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 03:55:45,109 INFO L290 TraceCheckUtils]: 2: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 03:55:45,110 INFO L290 TraceCheckUtils]: 1: Hoare triple {2322#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 03:55:45,110 INFO L272 TraceCheckUtils]: 0: Hoare triple {2322#true} call ULTIMATE.init(); {2322#true} is VALID [2022-04-28 03:55:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:45,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805798374] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:45,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:45,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2022-04-28 03:55:45,110 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:45,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [391196416] [2022-04-28 03:55:45,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [391196416] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:45,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:45,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-28 03:55:45,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767423940] [2022-04-28 03:55:45,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-04-28 03:55:45,111 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:45,111 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:45,123 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:45,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-28 03:55:45,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:45,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-28 03:55:45,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-04-28 03:55:45,124 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:45,499 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2022-04-28 03:55:45,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 03:55:45,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-04-28 03:55:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 52 transitions. [2022-04-28 03:55:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 52 transitions. [2022-04-28 03:55:45,501 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 52 transitions. [2022-04-28 03:55:45,543 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:45,544 INFO L225 Difference]: With dead ends: 51 [2022-04-28 03:55:45,544 INFO L226 Difference]: Without dead ends: 30 [2022-04-28 03:55:45,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2022-04-28 03:55:45,545 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:45,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 03:55:45,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-04-28 03:55:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-04-28 03:55:45,564 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:45,564 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:45,564 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:45,565 INFO L87 Difference]: Start difference. First operand 30 states. Second operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:45,567 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-04-28 03:55:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-04-28 03:55:45,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:45,567 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:45,567 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 30 states. [2022-04-28 03:55:45,569 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 30 states. [2022-04-28 03:55:45,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:45,571 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-04-28 03:55:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-04-28 03:55:45,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:45,571 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:45,571 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:45,571 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-04-28 03:55:45,572 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 19 [2022-04-28 03:55:45,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:45,573 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-04-28 03:55:45,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:45,574 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 29 states and 33 transitions. [2022-04-28 03:55:45,600 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-04-28 03:55:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-28 03:55:45,600 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:45,601 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:45,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:45,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2022-04-28 03:55:45,802 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:45,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:45,802 INFO L85 PathProgramCache]: Analyzing trace with hash 670323042, now seen corresponding path program 13 times [2022-04-28 03:55:45,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:45,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1847613694] [2022-04-28 03:55:48,310 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:48,463 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:48,464 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 76122947, now seen corresponding path program 1 times [2022-04-28 03:55:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:48,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003607720] [2022-04-28 03:55:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:48,474 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:48,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:48,480 INFO L85 PathProgramCache]: Analyzing trace with hash 670323042, now seen corresponding path program 14 times [2022-04-28 03:55:48,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:48,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687529548] [2022-04-28 03:55:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:48,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:48,614 INFO L290 TraceCheckUtils]: 0: Hoare triple {2704#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 03:55:48,614 INFO L290 TraceCheckUtils]: 1: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 03:55:48,614 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 03:55:48,615 INFO L272 TraceCheckUtils]: 0: Hoare triple {2691#true} call ULTIMATE.init(); {2704#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:48,615 INFO L290 TraceCheckUtils]: 1: Hoare triple {2704#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 03:55:48,615 INFO L290 TraceCheckUtils]: 2: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 03:55:48,615 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 03:55:48,615 INFO L272 TraceCheckUtils]: 4: Hoare triple {2691#true} call #t~ret7 := main(); {2691#true} is VALID [2022-04-28 03:55:48,615 INFO L290 TraceCheckUtils]: 5: Hoare triple {2691#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2691#true} is VALID [2022-04-28 03:55:48,615 INFO L290 TraceCheckUtils]: 6: Hoare triple {2691#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2691#true} is VALID [2022-04-28 03:55:48,618 INFO L290 TraceCheckUtils]: 7: Hoare triple {2691#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2696#(= main_~z~0 0)} is VALID [2022-04-28 03:55:48,619 INFO L290 TraceCheckUtils]: 8: Hoare triple {2696#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:48,619 INFO L290 TraceCheckUtils]: 9: Hoare triple {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:48,620 INFO L290 TraceCheckUtils]: 10: Hoare triple {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:48,621 INFO L290 TraceCheckUtils]: 11: Hoare triple {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:48,621 INFO L290 TraceCheckUtils]: 12: Hoare triple {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:48,622 INFO L290 TraceCheckUtils]: 13: Hoare triple {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:48,622 INFO L290 TraceCheckUtils]: 14: Hoare triple {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2703#(and (<= main_~z~0 7) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:55:48,623 INFO L290 TraceCheckUtils]: 15: Hoare triple {2703#(and (<= main_~z~0 7) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {2692#false} is VALID [2022-04-28 03:55:48,623 INFO L272 TraceCheckUtils]: 16: Hoare triple {2692#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2692#false} is VALID [2022-04-28 03:55:48,623 INFO L290 TraceCheckUtils]: 17: Hoare triple {2692#false} ~cond := #in~cond; {2692#false} is VALID [2022-04-28 03:55:48,623 INFO L290 TraceCheckUtils]: 18: Hoare triple {2692#false} assume 0 == ~cond; {2692#false} is VALID [2022-04-28 03:55:48,623 INFO L290 TraceCheckUtils]: 19: Hoare triple {2692#false} assume !false; {2692#false} is VALID [2022-04-28 03:55:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:48,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:48,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687529548] [2022-04-28 03:55:48,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687529548] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:48,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230450327] [2022-04-28 03:55:48,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:55:48,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:48,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:48,625 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:48,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-28 03:55:48,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:55:48,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:48,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjunts are in the unsatisfiable core [2022-04-28 03:55:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:48,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:48,856 INFO L272 TraceCheckUtils]: 0: Hoare triple {2691#true} call ULTIMATE.init(); {2691#true} is VALID [2022-04-28 03:55:48,856 INFO L290 TraceCheckUtils]: 1: Hoare triple {2691#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 03:55:48,856 INFO L290 TraceCheckUtils]: 2: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 03:55:48,856 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 03:55:48,856 INFO L272 TraceCheckUtils]: 4: Hoare triple {2691#true} call #t~ret7 := main(); {2691#true} is VALID [2022-04-28 03:55:48,856 INFO L290 TraceCheckUtils]: 5: Hoare triple {2691#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2691#true} is VALID [2022-04-28 03:55:48,856 INFO L290 TraceCheckUtils]: 6: Hoare triple {2691#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2691#true} is VALID [2022-04-28 03:55:48,857 INFO L290 TraceCheckUtils]: 7: Hoare triple {2691#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2696#(= main_~z~0 0)} is VALID [2022-04-28 03:55:48,857 INFO L290 TraceCheckUtils]: 8: Hoare triple {2696#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:48,860 INFO L290 TraceCheckUtils]: 9: Hoare triple {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:48,861 INFO L290 TraceCheckUtils]: 10: Hoare triple {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:48,861 INFO L290 TraceCheckUtils]: 11: Hoare triple {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:48,862 INFO L290 TraceCheckUtils]: 12: Hoare triple {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:48,862 INFO L290 TraceCheckUtils]: 13: Hoare triple {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:48,863 INFO L290 TraceCheckUtils]: 14: Hoare triple {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2750#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:48,864 INFO L290 TraceCheckUtils]: 15: Hoare triple {2750#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {2692#false} is VALID [2022-04-28 03:55:48,864 INFO L272 TraceCheckUtils]: 16: Hoare triple {2692#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2692#false} is VALID [2022-04-28 03:55:48,864 INFO L290 TraceCheckUtils]: 17: Hoare triple {2692#false} ~cond := #in~cond; {2692#false} is VALID [2022-04-28 03:55:48,864 INFO L290 TraceCheckUtils]: 18: Hoare triple {2692#false} assume 0 == ~cond; {2692#false} is VALID [2022-04-28 03:55:48,864 INFO L290 TraceCheckUtils]: 19: Hoare triple {2692#false} assume !false; {2692#false} is VALID [2022-04-28 03:55:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:48,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:49,029 INFO L290 TraceCheckUtils]: 19: Hoare triple {2692#false} assume !false; {2692#false} is VALID [2022-04-28 03:55:49,029 INFO L290 TraceCheckUtils]: 18: Hoare triple {2692#false} assume 0 == ~cond; {2692#false} is VALID [2022-04-28 03:55:49,029 INFO L290 TraceCheckUtils]: 17: Hoare triple {2692#false} ~cond := #in~cond; {2692#false} is VALID [2022-04-28 03:55:49,029 INFO L272 TraceCheckUtils]: 16: Hoare triple {2692#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2692#false} is VALID [2022-04-28 03:55:49,029 INFO L290 TraceCheckUtils]: 15: Hoare triple {2778#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {2692#false} is VALID [2022-04-28 03:55:49,030 INFO L290 TraceCheckUtils]: 14: Hoare triple {2782#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2778#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,031 INFO L290 TraceCheckUtils]: 13: Hoare triple {2786#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2782#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,031 INFO L290 TraceCheckUtils]: 12: Hoare triple {2790#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2786#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,032 INFO L290 TraceCheckUtils]: 11: Hoare triple {2794#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2790#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,032 INFO L290 TraceCheckUtils]: 10: Hoare triple {2798#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2794#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,034 INFO L290 TraceCheckUtils]: 9: Hoare triple {2802#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2798#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,034 INFO L290 TraceCheckUtils]: 8: Hoare triple {2806#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2802#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,035 INFO L290 TraceCheckUtils]: 7: Hoare triple {2691#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2806#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:55:49,035 INFO L290 TraceCheckUtils]: 6: Hoare triple {2691#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L290 TraceCheckUtils]: 5: Hoare triple {2691#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L272 TraceCheckUtils]: 4: Hoare triple {2691#true} call #t~ret7 := main(); {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L290 TraceCheckUtils]: 2: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L290 TraceCheckUtils]: 1: Hoare triple {2691#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L272 TraceCheckUtils]: 0: Hoare triple {2691#true} call ULTIMATE.init(); {2691#true} is VALID [2022-04-28 03:55:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:49,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230450327] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:49,036 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:49,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 20 [2022-04-28 03:55:49,036 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:49,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1847613694] [2022-04-28 03:55:49,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1847613694] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:49,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:49,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-28 03:55:49,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471856655] [2022-04-28 03:55:49,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:49,037 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-04-28 03:55:49,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:49,037 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:49,049 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:49,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-28 03:55:49,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:49,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-28 03:55:49,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2022-04-28 03:55:49,049 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:49,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:49,387 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2022-04-28 03:55:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-28 03:55:49,387 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-04-28 03:55:49,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 53 transitions. [2022-04-28 03:55:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 53 transitions. [2022-04-28 03:55:49,389 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 53 transitions. [2022-04-28 03:55:49,426 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:49,427 INFO L225 Difference]: With dead ends: 53 [2022-04-28 03:55:49,427 INFO L226 Difference]: Without dead ends: 31 [2022-04-28 03:55:49,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2022-04-28 03:55:49,429 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:49,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 48 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 03:55:49,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-04-28 03:55:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-04-28 03:55:49,443 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:49,443 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:49,443 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:49,443 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:49,444 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-28 03:55:49,444 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-04-28 03:55:49,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:49,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:49,445 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 31 states. [2022-04-28 03:55:49,445 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 31 states. [2022-04-28 03:55:49,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:49,446 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-28 03:55:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-04-28 03:55:49,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:49,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:49,446 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:49,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-04-28 03:55:49,447 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 20 [2022-04-28 03:55:49,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:49,447 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-04-28 03:55:49,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:49,447 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 30 states and 34 transitions. [2022-04-28 03:55:49,478 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-04-28 03:55:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-28 03:55:49,478 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:49,478 INFO L195 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:49,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:49,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:49,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:49,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:49,695 INFO L85 PathProgramCache]: Analyzing trace with hash -668519614, now seen corresponding path program 15 times [2022-04-28 03:55:49,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:49,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1564265846] [2022-04-28 03:55:50,261 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:50,262 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:50,268 INFO L85 PathProgramCache]: Analyzing trace with hash 135228291, now seen corresponding path program 1 times [2022-04-28 03:55:50,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:50,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997911808] [2022-04-28 03:55:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:50,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:50,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:50,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash -668519614, now seen corresponding path program 16 times [2022-04-28 03:55:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:50,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486053230] [2022-04-28 03:55:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:50,428 INFO L290 TraceCheckUtils]: 0: Hoare triple {3092#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 03:55:50,428 INFO L290 TraceCheckUtils]: 1: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 03:55:50,429 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 03:55:50,429 INFO L272 TraceCheckUtils]: 0: Hoare triple {3078#true} call ULTIMATE.init(); {3092#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:50,429 INFO L290 TraceCheckUtils]: 1: Hoare triple {3092#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 03:55:50,429 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 03:55:50,429 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 03:55:50,429 INFO L272 TraceCheckUtils]: 4: Hoare triple {3078#true} call #t~ret7 := main(); {3078#true} is VALID [2022-04-28 03:55:50,430 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3078#true} is VALID [2022-04-28 03:55:50,430 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3078#true} is VALID [2022-04-28 03:55:50,430 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3083#(= main_~z~0 0)} is VALID [2022-04-28 03:55:50,430 INFO L290 TraceCheckUtils]: 8: Hoare triple {3083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:50,431 INFO L290 TraceCheckUtils]: 9: Hoare triple {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:50,431 INFO L290 TraceCheckUtils]: 10: Hoare triple {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:50,432 INFO L290 TraceCheckUtils]: 11: Hoare triple {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:50,432 INFO L290 TraceCheckUtils]: 12: Hoare triple {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:50,433 INFO L290 TraceCheckUtils]: 13: Hoare triple {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:50,433 INFO L290 TraceCheckUtils]: 14: Hoare triple {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:50,434 INFO L290 TraceCheckUtils]: 15: Hoare triple {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3091#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:50,435 INFO L290 TraceCheckUtils]: 16: Hoare triple {3091#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 8))} assume !(~z~0 % 4294967296 < 268435455); {3079#false} is VALID [2022-04-28 03:55:50,435 INFO L272 TraceCheckUtils]: 17: Hoare triple {3079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3079#false} is VALID [2022-04-28 03:55:50,435 INFO L290 TraceCheckUtils]: 18: Hoare triple {3079#false} ~cond := #in~cond; {3079#false} is VALID [2022-04-28 03:55:50,435 INFO L290 TraceCheckUtils]: 19: Hoare triple {3079#false} assume 0 == ~cond; {3079#false} is VALID [2022-04-28 03:55:50,435 INFO L290 TraceCheckUtils]: 20: Hoare triple {3079#false} assume !false; {3079#false} is VALID [2022-04-28 03:55:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:50,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:50,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486053230] [2022-04-28 03:55:50,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486053230] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:50,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278873282] [2022-04-28 03:55:50,436 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:55:50,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:50,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:50,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:50,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-28 03:55:50,480 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:55:50,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:50,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjunts are in the unsatisfiable core [2022-04-28 03:55:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:50,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:50,709 INFO L272 TraceCheckUtils]: 0: Hoare triple {3078#true} call ULTIMATE.init(); {3078#true} is VALID [2022-04-28 03:55:50,709 INFO L290 TraceCheckUtils]: 1: Hoare triple {3078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 03:55:50,710 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 03:55:50,710 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 03:55:50,710 INFO L272 TraceCheckUtils]: 4: Hoare triple {3078#true} call #t~ret7 := main(); {3078#true} is VALID [2022-04-28 03:55:50,710 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3078#true} is VALID [2022-04-28 03:55:50,710 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3078#true} is VALID [2022-04-28 03:55:50,710 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3083#(= main_~z~0 0)} is VALID [2022-04-28 03:55:50,711 INFO L290 TraceCheckUtils]: 8: Hoare triple {3083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:50,711 INFO L290 TraceCheckUtils]: 9: Hoare triple {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:50,712 INFO L290 TraceCheckUtils]: 10: Hoare triple {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:50,712 INFO L290 TraceCheckUtils]: 11: Hoare triple {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:50,713 INFO L290 TraceCheckUtils]: 12: Hoare triple {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:50,713 INFO L290 TraceCheckUtils]: 13: Hoare triple {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:50,714 INFO L290 TraceCheckUtils]: 14: Hoare triple {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:50,714 INFO L290 TraceCheckUtils]: 15: Hoare triple {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:50,714 INFO L290 TraceCheckUtils]: 16: Hoare triple {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !(~z~0 % 4294967296 < 268435455); {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:50,715 INFO L272 TraceCheckUtils]: 17: Hoare triple {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:55:50,715 INFO L290 TraceCheckUtils]: 18: Hoare triple {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3152#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:55:50,716 INFO L290 TraceCheckUtils]: 19: Hoare triple {3152#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {3079#false} is VALID [2022-04-28 03:55:50,716 INFO L290 TraceCheckUtils]: 20: Hoare triple {3079#false} assume !false; {3079#false} is VALID [2022-04-28 03:55:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:50,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:50,854 INFO L290 TraceCheckUtils]: 20: Hoare triple {3079#false} assume !false; {3079#false} is VALID [2022-04-28 03:55:50,855 INFO L290 TraceCheckUtils]: 19: Hoare triple {3152#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {3079#false} is VALID [2022-04-28 03:55:50,855 INFO L290 TraceCheckUtils]: 18: Hoare triple {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3152#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:55:50,856 INFO L272 TraceCheckUtils]: 17: Hoare triple {3168#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:55:50,856 INFO L290 TraceCheckUtils]: 16: Hoare triple {3168#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:55:50,857 INFO L290 TraceCheckUtils]: 15: Hoare triple {3175#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:55:50,857 INFO L290 TraceCheckUtils]: 14: Hoare triple {3179#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3175#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:55:50,859 INFO L290 TraceCheckUtils]: 13: Hoare triple {3183#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3179#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:55:50,861 INFO L290 TraceCheckUtils]: 12: Hoare triple {3168#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3183#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:55:50,861 INFO L290 TraceCheckUtils]: 11: Hoare triple {3175#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:55:50,862 INFO L290 TraceCheckUtils]: 10: Hoare triple {3179#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3175#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:55:50,862 INFO L290 TraceCheckUtils]: 9: Hoare triple {3183#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3179#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:55:50,863 INFO L290 TraceCheckUtils]: 8: Hoare triple {3168#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3183#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:55:50,863 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:55:50,863 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L272 TraceCheckUtils]: 4: Hoare triple {3078#true} call #t~ret7 := main(); {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L290 TraceCheckUtils]: 1: Hoare triple {3078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L272 TraceCheckUtils]: 0: Hoare triple {3078#true} call ULTIMATE.init(); {3078#true} is VALID [2022-04-28 03:55:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-28 03:55:50,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278873282] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:50,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:50,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 8] total 19 [2022-04-28 03:55:50,865 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:50,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1564265846] [2022-04-28 03:55:50,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1564265846] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:50,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:50,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-28 03:55:50,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988298943] [2022-04-28 03:55:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:50,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-04-28 03:55:50,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:50,865 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:50,882 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:50,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-28 03:55:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:50,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-28 03:55:50,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2022-04-28 03:55:50,883 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:51,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:51,357 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2022-04-28 03:55:51,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-28 03:55:51,357 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-04-28 03:55:51,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2022-04-28 03:55:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2022-04-28 03:55:51,359 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 54 transitions. [2022-04-28 03:55:51,400 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:51,401 INFO L225 Difference]: With dead ends: 55 [2022-04-28 03:55:51,401 INFO L226 Difference]: Without dead ends: 32 [2022-04-28 03:55:51,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2022-04-28 03:55:51,402 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:51,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 03:55:51,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-28 03:55:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2022-04-28 03:55:51,418 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:51,418 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:51,418 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:51,418 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:51,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:51,420 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-04-28 03:55:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 03:55:51,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:51,420 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:51,420 INFO L74 IsIncluded]: Start isIncluded. First operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-04-28 03:55:51,421 INFO L87 Difference]: Start difference. First operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-04-28 03:55:51,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:51,422 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-04-28 03:55:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 03:55:51,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:51,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:51,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:51,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-04-28 03:55:51,423 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 21 [2022-04-28 03:55:51,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:51,424 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-04-28 03:55:51,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:51,424 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 31 states and 35 transitions. [2022-04-28 03:55:51,456 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-04-28 03:55:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-28 03:55:51,456 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:51,456 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:51,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:51,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:51,665 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:51,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:51,665 INFO L85 PathProgramCache]: Analyzing trace with hash 777031010, now seen corresponding path program 17 times [2022-04-28 03:55:51,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:51,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1522777446] [2022-04-28 03:55:52,781 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:55:52,933 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:52,934 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 194333635, now seen corresponding path program 1 times [2022-04-28 03:55:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:52,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162121398] [2022-04-28 03:55:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:52,949 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:52,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 777031010, now seen corresponding path program 18 times [2022-04-28 03:55:52,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:52,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786711747] [2022-04-28 03:55:52,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:53,096 INFO L290 TraceCheckUtils]: 0: Hoare triple {3495#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 03:55:53,096 INFO L290 TraceCheckUtils]: 1: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 03:55:53,096 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L272 TraceCheckUtils]: 0: Hoare triple {3480#true} call ULTIMATE.init(); {3495#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:53,097 INFO L290 TraceCheckUtils]: 1: Hoare triple {3495#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L290 TraceCheckUtils]: 2: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L272 TraceCheckUtils]: 4: Hoare triple {3480#true} call #t~ret7 := main(); {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L290 TraceCheckUtils]: 5: Hoare triple {3480#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L290 TraceCheckUtils]: 6: Hoare triple {3480#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3480#true} is VALID [2022-04-28 03:55:53,097 INFO L290 TraceCheckUtils]: 7: Hoare triple {3480#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3485#(= main_~z~0 0)} is VALID [2022-04-28 03:55:53,098 INFO L290 TraceCheckUtils]: 8: Hoare triple {3485#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:53,098 INFO L290 TraceCheckUtils]: 9: Hoare triple {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:53,099 INFO L290 TraceCheckUtils]: 10: Hoare triple {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:53,099 INFO L290 TraceCheckUtils]: 11: Hoare triple {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:53,100 INFO L290 TraceCheckUtils]: 12: Hoare triple {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:53,100 INFO L290 TraceCheckUtils]: 13: Hoare triple {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:53,101 INFO L290 TraceCheckUtils]: 14: Hoare triple {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:53,101 INFO L290 TraceCheckUtils]: 15: Hoare triple {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:53,102 INFO L290 TraceCheckUtils]: 16: Hoare triple {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3494#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 9))} is VALID [2022-04-28 03:55:53,102 INFO L290 TraceCheckUtils]: 17: Hoare triple {3494#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 9))} assume !(~z~0 % 4294967296 < 268435455); {3481#false} is VALID [2022-04-28 03:55:53,102 INFO L272 TraceCheckUtils]: 18: Hoare triple {3481#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3481#false} is VALID [2022-04-28 03:55:53,102 INFO L290 TraceCheckUtils]: 19: Hoare triple {3481#false} ~cond := #in~cond; {3481#false} is VALID [2022-04-28 03:55:53,102 INFO L290 TraceCheckUtils]: 20: Hoare triple {3481#false} assume 0 == ~cond; {3481#false} is VALID [2022-04-28 03:55:53,102 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#false} assume !false; {3481#false} is VALID [2022-04-28 03:55:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:53,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:53,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786711747] [2022-04-28 03:55:53,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786711747] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:53,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545600362] [2022-04-28 03:55:53,103 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:55:53,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:53,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:53,104 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:53,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-28 03:55:53,142 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-04-28 03:55:53,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:53,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 24 conjunts are in the unsatisfiable core [2022-04-28 03:55:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:53,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:53,278 INFO L272 TraceCheckUtils]: 0: Hoare triple {3480#true} call ULTIMATE.init(); {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L290 TraceCheckUtils]: 1: Hoare triple {3480#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L290 TraceCheckUtils]: 2: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L272 TraceCheckUtils]: 4: Hoare triple {3480#true} call #t~ret7 := main(); {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L290 TraceCheckUtils]: 5: Hoare triple {3480#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L290 TraceCheckUtils]: 6: Hoare triple {3480#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3480#true} is VALID [2022-04-28 03:55:53,279 INFO L290 TraceCheckUtils]: 7: Hoare triple {3480#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3485#(= main_~z~0 0)} is VALID [2022-04-28 03:55:53,280 INFO L290 TraceCheckUtils]: 8: Hoare triple {3485#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:53,280 INFO L290 TraceCheckUtils]: 9: Hoare triple {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:53,281 INFO L290 TraceCheckUtils]: 10: Hoare triple {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:53,281 INFO L290 TraceCheckUtils]: 11: Hoare triple {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:53,282 INFO L290 TraceCheckUtils]: 12: Hoare triple {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:53,282 INFO L290 TraceCheckUtils]: 13: Hoare triple {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:53,282 INFO L290 TraceCheckUtils]: 14: Hoare triple {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:53,283 INFO L290 TraceCheckUtils]: 15: Hoare triple {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:53,283 INFO L290 TraceCheckUtils]: 16: Hoare triple {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3547#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:55:53,284 INFO L290 TraceCheckUtils]: 17: Hoare triple {3547#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !(~z~0 % 4294967296 < 268435455); {3481#false} is VALID [2022-04-28 03:55:53,284 INFO L272 TraceCheckUtils]: 18: Hoare triple {3481#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3481#false} is VALID [2022-04-28 03:55:53,284 INFO L290 TraceCheckUtils]: 19: Hoare triple {3481#false} ~cond := #in~cond; {3481#false} is VALID [2022-04-28 03:55:53,284 INFO L290 TraceCheckUtils]: 20: Hoare triple {3481#false} assume 0 == ~cond; {3481#false} is VALID [2022-04-28 03:55:53,284 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#false} assume !false; {3481#false} is VALID [2022-04-28 03:55:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:53,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:53,741 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#false} assume !false; {3481#false} is VALID [2022-04-28 03:55:53,741 INFO L290 TraceCheckUtils]: 20: Hoare triple {3566#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {3481#false} is VALID [2022-04-28 03:55:53,742 INFO L290 TraceCheckUtils]: 19: Hoare triple {3570#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3566#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 03:55:53,742 INFO L272 TraceCheckUtils]: 18: Hoare triple {3574#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3570#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:55:53,742 INFO L290 TraceCheckUtils]: 17: Hoare triple {3578#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {3574#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:55:53,743 INFO L290 TraceCheckUtils]: 16: Hoare triple {3582#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3578#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:55:53,744 INFO L290 TraceCheckUtils]: 15: Hoare triple {3586#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3582#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:55:53,745 INFO L290 TraceCheckUtils]: 14: Hoare triple {3590#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3586#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 03:55:53,749 INFO L290 TraceCheckUtils]: 13: Hoare triple {3594#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3590#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:55:53,753 INFO L290 TraceCheckUtils]: 12: Hoare triple {3598#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3594#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 03:55:53,754 INFO L290 TraceCheckUtils]: 11: Hoare triple {3602#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3598#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:55:53,755 INFO L290 TraceCheckUtils]: 10: Hoare triple {3606#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3602#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 03:55:53,757 INFO L290 TraceCheckUtils]: 9: Hoare triple {3610#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3606#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:55:53,758 INFO L290 TraceCheckUtils]: 8: Hoare triple {3614#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3610#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:55:53,758 INFO L290 TraceCheckUtils]: 7: Hoare triple {3480#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3614#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 03:55:53,758 INFO L290 TraceCheckUtils]: 6: Hoare triple {3480#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3480#true} is VALID [2022-04-28 03:55:53,758 INFO L290 TraceCheckUtils]: 5: Hoare triple {3480#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3480#true} is VALID [2022-04-28 03:55:53,758 INFO L272 TraceCheckUtils]: 4: Hoare triple {3480#true} call #t~ret7 := main(); {3480#true} is VALID [2022-04-28 03:55:53,758 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 03:55:53,758 INFO L290 TraceCheckUtils]: 2: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 03:55:53,758 INFO L290 TraceCheckUtils]: 1: Hoare triple {3480#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 03:55:53,759 INFO L272 TraceCheckUtils]: 0: Hoare triple {3480#true} call ULTIMATE.init(); {3480#true} is VALID [2022-04-28 03:55:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:53,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545600362] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:53,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:53,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15] total 27 [2022-04-28 03:55:53,759 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:53,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1522777446] [2022-04-28 03:55:53,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1522777446] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:53,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:53,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-28 03:55:53,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557734617] [2022-04-28 03:55:53,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:53,760 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-04-28 03:55:53,760 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:53,760 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:53,781 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:53,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-28 03:55:53,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:53,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-28 03:55:53,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-04-28 03:55:53,782 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:54,269 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2022-04-28 03:55:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-28 03:55:54,270 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-04-28 03:55:54,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 55 transitions. [2022-04-28 03:55:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 55 transitions. [2022-04-28 03:55:54,271 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 55 transitions. [2022-04-28 03:55:54,313 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:54,314 INFO L225 Difference]: With dead ends: 57 [2022-04-28 03:55:54,314 INFO L226 Difference]: Without dead ends: 33 [2022-04-28 03:55:54,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2022-04-28 03:55:54,315 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:54,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 63 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 03:55:54,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-28 03:55:54,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-04-28 03:55:54,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:54,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:54,338 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:54,338 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:54,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:54,339 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-04-28 03:55:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-28 03:55:54,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:54,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:54,340 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 33 states. [2022-04-28 03:55:54,340 INFO L87 Difference]: Start difference. First operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 33 states. [2022-04-28 03:55:54,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:54,340 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-04-28 03:55:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-28 03:55:54,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:54,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:54,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:54,341 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-04-28 03:55:54,342 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 22 [2022-04-28 03:55:54,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:54,342 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-04-28 03:55:54,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:54,342 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 36 transitions. [2022-04-28 03:55:54,376 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 03:55:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-28 03:55:54,376 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:54,376 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:54,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:54,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:54,591 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:54,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1655539902, now seen corresponding path program 19 times [2022-04-28 03:55:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:54,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1229788381] [2022-04-28 03:55:56,981 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:55:56,983 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:55:56,984 INFO L85 PathProgramCache]: Analyzing trace with hash 253438979, now seen corresponding path program 1 times [2022-04-28 03:55:56,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:56,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262870329] [2022-04-28 03:55:56,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:56,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:56,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:55:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:55:56,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:55:56,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1655539902, now seen corresponding path program 20 times [2022-04-28 03:55:56,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:55:56,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078062301] [2022-04-28 03:55:56,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:55:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:55:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:55:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:57,160 INFO L290 TraceCheckUtils]: 0: Hoare triple {3922#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 03:55:57,161 INFO L290 TraceCheckUtils]: 1: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 03:55:57,161 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 03:55:57,161 INFO L272 TraceCheckUtils]: 0: Hoare triple {3906#true} call ULTIMATE.init(); {3922#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:55:57,161 INFO L290 TraceCheckUtils]: 1: Hoare triple {3922#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 03:55:57,161 INFO L290 TraceCheckUtils]: 2: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 03:55:57,162 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 03:55:57,162 INFO L272 TraceCheckUtils]: 4: Hoare triple {3906#true} call #t~ret7 := main(); {3906#true} is VALID [2022-04-28 03:55:57,162 INFO L290 TraceCheckUtils]: 5: Hoare triple {3906#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3906#true} is VALID [2022-04-28 03:55:57,162 INFO L290 TraceCheckUtils]: 6: Hoare triple {3906#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3906#true} is VALID [2022-04-28 03:55:57,162 INFO L290 TraceCheckUtils]: 7: Hoare triple {3906#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3911#(= main_~z~0 0)} is VALID [2022-04-28 03:55:57,162 INFO L290 TraceCheckUtils]: 8: Hoare triple {3911#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:57,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:57,163 INFO L290 TraceCheckUtils]: 10: Hoare triple {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:57,164 INFO L290 TraceCheckUtils]: 11: Hoare triple {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:57,164 INFO L290 TraceCheckUtils]: 12: Hoare triple {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:57,165 INFO L290 TraceCheckUtils]: 13: Hoare triple {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:57,165 INFO L290 TraceCheckUtils]: 14: Hoare triple {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:57,166 INFO L290 TraceCheckUtils]: 15: Hoare triple {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:57,166 INFO L290 TraceCheckUtils]: 16: Hoare triple {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:55:57,167 INFO L290 TraceCheckUtils]: 17: Hoare triple {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3921#(and (<= main_~z~0 10) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:55:57,167 INFO L290 TraceCheckUtils]: 18: Hoare triple {3921#(and (<= main_~z~0 10) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {3907#false} is VALID [2022-04-28 03:55:57,168 INFO L272 TraceCheckUtils]: 19: Hoare triple {3907#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3907#false} is VALID [2022-04-28 03:55:57,168 INFO L290 TraceCheckUtils]: 20: Hoare triple {3907#false} ~cond := #in~cond; {3907#false} is VALID [2022-04-28 03:55:57,168 INFO L290 TraceCheckUtils]: 21: Hoare triple {3907#false} assume 0 == ~cond; {3907#false} is VALID [2022-04-28 03:55:57,168 INFO L290 TraceCheckUtils]: 22: Hoare triple {3907#false} assume !false; {3907#false} is VALID [2022-04-28 03:55:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:57,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:55:57,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078062301] [2022-04-28 03:55:57,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078062301] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:55:57,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948357833] [2022-04-28 03:55:57,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:55:57,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:55:57,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:55:57,169 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:55:57,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-28 03:55:57,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:55:57,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:55:57,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-28 03:55:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:55:57,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:55:57,411 INFO L272 TraceCheckUtils]: 0: Hoare triple {3906#true} call ULTIMATE.init(); {3906#true} is VALID [2022-04-28 03:55:57,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {3906#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 03:55:57,411 INFO L290 TraceCheckUtils]: 2: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 03:55:57,411 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 03:55:57,411 INFO L272 TraceCheckUtils]: 4: Hoare triple {3906#true} call #t~ret7 := main(); {3906#true} is VALID [2022-04-28 03:55:57,411 INFO L290 TraceCheckUtils]: 5: Hoare triple {3906#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3906#true} is VALID [2022-04-28 03:55:57,411 INFO L290 TraceCheckUtils]: 6: Hoare triple {3906#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3906#true} is VALID [2022-04-28 03:55:57,412 INFO L290 TraceCheckUtils]: 7: Hoare triple {3906#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3911#(= main_~z~0 0)} is VALID [2022-04-28 03:55:57,412 INFO L290 TraceCheckUtils]: 8: Hoare triple {3911#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:55:57,412 INFO L290 TraceCheckUtils]: 9: Hoare triple {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:55:57,413 INFO L290 TraceCheckUtils]: 10: Hoare triple {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:55:57,413 INFO L290 TraceCheckUtils]: 11: Hoare triple {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:55:57,414 INFO L290 TraceCheckUtils]: 12: Hoare triple {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:55:57,414 INFO L290 TraceCheckUtils]: 13: Hoare triple {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:55:57,415 INFO L290 TraceCheckUtils]: 14: Hoare triple {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:55:57,416 INFO L290 TraceCheckUtils]: 15: Hoare triple {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:55:57,416 INFO L290 TraceCheckUtils]: 16: Hoare triple {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:55:57,416 INFO L290 TraceCheckUtils]: 17: Hoare triple {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3977#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:55:57,417 INFO L290 TraceCheckUtils]: 18: Hoare triple {3977#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {3907#false} is VALID [2022-04-28 03:55:57,417 INFO L272 TraceCheckUtils]: 19: Hoare triple {3907#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3907#false} is VALID [2022-04-28 03:55:57,417 INFO L290 TraceCheckUtils]: 20: Hoare triple {3907#false} ~cond := #in~cond; {3907#false} is VALID [2022-04-28 03:55:57,417 INFO L290 TraceCheckUtils]: 21: Hoare triple {3907#false} assume 0 == ~cond; {3907#false} is VALID [2022-04-28 03:55:57,417 INFO L290 TraceCheckUtils]: 22: Hoare triple {3907#false} assume !false; {3907#false} is VALID [2022-04-28 03:55:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:57,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:55:57,730 INFO L290 TraceCheckUtils]: 22: Hoare triple {3907#false} assume !false; {3907#false} is VALID [2022-04-28 03:55:57,730 INFO L290 TraceCheckUtils]: 21: Hoare triple {3907#false} assume 0 == ~cond; {3907#false} is VALID [2022-04-28 03:55:57,730 INFO L290 TraceCheckUtils]: 20: Hoare triple {3907#false} ~cond := #in~cond; {3907#false} is VALID [2022-04-28 03:55:57,730 INFO L272 TraceCheckUtils]: 19: Hoare triple {3907#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3907#false} is VALID [2022-04-28 03:55:57,731 INFO L290 TraceCheckUtils]: 18: Hoare triple {4005#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {3907#false} is VALID [2022-04-28 03:55:57,731 INFO L290 TraceCheckUtils]: 17: Hoare triple {4009#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4005#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,732 INFO L290 TraceCheckUtils]: 16: Hoare triple {4013#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4009#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,733 INFO L290 TraceCheckUtils]: 15: Hoare triple {4017#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4013#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,736 INFO L290 TraceCheckUtils]: 14: Hoare triple {4021#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4017#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,738 INFO L290 TraceCheckUtils]: 13: Hoare triple {4025#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4021#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,739 INFO L290 TraceCheckUtils]: 12: Hoare triple {4029#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4025#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,739 INFO L290 TraceCheckUtils]: 11: Hoare triple {4033#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4029#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,740 INFO L290 TraceCheckUtils]: 10: Hoare triple {4037#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4033#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,741 INFO L290 TraceCheckUtils]: 9: Hoare triple {4041#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4037#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,741 INFO L290 TraceCheckUtils]: 8: Hoare triple {4045#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4041#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,742 INFO L290 TraceCheckUtils]: 7: Hoare triple {3906#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4045#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:55:57,742 INFO L290 TraceCheckUtils]: 6: Hoare triple {3906#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3906#true} is VALID [2022-04-28 03:55:57,742 INFO L290 TraceCheckUtils]: 5: Hoare triple {3906#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3906#true} is VALID [2022-04-28 03:55:57,742 INFO L272 TraceCheckUtils]: 4: Hoare triple {3906#true} call #t~ret7 := main(); {3906#true} is VALID [2022-04-28 03:55:57,742 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 03:55:57,742 INFO L290 TraceCheckUtils]: 2: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 03:55:57,742 INFO L290 TraceCheckUtils]: 1: Hoare triple {3906#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 03:55:57,742 INFO L272 TraceCheckUtils]: 0: Hoare triple {3906#true} call ULTIMATE.init(); {3906#true} is VALID [2022-04-28 03:55:57,743 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:55:57,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948357833] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:55:57,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:55:57,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 26 [2022-04-28 03:55:57,743 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:55:57,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1229788381] [2022-04-28 03:55:57,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1229788381] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:55:57,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:55:57,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-28 03:55:57,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349950448] [2022-04-28 03:55:57,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:55:57,744 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-04-28 03:55:57,744 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:55:57,744 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:57,760 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:57,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-28 03:55:57,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:57,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-28 03:55:57,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-04-28 03:55:57,761 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:58,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:58,243 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2022-04-28 03:55:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-28 03:55:58,243 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-04-28 03:55:58,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:55:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:58,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 56 transitions. [2022-04-28 03:55:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 56 transitions. [2022-04-28 03:55:58,245 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 56 transitions. [2022-04-28 03:55:58,283 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:58,287 INFO L225 Difference]: With dead ends: 59 [2022-04-28 03:55:58,287 INFO L226 Difference]: Without dead ends: 34 [2022-04-28 03:55:58,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=377, Invalid=955, Unknown=0, NotChecked=0, Total=1332 [2022-04-28 03:55:58,288 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:55:58,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 48 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 03:55:58,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-28 03:55:58,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-04-28 03:55:58,308 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:55:58,309 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:58,309 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:58,309 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:58,310 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-04-28 03:55:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-04-28 03:55:58,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:58,310 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:58,310 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 34 states. [2022-04-28 03:55:58,310 INFO L87 Difference]: Start difference. First operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 34 states. [2022-04-28 03:55:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:55:58,311 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-04-28 03:55:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-04-28 03:55:58,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:55:58,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:55:58,311 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:55:58,311 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:55:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:55:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-04-28 03:55:58,312 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 23 [2022-04-28 03:55:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:55:58,312 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-04-28 03:55:58,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:55:58,312 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 33 states and 37 transitions. [2022-04-28 03:55:58,358 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:55:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-28 03:55:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-28 03:55:58,359 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:55:58,359 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:55:58,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-28 03:55:58,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2022-04-28 03:55:58,560 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:55:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:55:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash 244173154, now seen corresponding path program 21 times [2022-04-28 03:55:58,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:55:58,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1948962967] [2022-04-28 03:56:00,493 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:00,615 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:00,616 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 312544323, now seen corresponding path program 1 times [2022-04-28 03:56:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:00,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313369061] [2022-04-28 03:56:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:00,625 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:00,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:00,630 INFO L85 PathProgramCache]: Analyzing trace with hash 244173154, now seen corresponding path program 22 times [2022-04-28 03:56:00,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:00,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052942083] [2022-04-28 03:56:00,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:00,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:00,787 INFO L290 TraceCheckUtils]: 0: Hoare triple {4364#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 03:56:00,787 INFO L290 TraceCheckUtils]: 1: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 03:56:00,787 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 03:56:00,788 INFO L272 TraceCheckUtils]: 0: Hoare triple {4347#true} call ULTIMATE.init(); {4364#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:00,788 INFO L290 TraceCheckUtils]: 1: Hoare triple {4364#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 03:56:00,788 INFO L290 TraceCheckUtils]: 2: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 03:56:00,788 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 03:56:00,788 INFO L272 TraceCheckUtils]: 4: Hoare triple {4347#true} call #t~ret7 := main(); {4347#true} is VALID [2022-04-28 03:56:00,788 INFO L290 TraceCheckUtils]: 5: Hoare triple {4347#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4347#true} is VALID [2022-04-28 03:56:00,788 INFO L290 TraceCheckUtils]: 6: Hoare triple {4347#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4347#true} is VALID [2022-04-28 03:56:00,789 INFO L290 TraceCheckUtils]: 7: Hoare triple {4347#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4352#(= main_~z~0 0)} is VALID [2022-04-28 03:56:00,789 INFO L290 TraceCheckUtils]: 8: Hoare triple {4352#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:00,789 INFO L290 TraceCheckUtils]: 9: Hoare triple {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:00,790 INFO L290 TraceCheckUtils]: 10: Hoare triple {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:00,790 INFO L290 TraceCheckUtils]: 11: Hoare triple {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:00,791 INFO L290 TraceCheckUtils]: 12: Hoare triple {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:00,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:00,792 INFO L290 TraceCheckUtils]: 14: Hoare triple {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:00,792 INFO L290 TraceCheckUtils]: 15: Hoare triple {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:00,793 INFO L290 TraceCheckUtils]: 16: Hoare triple {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:00,793 INFO L290 TraceCheckUtils]: 17: Hoare triple {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:00,794 INFO L290 TraceCheckUtils]: 18: Hoare triple {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4363#(and (<= main_~z~0 11) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:00,794 INFO L290 TraceCheckUtils]: 19: Hoare triple {4363#(and (<= main_~z~0 11) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {4348#false} is VALID [2022-04-28 03:56:00,794 INFO L272 TraceCheckUtils]: 20: Hoare triple {4348#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4348#false} is VALID [2022-04-28 03:56:00,795 INFO L290 TraceCheckUtils]: 21: Hoare triple {4348#false} ~cond := #in~cond; {4348#false} is VALID [2022-04-28 03:56:00,795 INFO L290 TraceCheckUtils]: 22: Hoare triple {4348#false} assume 0 == ~cond; {4348#false} is VALID [2022-04-28 03:56:00,795 INFO L290 TraceCheckUtils]: 23: Hoare triple {4348#false} assume !false; {4348#false} is VALID [2022-04-28 03:56:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:00,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:00,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052942083] [2022-04-28 03:56:00,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052942083] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:00,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408757613] [2022-04-28 03:56:00,795 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:56:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:00,796 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:00,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-28 03:56:00,833 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:56:00,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:00,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-28 03:56:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:00,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:01,066 INFO L272 TraceCheckUtils]: 0: Hoare triple {4347#true} call ULTIMATE.init(); {4347#true} is VALID [2022-04-28 03:56:01,066 INFO L290 TraceCheckUtils]: 1: Hoare triple {4347#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 03:56:01,066 INFO L290 TraceCheckUtils]: 2: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 03:56:01,066 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 03:56:01,066 INFO L272 TraceCheckUtils]: 4: Hoare triple {4347#true} call #t~ret7 := main(); {4347#true} is VALID [2022-04-28 03:56:01,066 INFO L290 TraceCheckUtils]: 5: Hoare triple {4347#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4347#true} is VALID [2022-04-28 03:56:01,066 INFO L290 TraceCheckUtils]: 6: Hoare triple {4347#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4347#true} is VALID [2022-04-28 03:56:01,067 INFO L290 TraceCheckUtils]: 7: Hoare triple {4347#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4352#(= main_~z~0 0)} is VALID [2022-04-28 03:56:01,067 INFO L290 TraceCheckUtils]: 8: Hoare triple {4352#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:01,068 INFO L290 TraceCheckUtils]: 9: Hoare triple {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:01,069 INFO L290 TraceCheckUtils]: 10: Hoare triple {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:01,069 INFO L290 TraceCheckUtils]: 11: Hoare triple {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:01,070 INFO L290 TraceCheckUtils]: 12: Hoare triple {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:01,070 INFO L290 TraceCheckUtils]: 13: Hoare triple {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:01,071 INFO L290 TraceCheckUtils]: 14: Hoare triple {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:01,071 INFO L290 TraceCheckUtils]: 15: Hoare triple {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:01,072 INFO L290 TraceCheckUtils]: 16: Hoare triple {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:01,072 INFO L290 TraceCheckUtils]: 17: Hoare triple {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:01,073 INFO L290 TraceCheckUtils]: 18: Hoare triple {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4422#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:01,073 INFO L290 TraceCheckUtils]: 19: Hoare triple {4422#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {4348#false} is VALID [2022-04-28 03:56:01,074 INFO L272 TraceCheckUtils]: 20: Hoare triple {4348#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4348#false} is VALID [2022-04-28 03:56:01,074 INFO L290 TraceCheckUtils]: 21: Hoare triple {4348#false} ~cond := #in~cond; {4348#false} is VALID [2022-04-28 03:56:01,074 INFO L290 TraceCheckUtils]: 22: Hoare triple {4348#false} assume 0 == ~cond; {4348#false} is VALID [2022-04-28 03:56:01,074 INFO L290 TraceCheckUtils]: 23: Hoare triple {4348#false} assume !false; {4348#false} is VALID [2022-04-28 03:56:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:01,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:01,364 INFO L290 TraceCheckUtils]: 23: Hoare triple {4348#false} assume !false; {4348#false} is VALID [2022-04-28 03:56:01,364 INFO L290 TraceCheckUtils]: 22: Hoare triple {4348#false} assume 0 == ~cond; {4348#false} is VALID [2022-04-28 03:56:01,365 INFO L290 TraceCheckUtils]: 21: Hoare triple {4348#false} ~cond := #in~cond; {4348#false} is VALID [2022-04-28 03:56:01,365 INFO L272 TraceCheckUtils]: 20: Hoare triple {4348#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4348#false} is VALID [2022-04-28 03:56:01,365 INFO L290 TraceCheckUtils]: 19: Hoare triple {4450#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {4348#false} is VALID [2022-04-28 03:56:01,365 INFO L290 TraceCheckUtils]: 18: Hoare triple {4454#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4450#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {4458#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4454#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,367 INFO L290 TraceCheckUtils]: 16: Hoare triple {4462#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4458#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,367 INFO L290 TraceCheckUtils]: 15: Hoare triple {4466#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4462#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,368 INFO L290 TraceCheckUtils]: 14: Hoare triple {4470#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4466#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,369 INFO L290 TraceCheckUtils]: 13: Hoare triple {4474#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4470#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,369 INFO L290 TraceCheckUtils]: 12: Hoare triple {4478#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4474#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,370 INFO L290 TraceCheckUtils]: 11: Hoare triple {4482#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4478#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,370 INFO L290 TraceCheckUtils]: 10: Hoare triple {4486#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4482#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,371 INFO L290 TraceCheckUtils]: 9: Hoare triple {4490#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4486#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,371 INFO L290 TraceCheckUtils]: 8: Hoare triple {4494#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4490#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,372 INFO L290 TraceCheckUtils]: 7: Hoare triple {4347#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4494#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:01,372 INFO L290 TraceCheckUtils]: 6: Hoare triple {4347#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4347#true} is VALID [2022-04-28 03:56:01,372 INFO L290 TraceCheckUtils]: 5: Hoare triple {4347#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4347#true} is VALID [2022-04-28 03:56:01,372 INFO L272 TraceCheckUtils]: 4: Hoare triple {4347#true} call #t~ret7 := main(); {4347#true} is VALID [2022-04-28 03:56:01,372 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 03:56:01,372 INFO L290 TraceCheckUtils]: 2: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 03:56:01,372 INFO L290 TraceCheckUtils]: 1: Hoare triple {4347#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 03:56:01,372 INFO L272 TraceCheckUtils]: 0: Hoare triple {4347#true} call ULTIMATE.init(); {4347#true} is VALID [2022-04-28 03:56:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:01,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408757613] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:01,373 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:01,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 28 [2022-04-28 03:56:01,373 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:01,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1948962967] [2022-04-28 03:56:01,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1948962967] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:01,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:01,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-28 03:56:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771430570] [2022-04-28 03:56:01,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:01,374 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-04-28 03:56:01,374 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:01,374 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:01,387 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:01,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-28 03:56:01,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:01,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-28 03:56:01,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2022-04-28 03:56:01,388 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:01,962 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2022-04-28 03:56:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-28 03:56:01,963 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-04-28 03:56:01,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 57 transitions. [2022-04-28 03:56:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 57 transitions. [2022-04-28 03:56:01,964 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 57 transitions. [2022-04-28 03:56:02,000 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:02,001 INFO L225 Difference]: With dead ends: 61 [2022-04-28 03:56:02,001 INFO L226 Difference]: Without dead ends: 35 [2022-04-28 03:56:02,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=435, Invalid=1125, Unknown=0, NotChecked=0, Total=1560 [2022-04-28 03:56:02,002 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:02,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 63 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 03:56:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-28 03:56:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-04-28 03:56:02,023 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:02,023 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:02,023 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:02,024 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:02,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:02,024 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-04-28 03:56:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-04-28 03:56:02,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:02,025 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:02,025 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 35 states. [2022-04-28 03:56:02,025 INFO L87 Difference]: Start difference. First operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 35 states. [2022-04-28 03:56:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:02,025 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-04-28 03:56:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-04-28 03:56:02,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:02,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:02,026 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:02,026 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-04-28 03:56:02,027 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 24 [2022-04-28 03:56:02,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:02,027 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-04-28 03:56:02,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:02,027 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 38 transitions. [2022-04-28 03:56:02,059 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-04-28 03:56:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-28 03:56:02,059 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:02,059 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:02,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-04-28 03:56:02,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2022-04-28 03:56:02,260 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:02,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash -994264254, now seen corresponding path program 23 times [2022-04-28 03:56:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:02,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1653593757] [2022-04-28 03:56:02,777 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:02,779 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:02,780 INFO L85 PathProgramCache]: Analyzing trace with hash 371649667, now seen corresponding path program 1 times [2022-04-28 03:56:02,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:02,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800933564] [2022-04-28 03:56:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:02,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:02,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:02,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash -994264254, now seen corresponding path program 24 times [2022-04-28 03:56:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:02,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358374159] [2022-04-28 03:56:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:02,996 INFO L290 TraceCheckUtils]: 0: Hoare triple {4824#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 03:56:02,997 INFO L290 TraceCheckUtils]: 1: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 03:56:02,997 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 03:56:02,997 INFO L272 TraceCheckUtils]: 0: Hoare triple {4806#true} call ULTIMATE.init(); {4824#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:02,997 INFO L290 TraceCheckUtils]: 1: Hoare triple {4824#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 03:56:02,998 INFO L290 TraceCheckUtils]: 2: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 03:56:02,998 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 03:56:02,998 INFO L272 TraceCheckUtils]: 4: Hoare triple {4806#true} call #t~ret7 := main(); {4806#true} is VALID [2022-04-28 03:56:02,998 INFO L290 TraceCheckUtils]: 5: Hoare triple {4806#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4806#true} is VALID [2022-04-28 03:56:02,998 INFO L290 TraceCheckUtils]: 6: Hoare triple {4806#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4806#true} is VALID [2022-04-28 03:56:02,998 INFO L290 TraceCheckUtils]: 7: Hoare triple {4806#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4811#(= main_~z~0 0)} is VALID [2022-04-28 03:56:02,998 INFO L290 TraceCheckUtils]: 8: Hoare triple {4811#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:02,999 INFO L290 TraceCheckUtils]: 9: Hoare triple {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:03,000 INFO L290 TraceCheckUtils]: 10: Hoare triple {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:03,000 INFO L290 TraceCheckUtils]: 11: Hoare triple {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:03,001 INFO L290 TraceCheckUtils]: 12: Hoare triple {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:03,002 INFO L290 TraceCheckUtils]: 13: Hoare triple {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:03,002 INFO L290 TraceCheckUtils]: 14: Hoare triple {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:03,003 INFO L290 TraceCheckUtils]: 15: Hoare triple {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:03,003 INFO L290 TraceCheckUtils]: 16: Hoare triple {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:03,004 INFO L290 TraceCheckUtils]: 17: Hoare triple {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:03,004 INFO L290 TraceCheckUtils]: 18: Hoare triple {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:03,005 INFO L290 TraceCheckUtils]: 19: Hoare triple {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4823#(and (<= main_~z~0 12) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:03,005 INFO L290 TraceCheckUtils]: 20: Hoare triple {4823#(and (<= main_~z~0 12) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {4807#false} is VALID [2022-04-28 03:56:03,005 INFO L272 TraceCheckUtils]: 21: Hoare triple {4807#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4807#false} is VALID [2022-04-28 03:56:03,006 INFO L290 TraceCheckUtils]: 22: Hoare triple {4807#false} ~cond := #in~cond; {4807#false} is VALID [2022-04-28 03:56:03,006 INFO L290 TraceCheckUtils]: 23: Hoare triple {4807#false} assume 0 == ~cond; {4807#false} is VALID [2022-04-28 03:56:03,006 INFO L290 TraceCheckUtils]: 24: Hoare triple {4807#false} assume !false; {4807#false} is VALID [2022-04-28 03:56:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:03,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:03,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358374159] [2022-04-28 03:56:03,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358374159] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:03,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729494499] [2022-04-28 03:56:03,006 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:56:03,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:03,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:03,024 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:03,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-28 03:56:03,088 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-04-28 03:56:03,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:03,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-04-28 03:56:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:03,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:03,336 INFO L272 TraceCheckUtils]: 0: Hoare triple {4806#true} call ULTIMATE.init(); {4806#true} is VALID [2022-04-28 03:56:03,336 INFO L290 TraceCheckUtils]: 1: Hoare triple {4806#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 03:56:03,336 INFO L290 TraceCheckUtils]: 2: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 03:56:03,336 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 03:56:03,337 INFO L272 TraceCheckUtils]: 4: Hoare triple {4806#true} call #t~ret7 := main(); {4806#true} is VALID [2022-04-28 03:56:03,337 INFO L290 TraceCheckUtils]: 5: Hoare triple {4806#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4806#true} is VALID [2022-04-28 03:56:03,337 INFO L290 TraceCheckUtils]: 6: Hoare triple {4806#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4806#true} is VALID [2022-04-28 03:56:03,337 INFO L290 TraceCheckUtils]: 7: Hoare triple {4806#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4811#(= main_~z~0 0)} is VALID [2022-04-28 03:56:03,337 INFO L290 TraceCheckUtils]: 8: Hoare triple {4811#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:03,338 INFO L290 TraceCheckUtils]: 9: Hoare triple {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:03,338 INFO L290 TraceCheckUtils]: 10: Hoare triple {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:03,339 INFO L290 TraceCheckUtils]: 11: Hoare triple {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:03,339 INFO L290 TraceCheckUtils]: 12: Hoare triple {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:03,340 INFO L290 TraceCheckUtils]: 13: Hoare triple {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:03,340 INFO L290 TraceCheckUtils]: 14: Hoare triple {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:03,341 INFO L290 TraceCheckUtils]: 15: Hoare triple {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:03,341 INFO L290 TraceCheckUtils]: 16: Hoare triple {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:03,342 INFO L290 TraceCheckUtils]: 17: Hoare triple {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:03,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:03,343 INFO L290 TraceCheckUtils]: 19: Hoare triple {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4885#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:03,343 INFO L290 TraceCheckUtils]: 20: Hoare triple {4885#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {4807#false} is VALID [2022-04-28 03:56:03,343 INFO L272 TraceCheckUtils]: 21: Hoare triple {4807#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4807#false} is VALID [2022-04-28 03:56:03,343 INFO L290 TraceCheckUtils]: 22: Hoare triple {4807#false} ~cond := #in~cond; {4807#false} is VALID [2022-04-28 03:56:03,343 INFO L290 TraceCheckUtils]: 23: Hoare triple {4807#false} assume 0 == ~cond; {4807#false} is VALID [2022-04-28 03:56:03,343 INFO L290 TraceCheckUtils]: 24: Hoare triple {4807#false} assume !false; {4807#false} is VALID [2022-04-28 03:56:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:03,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:03,710 INFO L290 TraceCheckUtils]: 24: Hoare triple {4807#false} assume !false; {4807#false} is VALID [2022-04-28 03:56:03,710 INFO L290 TraceCheckUtils]: 23: Hoare triple {4807#false} assume 0 == ~cond; {4807#false} is VALID [2022-04-28 03:56:03,710 INFO L290 TraceCheckUtils]: 22: Hoare triple {4807#false} ~cond := #in~cond; {4807#false} is VALID [2022-04-28 03:56:03,711 INFO L272 TraceCheckUtils]: 21: Hoare triple {4807#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4807#false} is VALID [2022-04-28 03:56:03,711 INFO L290 TraceCheckUtils]: 20: Hoare triple {4913#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {4807#false} is VALID [2022-04-28 03:56:03,712 INFO L290 TraceCheckUtils]: 19: Hoare triple {4917#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4913#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,712 INFO L290 TraceCheckUtils]: 18: Hoare triple {4921#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4917#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,713 INFO L290 TraceCheckUtils]: 17: Hoare triple {4925#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4921#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,713 INFO L290 TraceCheckUtils]: 16: Hoare triple {4929#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4925#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,714 INFO L290 TraceCheckUtils]: 15: Hoare triple {4933#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4929#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,716 INFO L290 TraceCheckUtils]: 14: Hoare triple {4937#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4933#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,717 INFO L290 TraceCheckUtils]: 13: Hoare triple {4941#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4937#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,717 INFO L290 TraceCheckUtils]: 12: Hoare triple {4945#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4941#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,718 INFO L290 TraceCheckUtils]: 11: Hoare triple {4949#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4945#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,719 INFO L290 TraceCheckUtils]: 10: Hoare triple {4953#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4949#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,719 INFO L290 TraceCheckUtils]: 9: Hoare triple {4957#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4953#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,720 INFO L290 TraceCheckUtils]: 8: Hoare triple {4961#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4957#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,720 INFO L290 TraceCheckUtils]: 7: Hoare triple {4806#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4961#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:03,720 INFO L290 TraceCheckUtils]: 6: Hoare triple {4806#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4806#true} is VALID [2022-04-28 03:56:03,720 INFO L290 TraceCheckUtils]: 5: Hoare triple {4806#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4806#true} is VALID [2022-04-28 03:56:03,720 INFO L272 TraceCheckUtils]: 4: Hoare triple {4806#true} call #t~ret7 := main(); {4806#true} is VALID [2022-04-28 03:56:03,721 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 03:56:03,721 INFO L290 TraceCheckUtils]: 2: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 03:56:03,721 INFO L290 TraceCheckUtils]: 1: Hoare triple {4806#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 03:56:03,721 INFO L272 TraceCheckUtils]: 0: Hoare triple {4806#true} call ULTIMATE.init(); {4806#true} is VALID [2022-04-28 03:56:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:03,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729494499] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:03,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:03,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 30 [2022-04-28 03:56:03,722 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:03,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1653593757] [2022-04-28 03:56:03,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1653593757] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:03,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:03,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-28 03:56:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600485911] [2022-04-28 03:56:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:03,722 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-28 03:56:03,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:03,722 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:03,764 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:03,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-28 03:56:03,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-28 03:56:03,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2022-04-28 03:56:03,765 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:04,330 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2022-04-28 03:56:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-28 03:56:04,330 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-28 03:56:04,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 58 transitions. [2022-04-28 03:56:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 58 transitions. [2022-04-28 03:56:04,332 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 58 transitions. [2022-04-28 03:56:04,368 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:04,369 INFO L225 Difference]: With dead ends: 63 [2022-04-28 03:56:04,369 INFO L226 Difference]: Without dead ends: 36 [2022-04-28 03:56:04,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1309, Unknown=0, NotChecked=0, Total=1806 [2022-04-28 03:56:04,370 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:04,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 53 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 03:56:04,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-04-28 03:56:04,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2022-04-28 03:56:04,389 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:04,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:04,389 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:04,390 INFO L87 Difference]: Start difference. First operand 36 states. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:04,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:04,390 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-04-28 03:56:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-04-28 03:56:04,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:04,391 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:04,391 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 36 states. [2022-04-28 03:56:04,391 INFO L87 Difference]: Start difference. First operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 36 states. [2022-04-28 03:56:04,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:04,391 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-04-28 03:56:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-04-28 03:56:04,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:04,392 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:04,392 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:04,392 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2022-04-28 03:56:04,393 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 25 [2022-04-28 03:56:04,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:04,393 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2022-04-28 03:56:04,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:04,393 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 39 transitions. [2022-04-28 03:56:04,428 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-04-28 03:56:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-28 03:56:04,429 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:04,429 INFO L195 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:04,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:04,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2022-04-28 03:56:04,629 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash -731118238, now seen corresponding path program 25 times [2022-04-28 03:56:04,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:04,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [164403629] [2022-04-28 03:56:05,358 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:05,359 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash 430755011, now seen corresponding path program 1 times [2022-04-28 03:56:05,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:05,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518775458] [2022-04-28 03:56:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:05,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:05,368 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:05,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:05,372 INFO L85 PathProgramCache]: Analyzing trace with hash -731118238, now seen corresponding path program 26 times [2022-04-28 03:56:05,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:05,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198069218] [2022-04-28 03:56:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:05,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:05,606 INFO L290 TraceCheckUtils]: 0: Hoare triple {5302#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L290 TraceCheckUtils]: 1: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L272 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5302#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:05,607 INFO L290 TraceCheckUtils]: 1: Hoare triple {5302#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L290 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L272 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2022-04-28 03:56:05,607 INFO L290 TraceCheckUtils]: 5: Hoare triple {5283#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5283#true} is VALID [2022-04-28 03:56:05,608 INFO L290 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5283#true} is VALID [2022-04-28 03:56:05,608 INFO L290 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5288#(= main_~z~0 0)} is VALID [2022-04-28 03:56:05,608 INFO L290 TraceCheckUtils]: 8: Hoare triple {5288#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:05,609 INFO L290 TraceCheckUtils]: 9: Hoare triple {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:05,609 INFO L290 TraceCheckUtils]: 10: Hoare triple {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:05,610 INFO L290 TraceCheckUtils]: 11: Hoare triple {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:05,610 INFO L290 TraceCheckUtils]: 12: Hoare triple {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:05,611 INFO L290 TraceCheckUtils]: 13: Hoare triple {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:05,611 INFO L290 TraceCheckUtils]: 14: Hoare triple {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:05,612 INFO L290 TraceCheckUtils]: 15: Hoare triple {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:05,612 INFO L290 TraceCheckUtils]: 16: Hoare triple {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:05,613 INFO L290 TraceCheckUtils]: 17: Hoare triple {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:05,613 INFO L290 TraceCheckUtils]: 18: Hoare triple {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:05,614 INFO L290 TraceCheckUtils]: 19: Hoare triple {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:05,614 INFO L290 TraceCheckUtils]: 20: Hoare triple {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5301#(and (<= main_~z~0 13) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:05,615 INFO L290 TraceCheckUtils]: 21: Hoare triple {5301#(and (<= main_~z~0 13) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {5284#false} is VALID [2022-04-28 03:56:05,615 INFO L272 TraceCheckUtils]: 22: Hoare triple {5284#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5284#false} is VALID [2022-04-28 03:56:05,615 INFO L290 TraceCheckUtils]: 23: Hoare triple {5284#false} ~cond := #in~cond; {5284#false} is VALID [2022-04-28 03:56:05,615 INFO L290 TraceCheckUtils]: 24: Hoare triple {5284#false} assume 0 == ~cond; {5284#false} is VALID [2022-04-28 03:56:05,615 INFO L290 TraceCheckUtils]: 25: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2022-04-28 03:56:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:05,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:05,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198069218] [2022-04-28 03:56:05,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198069218] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:05,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146708261] [2022-04-28 03:56:05,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:56:05,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:05,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:05,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:05,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-28 03:56:05,653 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:56:05,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:05,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 29 conjunts are in the unsatisfiable core [2022-04-28 03:56:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:05,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:05,884 INFO L272 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5283#true} is VALID [2022-04-28 03:56:05,884 INFO L290 TraceCheckUtils]: 1: Hoare triple {5283#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 03:56:05,884 INFO L290 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 03:56:05,884 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 03:56:05,884 INFO L272 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2022-04-28 03:56:05,885 INFO L290 TraceCheckUtils]: 5: Hoare triple {5283#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5283#true} is VALID [2022-04-28 03:56:05,885 INFO L290 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5283#true} is VALID [2022-04-28 03:56:05,895 INFO L290 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5288#(= main_~z~0 0)} is VALID [2022-04-28 03:56:05,896 INFO L290 TraceCheckUtils]: 8: Hoare triple {5288#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:05,896 INFO L290 TraceCheckUtils]: 9: Hoare triple {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:05,897 INFO L290 TraceCheckUtils]: 10: Hoare triple {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:05,897 INFO L290 TraceCheckUtils]: 11: Hoare triple {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:05,898 INFO L290 TraceCheckUtils]: 12: Hoare triple {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:05,898 INFO L290 TraceCheckUtils]: 13: Hoare triple {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:05,899 INFO L290 TraceCheckUtils]: 14: Hoare triple {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:05,899 INFO L290 TraceCheckUtils]: 15: Hoare triple {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:05,900 INFO L290 TraceCheckUtils]: 16: Hoare triple {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:05,900 INFO L290 TraceCheckUtils]: 17: Hoare triple {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:05,901 INFO L290 TraceCheckUtils]: 18: Hoare triple {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:05,901 INFO L290 TraceCheckUtils]: 19: Hoare triple {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:05,902 INFO L290 TraceCheckUtils]: 20: Hoare triple {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5366#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:05,902 INFO L290 TraceCheckUtils]: 21: Hoare triple {5366#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !(~z~0 % 4294967296 < 268435455); {5284#false} is VALID [2022-04-28 03:56:05,902 INFO L272 TraceCheckUtils]: 22: Hoare triple {5284#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5284#false} is VALID [2022-04-28 03:56:05,902 INFO L290 TraceCheckUtils]: 23: Hoare triple {5284#false} ~cond := #in~cond; {5284#false} is VALID [2022-04-28 03:56:05,903 INFO L290 TraceCheckUtils]: 24: Hoare triple {5284#false} assume 0 == ~cond; {5284#false} is VALID [2022-04-28 03:56:05,903 INFO L290 TraceCheckUtils]: 25: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2022-04-28 03:56:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:05,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:06,279 INFO L290 TraceCheckUtils]: 25: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2022-04-28 03:56:06,280 INFO L290 TraceCheckUtils]: 24: Hoare triple {5284#false} assume 0 == ~cond; {5284#false} is VALID [2022-04-28 03:56:06,280 INFO L290 TraceCheckUtils]: 23: Hoare triple {5284#false} ~cond := #in~cond; {5284#false} is VALID [2022-04-28 03:56:06,280 INFO L272 TraceCheckUtils]: 22: Hoare triple {5284#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5284#false} is VALID [2022-04-28 03:56:06,280 INFO L290 TraceCheckUtils]: 21: Hoare triple {5394#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {5284#false} is VALID [2022-04-28 03:56:06,281 INFO L290 TraceCheckUtils]: 20: Hoare triple {5398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5394#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,281 INFO L290 TraceCheckUtils]: 19: Hoare triple {5402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,282 INFO L290 TraceCheckUtils]: 18: Hoare triple {5406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,283 INFO L290 TraceCheckUtils]: 17: Hoare triple {5410#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,285 INFO L290 TraceCheckUtils]: 16: Hoare triple {5414#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5410#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,285 INFO L290 TraceCheckUtils]: 15: Hoare triple {5418#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5414#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,286 INFO L290 TraceCheckUtils]: 14: Hoare triple {5422#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5418#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,286 INFO L290 TraceCheckUtils]: 13: Hoare triple {5426#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5422#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,287 INFO L290 TraceCheckUtils]: 12: Hoare triple {5430#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5426#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,288 INFO L290 TraceCheckUtils]: 11: Hoare triple {5434#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5430#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,289 INFO L290 TraceCheckUtils]: 10: Hoare triple {5438#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5434#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,289 INFO L290 TraceCheckUtils]: 9: Hoare triple {5442#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5438#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,290 INFO L290 TraceCheckUtils]: 8: Hoare triple {5446#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5442#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,290 INFO L290 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5446#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:06,290 INFO L290 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5283#true} is VALID [2022-04-28 03:56:06,290 INFO L290 TraceCheckUtils]: 5: Hoare triple {5283#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5283#true} is VALID [2022-04-28 03:56:06,291 INFO L272 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2022-04-28 03:56:06,291 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 03:56:06,291 INFO L290 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 03:56:06,291 INFO L290 TraceCheckUtils]: 1: Hoare triple {5283#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 03:56:06,291 INFO L272 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5283#true} is VALID [2022-04-28 03:56:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:06,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146708261] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:06,291 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:06,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 32 [2022-04-28 03:56:06,292 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:06,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [164403629] [2022-04-28 03:56:06,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [164403629] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:06,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:06,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-28 03:56:06,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956747451] [2022-04-28 03:56:06,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:06,292 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-04-28 03:56:06,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:06,292 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:06,307 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:06,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-28 03:56:06,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:06,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-28 03:56:06,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=707, Unknown=0, NotChecked=0, Total=992 [2022-04-28 03:56:06,308 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:06,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:06,877 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2022-04-28 03:56:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-28 03:56:06,878 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-04-28 03:56:06,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 59 transitions. [2022-04-28 03:56:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 59 transitions. [2022-04-28 03:56:06,879 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 59 transitions. [2022-04-28 03:56:06,916 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:06,917 INFO L225 Difference]: With dead ends: 65 [2022-04-28 03:56:06,917 INFO L226 Difference]: Without dead ends: 37 [2022-04-28 03:56:06,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=563, Invalid=1507, Unknown=0, NotChecked=0, Total=2070 [2022-04-28 03:56:06,918 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:06,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 03:56:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-04-28 03:56:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-04-28 03:56:06,940 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:06,940 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:06,940 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:06,940 INFO L87 Difference]: Start difference. First operand 37 states. Second operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:06,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:06,941 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-04-28 03:56:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-04-28 03:56:06,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:06,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:06,942 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 37 states. [2022-04-28 03:56:06,942 INFO L87 Difference]: Start difference. First operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 37 states. [2022-04-28 03:56:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:06,942 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-04-28 03:56:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-04-28 03:56:06,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:06,942 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:06,943 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:06,943 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-04-28 03:56:06,943 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 26 [2022-04-28 03:56:06,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:06,943 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-04-28 03:56:06,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:06,944 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 36 states and 40 transitions. [2022-04-28 03:56:06,984 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:06,984 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-04-28 03:56:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-28 03:56:06,984 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:06,984 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:07,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:07,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-04-28 03:56:07,195 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1163526334, now seen corresponding path program 27 times [2022-04-28 03:56:07,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:07,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [336294173] [2022-04-28 03:56:09,626 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:09,776 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:09,777 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:09,779 INFO L85 PathProgramCache]: Analyzing trace with hash 489860355, now seen corresponding path program 1 times [2022-04-28 03:56:09,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:09,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979281751] [2022-04-28 03:56:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:09,786 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:09,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:09,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1163526334, now seen corresponding path program 28 times [2022-04-28 03:56:09,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:09,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841630008] [2022-04-28 03:56:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:09,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:10,002 INFO L290 TraceCheckUtils]: 0: Hoare triple {5798#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 03:56:10,002 INFO L290 TraceCheckUtils]: 1: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 03:56:10,002 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L272 TraceCheckUtils]: 0: Hoare triple {5778#true} call ULTIMATE.init(); {5798#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:10,003 INFO L290 TraceCheckUtils]: 1: Hoare triple {5798#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L290 TraceCheckUtils]: 2: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L272 TraceCheckUtils]: 4: Hoare triple {5778#true} call #t~ret7 := main(); {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L290 TraceCheckUtils]: 5: Hoare triple {5778#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L290 TraceCheckUtils]: 6: Hoare triple {5778#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5778#true} is VALID [2022-04-28 03:56:10,003 INFO L290 TraceCheckUtils]: 7: Hoare triple {5778#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5783#(= main_~z~0 0)} is VALID [2022-04-28 03:56:10,004 INFO L290 TraceCheckUtils]: 8: Hoare triple {5783#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:10,004 INFO L290 TraceCheckUtils]: 9: Hoare triple {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:10,005 INFO L290 TraceCheckUtils]: 10: Hoare triple {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:10,005 INFO L290 TraceCheckUtils]: 11: Hoare triple {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:10,006 INFO L290 TraceCheckUtils]: 12: Hoare triple {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:10,006 INFO L290 TraceCheckUtils]: 13: Hoare triple {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:10,007 INFO L290 TraceCheckUtils]: 14: Hoare triple {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:10,007 INFO L290 TraceCheckUtils]: 15: Hoare triple {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:10,008 INFO L290 TraceCheckUtils]: 16: Hoare triple {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:10,008 INFO L290 TraceCheckUtils]: 17: Hoare triple {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:10,009 INFO L290 TraceCheckUtils]: 18: Hoare triple {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:10,009 INFO L290 TraceCheckUtils]: 19: Hoare triple {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:10,010 INFO L290 TraceCheckUtils]: 20: Hoare triple {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:10,010 INFO L290 TraceCheckUtils]: 21: Hoare triple {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5797#(and (<= main_~z~0 14) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:10,011 INFO L290 TraceCheckUtils]: 22: Hoare triple {5797#(and (<= main_~z~0 14) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {5779#false} is VALID [2022-04-28 03:56:10,011 INFO L272 TraceCheckUtils]: 23: Hoare triple {5779#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5779#false} is VALID [2022-04-28 03:56:10,011 INFO L290 TraceCheckUtils]: 24: Hoare triple {5779#false} ~cond := #in~cond; {5779#false} is VALID [2022-04-28 03:56:10,011 INFO L290 TraceCheckUtils]: 25: Hoare triple {5779#false} assume 0 == ~cond; {5779#false} is VALID [2022-04-28 03:56:10,011 INFO L290 TraceCheckUtils]: 26: Hoare triple {5779#false} assume !false; {5779#false} is VALID [2022-04-28 03:56:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:10,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:10,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841630008] [2022-04-28 03:56:10,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841630008] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:10,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824317224] [2022-04-28 03:56:10,012 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:56:10,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:10,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:10,013 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:10,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-28 03:56:10,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:56:10,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:10,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2022-04-28 03:56:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:10,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:10,297 INFO L272 TraceCheckUtils]: 0: Hoare triple {5778#true} call ULTIMATE.init(); {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L290 TraceCheckUtils]: 1: Hoare triple {5778#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L290 TraceCheckUtils]: 2: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L272 TraceCheckUtils]: 4: Hoare triple {5778#true} call #t~ret7 := main(); {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L290 TraceCheckUtils]: 5: Hoare triple {5778#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L290 TraceCheckUtils]: 6: Hoare triple {5778#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5778#true} is VALID [2022-04-28 03:56:10,298 INFO L290 TraceCheckUtils]: 7: Hoare triple {5778#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5783#(= main_~z~0 0)} is VALID [2022-04-28 03:56:10,299 INFO L290 TraceCheckUtils]: 8: Hoare triple {5783#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:10,299 INFO L290 TraceCheckUtils]: 9: Hoare triple {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:10,300 INFO L290 TraceCheckUtils]: 10: Hoare triple {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:10,300 INFO L290 TraceCheckUtils]: 11: Hoare triple {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:10,301 INFO L290 TraceCheckUtils]: 12: Hoare triple {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:10,301 INFO L290 TraceCheckUtils]: 13: Hoare triple {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:10,302 INFO L290 TraceCheckUtils]: 14: Hoare triple {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:10,302 INFO L290 TraceCheckUtils]: 15: Hoare triple {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:10,303 INFO L290 TraceCheckUtils]: 16: Hoare triple {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:10,303 INFO L290 TraceCheckUtils]: 17: Hoare triple {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:10,304 INFO L290 TraceCheckUtils]: 18: Hoare triple {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:10,304 INFO L290 TraceCheckUtils]: 19: Hoare triple {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:10,305 INFO L290 TraceCheckUtils]: 20: Hoare triple {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:10,305 INFO L290 TraceCheckUtils]: 21: Hoare triple {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5865#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:10,305 INFO L290 TraceCheckUtils]: 22: Hoare triple {5865#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !(~z~0 % 4294967296 < 268435455); {5779#false} is VALID [2022-04-28 03:56:10,306 INFO L272 TraceCheckUtils]: 23: Hoare triple {5779#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5779#false} is VALID [2022-04-28 03:56:10,306 INFO L290 TraceCheckUtils]: 24: Hoare triple {5779#false} ~cond := #in~cond; {5779#false} is VALID [2022-04-28 03:56:10,306 INFO L290 TraceCheckUtils]: 25: Hoare triple {5779#false} assume 0 == ~cond; {5779#false} is VALID [2022-04-28 03:56:10,306 INFO L290 TraceCheckUtils]: 26: Hoare triple {5779#false} assume !false; {5779#false} is VALID [2022-04-28 03:56:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:10,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:10,768 INFO L290 TraceCheckUtils]: 26: Hoare triple {5779#false} assume !false; {5779#false} is VALID [2022-04-28 03:56:10,768 INFO L290 TraceCheckUtils]: 25: Hoare triple {5779#false} assume 0 == ~cond; {5779#false} is VALID [2022-04-28 03:56:10,768 INFO L290 TraceCheckUtils]: 24: Hoare triple {5779#false} ~cond := #in~cond; {5779#false} is VALID [2022-04-28 03:56:10,768 INFO L272 TraceCheckUtils]: 23: Hoare triple {5779#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5779#false} is VALID [2022-04-28 03:56:10,768 INFO L290 TraceCheckUtils]: 22: Hoare triple {5893#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {5779#false} is VALID [2022-04-28 03:56:10,769 INFO L290 TraceCheckUtils]: 21: Hoare triple {5897#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5893#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,770 INFO L290 TraceCheckUtils]: 20: Hoare triple {5901#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5897#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,770 INFO L290 TraceCheckUtils]: 19: Hoare triple {5905#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5901#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,771 INFO L290 TraceCheckUtils]: 18: Hoare triple {5909#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5905#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,771 INFO L290 TraceCheckUtils]: 17: Hoare triple {5913#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5909#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,772 INFO L290 TraceCheckUtils]: 16: Hoare triple {5917#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5913#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,773 INFO L290 TraceCheckUtils]: 15: Hoare triple {5921#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5917#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,773 INFO L290 TraceCheckUtils]: 14: Hoare triple {5925#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5921#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,774 INFO L290 TraceCheckUtils]: 13: Hoare triple {5929#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5925#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,774 INFO L290 TraceCheckUtils]: 12: Hoare triple {5933#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5929#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,775 INFO L290 TraceCheckUtils]: 11: Hoare triple {5937#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5933#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,776 INFO L290 TraceCheckUtils]: 10: Hoare triple {5941#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5937#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,776 INFO L290 TraceCheckUtils]: 9: Hoare triple {5945#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5941#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,777 INFO L290 TraceCheckUtils]: 8: Hoare triple {5949#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5945#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,777 INFO L290 TraceCheckUtils]: 7: Hoare triple {5778#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5949#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:10,777 INFO L290 TraceCheckUtils]: 6: Hoare triple {5778#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5778#true} is VALID [2022-04-28 03:56:10,777 INFO L290 TraceCheckUtils]: 5: Hoare triple {5778#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5778#true} is VALID [2022-04-28 03:56:10,777 INFO L272 TraceCheckUtils]: 4: Hoare triple {5778#true} call #t~ret7 := main(); {5778#true} is VALID [2022-04-28 03:56:10,777 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 03:56:10,778 INFO L290 TraceCheckUtils]: 2: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 03:56:10,778 INFO L290 TraceCheckUtils]: 1: Hoare triple {5778#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 03:56:10,778 INFO L272 TraceCheckUtils]: 0: Hoare triple {5778#true} call ULTIMATE.init(); {5778#true} is VALID [2022-04-28 03:56:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:10,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824317224] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:10,778 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:10,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 34 [2022-04-28 03:56:10,778 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:10,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [336294173] [2022-04-28 03:56:10,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [336294173] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:10,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:10,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-04-28 03:56:10,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295620705] [2022-04-28 03:56:10,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:10,779 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-04-28 03:56:10,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:10,779 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:10,795 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:10,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-28 03:56:10,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:10,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-28 03:56:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2022-04-28 03:56:10,796 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:11,555 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2022-04-28 03:56:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-28 03:56:11,556 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-04-28 03:56:11,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 60 transitions. [2022-04-28 03:56:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 60 transitions. [2022-04-28 03:56:11,557 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 18 states and 60 transitions. [2022-04-28 03:56:11,601 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:11,602 INFO L225 Difference]: With dead ends: 67 [2022-04-28 03:56:11,602 INFO L226 Difference]: Without dead ends: 38 [2022-04-28 03:56:11,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=633, Invalid=1719, Unknown=0, NotChecked=0, Total=2352 [2022-04-28 03:56:11,603 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:11,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 03:56:11,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-28 03:56:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2022-04-28 03:56:11,625 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:11,625 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:11,625 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:11,625 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:11,626 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-04-28 03:56:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-04-28 03:56:11,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:11,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:11,627 INFO L74 IsIncluded]: Start isIncluded. First operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 38 states. [2022-04-28 03:56:11,627 INFO L87 Difference]: Start difference. First operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 38 states. [2022-04-28 03:56:11,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:11,627 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-04-28 03:56:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-04-28 03:56:11,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:11,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:11,628 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:11,628 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-04-28 03:56:11,629 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 27 [2022-04-28 03:56:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:11,629 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-04-28 03:56:11,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:11,629 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 41 transitions. [2022-04-28 03:56:11,667 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-04-28 03:56:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-28 03:56:11,667 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:11,667 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:11,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:11,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:11,868 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1683275422, now seen corresponding path program 29 times [2022-04-28 03:56:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:11,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [393178861] [2022-04-28 03:56:14,791 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:14,965 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:14,966 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash 548965699, now seen corresponding path program 1 times [2022-04-28 03:56:14,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:14,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721650903] [2022-04-28 03:56:14,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:14,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:14,974 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:14,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:14,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1683275422, now seen corresponding path program 30 times [2022-04-28 03:56:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:14,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015930593] [2022-04-28 03:56:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:14,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:15,221 INFO L290 TraceCheckUtils]: 0: Hoare triple {6312#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 03:56:15,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 03:56:15,221 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L272 TraceCheckUtils]: 0: Hoare triple {6291#true} call ULTIMATE.init(); {6312#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:15,222 INFO L290 TraceCheckUtils]: 1: Hoare triple {6312#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L290 TraceCheckUtils]: 2: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L272 TraceCheckUtils]: 4: Hoare triple {6291#true} call #t~ret7 := main(); {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L290 TraceCheckUtils]: 5: Hoare triple {6291#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L290 TraceCheckUtils]: 6: Hoare triple {6291#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6291#true} is VALID [2022-04-28 03:56:15,222 INFO L290 TraceCheckUtils]: 7: Hoare triple {6291#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6296#(= main_~z~0 0)} is VALID [2022-04-28 03:56:15,223 INFO L290 TraceCheckUtils]: 8: Hoare triple {6296#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:15,223 INFO L290 TraceCheckUtils]: 9: Hoare triple {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:15,224 INFO L290 TraceCheckUtils]: 10: Hoare triple {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:15,224 INFO L290 TraceCheckUtils]: 11: Hoare triple {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:15,225 INFO L290 TraceCheckUtils]: 12: Hoare triple {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:15,225 INFO L290 TraceCheckUtils]: 13: Hoare triple {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:15,226 INFO L290 TraceCheckUtils]: 14: Hoare triple {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:15,226 INFO L290 TraceCheckUtils]: 15: Hoare triple {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:15,227 INFO L290 TraceCheckUtils]: 16: Hoare triple {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:15,227 INFO L290 TraceCheckUtils]: 17: Hoare triple {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:15,228 INFO L290 TraceCheckUtils]: 18: Hoare triple {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:15,228 INFO L290 TraceCheckUtils]: 19: Hoare triple {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:15,229 INFO L290 TraceCheckUtils]: 20: Hoare triple {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:15,229 INFO L290 TraceCheckUtils]: 21: Hoare triple {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:15,230 INFO L290 TraceCheckUtils]: 22: Hoare triple {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6311#(and (<= main_~z~0 15) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:15,230 INFO L290 TraceCheckUtils]: 23: Hoare triple {6311#(and (<= main_~z~0 15) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {6292#false} is VALID [2022-04-28 03:56:15,230 INFO L272 TraceCheckUtils]: 24: Hoare triple {6292#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6292#false} is VALID [2022-04-28 03:56:15,230 INFO L290 TraceCheckUtils]: 25: Hoare triple {6292#false} ~cond := #in~cond; {6292#false} is VALID [2022-04-28 03:56:15,230 INFO L290 TraceCheckUtils]: 26: Hoare triple {6292#false} assume 0 == ~cond; {6292#false} is VALID [2022-04-28 03:56:15,230 INFO L290 TraceCheckUtils]: 27: Hoare triple {6292#false} assume !false; {6292#false} is VALID [2022-04-28 03:56:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:15,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:15,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015930593] [2022-04-28 03:56:15,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015930593] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:15,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739698007] [2022-04-28 03:56:15,231 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:56:15,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:15,232 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:15,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-28 03:56:15,399 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-04-28 03:56:15,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:15,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 36 conjunts are in the unsatisfiable core [2022-04-28 03:56:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:15,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:15,574 INFO L272 TraceCheckUtils]: 0: Hoare triple {6291#true} call ULTIMATE.init(); {6291#true} is VALID [2022-04-28 03:56:15,574 INFO L290 TraceCheckUtils]: 1: Hoare triple {6291#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 03:56:15,574 INFO L290 TraceCheckUtils]: 2: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 03:56:15,574 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 03:56:15,574 INFO L272 TraceCheckUtils]: 4: Hoare triple {6291#true} call #t~ret7 := main(); {6291#true} is VALID [2022-04-28 03:56:15,574 INFO L290 TraceCheckUtils]: 5: Hoare triple {6291#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6291#true} is VALID [2022-04-28 03:56:15,574 INFO L290 TraceCheckUtils]: 6: Hoare triple {6291#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6291#true} is VALID [2022-04-28 03:56:15,575 INFO L290 TraceCheckUtils]: 7: Hoare triple {6291#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6296#(= main_~z~0 0)} is VALID [2022-04-28 03:56:15,575 INFO L290 TraceCheckUtils]: 8: Hoare triple {6296#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:15,576 INFO L290 TraceCheckUtils]: 9: Hoare triple {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:15,576 INFO L290 TraceCheckUtils]: 10: Hoare triple {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:15,577 INFO L290 TraceCheckUtils]: 11: Hoare triple {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:15,577 INFO L290 TraceCheckUtils]: 12: Hoare triple {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:15,577 INFO L290 TraceCheckUtils]: 13: Hoare triple {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:15,578 INFO L290 TraceCheckUtils]: 14: Hoare triple {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:15,578 INFO L290 TraceCheckUtils]: 15: Hoare triple {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:15,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:15,591 INFO L290 TraceCheckUtils]: 17: Hoare triple {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:15,592 INFO L290 TraceCheckUtils]: 18: Hoare triple {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:15,595 INFO L290 TraceCheckUtils]: 19: Hoare triple {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:15,596 INFO L290 TraceCheckUtils]: 20: Hoare triple {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:15,596 INFO L290 TraceCheckUtils]: 21: Hoare triple {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:15,597 INFO L290 TraceCheckUtils]: 22: Hoare triple {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6382#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:15,597 INFO L290 TraceCheckUtils]: 23: Hoare triple {6382#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {6292#false} is VALID [2022-04-28 03:56:15,597 INFO L272 TraceCheckUtils]: 24: Hoare triple {6292#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6292#false} is VALID [2022-04-28 03:56:15,597 INFO L290 TraceCheckUtils]: 25: Hoare triple {6292#false} ~cond := #in~cond; {6292#false} is VALID [2022-04-28 03:56:15,597 INFO L290 TraceCheckUtils]: 26: Hoare triple {6292#false} assume 0 == ~cond; {6292#false} is VALID [2022-04-28 03:56:15,597 INFO L290 TraceCheckUtils]: 27: Hoare triple {6292#false} assume !false; {6292#false} is VALID [2022-04-28 03:56:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:15,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:16,441 INFO L290 TraceCheckUtils]: 27: Hoare triple {6292#false} assume !false; {6292#false} is VALID [2022-04-28 03:56:16,442 INFO L290 TraceCheckUtils]: 26: Hoare triple {6401#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {6292#false} is VALID [2022-04-28 03:56:16,442 INFO L290 TraceCheckUtils]: 25: Hoare triple {6405#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6401#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 03:56:16,443 INFO L272 TraceCheckUtils]: 24: Hoare triple {6409#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6405#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:56:16,443 INFO L290 TraceCheckUtils]: 23: Hoare triple {6413#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {6409#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:16,444 INFO L290 TraceCheckUtils]: 22: Hoare triple {6417#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6413#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:56:16,445 INFO L290 TraceCheckUtils]: 21: Hoare triple {6421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6417#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:56:16,445 INFO L290 TraceCheckUtils]: 20: Hoare triple {6425#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,449 INFO L290 TraceCheckUtils]: 19: Hoare triple {6429#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6425#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:56:16,449 INFO L290 TraceCheckUtils]: 18: Hoare triple {6433#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6429#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,450 INFO L290 TraceCheckUtils]: 17: Hoare triple {6437#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6433#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:56:16,451 INFO L290 TraceCheckUtils]: 16: Hoare triple {6441#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6437#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,452 INFO L290 TraceCheckUtils]: 15: Hoare triple {6445#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6441#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:56:16,453 INFO L290 TraceCheckUtils]: 14: Hoare triple {6449#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6445#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:56:16,454 INFO L290 TraceCheckUtils]: 13: Hoare triple {6453#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6449#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,454 INFO L290 TraceCheckUtils]: 12: Hoare triple {6457#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6453#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,459 INFO L290 TraceCheckUtils]: 11: Hoare triple {6461#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6457#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:56:16,459 INFO L290 TraceCheckUtils]: 10: Hoare triple {6465#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6461#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,460 INFO L290 TraceCheckUtils]: 9: Hoare triple {6469#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6465#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:56:16,461 INFO L290 TraceCheckUtils]: 8: Hoare triple {6473#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6469#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} is VALID [2022-04-28 03:56:16,461 INFO L290 TraceCheckUtils]: 7: Hoare triple {6291#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6473#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:56:16,461 INFO L290 TraceCheckUtils]: 6: Hoare triple {6291#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6291#true} is VALID [2022-04-28 03:56:16,461 INFO L290 TraceCheckUtils]: 5: Hoare triple {6291#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6291#true} is VALID [2022-04-28 03:56:16,461 INFO L272 TraceCheckUtils]: 4: Hoare triple {6291#true} call #t~ret7 := main(); {6291#true} is VALID [2022-04-28 03:56:16,462 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 03:56:16,462 INFO L290 TraceCheckUtils]: 2: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 03:56:16,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {6291#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 03:56:16,462 INFO L272 TraceCheckUtils]: 0: Hoare triple {6291#true} call ULTIMATE.init(); {6291#true} is VALID [2022-04-28 03:56:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:16,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739698007] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:16,462 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:16,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 21] total 39 [2022-04-28 03:56:16,462 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:16,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [393178861] [2022-04-28 03:56:16,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [393178861] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:16,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:16,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-04-28 03:56:16,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613741162] [2022-04-28 03:56:16,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:16,463 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-04-28 03:56:16,463 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:16,463 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:16,479 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:16,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-04-28 03:56:16,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:16,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-04-28 03:56:16,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=1111, Unknown=0, NotChecked=0, Total=1482 [2022-04-28 03:56:16,480 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:17,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:17,265 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2022-04-28 03:56:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-28 03:56:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-04-28 03:56:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 61 transitions. [2022-04-28 03:56:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 61 transitions. [2022-04-28 03:56:17,267 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 19 states and 61 transitions. [2022-04-28 03:56:17,315 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:17,315 INFO L225 Difference]: With dead ends: 69 [2022-04-28 03:56:17,315 INFO L226 Difference]: Without dead ends: 39 [2022-04-28 03:56:17,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=725, Invalid=2245, Unknown=0, NotChecked=0, Total=2970 [2022-04-28 03:56:17,316 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:17,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 03:56:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-04-28 03:56:17,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-04-28 03:56:17,339 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:17,339 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:17,339 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:17,339 INFO L87 Difference]: Start difference. First operand 39 states. Second operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:17,340 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-04-28 03:56:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-04-28 03:56:17,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:17,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:17,340 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 39 states. [2022-04-28 03:56:17,341 INFO L87 Difference]: Start difference. First operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 39 states. [2022-04-28 03:56:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:17,341 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-04-28 03:56:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-04-28 03:56:17,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:17,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:17,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:17,342 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-04-28 03:56:17,342 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 28 [2022-04-28 03:56:17,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:17,342 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-04-28 03:56:17,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:17,343 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 38 states and 42 transitions. [2022-04-28 03:56:17,379 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-04-28 03:56:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-28 03:56:17,380 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:17,380 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:17,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:17,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:17,584 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:17,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:17,585 INFO L85 PathProgramCache]: Analyzing trace with hash -615627966, now seen corresponding path program 31 times [2022-04-28 03:56:17,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:17,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2015681837] [2022-04-28 03:56:20,877 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:21,012 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:21,013 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:21,028 INFO L85 PathProgramCache]: Analyzing trace with hash 608071043, now seen corresponding path program 1 times [2022-04-28 03:56:21,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:21,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725860152] [2022-04-28 03:56:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:21,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:21,035 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:21,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:21,039 INFO L85 PathProgramCache]: Analyzing trace with hash -615627966, now seen corresponding path program 32 times [2022-04-28 03:56:21,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:21,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30572704] [2022-04-28 03:56:21,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:21,303 INFO L290 TraceCheckUtils]: 0: Hoare triple {6847#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 03:56:21,303 INFO L290 TraceCheckUtils]: 1: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 03:56:21,303 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L272 TraceCheckUtils]: 0: Hoare triple {6825#true} call ULTIMATE.init(); {6847#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:21,304 INFO L290 TraceCheckUtils]: 1: Hoare triple {6847#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L290 TraceCheckUtils]: 2: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L272 TraceCheckUtils]: 4: Hoare triple {6825#true} call #t~ret7 := main(); {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L290 TraceCheckUtils]: 5: Hoare triple {6825#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L290 TraceCheckUtils]: 6: Hoare triple {6825#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6825#true} is VALID [2022-04-28 03:56:21,304 INFO L290 TraceCheckUtils]: 7: Hoare triple {6825#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6830#(= main_~z~0 0)} is VALID [2022-04-28 03:56:21,305 INFO L290 TraceCheckUtils]: 8: Hoare triple {6830#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:21,305 INFO L290 TraceCheckUtils]: 9: Hoare triple {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:21,306 INFO L290 TraceCheckUtils]: 10: Hoare triple {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:21,306 INFO L290 TraceCheckUtils]: 11: Hoare triple {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:21,307 INFO L290 TraceCheckUtils]: 12: Hoare triple {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:21,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:21,308 INFO L290 TraceCheckUtils]: 14: Hoare triple {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:21,309 INFO L290 TraceCheckUtils]: 15: Hoare triple {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:21,309 INFO L290 TraceCheckUtils]: 16: Hoare triple {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:21,310 INFO L290 TraceCheckUtils]: 17: Hoare triple {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:21,310 INFO L290 TraceCheckUtils]: 18: Hoare triple {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:21,311 INFO L290 TraceCheckUtils]: 19: Hoare triple {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:21,311 INFO L290 TraceCheckUtils]: 20: Hoare triple {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:21,312 INFO L290 TraceCheckUtils]: 21: Hoare triple {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:21,312 INFO L290 TraceCheckUtils]: 22: Hoare triple {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:21,313 INFO L290 TraceCheckUtils]: 23: Hoare triple {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6846#(and (<= main_~z~0 16) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:21,314 INFO L290 TraceCheckUtils]: 24: Hoare triple {6846#(and (<= main_~z~0 16) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {6826#false} is VALID [2022-04-28 03:56:21,314 INFO L272 TraceCheckUtils]: 25: Hoare triple {6826#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6826#false} is VALID [2022-04-28 03:56:21,314 INFO L290 TraceCheckUtils]: 26: Hoare triple {6826#false} ~cond := #in~cond; {6826#false} is VALID [2022-04-28 03:56:21,314 INFO L290 TraceCheckUtils]: 27: Hoare triple {6826#false} assume 0 == ~cond; {6826#false} is VALID [2022-04-28 03:56:21,314 INFO L290 TraceCheckUtils]: 28: Hoare triple {6826#false} assume !false; {6826#false} is VALID [2022-04-28 03:56:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:21,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:21,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30572704] [2022-04-28 03:56:21,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30572704] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:21,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602206072] [2022-04-28 03:56:21,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:56:21,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:21,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:21,315 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:21,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-28 03:56:21,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:56:21,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:21,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 37 conjunts are in the unsatisfiable core [2022-04-28 03:56:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:21,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:21,638 INFO L272 TraceCheckUtils]: 0: Hoare triple {6825#true} call ULTIMATE.init(); {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L290 TraceCheckUtils]: 1: Hoare triple {6825#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L290 TraceCheckUtils]: 2: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L272 TraceCheckUtils]: 4: Hoare triple {6825#true} call #t~ret7 := main(); {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L290 TraceCheckUtils]: 5: Hoare triple {6825#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L290 TraceCheckUtils]: 6: Hoare triple {6825#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6825#true} is VALID [2022-04-28 03:56:21,639 INFO L290 TraceCheckUtils]: 7: Hoare triple {6825#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6830#(= main_~z~0 0)} is VALID [2022-04-28 03:56:21,640 INFO L290 TraceCheckUtils]: 8: Hoare triple {6830#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:21,640 INFO L290 TraceCheckUtils]: 9: Hoare triple {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:21,640 INFO L290 TraceCheckUtils]: 10: Hoare triple {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:21,641 INFO L290 TraceCheckUtils]: 11: Hoare triple {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:21,641 INFO L290 TraceCheckUtils]: 12: Hoare triple {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:21,642 INFO L290 TraceCheckUtils]: 13: Hoare triple {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:21,642 INFO L290 TraceCheckUtils]: 14: Hoare triple {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:21,643 INFO L290 TraceCheckUtils]: 15: Hoare triple {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:21,643 INFO L290 TraceCheckUtils]: 16: Hoare triple {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:21,644 INFO L290 TraceCheckUtils]: 17: Hoare triple {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:21,644 INFO L290 TraceCheckUtils]: 18: Hoare triple {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:21,645 INFO L290 TraceCheckUtils]: 19: Hoare triple {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:21,645 INFO L290 TraceCheckUtils]: 20: Hoare triple {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:21,646 INFO L290 TraceCheckUtils]: 21: Hoare triple {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:21,646 INFO L290 TraceCheckUtils]: 22: Hoare triple {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:21,647 INFO L290 TraceCheckUtils]: 23: Hoare triple {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:21,647 INFO L290 TraceCheckUtils]: 24: Hoare triple {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !(~z~0 % 4294967296 < 268435455); {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:21,647 INFO L272 TraceCheckUtils]: 25: Hoare triple {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:56:21,648 INFO L290 TraceCheckUtils]: 26: Hoare triple {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6931#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:56:21,648 INFO L290 TraceCheckUtils]: 27: Hoare triple {6931#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {6826#false} is VALID [2022-04-28 03:56:21,648 INFO L290 TraceCheckUtils]: 28: Hoare triple {6826#false} assume !false; {6826#false} is VALID [2022-04-28 03:56:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:21,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:21,820 INFO L290 TraceCheckUtils]: 28: Hoare triple {6826#false} assume !false; {6826#false} is VALID [2022-04-28 03:56:21,821 INFO L290 TraceCheckUtils]: 27: Hoare triple {6931#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {6826#false} is VALID [2022-04-28 03:56:21,821 INFO L290 TraceCheckUtils]: 26: Hoare triple {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6931#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:56:21,822 INFO L272 TraceCheckUtils]: 25: Hoare triple {6947#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:56:21,822 INFO L290 TraceCheckUtils]: 24: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:21,822 INFO L290 TraceCheckUtils]: 23: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:21,823 INFO L290 TraceCheckUtils]: 22: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:56:21,823 INFO L290 TraceCheckUtils]: 21: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:56:21,824 INFO L290 TraceCheckUtils]: 20: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:56:21,825 INFO L290 TraceCheckUtils]: 19: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:21,825 INFO L290 TraceCheckUtils]: 18: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:56:21,826 INFO L290 TraceCheckUtils]: 17: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:56:21,826 INFO L290 TraceCheckUtils]: 16: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:56:21,827 INFO L290 TraceCheckUtils]: 15: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:21,828 INFO L290 TraceCheckUtils]: 14: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:56:21,828 INFO L290 TraceCheckUtils]: 13: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:56:21,829 INFO L290 TraceCheckUtils]: 12: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:56:21,829 INFO L290 TraceCheckUtils]: 11: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:21,830 INFO L290 TraceCheckUtils]: 10: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:56:21,830 INFO L290 TraceCheckUtils]: 9: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:56:21,831 INFO L290 TraceCheckUtils]: 8: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:56:21,831 INFO L290 TraceCheckUtils]: 7: Hoare triple {6825#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:56:21,832 INFO L290 TraceCheckUtils]: 6: Hoare triple {6825#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L290 TraceCheckUtils]: 5: Hoare triple {6825#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L272 TraceCheckUtils]: 4: Hoare triple {6825#true} call #t~ret7 := main(); {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L290 TraceCheckUtils]: 2: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L290 TraceCheckUtils]: 1: Hoare triple {6825#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L272 TraceCheckUtils]: 0: Hoare triple {6825#true} call ULTIMATE.init(); {6825#true} is VALID [2022-04-28 03:56:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-28 03:56:21,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602206072] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:21,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:21,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 8] total 27 [2022-04-28 03:56:21,833 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:21,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2015681837] [2022-04-28 03:56:21,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2015681837] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:21,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:21,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-04-28 03:56:21,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627597676] [2022-04-28 03:56:21,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:21,833 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-04-28 03:56:21,833 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:21,834 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:21,865 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:21,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-04-28 03:56:21,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:21,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-04-28 03:56:21,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2022-04-28 03:56:21,866 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:22,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:22,598 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-04-28 03:56:22,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-04-28 03:56:22,598 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-04-28 03:56:22,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 62 transitions. [2022-04-28 03:56:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 62 transitions. [2022-04-28 03:56:22,600 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 20 states and 62 transitions. [2022-04-28 03:56:22,646 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:22,647 INFO L225 Difference]: With dead ends: 71 [2022-04-28 03:56:22,647 INFO L226 Difference]: Without dead ends: 40 [2022-04-28 03:56:22,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=1691, Unknown=0, NotChecked=0, Total=1892 [2022-04-28 03:56:22,648 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:22,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 33 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 03:56:22,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-28 03:56:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-04-28 03:56:22,676 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:22,676 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:22,676 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:22,676 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:22,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:22,677 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-04-28 03:56:22,677 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-04-28 03:56:22,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:22,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:22,678 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 40 states. [2022-04-28 03:56:22,678 INFO L87 Difference]: Start difference. First operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 40 states. [2022-04-28 03:56:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:22,678 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-04-28 03:56:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-04-28 03:56:22,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:22,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:22,679 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:22,679 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-04-28 03:56:22,679 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 29 [2022-04-28 03:56:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:22,680 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-04-28 03:56:22,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:22,680 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 39 states and 43 transitions. [2022-04-28 03:56:22,716 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-04-28 03:56:22,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-28 03:56:22,717 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:22,717 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:22,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:22,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2022-04-28 03:56:22,918 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:22,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:22,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1878295198, now seen corresponding path program 33 times [2022-04-28 03:56:22,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:22,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [740628183] [2022-04-28 03:56:23,460 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:23,461 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash 667176387, now seen corresponding path program 1 times [2022-04-28 03:56:23,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:23,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535942750] [2022-04-28 03:56:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:23,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:23,471 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:23,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1878295198, now seen corresponding path program 34 times [2022-04-28 03:56:23,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:23,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781268104] [2022-04-28 03:56:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:23,786 INFO L290 TraceCheckUtils]: 0: Hoare triple {7386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 03:56:23,786 INFO L290 TraceCheckUtils]: 1: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 03:56:23,786 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L272 TraceCheckUtils]: 0: Hoare triple {7363#true} call ULTIMATE.init(); {7386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:23,787 INFO L290 TraceCheckUtils]: 1: Hoare triple {7386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L290 TraceCheckUtils]: 2: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L272 TraceCheckUtils]: 4: Hoare triple {7363#true} call #t~ret7 := main(); {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L290 TraceCheckUtils]: 5: Hoare triple {7363#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L290 TraceCheckUtils]: 6: Hoare triple {7363#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7363#true} is VALID [2022-04-28 03:56:23,787 INFO L290 TraceCheckUtils]: 7: Hoare triple {7363#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7368#(= main_~z~0 0)} is VALID [2022-04-28 03:56:23,788 INFO L290 TraceCheckUtils]: 8: Hoare triple {7368#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:23,788 INFO L290 TraceCheckUtils]: 9: Hoare triple {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:23,789 INFO L290 TraceCheckUtils]: 10: Hoare triple {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:23,789 INFO L290 TraceCheckUtils]: 11: Hoare triple {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:23,790 INFO L290 TraceCheckUtils]: 12: Hoare triple {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:23,790 INFO L290 TraceCheckUtils]: 13: Hoare triple {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:23,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:23,791 INFO L290 TraceCheckUtils]: 15: Hoare triple {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:23,792 INFO L290 TraceCheckUtils]: 16: Hoare triple {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:23,792 INFO L290 TraceCheckUtils]: 17: Hoare triple {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:23,793 INFO L290 TraceCheckUtils]: 18: Hoare triple {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:23,793 INFO L290 TraceCheckUtils]: 19: Hoare triple {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:23,793 INFO L290 TraceCheckUtils]: 20: Hoare triple {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:23,794 INFO L290 TraceCheckUtils]: 21: Hoare triple {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:23,794 INFO L290 TraceCheckUtils]: 22: Hoare triple {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:23,795 INFO L290 TraceCheckUtils]: 23: Hoare triple {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:23,795 INFO L290 TraceCheckUtils]: 24: Hoare triple {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7385#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:23,796 INFO L290 TraceCheckUtils]: 25: Hoare triple {7385#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 17))} assume !(~z~0 % 4294967296 < 268435455); {7364#false} is VALID [2022-04-28 03:56:23,796 INFO L272 TraceCheckUtils]: 26: Hoare triple {7364#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7364#false} is VALID [2022-04-28 03:56:23,796 INFO L290 TraceCheckUtils]: 27: Hoare triple {7364#false} ~cond := #in~cond; {7364#false} is VALID [2022-04-28 03:56:23,796 INFO L290 TraceCheckUtils]: 28: Hoare triple {7364#false} assume 0 == ~cond; {7364#false} is VALID [2022-04-28 03:56:23,796 INFO L290 TraceCheckUtils]: 29: Hoare triple {7364#false} assume !false; {7364#false} is VALID [2022-04-28 03:56:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:23,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:23,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781268104] [2022-04-28 03:56:23,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781268104] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:23,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875278913] [2022-04-28 03:56:23,797 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:56:23,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:23,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:23,798 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:23,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-28 03:56:23,830 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:56:23,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:23,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 37 conjunts are in the unsatisfiable core [2022-04-28 03:56:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:23,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:24,098 INFO L272 TraceCheckUtils]: 0: Hoare triple {7363#true} call ULTIMATE.init(); {7363#true} is VALID [2022-04-28 03:56:24,098 INFO L290 TraceCheckUtils]: 1: Hoare triple {7363#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 03:56:24,098 INFO L290 TraceCheckUtils]: 2: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 03:56:24,098 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 03:56:24,099 INFO L272 TraceCheckUtils]: 4: Hoare triple {7363#true} call #t~ret7 := main(); {7363#true} is VALID [2022-04-28 03:56:24,099 INFO L290 TraceCheckUtils]: 5: Hoare triple {7363#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7363#true} is VALID [2022-04-28 03:56:24,099 INFO L290 TraceCheckUtils]: 6: Hoare triple {7363#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7363#true} is VALID [2022-04-28 03:56:24,099 INFO L290 TraceCheckUtils]: 7: Hoare triple {7363#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7368#(= main_~z~0 0)} is VALID [2022-04-28 03:56:24,099 INFO L290 TraceCheckUtils]: 8: Hoare triple {7368#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:24,100 INFO L290 TraceCheckUtils]: 9: Hoare triple {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:24,100 INFO L290 TraceCheckUtils]: 10: Hoare triple {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:24,101 INFO L290 TraceCheckUtils]: 11: Hoare triple {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:24,101 INFO L290 TraceCheckUtils]: 12: Hoare triple {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:24,102 INFO L290 TraceCheckUtils]: 13: Hoare triple {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:24,102 INFO L290 TraceCheckUtils]: 14: Hoare triple {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:24,103 INFO L290 TraceCheckUtils]: 15: Hoare triple {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:24,103 INFO L290 TraceCheckUtils]: 16: Hoare triple {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:24,104 INFO L290 TraceCheckUtils]: 17: Hoare triple {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:24,104 INFO L290 TraceCheckUtils]: 18: Hoare triple {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:24,105 INFO L290 TraceCheckUtils]: 19: Hoare triple {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:24,105 INFO L290 TraceCheckUtils]: 20: Hoare triple {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:24,105 INFO L290 TraceCheckUtils]: 21: Hoare triple {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:24,106 INFO L290 TraceCheckUtils]: 22: Hoare triple {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:24,106 INFO L290 TraceCheckUtils]: 23: Hoare triple {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:24,107 INFO L290 TraceCheckUtils]: 24: Hoare triple {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7462#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:24,107 INFO L290 TraceCheckUtils]: 25: Hoare triple {7462#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !(~z~0 % 4294967296 < 268435455); {7364#false} is VALID [2022-04-28 03:56:24,107 INFO L272 TraceCheckUtils]: 26: Hoare triple {7364#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7364#false} is VALID [2022-04-28 03:56:24,107 INFO L290 TraceCheckUtils]: 27: Hoare triple {7364#false} ~cond := #in~cond; {7364#false} is VALID [2022-04-28 03:56:24,108 INFO L290 TraceCheckUtils]: 28: Hoare triple {7364#false} assume 0 == ~cond; {7364#false} is VALID [2022-04-28 03:56:24,108 INFO L290 TraceCheckUtils]: 29: Hoare triple {7364#false} assume !false; {7364#false} is VALID [2022-04-28 03:56:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:24,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:24,686 INFO L290 TraceCheckUtils]: 29: Hoare triple {7364#false} assume !false; {7364#false} is VALID [2022-04-28 03:56:24,686 INFO L290 TraceCheckUtils]: 28: Hoare triple {7364#false} assume 0 == ~cond; {7364#false} is VALID [2022-04-28 03:56:24,686 INFO L290 TraceCheckUtils]: 27: Hoare triple {7364#false} ~cond := #in~cond; {7364#false} is VALID [2022-04-28 03:56:24,686 INFO L272 TraceCheckUtils]: 26: Hoare triple {7364#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7364#false} is VALID [2022-04-28 03:56:24,686 INFO L290 TraceCheckUtils]: 25: Hoare triple {7490#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {7364#false} is VALID [2022-04-28 03:56:24,687 INFO L290 TraceCheckUtils]: 24: Hoare triple {7494#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7490#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,687 INFO L290 TraceCheckUtils]: 23: Hoare triple {7498#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7494#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,688 INFO L290 TraceCheckUtils]: 22: Hoare triple {7502#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7498#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,689 INFO L290 TraceCheckUtils]: 21: Hoare triple {7506#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7502#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,689 INFO L290 TraceCheckUtils]: 20: Hoare triple {7510#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7506#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,690 INFO L290 TraceCheckUtils]: 19: Hoare triple {7514#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7510#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,691 INFO L290 TraceCheckUtils]: 18: Hoare triple {7518#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7514#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,691 INFO L290 TraceCheckUtils]: 17: Hoare triple {7522#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7518#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,692 INFO L290 TraceCheckUtils]: 16: Hoare triple {7526#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7522#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,692 INFO L290 TraceCheckUtils]: 15: Hoare triple {7530#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7526#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,693 INFO L290 TraceCheckUtils]: 14: Hoare triple {7534#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7530#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,693 INFO L290 TraceCheckUtils]: 13: Hoare triple {7538#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7534#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,694 INFO L290 TraceCheckUtils]: 12: Hoare triple {7542#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7538#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,695 INFO L290 TraceCheckUtils]: 11: Hoare triple {7546#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7542#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,695 INFO L290 TraceCheckUtils]: 10: Hoare triple {7550#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7546#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,699 INFO L290 TraceCheckUtils]: 9: Hoare triple {7554#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7550#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,700 INFO L290 TraceCheckUtils]: 8: Hoare triple {7558#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7554#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,700 INFO L290 TraceCheckUtils]: 7: Hoare triple {7363#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7558#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:24,700 INFO L290 TraceCheckUtils]: 6: Hoare triple {7363#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7363#true} is VALID [2022-04-28 03:56:24,700 INFO L290 TraceCheckUtils]: 5: Hoare triple {7363#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7363#true} is VALID [2022-04-28 03:56:24,700 INFO L272 TraceCheckUtils]: 4: Hoare triple {7363#true} call #t~ret7 := main(); {7363#true} is VALID [2022-04-28 03:56:24,700 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 03:56:24,701 INFO L290 TraceCheckUtils]: 2: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 03:56:24,701 INFO L290 TraceCheckUtils]: 1: Hoare triple {7363#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 03:56:24,701 INFO L272 TraceCheckUtils]: 0: Hoare triple {7363#true} call ULTIMATE.init(); {7363#true} is VALID [2022-04-28 03:56:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:24,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875278913] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:24,701 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:24,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 40 [2022-04-28 03:56:24,701 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:24,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [740628183] [2022-04-28 03:56:24,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [740628183] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:24,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:24,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-04-28 03:56:24,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542054253] [2022-04-28 03:56:24,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:24,702 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-28 03:56:24,702 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:24,702 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:24,721 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:24,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-04-28 03:56:24,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:24,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-04-28 03:56:24,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=1123, Unknown=0, NotChecked=0, Total=1560 [2022-04-28 03:56:24,722 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:25,746 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2022-04-28 03:56:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-28 03:56:25,746 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-28 03:56:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 63 transitions. [2022-04-28 03:56:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 63 transitions. [2022-04-28 03:56:25,748 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 21 states and 63 transitions. [2022-04-28 03:56:25,802 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:25,803 INFO L225 Difference]: With dead ends: 73 [2022-04-28 03:56:25,803 INFO L226 Difference]: Without dead ends: 41 [2022-04-28 03:56:25,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=867, Invalid=2439, Unknown=0, NotChecked=0, Total=3306 [2022-04-28 03:56:25,805 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:25,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 03:56:25,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-04-28 03:56:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2022-04-28 03:56:25,850 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:25,850 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:25,851 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:25,851 INFO L87 Difference]: Start difference. First operand 41 states. Second operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:25,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:25,852 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-04-28 03:56:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-04-28 03:56:25,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:25,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:25,853 INFO L74 IsIncluded]: Start isIncluded. First operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 41 states. [2022-04-28 03:56:25,853 INFO L87 Difference]: Start difference. First operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 41 states. [2022-04-28 03:56:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:25,855 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-04-28 03:56:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-04-28 03:56:25,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:25,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:25,855 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:25,855 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-04-28 03:56:25,857 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 30 [2022-04-28 03:56:25,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:25,857 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-04-28 03:56:25,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:25,858 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 40 states and 44 transitions. [2022-04-28 03:56:25,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-04-28 03:56:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-28 03:56:25,901 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:25,901 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:25,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:26,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2022-04-28 03:56:26,116 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:26,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:26,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1928693570, now seen corresponding path program 35 times [2022-04-28 03:56:26,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:26,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [656204204] [2022-04-28 03:56:28,861 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:29,005 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:29,007 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash 726281731, now seen corresponding path program 1 times [2022-04-28 03:56:29,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:29,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598909193] [2022-04-28 03:56:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:29,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:29,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:29,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1928693570, now seen corresponding path program 36 times [2022-04-28 03:56:29,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:29,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997855094] [2022-04-28 03:56:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:29,319 INFO L290 TraceCheckUtils]: 0: Hoare triple {7954#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 03:56:29,319 INFO L290 TraceCheckUtils]: 1: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 03:56:29,319 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L272 TraceCheckUtils]: 0: Hoare triple {7930#true} call ULTIMATE.init(); {7954#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:29,320 INFO L290 TraceCheckUtils]: 1: Hoare triple {7954#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L272 TraceCheckUtils]: 4: Hoare triple {7930#true} call #t~ret7 := main(); {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L290 TraceCheckUtils]: 5: Hoare triple {7930#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L290 TraceCheckUtils]: 6: Hoare triple {7930#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7930#true} is VALID [2022-04-28 03:56:29,320 INFO L290 TraceCheckUtils]: 7: Hoare triple {7930#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7935#(= main_~z~0 0)} is VALID [2022-04-28 03:56:29,321 INFO L290 TraceCheckUtils]: 8: Hoare triple {7935#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:29,321 INFO L290 TraceCheckUtils]: 9: Hoare triple {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:29,322 INFO L290 TraceCheckUtils]: 10: Hoare triple {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:29,322 INFO L290 TraceCheckUtils]: 11: Hoare triple {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:29,323 INFO L290 TraceCheckUtils]: 12: Hoare triple {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:29,323 INFO L290 TraceCheckUtils]: 13: Hoare triple {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:29,324 INFO L290 TraceCheckUtils]: 14: Hoare triple {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:29,324 INFO L290 TraceCheckUtils]: 15: Hoare triple {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:29,325 INFO L290 TraceCheckUtils]: 16: Hoare triple {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:29,325 INFO L290 TraceCheckUtils]: 17: Hoare triple {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:29,326 INFO L290 TraceCheckUtils]: 18: Hoare triple {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:29,326 INFO L290 TraceCheckUtils]: 19: Hoare triple {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:29,327 INFO L290 TraceCheckUtils]: 20: Hoare triple {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:29,327 INFO L290 TraceCheckUtils]: 21: Hoare triple {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:29,328 INFO L290 TraceCheckUtils]: 22: Hoare triple {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:29,328 INFO L290 TraceCheckUtils]: 23: Hoare triple {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:29,329 INFO L290 TraceCheckUtils]: 24: Hoare triple {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:29,330 INFO L290 TraceCheckUtils]: 25: Hoare triple {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7953#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:29,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {7953#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 18))} assume !(~z~0 % 4294967296 < 268435455); {7931#false} is VALID [2022-04-28 03:56:29,330 INFO L272 TraceCheckUtils]: 27: Hoare triple {7931#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7931#false} is VALID [2022-04-28 03:56:29,330 INFO L290 TraceCheckUtils]: 28: Hoare triple {7931#false} ~cond := #in~cond; {7931#false} is VALID [2022-04-28 03:56:29,330 INFO L290 TraceCheckUtils]: 29: Hoare triple {7931#false} assume 0 == ~cond; {7931#false} is VALID [2022-04-28 03:56:29,330 INFO L290 TraceCheckUtils]: 30: Hoare triple {7931#false} assume !false; {7931#false} is VALID [2022-04-28 03:56:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:29,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:29,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997855094] [2022-04-28 03:56:29,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997855094] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:29,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889804214] [2022-04-28 03:56:29,331 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:56:29,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:29,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:29,344 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:29,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-28 03:56:29,497 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-04-28 03:56:29,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:29,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-28 03:56:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:29,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:29,788 INFO L272 TraceCheckUtils]: 0: Hoare triple {7930#true} call ULTIMATE.init(); {7930#true} is VALID [2022-04-28 03:56:29,788 INFO L290 TraceCheckUtils]: 1: Hoare triple {7930#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 03:56:29,788 INFO L290 TraceCheckUtils]: 2: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 03:56:29,788 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 03:56:29,788 INFO L272 TraceCheckUtils]: 4: Hoare triple {7930#true} call #t~ret7 := main(); {7930#true} is VALID [2022-04-28 03:56:29,788 INFO L290 TraceCheckUtils]: 5: Hoare triple {7930#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7930#true} is VALID [2022-04-28 03:56:29,788 INFO L290 TraceCheckUtils]: 6: Hoare triple {7930#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7930#true} is VALID [2022-04-28 03:56:29,789 INFO L290 TraceCheckUtils]: 7: Hoare triple {7930#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7935#(= main_~z~0 0)} is VALID [2022-04-28 03:56:29,789 INFO L290 TraceCheckUtils]: 8: Hoare triple {7935#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:29,789 INFO L290 TraceCheckUtils]: 9: Hoare triple {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:29,790 INFO L290 TraceCheckUtils]: 10: Hoare triple {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:29,790 INFO L290 TraceCheckUtils]: 11: Hoare triple {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:29,791 INFO L290 TraceCheckUtils]: 12: Hoare triple {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:29,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:29,792 INFO L290 TraceCheckUtils]: 14: Hoare triple {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:29,793 INFO L290 TraceCheckUtils]: 15: Hoare triple {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:29,793 INFO L290 TraceCheckUtils]: 16: Hoare triple {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:29,794 INFO L290 TraceCheckUtils]: 17: Hoare triple {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:29,794 INFO L290 TraceCheckUtils]: 18: Hoare triple {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:29,795 INFO L290 TraceCheckUtils]: 19: Hoare triple {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:29,795 INFO L290 TraceCheckUtils]: 20: Hoare triple {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:29,796 INFO L290 TraceCheckUtils]: 21: Hoare triple {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:29,796 INFO L290 TraceCheckUtils]: 22: Hoare triple {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:29,796 INFO L290 TraceCheckUtils]: 23: Hoare triple {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:29,797 INFO L290 TraceCheckUtils]: 24: Hoare triple {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:29,797 INFO L290 TraceCheckUtils]: 25: Hoare triple {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:29,798 INFO L290 TraceCheckUtils]: 26: Hoare triple {8033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !(~z~0 % 4294967296 < 268435455); {7931#false} is VALID [2022-04-28 03:56:29,798 INFO L272 TraceCheckUtils]: 27: Hoare triple {7931#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7931#false} is VALID [2022-04-28 03:56:29,798 INFO L290 TraceCheckUtils]: 28: Hoare triple {7931#false} ~cond := #in~cond; {7931#false} is VALID [2022-04-28 03:56:29,798 INFO L290 TraceCheckUtils]: 29: Hoare triple {7931#false} assume 0 == ~cond; {7931#false} is VALID [2022-04-28 03:56:29,798 INFO L290 TraceCheckUtils]: 30: Hoare triple {7931#false} assume !false; {7931#false} is VALID [2022-04-28 03:56:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:29,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:30,427 INFO L290 TraceCheckUtils]: 30: Hoare triple {7931#false} assume !false; {7931#false} is VALID [2022-04-28 03:56:30,428 INFO L290 TraceCheckUtils]: 29: Hoare triple {7931#false} assume 0 == ~cond; {7931#false} is VALID [2022-04-28 03:56:30,428 INFO L290 TraceCheckUtils]: 28: Hoare triple {7931#false} ~cond := #in~cond; {7931#false} is VALID [2022-04-28 03:56:30,428 INFO L272 TraceCheckUtils]: 27: Hoare triple {7931#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7931#false} is VALID [2022-04-28 03:56:30,430 INFO L290 TraceCheckUtils]: 26: Hoare triple {8061#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {7931#false} is VALID [2022-04-28 03:56:30,431 INFO L290 TraceCheckUtils]: 25: Hoare triple {8065#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8061#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,431 INFO L290 TraceCheckUtils]: 24: Hoare triple {8069#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8065#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,432 INFO L290 TraceCheckUtils]: 23: Hoare triple {8073#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8069#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,433 INFO L290 TraceCheckUtils]: 22: Hoare triple {8077#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8073#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,433 INFO L290 TraceCheckUtils]: 21: Hoare triple {8081#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8077#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,434 INFO L290 TraceCheckUtils]: 20: Hoare triple {8085#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8081#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,434 INFO L290 TraceCheckUtils]: 19: Hoare triple {8089#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8085#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,435 INFO L290 TraceCheckUtils]: 18: Hoare triple {8093#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8089#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,436 INFO L290 TraceCheckUtils]: 17: Hoare triple {8097#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8093#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,436 INFO L290 TraceCheckUtils]: 16: Hoare triple {8101#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8097#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,437 INFO L290 TraceCheckUtils]: 15: Hoare triple {8105#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8101#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,437 INFO L290 TraceCheckUtils]: 14: Hoare triple {8109#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8105#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,438 INFO L290 TraceCheckUtils]: 13: Hoare triple {8113#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8109#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,439 INFO L290 TraceCheckUtils]: 12: Hoare triple {8117#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8113#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,439 INFO L290 TraceCheckUtils]: 11: Hoare triple {8121#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8117#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,440 INFO L290 TraceCheckUtils]: 10: Hoare triple {8125#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8121#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,440 INFO L290 TraceCheckUtils]: 9: Hoare triple {8129#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8125#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,441 INFO L290 TraceCheckUtils]: 8: Hoare triple {8133#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8129#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,441 INFO L290 TraceCheckUtils]: 7: Hoare triple {7930#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8133#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:56:30,441 INFO L290 TraceCheckUtils]: 6: Hoare triple {7930#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7930#true} is VALID [2022-04-28 03:56:30,441 INFO L290 TraceCheckUtils]: 5: Hoare triple {7930#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7930#true} is VALID [2022-04-28 03:56:30,441 INFO L272 TraceCheckUtils]: 4: Hoare triple {7930#true} call #t~ret7 := main(); {7930#true} is VALID [2022-04-28 03:56:30,442 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 03:56:30,442 INFO L290 TraceCheckUtils]: 2: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 03:56:30,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {7930#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 03:56:30,442 INFO L272 TraceCheckUtils]: 0: Hoare triple {7930#true} call ULTIMATE.init(); {7930#true} is VALID [2022-04-28 03:56:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:30,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889804214] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:30,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:30,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-04-28 03:56:30,442 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:30,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [656204204] [2022-04-28 03:56:30,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [656204204] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:30,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:30,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-04-28 03:56:30,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334634436] [2022-04-28 03:56:30,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:30,443 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-04-28 03:56:30,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:30,443 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:30,463 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:30,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-04-28 03:56:30,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:30,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-04-28 03:56:30,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-04-28 03:56:30,464 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:31,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:31,564 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2022-04-28 03:56:31,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-28 03:56:31,564 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-04-28 03:56:31,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 64 transitions. [2022-04-28 03:56:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 64 transitions. [2022-04-28 03:56:31,568 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 64 transitions. [2022-04-28 03:56:31,623 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:31,624 INFO L225 Difference]: With dead ends: 75 [2022-04-28 03:56:31,624 INFO L226 Difference]: Without dead ends: 42 [2022-04-28 03:56:31,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=953, Invalid=2707, Unknown=0, NotChecked=0, Total=3660 [2022-04-28 03:56:31,625 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:31,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 03:56:31,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-04-28 03:56:31,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2022-04-28 03:56:31,650 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:31,650 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:31,650 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:31,651 INFO L87 Difference]: Start difference. First operand 42 states. Second operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:31,651 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-04-28 03:56:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-04-28 03:56:31,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:31,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:31,652 INFO L74 IsIncluded]: Start isIncluded. First operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-04-28 03:56:31,652 INFO L87 Difference]: Start difference. First operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-04-28 03:56:31,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:31,652 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-04-28 03:56:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-04-28 03:56:31,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:31,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:31,653 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:31,653 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-04-28 03:56:31,653 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 31 [2022-04-28 03:56:31,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:31,654 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-04-28 03:56:31,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:31,654 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 41 states and 45 transitions. [2022-04-28 03:56:31,706 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-04-28 03:56:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-28 03:56:31,706 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:31,706 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:31,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:31,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2022-04-28 03:56:31,911 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:31,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:31,912 INFO L85 PathProgramCache]: Analyzing trace with hash -313738910, now seen corresponding path program 37 times [2022-04-28 03:56:31,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:31,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1780644280] [2022-04-28 03:56:34,617 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:34,752 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:34,753 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash 785387075, now seen corresponding path program 1 times [2022-04-28 03:56:34,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:34,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895792565] [2022-04-28 03:56:34,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:34,762 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:34,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:34,769 INFO L85 PathProgramCache]: Analyzing trace with hash -313738910, now seen corresponding path program 38 times [2022-04-28 03:56:34,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:34,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361245248] [2022-04-28 03:56:34,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:34,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:35,073 INFO L290 TraceCheckUtils]: 0: Hoare triple {8540#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 03:56:35,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 03:56:35,074 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 03:56:35,074 INFO L272 TraceCheckUtils]: 0: Hoare triple {8515#true} call ULTIMATE.init(); {8540#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:35,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {8540#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 03:56:35,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 03:56:35,074 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 03:56:35,074 INFO L272 TraceCheckUtils]: 4: Hoare triple {8515#true} call #t~ret7 := main(); {8515#true} is VALID [2022-04-28 03:56:35,075 INFO L290 TraceCheckUtils]: 5: Hoare triple {8515#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {8515#true} is VALID [2022-04-28 03:56:35,075 INFO L290 TraceCheckUtils]: 6: Hoare triple {8515#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {8515#true} is VALID [2022-04-28 03:56:35,075 INFO L290 TraceCheckUtils]: 7: Hoare triple {8515#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8520#(= main_~z~0 0)} is VALID [2022-04-28 03:56:35,075 INFO L290 TraceCheckUtils]: 8: Hoare triple {8520#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:35,076 INFO L290 TraceCheckUtils]: 9: Hoare triple {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:35,076 INFO L290 TraceCheckUtils]: 10: Hoare triple {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:35,077 INFO L290 TraceCheckUtils]: 11: Hoare triple {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:35,077 INFO L290 TraceCheckUtils]: 12: Hoare triple {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:35,078 INFO L290 TraceCheckUtils]: 13: Hoare triple {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:35,078 INFO L290 TraceCheckUtils]: 14: Hoare triple {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:35,079 INFO L290 TraceCheckUtils]: 15: Hoare triple {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:35,079 INFO L290 TraceCheckUtils]: 16: Hoare triple {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:35,080 INFO L290 TraceCheckUtils]: 17: Hoare triple {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:35,080 INFO L290 TraceCheckUtils]: 18: Hoare triple {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:35,081 INFO L290 TraceCheckUtils]: 19: Hoare triple {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:35,081 INFO L290 TraceCheckUtils]: 20: Hoare triple {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:35,082 INFO L290 TraceCheckUtils]: 21: Hoare triple {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:35,082 INFO L290 TraceCheckUtils]: 22: Hoare triple {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:35,083 INFO L290 TraceCheckUtils]: 23: Hoare triple {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:35,083 INFO L290 TraceCheckUtils]: 24: Hoare triple {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:35,084 INFO L290 TraceCheckUtils]: 25: Hoare triple {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:35,084 INFO L290 TraceCheckUtils]: 26: Hoare triple {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8539#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:35,085 INFO L290 TraceCheckUtils]: 27: Hoare triple {8539#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 19))} assume !(~z~0 % 4294967296 < 268435455); {8516#false} is VALID [2022-04-28 03:56:35,085 INFO L272 TraceCheckUtils]: 28: Hoare triple {8516#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {8516#false} is VALID [2022-04-28 03:56:35,085 INFO L290 TraceCheckUtils]: 29: Hoare triple {8516#false} ~cond := #in~cond; {8516#false} is VALID [2022-04-28 03:56:35,085 INFO L290 TraceCheckUtils]: 30: Hoare triple {8516#false} assume 0 == ~cond; {8516#false} is VALID [2022-04-28 03:56:35,085 INFO L290 TraceCheckUtils]: 31: Hoare triple {8516#false} assume !false; {8516#false} is VALID [2022-04-28 03:56:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:35,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:35,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361245248] [2022-04-28 03:56:35,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361245248] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:35,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645755993] [2022-04-28 03:56:35,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:56:35,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:35,086 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:35,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-28 03:56:35,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:56:35,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:35,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 41 conjunts are in the unsatisfiable core [2022-04-28 03:56:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:35,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:35,459 INFO L272 TraceCheckUtils]: 0: Hoare triple {8515#true} call ULTIMATE.init(); {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L290 TraceCheckUtils]: 1: Hoare triple {8515#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L290 TraceCheckUtils]: 2: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L272 TraceCheckUtils]: 4: Hoare triple {8515#true} call #t~ret7 := main(); {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L290 TraceCheckUtils]: 5: Hoare triple {8515#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L290 TraceCheckUtils]: 6: Hoare triple {8515#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {8515#true} is VALID [2022-04-28 03:56:35,460 INFO L290 TraceCheckUtils]: 7: Hoare triple {8515#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8520#(= main_~z~0 0)} is VALID [2022-04-28 03:56:35,461 INFO L290 TraceCheckUtils]: 8: Hoare triple {8520#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:35,461 INFO L290 TraceCheckUtils]: 9: Hoare triple {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:35,462 INFO L290 TraceCheckUtils]: 10: Hoare triple {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:35,462 INFO L290 TraceCheckUtils]: 11: Hoare triple {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:35,463 INFO L290 TraceCheckUtils]: 12: Hoare triple {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:35,463 INFO L290 TraceCheckUtils]: 13: Hoare triple {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:35,464 INFO L290 TraceCheckUtils]: 14: Hoare triple {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:35,464 INFO L290 TraceCheckUtils]: 15: Hoare triple {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:35,464 INFO L290 TraceCheckUtils]: 16: Hoare triple {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:35,465 INFO L290 TraceCheckUtils]: 17: Hoare triple {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:35,465 INFO L290 TraceCheckUtils]: 18: Hoare triple {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:35,466 INFO L290 TraceCheckUtils]: 19: Hoare triple {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:35,466 INFO L290 TraceCheckUtils]: 20: Hoare triple {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:35,467 INFO L290 TraceCheckUtils]: 21: Hoare triple {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:35,467 INFO L290 TraceCheckUtils]: 22: Hoare triple {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:35,468 INFO L290 TraceCheckUtils]: 23: Hoare triple {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:35,468 INFO L290 TraceCheckUtils]: 24: Hoare triple {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:35,469 INFO L290 TraceCheckUtils]: 25: Hoare triple {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:35,469 INFO L290 TraceCheckUtils]: 26: Hoare triple {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8622#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:35,470 INFO L290 TraceCheckUtils]: 27: Hoare triple {8622#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !(~z~0 % 4294967296 < 268435455); {8516#false} is VALID [2022-04-28 03:56:35,470 INFO L272 TraceCheckUtils]: 28: Hoare triple {8516#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {8516#false} is VALID [2022-04-28 03:56:35,470 INFO L290 TraceCheckUtils]: 29: Hoare triple {8516#false} ~cond := #in~cond; {8516#false} is VALID [2022-04-28 03:56:35,470 INFO L290 TraceCheckUtils]: 30: Hoare triple {8516#false} assume 0 == ~cond; {8516#false} is VALID [2022-04-28 03:56:35,470 INFO L290 TraceCheckUtils]: 31: Hoare triple {8516#false} assume !false; {8516#false} is VALID [2022-04-28 03:56:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:35,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:36,156 INFO L290 TraceCheckUtils]: 31: Hoare triple {8516#false} assume !false; {8516#false} is VALID [2022-04-28 03:56:36,157 INFO L290 TraceCheckUtils]: 30: Hoare triple {8516#false} assume 0 == ~cond; {8516#false} is VALID [2022-04-28 03:56:36,157 INFO L290 TraceCheckUtils]: 29: Hoare triple {8516#false} ~cond := #in~cond; {8516#false} is VALID [2022-04-28 03:56:36,157 INFO L272 TraceCheckUtils]: 28: Hoare triple {8516#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {8516#false} is VALID [2022-04-28 03:56:36,157 INFO L290 TraceCheckUtils]: 27: Hoare triple {8650#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {8516#false} is VALID [2022-04-28 03:56:36,158 INFO L290 TraceCheckUtils]: 26: Hoare triple {8654#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8650#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,158 INFO L290 TraceCheckUtils]: 25: Hoare triple {8658#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8654#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,159 INFO L290 TraceCheckUtils]: 24: Hoare triple {8662#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8658#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,160 INFO L290 TraceCheckUtils]: 23: Hoare triple {8666#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8662#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,160 INFO L290 TraceCheckUtils]: 22: Hoare triple {8670#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8666#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,161 INFO L290 TraceCheckUtils]: 21: Hoare triple {8674#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8670#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,161 INFO L290 TraceCheckUtils]: 20: Hoare triple {8678#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8674#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,162 INFO L290 TraceCheckUtils]: 19: Hoare triple {8682#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8678#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,163 INFO L290 TraceCheckUtils]: 18: Hoare triple {8686#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8682#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,163 INFO L290 TraceCheckUtils]: 17: Hoare triple {8690#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8686#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,164 INFO L290 TraceCheckUtils]: 16: Hoare triple {8694#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8690#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,164 INFO L290 TraceCheckUtils]: 15: Hoare triple {8698#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8694#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,165 INFO L290 TraceCheckUtils]: 14: Hoare triple {8702#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8698#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,166 INFO L290 TraceCheckUtils]: 13: Hoare triple {8706#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8702#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,166 INFO L290 TraceCheckUtils]: 12: Hoare triple {8710#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8706#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,180 INFO L290 TraceCheckUtils]: 11: Hoare triple {8714#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8710#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,181 INFO L290 TraceCheckUtils]: 10: Hoare triple {8718#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8714#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,182 INFO L290 TraceCheckUtils]: 9: Hoare triple {8722#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8718#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,182 INFO L290 TraceCheckUtils]: 8: Hoare triple {8726#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8722#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,183 INFO L290 TraceCheckUtils]: 7: Hoare triple {8515#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8726#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:36,183 INFO L290 TraceCheckUtils]: 6: Hoare triple {8515#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L290 TraceCheckUtils]: 5: Hoare triple {8515#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L272 TraceCheckUtils]: 4: Hoare triple {8515#true} call #t~ret7 := main(); {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L290 TraceCheckUtils]: 2: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L290 TraceCheckUtils]: 1: Hoare triple {8515#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L272 TraceCheckUtils]: 0: Hoare triple {8515#true} call ULTIMATE.init(); {8515#true} is VALID [2022-04-28 03:56:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:36,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645755993] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:36,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:36,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 44 [2022-04-28 03:56:36,184 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:36,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1780644280] [2022-04-28 03:56:36,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1780644280] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:36,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:36,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-04-28 03:56:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673516937] [2022-04-28 03:56:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:36,185 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-04-28 03:56:36,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:36,185 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:36,202 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:36,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-04-28 03:56:36,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:36,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-04-28 03:56:36,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=1367, Unknown=0, NotChecked=0, Total=1892 [2022-04-28 03:56:36,203 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:37,337 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-04-28 03:56:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-28 03:56:37,337 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-04-28 03:56:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 65 transitions. [2022-04-28 03:56:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 65 transitions. [2022-04-28 03:56:37,339 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 23 states and 65 transitions. [2022-04-28 03:56:37,381 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:37,382 INFO L225 Difference]: With dead ends: 77 [2022-04-28 03:56:37,382 INFO L226 Difference]: Without dead ends: 43 [2022-04-28 03:56:37,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1043, Invalid=2989, Unknown=0, NotChecked=0, Total=4032 [2022-04-28 03:56:37,383 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:37,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 03:56:37,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-28 03:56:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2022-04-28 03:56:37,408 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:37,408 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:37,408 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:37,408 INFO L87 Difference]: Start difference. First operand 43 states. Second operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:37,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:37,409 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-04-28 03:56:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-04-28 03:56:37,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:37,409 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:37,409 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 43 states. [2022-04-28 03:56:37,409 INFO L87 Difference]: Start difference. First operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 43 states. [2022-04-28 03:56:37,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:37,410 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-04-28 03:56:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-04-28 03:56:37,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:37,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:37,410 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:37,410 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2022-04-28 03:56:37,411 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 32 [2022-04-28 03:56:37,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:37,411 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2022-04-28 03:56:37,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:37,411 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 42 states and 46 transitions. [2022-04-28 03:56:37,457 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-04-28 03:56:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-28 03:56:37,457 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:37,457 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:37,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:37,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:37,658 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:37,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:37,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1109669054, now seen corresponding path program 39 times [2022-04-28 03:56:37,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:37,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1868695068] [2022-04-28 03:56:40,270 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:40,398 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:40,400 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:40,401 INFO L85 PathProgramCache]: Analyzing trace with hash 844492419, now seen corresponding path program 1 times [2022-04-28 03:56:40,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:40,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818123780] [2022-04-28 03:56:40,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:40,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:40,408 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:40,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:40,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1109669054, now seen corresponding path program 40 times [2022-04-28 03:56:40,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:40,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215932918] [2022-04-28 03:56:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:40,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:40,741 INFO L290 TraceCheckUtils]: 0: Hoare triple {9144#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L290 TraceCheckUtils]: 1: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L272 TraceCheckUtils]: 0: Hoare triple {9118#true} call ULTIMATE.init(); {9144#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:40,742 INFO L290 TraceCheckUtils]: 1: Hoare triple {9144#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L290 TraceCheckUtils]: 2: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L272 TraceCheckUtils]: 4: Hoare triple {9118#true} call #t~ret7 := main(); {9118#true} is VALID [2022-04-28 03:56:40,742 INFO L290 TraceCheckUtils]: 5: Hoare triple {9118#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9118#true} is VALID [2022-04-28 03:56:40,743 INFO L290 TraceCheckUtils]: 6: Hoare triple {9118#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9118#true} is VALID [2022-04-28 03:56:40,743 INFO L290 TraceCheckUtils]: 7: Hoare triple {9118#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9123#(= main_~z~0 0)} is VALID [2022-04-28 03:56:40,743 INFO L290 TraceCheckUtils]: 8: Hoare triple {9123#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:40,744 INFO L290 TraceCheckUtils]: 9: Hoare triple {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:40,744 INFO L290 TraceCheckUtils]: 10: Hoare triple {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:40,745 INFO L290 TraceCheckUtils]: 11: Hoare triple {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:40,745 INFO L290 TraceCheckUtils]: 12: Hoare triple {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:40,746 INFO L290 TraceCheckUtils]: 13: Hoare triple {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:40,746 INFO L290 TraceCheckUtils]: 14: Hoare triple {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:40,747 INFO L290 TraceCheckUtils]: 15: Hoare triple {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:40,747 INFO L290 TraceCheckUtils]: 16: Hoare triple {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:40,747 INFO L290 TraceCheckUtils]: 17: Hoare triple {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:40,748 INFO L290 TraceCheckUtils]: 18: Hoare triple {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:40,748 INFO L290 TraceCheckUtils]: 19: Hoare triple {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:40,749 INFO L290 TraceCheckUtils]: 20: Hoare triple {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:40,749 INFO L290 TraceCheckUtils]: 21: Hoare triple {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:40,750 INFO L290 TraceCheckUtils]: 22: Hoare triple {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:40,750 INFO L290 TraceCheckUtils]: 23: Hoare triple {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:40,751 INFO L290 TraceCheckUtils]: 24: Hoare triple {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:40,751 INFO L290 TraceCheckUtils]: 25: Hoare triple {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:40,752 INFO L290 TraceCheckUtils]: 26: Hoare triple {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:40,752 INFO L290 TraceCheckUtils]: 27: Hoare triple {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9143#(and (<= main_~z~0 20) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:56:40,753 INFO L290 TraceCheckUtils]: 28: Hoare triple {9143#(and (<= main_~z~0 20) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {9119#false} is VALID [2022-04-28 03:56:40,753 INFO L272 TraceCheckUtils]: 29: Hoare triple {9119#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9119#false} is VALID [2022-04-28 03:56:40,753 INFO L290 TraceCheckUtils]: 30: Hoare triple {9119#false} ~cond := #in~cond; {9119#false} is VALID [2022-04-28 03:56:40,753 INFO L290 TraceCheckUtils]: 31: Hoare triple {9119#false} assume 0 == ~cond; {9119#false} is VALID [2022-04-28 03:56:40,753 INFO L290 TraceCheckUtils]: 32: Hoare triple {9119#false} assume !false; {9119#false} is VALID [2022-04-28 03:56:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:40,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:40,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215932918] [2022-04-28 03:56:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215932918] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472618304] [2022-04-28 03:56:40,754 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:56:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:40,755 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:40,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-28 03:56:40,803 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:56:40,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:40,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 43 conjunts are in the unsatisfiable core [2022-04-28 03:56:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:40,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:41,120 INFO L272 TraceCheckUtils]: 0: Hoare triple {9118#true} call ULTIMATE.init(); {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L290 TraceCheckUtils]: 1: Hoare triple {9118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L290 TraceCheckUtils]: 2: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L272 TraceCheckUtils]: 4: Hoare triple {9118#true} call #t~ret7 := main(); {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L290 TraceCheckUtils]: 5: Hoare triple {9118#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L290 TraceCheckUtils]: 6: Hoare triple {9118#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9118#true} is VALID [2022-04-28 03:56:41,121 INFO L290 TraceCheckUtils]: 7: Hoare triple {9118#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9123#(= main_~z~0 0)} is VALID [2022-04-28 03:56:41,122 INFO L290 TraceCheckUtils]: 8: Hoare triple {9123#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:41,122 INFO L290 TraceCheckUtils]: 9: Hoare triple {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:41,123 INFO L290 TraceCheckUtils]: 10: Hoare triple {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:41,123 INFO L290 TraceCheckUtils]: 11: Hoare triple {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:41,124 INFO L290 TraceCheckUtils]: 12: Hoare triple {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:41,124 INFO L290 TraceCheckUtils]: 13: Hoare triple {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:41,125 INFO L290 TraceCheckUtils]: 14: Hoare triple {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:41,125 INFO L290 TraceCheckUtils]: 15: Hoare triple {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:41,126 INFO L290 TraceCheckUtils]: 16: Hoare triple {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:41,126 INFO L290 TraceCheckUtils]: 17: Hoare triple {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:41,127 INFO L290 TraceCheckUtils]: 18: Hoare triple {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:41,127 INFO L290 TraceCheckUtils]: 19: Hoare triple {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:41,128 INFO L290 TraceCheckUtils]: 20: Hoare triple {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:41,128 INFO L290 TraceCheckUtils]: 21: Hoare triple {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:41,128 INFO L290 TraceCheckUtils]: 22: Hoare triple {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:41,129 INFO L290 TraceCheckUtils]: 23: Hoare triple {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:41,129 INFO L290 TraceCheckUtils]: 24: Hoare triple {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:41,130 INFO L290 TraceCheckUtils]: 25: Hoare triple {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:41,130 INFO L290 TraceCheckUtils]: 26: Hoare triple {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:41,131 INFO L290 TraceCheckUtils]: 27: Hoare triple {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9229#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:41,131 INFO L290 TraceCheckUtils]: 28: Hoare triple {9229#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {9119#false} is VALID [2022-04-28 03:56:41,131 INFO L272 TraceCheckUtils]: 29: Hoare triple {9119#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9119#false} is VALID [2022-04-28 03:56:41,132 INFO L290 TraceCheckUtils]: 30: Hoare triple {9119#false} ~cond := #in~cond; {9119#false} is VALID [2022-04-28 03:56:41,132 INFO L290 TraceCheckUtils]: 31: Hoare triple {9119#false} assume 0 == ~cond; {9119#false} is VALID [2022-04-28 03:56:41,132 INFO L290 TraceCheckUtils]: 32: Hoare triple {9119#false} assume !false; {9119#false} is VALID [2022-04-28 03:56:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:41,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:41,873 INFO L290 TraceCheckUtils]: 32: Hoare triple {9119#false} assume !false; {9119#false} is VALID [2022-04-28 03:56:41,873 INFO L290 TraceCheckUtils]: 31: Hoare triple {9119#false} assume 0 == ~cond; {9119#false} is VALID [2022-04-28 03:56:41,873 INFO L290 TraceCheckUtils]: 30: Hoare triple {9119#false} ~cond := #in~cond; {9119#false} is VALID [2022-04-28 03:56:41,873 INFO L272 TraceCheckUtils]: 29: Hoare triple {9119#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9119#false} is VALID [2022-04-28 03:56:41,874 INFO L290 TraceCheckUtils]: 28: Hoare triple {9257#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {9119#false} is VALID [2022-04-28 03:56:41,874 INFO L290 TraceCheckUtils]: 27: Hoare triple {9261#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9257#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,875 INFO L290 TraceCheckUtils]: 26: Hoare triple {9265#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9261#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,875 INFO L290 TraceCheckUtils]: 25: Hoare triple {9269#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9265#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,876 INFO L290 TraceCheckUtils]: 24: Hoare triple {9273#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9269#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,877 INFO L290 TraceCheckUtils]: 23: Hoare triple {9277#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9273#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,877 INFO L290 TraceCheckUtils]: 22: Hoare triple {9281#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9277#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,878 INFO L290 TraceCheckUtils]: 21: Hoare triple {9285#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9281#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,878 INFO L290 TraceCheckUtils]: 20: Hoare triple {9289#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9285#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,879 INFO L290 TraceCheckUtils]: 19: Hoare triple {9293#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9289#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,880 INFO L290 TraceCheckUtils]: 18: Hoare triple {9297#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9293#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,880 INFO L290 TraceCheckUtils]: 17: Hoare triple {9301#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9297#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,881 INFO L290 TraceCheckUtils]: 16: Hoare triple {9305#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9301#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,882 INFO L290 TraceCheckUtils]: 15: Hoare triple {9309#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9305#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,882 INFO L290 TraceCheckUtils]: 14: Hoare triple {9313#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9309#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,883 INFO L290 TraceCheckUtils]: 13: Hoare triple {9317#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9313#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,883 INFO L290 TraceCheckUtils]: 12: Hoare triple {9321#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9317#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,884 INFO L290 TraceCheckUtils]: 11: Hoare triple {9325#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9321#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,884 INFO L290 TraceCheckUtils]: 10: Hoare triple {9329#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9325#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,885 INFO L290 TraceCheckUtils]: 9: Hoare triple {9333#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9329#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,886 INFO L290 TraceCheckUtils]: 8: Hoare triple {9337#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9333#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,886 INFO L290 TraceCheckUtils]: 7: Hoare triple {9118#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9337#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:56:41,886 INFO L290 TraceCheckUtils]: 6: Hoare triple {9118#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9118#true} is VALID [2022-04-28 03:56:41,886 INFO L290 TraceCheckUtils]: 5: Hoare triple {9118#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9118#true} is VALID [2022-04-28 03:56:41,886 INFO L272 TraceCheckUtils]: 4: Hoare triple {9118#true} call #t~ret7 := main(); {9118#true} is VALID [2022-04-28 03:56:41,886 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 03:56:41,886 INFO L290 TraceCheckUtils]: 2: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 03:56:41,886 INFO L290 TraceCheckUtils]: 1: Hoare triple {9118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 03:56:41,886 INFO L272 TraceCheckUtils]: 0: Hoare triple {9118#true} call ULTIMATE.init(); {9118#true} is VALID [2022-04-28 03:56:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:41,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472618304] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:41,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:41,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 46 [2022-04-28 03:56:41,887 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:41,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1868695068] [2022-04-28 03:56:41,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1868695068] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:41,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:41,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-04-28 03:56:41,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094670731] [2022-04-28 03:56:41,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:41,888 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-04-28 03:56:41,888 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:41,888 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:41,907 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:41,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-04-28 03:56:41,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:41,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-04-28 03:56:41,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2022-04-28 03:56:41,908 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:42,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:42,997 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2022-04-28 03:56:42,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-04-28 03:56:42,997 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-04-28 03:56:42,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:42,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 66 transitions. [2022-04-28 03:56:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:42,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 66 transitions. [2022-04-28 03:56:42,999 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 24 states and 66 transitions. [2022-04-28 03:56:43,051 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:43,052 INFO L225 Difference]: With dead ends: 79 [2022-04-28 03:56:43,052 INFO L226 Difference]: Without dead ends: 44 [2022-04-28 03:56:43,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1137, Invalid=3285, Unknown=0, NotChecked=0, Total=4422 [2022-04-28 03:56:43,054 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:43,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 03:56:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-28 03:56:43,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2022-04-28 03:56:43,082 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:43,083 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:43,083 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:43,083 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:43,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:43,084 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-04-28 03:56:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-28 03:56:43,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:43,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:43,085 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 44 states. [2022-04-28 03:56:43,085 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 44 states. [2022-04-28 03:56:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:43,085 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-04-28 03:56:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-28 03:56:43,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:43,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:43,086 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:43,086 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-04-28 03:56:43,087 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 33 [2022-04-28 03:56:43,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:43,087 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-04-28 03:56:43,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:43,089 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 47 transitions. [2022-04-28 03:56:43,132 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-04-28 03:56:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-28 03:56:43,133 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:43,133 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:43,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:43,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43 [2022-04-28 03:56:43,335 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:43,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:43,336 INFO L85 PathProgramCache]: Analyzing trace with hash -13699742, now seen corresponding path program 41 times [2022-04-28 03:56:43,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:43,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1811816927] [2022-04-28 03:56:45,907 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:46,068 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:46,069 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash 903597763, now seen corresponding path program 1 times [2022-04-28 03:56:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:46,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948971245] [2022-04-28 03:56:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:46,082 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:46,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:46,087 INFO L85 PathProgramCache]: Analyzing trace with hash -13699742, now seen corresponding path program 42 times [2022-04-28 03:56:46,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:46,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892576729] [2022-04-28 03:56:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:46,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:46,474 INFO L290 TraceCheckUtils]: 0: Hoare triple {9766#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 03:56:46,474 INFO L290 TraceCheckUtils]: 1: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 03:56:46,474 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 03:56:46,475 INFO L272 TraceCheckUtils]: 0: Hoare triple {9739#true} call ULTIMATE.init(); {9766#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:46,475 INFO L290 TraceCheckUtils]: 1: Hoare triple {9766#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 03:56:46,475 INFO L290 TraceCheckUtils]: 2: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 03:56:46,475 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 03:56:46,475 INFO L272 TraceCheckUtils]: 4: Hoare triple {9739#true} call #t~ret7 := main(); {9739#true} is VALID [2022-04-28 03:56:46,475 INFO L290 TraceCheckUtils]: 5: Hoare triple {9739#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9739#true} is VALID [2022-04-28 03:56:46,475 INFO L290 TraceCheckUtils]: 6: Hoare triple {9739#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9739#true} is VALID [2022-04-28 03:56:46,476 INFO L290 TraceCheckUtils]: 7: Hoare triple {9739#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9744#(= main_~z~0 0)} is VALID [2022-04-28 03:56:46,476 INFO L290 TraceCheckUtils]: 8: Hoare triple {9744#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:46,477 INFO L290 TraceCheckUtils]: 9: Hoare triple {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:46,477 INFO L290 TraceCheckUtils]: 10: Hoare triple {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:46,478 INFO L290 TraceCheckUtils]: 11: Hoare triple {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:46,478 INFO L290 TraceCheckUtils]: 12: Hoare triple {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:46,478 INFO L290 TraceCheckUtils]: 13: Hoare triple {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:46,479 INFO L290 TraceCheckUtils]: 14: Hoare triple {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:46,479 INFO L290 TraceCheckUtils]: 15: Hoare triple {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:46,480 INFO L290 TraceCheckUtils]: 16: Hoare triple {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:46,480 INFO L290 TraceCheckUtils]: 17: Hoare triple {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:46,489 INFO L290 TraceCheckUtils]: 18: Hoare triple {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:46,490 INFO L290 TraceCheckUtils]: 19: Hoare triple {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:46,490 INFO L290 TraceCheckUtils]: 20: Hoare triple {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:46,491 INFO L290 TraceCheckUtils]: 21: Hoare triple {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:46,491 INFO L290 TraceCheckUtils]: 22: Hoare triple {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:46,492 INFO L290 TraceCheckUtils]: 23: Hoare triple {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:46,492 INFO L290 TraceCheckUtils]: 24: Hoare triple {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:46,493 INFO L290 TraceCheckUtils]: 25: Hoare triple {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:46,493 INFO L290 TraceCheckUtils]: 26: Hoare triple {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:46,494 INFO L290 TraceCheckUtils]: 27: Hoare triple {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:46,494 INFO L290 TraceCheckUtils]: 28: Hoare triple {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9765#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 21))} is VALID [2022-04-28 03:56:46,495 INFO L290 TraceCheckUtils]: 29: Hoare triple {9765#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 21))} assume !(~z~0 % 4294967296 < 268435455); {9740#false} is VALID [2022-04-28 03:56:46,495 INFO L272 TraceCheckUtils]: 30: Hoare triple {9740#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9740#false} is VALID [2022-04-28 03:56:46,495 INFO L290 TraceCheckUtils]: 31: Hoare triple {9740#false} ~cond := #in~cond; {9740#false} is VALID [2022-04-28 03:56:46,495 INFO L290 TraceCheckUtils]: 32: Hoare triple {9740#false} assume 0 == ~cond; {9740#false} is VALID [2022-04-28 03:56:46,495 INFO L290 TraceCheckUtils]: 33: Hoare triple {9740#false} assume !false; {9740#false} is VALID [2022-04-28 03:56:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:46,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:46,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892576729] [2022-04-28 03:56:46,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892576729] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:46,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018450169] [2022-04-28 03:56:46,496 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:56:46,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:46,497 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:46,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-04-28 03:56:46,647 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-04-28 03:56:46,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:46,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2022-04-28 03:56:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:46,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:46,949 INFO L272 TraceCheckUtils]: 0: Hoare triple {9739#true} call ULTIMATE.init(); {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L290 TraceCheckUtils]: 1: Hoare triple {9739#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L290 TraceCheckUtils]: 2: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L272 TraceCheckUtils]: 4: Hoare triple {9739#true} call #t~ret7 := main(); {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L290 TraceCheckUtils]: 5: Hoare triple {9739#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L290 TraceCheckUtils]: 6: Hoare triple {9739#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9739#true} is VALID [2022-04-28 03:56:46,949 INFO L290 TraceCheckUtils]: 7: Hoare triple {9739#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9744#(= main_~z~0 0)} is VALID [2022-04-28 03:56:46,950 INFO L290 TraceCheckUtils]: 8: Hoare triple {9744#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:46,950 INFO L290 TraceCheckUtils]: 9: Hoare triple {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:46,951 INFO L290 TraceCheckUtils]: 10: Hoare triple {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:46,951 INFO L290 TraceCheckUtils]: 11: Hoare triple {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:46,952 INFO L290 TraceCheckUtils]: 12: Hoare triple {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:46,952 INFO L290 TraceCheckUtils]: 13: Hoare triple {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:46,967 INFO L290 TraceCheckUtils]: 14: Hoare triple {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:46,968 INFO L290 TraceCheckUtils]: 15: Hoare triple {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:46,968 INFO L290 TraceCheckUtils]: 16: Hoare triple {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:46,969 INFO L290 TraceCheckUtils]: 17: Hoare triple {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:46,969 INFO L290 TraceCheckUtils]: 18: Hoare triple {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:46,970 INFO L290 TraceCheckUtils]: 19: Hoare triple {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:46,970 INFO L290 TraceCheckUtils]: 20: Hoare triple {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:46,971 INFO L290 TraceCheckUtils]: 21: Hoare triple {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:46,971 INFO L290 TraceCheckUtils]: 22: Hoare triple {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:46,972 INFO L290 TraceCheckUtils]: 23: Hoare triple {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:46,972 INFO L290 TraceCheckUtils]: 24: Hoare triple {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:46,973 INFO L290 TraceCheckUtils]: 25: Hoare triple {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:46,973 INFO L290 TraceCheckUtils]: 26: Hoare triple {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:46,974 INFO L290 TraceCheckUtils]: 27: Hoare triple {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:46,974 INFO L290 TraceCheckUtils]: 28: Hoare triple {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9854#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:56:46,975 INFO L290 TraceCheckUtils]: 29: Hoare triple {9854#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {9740#false} is VALID [2022-04-28 03:56:46,975 INFO L272 TraceCheckUtils]: 30: Hoare triple {9740#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9740#false} is VALID [2022-04-28 03:56:46,975 INFO L290 TraceCheckUtils]: 31: Hoare triple {9740#false} ~cond := #in~cond; {9740#false} is VALID [2022-04-28 03:56:46,975 INFO L290 TraceCheckUtils]: 32: Hoare triple {9740#false} assume 0 == ~cond; {9740#false} is VALID [2022-04-28 03:56:46,975 INFO L290 TraceCheckUtils]: 33: Hoare triple {9740#false} assume !false; {9740#false} is VALID [2022-04-28 03:56:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:46,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:47,791 INFO L290 TraceCheckUtils]: 33: Hoare triple {9740#false} assume !false; {9740#false} is VALID [2022-04-28 03:56:47,792 INFO L290 TraceCheckUtils]: 32: Hoare triple {9740#false} assume 0 == ~cond; {9740#false} is VALID [2022-04-28 03:56:47,792 INFO L290 TraceCheckUtils]: 31: Hoare triple {9740#false} ~cond := #in~cond; {9740#false} is VALID [2022-04-28 03:56:47,792 INFO L272 TraceCheckUtils]: 30: Hoare triple {9740#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9740#false} is VALID [2022-04-28 03:56:47,792 INFO L290 TraceCheckUtils]: 29: Hoare triple {9882#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {9740#false} is VALID [2022-04-28 03:56:47,793 INFO L290 TraceCheckUtils]: 28: Hoare triple {9886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9882#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,794 INFO L290 TraceCheckUtils]: 27: Hoare triple {9890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,794 INFO L290 TraceCheckUtils]: 26: Hoare triple {9894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,795 INFO L290 TraceCheckUtils]: 25: Hoare triple {9898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,795 INFO L290 TraceCheckUtils]: 24: Hoare triple {9902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,796 INFO L290 TraceCheckUtils]: 23: Hoare triple {9906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,797 INFO L290 TraceCheckUtils]: 22: Hoare triple {9910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,797 INFO L290 TraceCheckUtils]: 21: Hoare triple {9914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,798 INFO L290 TraceCheckUtils]: 20: Hoare triple {9918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,798 INFO L290 TraceCheckUtils]: 19: Hoare triple {9922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,799 INFO L290 TraceCheckUtils]: 18: Hoare triple {9926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,800 INFO L290 TraceCheckUtils]: 17: Hoare triple {9930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,800 INFO L290 TraceCheckUtils]: 16: Hoare triple {9934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,801 INFO L290 TraceCheckUtils]: 15: Hoare triple {9938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,801 INFO L290 TraceCheckUtils]: 14: Hoare triple {9942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,802 INFO L290 TraceCheckUtils]: 13: Hoare triple {9946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,802 INFO L290 TraceCheckUtils]: 12: Hoare triple {9950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,803 INFO L290 TraceCheckUtils]: 11: Hoare triple {9954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,804 INFO L290 TraceCheckUtils]: 10: Hoare triple {9958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,804 INFO L290 TraceCheckUtils]: 9: Hoare triple {9962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,805 INFO L290 TraceCheckUtils]: 8: Hoare triple {9966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,805 INFO L290 TraceCheckUtils]: 7: Hoare triple {9739#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:56:47,805 INFO L290 TraceCheckUtils]: 6: Hoare triple {9739#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9739#true} is VALID [2022-04-28 03:56:47,805 INFO L290 TraceCheckUtils]: 5: Hoare triple {9739#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9739#true} is VALID [2022-04-28 03:56:47,805 INFO L272 TraceCheckUtils]: 4: Hoare triple {9739#true} call #t~ret7 := main(); {9739#true} is VALID [2022-04-28 03:56:47,805 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 03:56:47,806 INFO L290 TraceCheckUtils]: 2: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 03:56:47,806 INFO L290 TraceCheckUtils]: 1: Hoare triple {9739#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 03:56:47,806 INFO L272 TraceCheckUtils]: 0: Hoare triple {9739#true} call ULTIMATE.init(); {9739#true} is VALID [2022-04-28 03:56:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:47,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018450169] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:47,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:47,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 48 [2022-04-28 03:56:47,806 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:47,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1811816927] [2022-04-28 03:56:47,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1811816927] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:47,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:47,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-04-28 03:56:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171442675] [2022-04-28 03:56:47,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:47,807 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-04-28 03:56:47,807 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:47,807 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:47,826 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:47,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-04-28 03:56:47,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-04-28 03:56:47,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1635, Unknown=0, NotChecked=0, Total=2256 [2022-04-28 03:56:47,827 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:49,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:49,119 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2022-04-28 03:56:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-04-28 03:56:49,119 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-04-28 03:56:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 67 transitions. [2022-04-28 03:56:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 67 transitions. [2022-04-28 03:56:49,123 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 25 states and 67 transitions. [2022-04-28 03:56:49,174 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:49,174 INFO L225 Difference]: With dead ends: 81 [2022-04-28 03:56:49,174 INFO L226 Difference]: Without dead ends: 45 [2022-04-28 03:56:49,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1235, Invalid=3595, Unknown=0, NotChecked=0, Total=4830 [2022-04-28 03:56:49,176 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:49,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 78 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-28 03:56:49,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-28 03:56:49,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2022-04-28 03:56:49,203 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:49,204 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:49,204 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:49,204 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:49,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:49,205 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-04-28 03:56:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-04-28 03:56:49,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:49,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:49,205 INFO L74 IsIncluded]: Start isIncluded. First operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 45 states. [2022-04-28 03:56:49,205 INFO L87 Difference]: Start difference. First operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 45 states. [2022-04-28 03:56:49,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:49,207 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-04-28 03:56:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-04-28 03:56:49,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:49,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:49,208 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:49,208 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2022-04-28 03:56:49,209 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 34 [2022-04-28 03:56:49,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:49,209 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2022-04-28 03:56:49,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:49,209 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 44 states and 48 transitions. [2022-04-28 03:56:49,252 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-28 03:56:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-04-28 03:56:49,252 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:49,253 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:49,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:49,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45 [2022-04-28 03:56:49,457 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:49,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:49,457 INFO L85 PathProgramCache]: Analyzing trace with hash -398389438, now seen corresponding path program 43 times [2022-04-28 03:56:49,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:49,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1958210512] [2022-04-28 03:56:52,646 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:56:52,783 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:52,784 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:52,785 INFO L85 PathProgramCache]: Analyzing trace with hash 962703107, now seen corresponding path program 1 times [2022-04-28 03:56:52,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:52,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976483800] [2022-04-28 03:56:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:52,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:52,791 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:52,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:52,795 INFO L85 PathProgramCache]: Analyzing trace with hash -398389438, now seen corresponding path program 44 times [2022-04-28 03:56:52,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:52,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885150435] [2022-04-28 03:56:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:52,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:53,171 INFO L290 TraceCheckUtils]: 0: Hoare triple {10406#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 03:56:53,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 03:56:53,171 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 03:56:53,171 INFO L272 TraceCheckUtils]: 0: Hoare triple {10378#true} call ULTIMATE.init(); {10406#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:53,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {10406#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 03:56:53,172 INFO L290 TraceCheckUtils]: 2: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 03:56:53,172 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 03:56:53,172 INFO L272 TraceCheckUtils]: 4: Hoare triple {10378#true} call #t~ret7 := main(); {10378#true} is VALID [2022-04-28 03:56:53,172 INFO L290 TraceCheckUtils]: 5: Hoare triple {10378#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {10378#true} is VALID [2022-04-28 03:56:53,172 INFO L290 TraceCheckUtils]: 6: Hoare triple {10378#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {10378#true} is VALID [2022-04-28 03:56:53,172 INFO L290 TraceCheckUtils]: 7: Hoare triple {10378#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {10383#(= main_~z~0 0)} is VALID [2022-04-28 03:56:53,172 INFO L290 TraceCheckUtils]: 8: Hoare triple {10383#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:53,173 INFO L290 TraceCheckUtils]: 9: Hoare triple {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:53,173 INFO L290 TraceCheckUtils]: 10: Hoare triple {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:53,174 INFO L290 TraceCheckUtils]: 11: Hoare triple {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:53,174 INFO L290 TraceCheckUtils]: 12: Hoare triple {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:53,175 INFO L290 TraceCheckUtils]: 13: Hoare triple {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:53,175 INFO L290 TraceCheckUtils]: 14: Hoare triple {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:53,176 INFO L290 TraceCheckUtils]: 15: Hoare triple {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:53,176 INFO L290 TraceCheckUtils]: 16: Hoare triple {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:53,177 INFO L290 TraceCheckUtils]: 17: Hoare triple {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:53,177 INFO L290 TraceCheckUtils]: 18: Hoare triple {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:53,178 INFO L290 TraceCheckUtils]: 19: Hoare triple {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:53,178 INFO L290 TraceCheckUtils]: 20: Hoare triple {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:53,179 INFO L290 TraceCheckUtils]: 21: Hoare triple {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:53,179 INFO L290 TraceCheckUtils]: 22: Hoare triple {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:53,180 INFO L290 TraceCheckUtils]: 23: Hoare triple {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:53,180 INFO L290 TraceCheckUtils]: 24: Hoare triple {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:53,180 INFO L290 TraceCheckUtils]: 25: Hoare triple {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:53,181 INFO L290 TraceCheckUtils]: 26: Hoare triple {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:53,181 INFO L290 TraceCheckUtils]: 27: Hoare triple {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:53,182 INFO L290 TraceCheckUtils]: 28: Hoare triple {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:56:53,182 INFO L290 TraceCheckUtils]: 29: Hoare triple {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10405#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 22))} is VALID [2022-04-28 03:56:53,183 INFO L290 TraceCheckUtils]: 30: Hoare triple {10405#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 22))} assume !(~z~0 % 4294967296 < 268435455); {10379#false} is VALID [2022-04-28 03:56:53,183 INFO L272 TraceCheckUtils]: 31: Hoare triple {10379#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {10379#false} is VALID [2022-04-28 03:56:53,183 INFO L290 TraceCheckUtils]: 32: Hoare triple {10379#false} ~cond := #in~cond; {10379#false} is VALID [2022-04-28 03:56:53,183 INFO L290 TraceCheckUtils]: 33: Hoare triple {10379#false} assume 0 == ~cond; {10379#false} is VALID [2022-04-28 03:56:53,183 INFO L290 TraceCheckUtils]: 34: Hoare triple {10379#false} assume !false; {10379#false} is VALID [2022-04-28 03:56:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:53,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:53,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885150435] [2022-04-28 03:56:53,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885150435] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:53,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192322914] [2022-04-28 03:56:53,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:56:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:53,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:53,185 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:53,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-04-28 03:56:53,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:56:53,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:53,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 47 conjunts are in the unsatisfiable core [2022-04-28 03:56:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:53,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:53,573 INFO L272 TraceCheckUtils]: 0: Hoare triple {10378#true} call ULTIMATE.init(); {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L290 TraceCheckUtils]: 1: Hoare triple {10378#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L290 TraceCheckUtils]: 2: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L272 TraceCheckUtils]: 4: Hoare triple {10378#true} call #t~ret7 := main(); {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L290 TraceCheckUtils]: 5: Hoare triple {10378#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L290 TraceCheckUtils]: 6: Hoare triple {10378#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {10378#true} is VALID [2022-04-28 03:56:53,573 INFO L290 TraceCheckUtils]: 7: Hoare triple {10378#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {10383#(= main_~z~0 0)} is VALID [2022-04-28 03:56:53,574 INFO L290 TraceCheckUtils]: 8: Hoare triple {10383#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:53,574 INFO L290 TraceCheckUtils]: 9: Hoare triple {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:53,575 INFO L290 TraceCheckUtils]: 10: Hoare triple {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:53,576 INFO L290 TraceCheckUtils]: 11: Hoare triple {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:53,576 INFO L290 TraceCheckUtils]: 12: Hoare triple {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:53,577 INFO L290 TraceCheckUtils]: 13: Hoare triple {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:53,577 INFO L290 TraceCheckUtils]: 14: Hoare triple {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:53,578 INFO L290 TraceCheckUtils]: 15: Hoare triple {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:53,578 INFO L290 TraceCheckUtils]: 16: Hoare triple {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:53,579 INFO L290 TraceCheckUtils]: 17: Hoare triple {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:53,579 INFO L290 TraceCheckUtils]: 18: Hoare triple {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:53,580 INFO L290 TraceCheckUtils]: 19: Hoare triple {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:53,580 INFO L290 TraceCheckUtils]: 20: Hoare triple {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:53,581 INFO L290 TraceCheckUtils]: 21: Hoare triple {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:53,582 INFO L290 TraceCheckUtils]: 22: Hoare triple {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:53,582 INFO L290 TraceCheckUtils]: 23: Hoare triple {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:53,583 INFO L290 TraceCheckUtils]: 24: Hoare triple {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:53,583 INFO L290 TraceCheckUtils]: 25: Hoare triple {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:53,584 INFO L290 TraceCheckUtils]: 26: Hoare triple {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:53,584 INFO L290 TraceCheckUtils]: 27: Hoare triple {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:53,585 INFO L290 TraceCheckUtils]: 28: Hoare triple {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:56:53,585 INFO L290 TraceCheckUtils]: 29: Hoare triple {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10497#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:56:53,586 INFO L290 TraceCheckUtils]: 30: Hoare triple {10497#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !(~z~0 % 4294967296 < 268435455); {10379#false} is VALID [2022-04-28 03:56:53,586 INFO L272 TraceCheckUtils]: 31: Hoare triple {10379#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {10379#false} is VALID [2022-04-28 03:56:53,586 INFO L290 TraceCheckUtils]: 32: Hoare triple {10379#false} ~cond := #in~cond; {10379#false} is VALID [2022-04-28 03:56:53,586 INFO L290 TraceCheckUtils]: 33: Hoare triple {10379#false} assume 0 == ~cond; {10379#false} is VALID [2022-04-28 03:56:53,586 INFO L290 TraceCheckUtils]: 34: Hoare triple {10379#false} assume !false; {10379#false} is VALID [2022-04-28 03:56:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:53,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:54,461 INFO L290 TraceCheckUtils]: 34: Hoare triple {10379#false} assume !false; {10379#false} is VALID [2022-04-28 03:56:54,461 INFO L290 TraceCheckUtils]: 33: Hoare triple {10379#false} assume 0 == ~cond; {10379#false} is VALID [2022-04-28 03:56:54,461 INFO L290 TraceCheckUtils]: 32: Hoare triple {10379#false} ~cond := #in~cond; {10379#false} is VALID [2022-04-28 03:56:54,462 INFO L272 TraceCheckUtils]: 31: Hoare triple {10379#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {10379#false} is VALID [2022-04-28 03:56:54,462 INFO L290 TraceCheckUtils]: 30: Hoare triple {10525#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {10379#false} is VALID [2022-04-28 03:56:54,462 INFO L290 TraceCheckUtils]: 29: Hoare triple {10529#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10525#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,463 INFO L290 TraceCheckUtils]: 28: Hoare triple {10533#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10529#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,464 INFO L290 TraceCheckUtils]: 27: Hoare triple {10537#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10533#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,464 INFO L290 TraceCheckUtils]: 26: Hoare triple {10541#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10537#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,465 INFO L290 TraceCheckUtils]: 25: Hoare triple {10545#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10541#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,465 INFO L290 TraceCheckUtils]: 24: Hoare triple {10549#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10545#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,466 INFO L290 TraceCheckUtils]: 23: Hoare triple {10553#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10549#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,467 INFO L290 TraceCheckUtils]: 22: Hoare triple {10557#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10553#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,467 INFO L290 TraceCheckUtils]: 21: Hoare triple {10561#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10557#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,468 INFO L290 TraceCheckUtils]: 20: Hoare triple {10565#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10561#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,470 INFO L290 TraceCheckUtils]: 19: Hoare triple {10569#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10565#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,471 INFO L290 TraceCheckUtils]: 18: Hoare triple {10573#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10569#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,472 INFO L290 TraceCheckUtils]: 17: Hoare triple {10577#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10573#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,472 INFO L290 TraceCheckUtils]: 16: Hoare triple {10581#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10577#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,473 INFO L290 TraceCheckUtils]: 15: Hoare triple {10585#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10581#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,473 INFO L290 TraceCheckUtils]: 14: Hoare triple {10589#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10585#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,474 INFO L290 TraceCheckUtils]: 13: Hoare triple {10593#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10589#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,474 INFO L290 TraceCheckUtils]: 12: Hoare triple {10597#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10593#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,475 INFO L290 TraceCheckUtils]: 11: Hoare triple {10601#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10597#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,476 INFO L290 TraceCheckUtils]: 10: Hoare triple {10605#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10601#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,476 INFO L290 TraceCheckUtils]: 9: Hoare triple {10609#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10605#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,477 INFO L290 TraceCheckUtils]: 8: Hoare triple {10613#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10609#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,477 INFO L290 TraceCheckUtils]: 7: Hoare triple {10378#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {10613#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:56:54,477 INFO L290 TraceCheckUtils]: 6: Hoare triple {10378#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {10378#true} is VALID [2022-04-28 03:56:54,477 INFO L290 TraceCheckUtils]: 5: Hoare triple {10378#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {10378#true} is VALID [2022-04-28 03:56:54,477 INFO L272 TraceCheckUtils]: 4: Hoare triple {10378#true} call #t~ret7 := main(); {10378#true} is VALID [2022-04-28 03:56:54,477 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 03:56:54,478 INFO L290 TraceCheckUtils]: 2: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 03:56:54,478 INFO L290 TraceCheckUtils]: 1: Hoare triple {10378#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 03:56:54,478 INFO L272 TraceCheckUtils]: 0: Hoare triple {10378#true} call ULTIMATE.init(); {10378#true} is VALID [2022-04-28 03:56:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:54,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192322914] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:54,478 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:54,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 50 [2022-04-28 03:56:54,478 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:54,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1958210512] [2022-04-28 03:56:54,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1958210512] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:54,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:54,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-04-28 03:56:54,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392953204] [2022-04-28 03:56:54,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:54,479 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-04-28 03:56:54,479 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:54,479 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:54,498 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:54,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-04-28 03:56:54,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:54,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-04-28 03:56:54,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2022-04-28 03:56:54,499 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:55,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:55,772 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2022-04-28 03:56:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-28 03:56:55,772 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-04-28 03:56:55,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:56:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 68 transitions. [2022-04-28 03:56:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 68 transitions. [2022-04-28 03:56:55,774 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 68 transitions. [2022-04-28 03:56:55,831 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:55,832 INFO L225 Difference]: With dead ends: 83 [2022-04-28 03:56:55,832 INFO L226 Difference]: Without dead ends: 46 [2022-04-28 03:56:55,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1337, Invalid=3919, Unknown=0, NotChecked=0, Total=5256 [2022-04-28 03:56:55,833 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-28 03:56:55,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-28 03:56:55,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-04-28 03:56:55,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2022-04-28 03:56:55,866 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:56:55,867 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:55,867 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:55,867 INFO L87 Difference]: Start difference. First operand 46 states. Second operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:55,868 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-04-28 03:56:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-04-28 03:56:55,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:55,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:55,868 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-04-28 03:56:55,868 INFO L87 Difference]: Start difference. First operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-04-28 03:56:55,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:56:55,869 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-04-28 03:56:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-04-28 03:56:55,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:56:55,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:56:55,869 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:56:55,869 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:56:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:56:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-04-28 03:56:55,870 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 35 [2022-04-28 03:56:55,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:56:55,870 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-04-28 03:56:55,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:55,871 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 45 states and 49 transitions. [2022-04-28 03:56:55,915 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-04-28 03:56:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-28 03:56:55,916 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:56:55,916 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:56:55,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-04-28 03:56:56,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-04-28 03:56:56,123 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:56:56,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:56:56,124 INFO L85 PathProgramCache]: Analyzing trace with hash 561131874, now seen corresponding path program 45 times [2022-04-28 03:56:56,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:56,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [507576753] [2022-04-28 03:56:56,916 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:56:56,917 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:56:56,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1021808451, now seen corresponding path program 1 times [2022-04-28 03:56:56,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:56,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099787222] [2022-04-28 03:56:56,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:56,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:56,927 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:56:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:56:56,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:56:56,932 INFO L85 PathProgramCache]: Analyzing trace with hash 561131874, now seen corresponding path program 46 times [2022-04-28 03:56:56,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:56:56,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896396047] [2022-04-28 03:56:56,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:56:56,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:56:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:56:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:57,359 INFO L290 TraceCheckUtils]: 0: Hoare triple {11064#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 03:56:57,359 INFO L290 TraceCheckUtils]: 1: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L272 TraceCheckUtils]: 0: Hoare triple {11035#true} call ULTIMATE.init(); {11064#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:56:57,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {11064#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L272 TraceCheckUtils]: 4: Hoare triple {11035#true} call #t~ret7 := main(); {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L290 TraceCheckUtils]: 5: Hoare triple {11035#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11035#true} is VALID [2022-04-28 03:56:57,360 INFO L290 TraceCheckUtils]: 6: Hoare triple {11035#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11035#true} is VALID [2022-04-28 03:56:57,361 INFO L290 TraceCheckUtils]: 7: Hoare triple {11035#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11040#(= main_~z~0 0)} is VALID [2022-04-28 03:56:57,361 INFO L290 TraceCheckUtils]: 8: Hoare triple {11040#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:57,362 INFO L290 TraceCheckUtils]: 9: Hoare triple {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:57,362 INFO L290 TraceCheckUtils]: 10: Hoare triple {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:57,362 INFO L290 TraceCheckUtils]: 11: Hoare triple {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:57,363 INFO L290 TraceCheckUtils]: 12: Hoare triple {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:57,370 INFO L290 TraceCheckUtils]: 13: Hoare triple {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:57,371 INFO L290 TraceCheckUtils]: 14: Hoare triple {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:57,371 INFO L290 TraceCheckUtils]: 15: Hoare triple {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:57,372 INFO L290 TraceCheckUtils]: 16: Hoare triple {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:57,372 INFO L290 TraceCheckUtils]: 17: Hoare triple {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:57,373 INFO L290 TraceCheckUtils]: 18: Hoare triple {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:57,373 INFO L290 TraceCheckUtils]: 19: Hoare triple {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:57,374 INFO L290 TraceCheckUtils]: 20: Hoare triple {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:57,374 INFO L290 TraceCheckUtils]: 21: Hoare triple {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:57,375 INFO L290 TraceCheckUtils]: 22: Hoare triple {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:57,375 INFO L290 TraceCheckUtils]: 23: Hoare triple {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:57,376 INFO L290 TraceCheckUtils]: 24: Hoare triple {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:57,376 INFO L290 TraceCheckUtils]: 25: Hoare triple {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:57,376 INFO L290 TraceCheckUtils]: 26: Hoare triple {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:57,377 INFO L290 TraceCheckUtils]: 27: Hoare triple {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:57,377 INFO L290 TraceCheckUtils]: 28: Hoare triple {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:56:57,378 INFO L290 TraceCheckUtils]: 29: Hoare triple {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:56:57,378 INFO L290 TraceCheckUtils]: 30: Hoare triple {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11063#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 23))} is VALID [2022-04-28 03:56:57,379 INFO L290 TraceCheckUtils]: 31: Hoare triple {11063#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 23))} assume !(~z~0 % 4294967296 < 268435455); {11036#false} is VALID [2022-04-28 03:56:57,379 INFO L272 TraceCheckUtils]: 32: Hoare triple {11036#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11036#false} is VALID [2022-04-28 03:56:57,379 INFO L290 TraceCheckUtils]: 33: Hoare triple {11036#false} ~cond := #in~cond; {11036#false} is VALID [2022-04-28 03:56:57,379 INFO L290 TraceCheckUtils]: 34: Hoare triple {11036#false} assume 0 == ~cond; {11036#false} is VALID [2022-04-28 03:56:57,379 INFO L290 TraceCheckUtils]: 35: Hoare triple {11036#false} assume !false; {11036#false} is VALID [2022-04-28 03:56:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:57,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:56:57,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896396047] [2022-04-28 03:56:57,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896396047] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:56:57,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077998354] [2022-04-28 03:56:57,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:56:57,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:56:57,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:56:57,381 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:56:57,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-04-28 03:56:57,453 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:56:57,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:56:57,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-28 03:56:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:56:57,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:56:57,775 INFO L272 TraceCheckUtils]: 0: Hoare triple {11035#true} call ULTIMATE.init(); {11035#true} is VALID [2022-04-28 03:56:57,775 INFO L290 TraceCheckUtils]: 1: Hoare triple {11035#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 03:56:57,776 INFO L290 TraceCheckUtils]: 2: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 03:56:57,776 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 03:56:57,776 INFO L272 TraceCheckUtils]: 4: Hoare triple {11035#true} call #t~ret7 := main(); {11035#true} is VALID [2022-04-28 03:56:57,776 INFO L290 TraceCheckUtils]: 5: Hoare triple {11035#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11035#true} is VALID [2022-04-28 03:56:57,776 INFO L290 TraceCheckUtils]: 6: Hoare triple {11035#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11035#true} is VALID [2022-04-28 03:56:57,789 INFO L290 TraceCheckUtils]: 7: Hoare triple {11035#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11040#(= main_~z~0 0)} is VALID [2022-04-28 03:56:57,790 INFO L290 TraceCheckUtils]: 8: Hoare triple {11040#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:56:57,790 INFO L290 TraceCheckUtils]: 9: Hoare triple {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:56:57,791 INFO L290 TraceCheckUtils]: 10: Hoare triple {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:56:57,791 INFO L290 TraceCheckUtils]: 11: Hoare triple {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:56:57,792 INFO L290 TraceCheckUtils]: 12: Hoare triple {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:56:57,792 INFO L290 TraceCheckUtils]: 13: Hoare triple {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:56:57,793 INFO L290 TraceCheckUtils]: 14: Hoare triple {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:56:57,793 INFO L290 TraceCheckUtils]: 15: Hoare triple {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:56:57,794 INFO L290 TraceCheckUtils]: 16: Hoare triple {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:56:57,794 INFO L290 TraceCheckUtils]: 17: Hoare triple {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:56:57,795 INFO L290 TraceCheckUtils]: 18: Hoare triple {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:56:57,795 INFO L290 TraceCheckUtils]: 19: Hoare triple {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:56:57,796 INFO L290 TraceCheckUtils]: 20: Hoare triple {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:56:57,796 INFO L290 TraceCheckUtils]: 21: Hoare triple {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:56:57,797 INFO L290 TraceCheckUtils]: 22: Hoare triple {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:56:57,797 INFO L290 TraceCheckUtils]: 23: Hoare triple {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:56:57,798 INFO L290 TraceCheckUtils]: 24: Hoare triple {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:56:57,798 INFO L290 TraceCheckUtils]: 25: Hoare triple {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:56:57,799 INFO L290 TraceCheckUtils]: 26: Hoare triple {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:56:57,799 INFO L290 TraceCheckUtils]: 27: Hoare triple {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:56:57,799 INFO L290 TraceCheckUtils]: 28: Hoare triple {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:56:57,800 INFO L290 TraceCheckUtils]: 29: Hoare triple {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:56:57,800 INFO L290 TraceCheckUtils]: 30: Hoare triple {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11158#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:56:57,801 INFO L290 TraceCheckUtils]: 31: Hoare triple {11158#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !(~z~0 % 4294967296 < 268435455); {11036#false} is VALID [2022-04-28 03:56:57,801 INFO L272 TraceCheckUtils]: 32: Hoare triple {11036#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11036#false} is VALID [2022-04-28 03:56:57,801 INFO L290 TraceCheckUtils]: 33: Hoare triple {11036#false} ~cond := #in~cond; {11036#false} is VALID [2022-04-28 03:56:57,801 INFO L290 TraceCheckUtils]: 34: Hoare triple {11036#false} assume 0 == ~cond; {11036#false} is VALID [2022-04-28 03:56:57,801 INFO L290 TraceCheckUtils]: 35: Hoare triple {11036#false} assume !false; {11036#false} is VALID [2022-04-28 03:56:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:57,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:56:58,721 INFO L290 TraceCheckUtils]: 35: Hoare triple {11036#false} assume !false; {11036#false} is VALID [2022-04-28 03:56:58,721 INFO L290 TraceCheckUtils]: 34: Hoare triple {11036#false} assume 0 == ~cond; {11036#false} is VALID [2022-04-28 03:56:58,721 INFO L290 TraceCheckUtils]: 33: Hoare triple {11036#false} ~cond := #in~cond; {11036#false} is VALID [2022-04-28 03:56:58,721 INFO L272 TraceCheckUtils]: 32: Hoare triple {11036#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11036#false} is VALID [2022-04-28 03:56:58,721 INFO L290 TraceCheckUtils]: 31: Hoare triple {11186#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {11036#false} is VALID [2022-04-28 03:56:58,722 INFO L290 TraceCheckUtils]: 30: Hoare triple {11190#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11186#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,723 INFO L290 TraceCheckUtils]: 29: Hoare triple {11194#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11190#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,723 INFO L290 TraceCheckUtils]: 28: Hoare triple {11198#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11194#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,724 INFO L290 TraceCheckUtils]: 27: Hoare triple {11202#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11198#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,725 INFO L290 TraceCheckUtils]: 26: Hoare triple {11206#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11202#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,725 INFO L290 TraceCheckUtils]: 25: Hoare triple {11210#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11206#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,726 INFO L290 TraceCheckUtils]: 24: Hoare triple {11214#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11210#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,726 INFO L290 TraceCheckUtils]: 23: Hoare triple {11218#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11214#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,727 INFO L290 TraceCheckUtils]: 22: Hoare triple {11222#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11218#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,728 INFO L290 TraceCheckUtils]: 21: Hoare triple {11226#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11222#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,728 INFO L290 TraceCheckUtils]: 20: Hoare triple {11230#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11226#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,729 INFO L290 TraceCheckUtils]: 19: Hoare triple {11234#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11230#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,729 INFO L290 TraceCheckUtils]: 18: Hoare triple {11238#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11234#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,730 INFO L290 TraceCheckUtils]: 17: Hoare triple {11242#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11238#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,731 INFO L290 TraceCheckUtils]: 16: Hoare triple {11246#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11242#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,731 INFO L290 TraceCheckUtils]: 15: Hoare triple {11250#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11246#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,732 INFO L290 TraceCheckUtils]: 14: Hoare triple {11254#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11250#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,732 INFO L290 TraceCheckUtils]: 13: Hoare triple {11258#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11254#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,733 INFO L290 TraceCheckUtils]: 12: Hoare triple {11262#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11258#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,733 INFO L290 TraceCheckUtils]: 11: Hoare triple {11266#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11262#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,734 INFO L290 TraceCheckUtils]: 10: Hoare triple {11270#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11266#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,735 INFO L290 TraceCheckUtils]: 9: Hoare triple {11274#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11270#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,735 INFO L290 TraceCheckUtils]: 8: Hoare triple {11278#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11274#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,736 INFO L290 TraceCheckUtils]: 7: Hoare triple {11035#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11278#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:56:58,736 INFO L290 TraceCheckUtils]: 6: Hoare triple {11035#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L290 TraceCheckUtils]: 5: Hoare triple {11035#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L272 TraceCheckUtils]: 4: Hoare triple {11035#true} call #t~ret7 := main(); {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L290 TraceCheckUtils]: 2: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L290 TraceCheckUtils]: 1: Hoare triple {11035#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L272 TraceCheckUtils]: 0: Hoare triple {11035#true} call ULTIMATE.init(); {11035#true} is VALID [2022-04-28 03:56:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:56:58,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077998354] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:56:58,737 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:56:58,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 52 [2022-04-28 03:56:58,737 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:56:58,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [507576753] [2022-04-28 03:56:58,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [507576753] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:56:58,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:56:58,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-04-28 03:56:58,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717706619] [2022-04-28 03:56:58,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:56:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-04-28 03:56:58,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:56:58,738 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:56:58,766 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:56:58,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-04-28 03:56:58,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:56:58,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-04-28 03:56:58,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=1927, Unknown=0, NotChecked=0, Total=2652 [2022-04-28 03:56:58,767 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:00,418 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2022-04-28 03:57:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-04-28 03:57:00,418 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-04-28 03:57:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 69 transitions. [2022-04-28 03:57:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 69 transitions. [2022-04-28 03:57:00,420 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 27 states and 69 transitions. [2022-04-28 03:57:00,470 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:00,471 INFO L225 Difference]: With dead ends: 85 [2022-04-28 03:57:00,471 INFO L226 Difference]: Without dead ends: 47 [2022-04-28 03:57:00,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1443, Invalid=4257, Unknown=0, NotChecked=0, Total=5700 [2022-04-28 03:57:00,472 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:00,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 128 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 03:57:00,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-28 03:57:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2022-04-28 03:57:00,510 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:00,511 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:00,511 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:00,511 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:00,512 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-28 03:57:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-28 03:57:00,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:00,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:00,512 INFO L74 IsIncluded]: Start isIncluded. First operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 47 states. [2022-04-28 03:57:00,512 INFO L87 Difference]: Start difference. First operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 47 states. [2022-04-28 03:57:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:00,513 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-28 03:57:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-28 03:57:00,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:00,513 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:00,513 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:00,513 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-04-28 03:57:00,514 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 36 [2022-04-28 03:57:00,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:00,514 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-04-28 03:57:00,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:00,514 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 46 states and 50 transitions. [2022-04-28 03:57:00,556 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-04-28 03:57:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-04-28 03:57:00,557 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:00,557 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:00,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:00,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,SelfDestructingSolverStorable49,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:00,767 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash 241521474, now seen corresponding path program 47 times [2022-04-28 03:57:00,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:00,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [726938212] [2022-04-28 03:57:05,201 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:57:05,354 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:05,355 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:05,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1080913795, now seen corresponding path program 1 times [2022-04-28 03:57:05,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:05,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040579307] [2022-04-28 03:57:05,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:05,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:05,363 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:05,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash 241521474, now seen corresponding path program 48 times [2022-04-28 03:57:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:05,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926345414] [2022-04-28 03:57:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:05,785 INFO L290 TraceCheckUtils]: 0: Hoare triple {11740#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 03:57:05,785 INFO L290 TraceCheckUtils]: 1: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 03:57:05,785 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L272 TraceCheckUtils]: 0: Hoare triple {11710#true} call ULTIMATE.init(); {11740#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:05,786 INFO L290 TraceCheckUtils]: 1: Hoare triple {11740#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L290 TraceCheckUtils]: 2: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L272 TraceCheckUtils]: 4: Hoare triple {11710#true} call #t~ret7 := main(); {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L290 TraceCheckUtils]: 5: Hoare triple {11710#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L290 TraceCheckUtils]: 6: Hoare triple {11710#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11710#true} is VALID [2022-04-28 03:57:05,786 INFO L290 TraceCheckUtils]: 7: Hoare triple {11710#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11715#(= main_~z~0 0)} is VALID [2022-04-28 03:57:05,787 INFO L290 TraceCheckUtils]: 8: Hoare triple {11715#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:05,787 INFO L290 TraceCheckUtils]: 9: Hoare triple {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:05,788 INFO L290 TraceCheckUtils]: 10: Hoare triple {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:05,788 INFO L290 TraceCheckUtils]: 11: Hoare triple {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:05,789 INFO L290 TraceCheckUtils]: 12: Hoare triple {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:05,789 INFO L290 TraceCheckUtils]: 13: Hoare triple {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:05,790 INFO L290 TraceCheckUtils]: 14: Hoare triple {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:05,790 INFO L290 TraceCheckUtils]: 15: Hoare triple {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:05,790 INFO L290 TraceCheckUtils]: 16: Hoare triple {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:05,791 INFO L290 TraceCheckUtils]: 17: Hoare triple {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:05,791 INFO L290 TraceCheckUtils]: 18: Hoare triple {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:05,792 INFO L290 TraceCheckUtils]: 19: Hoare triple {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:05,792 INFO L290 TraceCheckUtils]: 20: Hoare triple {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:05,793 INFO L290 TraceCheckUtils]: 21: Hoare triple {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:05,793 INFO L290 TraceCheckUtils]: 22: Hoare triple {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:05,794 INFO L290 TraceCheckUtils]: 23: Hoare triple {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:05,794 INFO L290 TraceCheckUtils]: 24: Hoare triple {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:05,795 INFO L290 TraceCheckUtils]: 25: Hoare triple {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:05,795 INFO L290 TraceCheckUtils]: 26: Hoare triple {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:05,796 INFO L290 TraceCheckUtils]: 27: Hoare triple {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:05,796 INFO L290 TraceCheckUtils]: 28: Hoare triple {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:05,797 INFO L290 TraceCheckUtils]: 29: Hoare triple {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:05,797 INFO L290 TraceCheckUtils]: 30: Hoare triple {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:05,798 INFO L290 TraceCheckUtils]: 31: Hoare triple {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11739#(and (<= main_~z~0 24) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:57:05,798 INFO L290 TraceCheckUtils]: 32: Hoare triple {11739#(and (<= main_~z~0 24) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {11711#false} is VALID [2022-04-28 03:57:05,798 INFO L272 TraceCheckUtils]: 33: Hoare triple {11711#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11711#false} is VALID [2022-04-28 03:57:05,798 INFO L290 TraceCheckUtils]: 34: Hoare triple {11711#false} ~cond := #in~cond; {11711#false} is VALID [2022-04-28 03:57:05,798 INFO L290 TraceCheckUtils]: 35: Hoare triple {11711#false} assume 0 == ~cond; {11711#false} is VALID [2022-04-28 03:57:05,798 INFO L290 TraceCheckUtils]: 36: Hoare triple {11711#false} assume !false; {11711#false} is VALID [2022-04-28 03:57:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:05,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:05,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926345414] [2022-04-28 03:57:05,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926345414] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:05,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251443498] [2022-04-28 03:57:05,799 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:57:05,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:05,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:05,800 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:05,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-04-28 03:57:06,255 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2022-04-28 03:57:06,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:06,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 53 conjunts are in the unsatisfiable core [2022-04-28 03:57:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:06,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:06,694 INFO L272 TraceCheckUtils]: 0: Hoare triple {11710#true} call ULTIMATE.init(); {11710#true} is VALID [2022-04-28 03:57:06,694 INFO L290 TraceCheckUtils]: 1: Hoare triple {11710#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 03:57:06,694 INFO L290 TraceCheckUtils]: 2: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 03:57:06,694 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 03:57:06,694 INFO L272 TraceCheckUtils]: 4: Hoare triple {11710#true} call #t~ret7 := main(); {11710#true} is VALID [2022-04-28 03:57:06,694 INFO L290 TraceCheckUtils]: 5: Hoare triple {11710#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11710#true} is VALID [2022-04-28 03:57:06,694 INFO L290 TraceCheckUtils]: 6: Hoare triple {11710#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11710#true} is VALID [2022-04-28 03:57:06,695 INFO L290 TraceCheckUtils]: 7: Hoare triple {11710#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11715#(= main_~z~0 0)} is VALID [2022-04-28 03:57:06,695 INFO L290 TraceCheckUtils]: 8: Hoare triple {11715#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:06,696 INFO L290 TraceCheckUtils]: 9: Hoare triple {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:06,696 INFO L290 TraceCheckUtils]: 10: Hoare triple {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:06,697 INFO L290 TraceCheckUtils]: 11: Hoare triple {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:06,697 INFO L290 TraceCheckUtils]: 12: Hoare triple {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:06,698 INFO L290 TraceCheckUtils]: 13: Hoare triple {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:06,698 INFO L290 TraceCheckUtils]: 14: Hoare triple {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:06,699 INFO L290 TraceCheckUtils]: 15: Hoare triple {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:06,699 INFO L290 TraceCheckUtils]: 16: Hoare triple {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:06,700 INFO L290 TraceCheckUtils]: 17: Hoare triple {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:06,700 INFO L290 TraceCheckUtils]: 18: Hoare triple {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:06,701 INFO L290 TraceCheckUtils]: 19: Hoare triple {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:06,701 INFO L290 TraceCheckUtils]: 20: Hoare triple {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:06,702 INFO L290 TraceCheckUtils]: 21: Hoare triple {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:06,702 INFO L290 TraceCheckUtils]: 22: Hoare triple {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:06,703 INFO L290 TraceCheckUtils]: 23: Hoare triple {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:06,703 INFO L290 TraceCheckUtils]: 24: Hoare triple {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:06,704 INFO L290 TraceCheckUtils]: 25: Hoare triple {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:06,704 INFO L290 TraceCheckUtils]: 26: Hoare triple {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:06,705 INFO L290 TraceCheckUtils]: 27: Hoare triple {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:06,705 INFO L290 TraceCheckUtils]: 28: Hoare triple {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:06,706 INFO L290 TraceCheckUtils]: 29: Hoare triple {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:06,707 INFO L290 TraceCheckUtils]: 30: Hoare triple {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:06,707 INFO L290 TraceCheckUtils]: 31: Hoare triple {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:06,707 INFO L290 TraceCheckUtils]: 32: Hoare triple {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:06,708 INFO L272 TraceCheckUtils]: 33: Hoare triple {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:57:06,708 INFO L290 TraceCheckUtils]: 34: Hoare triple {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11848#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:57:06,709 INFO L290 TraceCheckUtils]: 35: Hoare triple {11848#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11711#false} is VALID [2022-04-28 03:57:06,709 INFO L290 TraceCheckUtils]: 36: Hoare triple {11711#false} assume !false; {11711#false} is VALID [2022-04-28 03:57:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:06,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:06,948 INFO L290 TraceCheckUtils]: 36: Hoare triple {11711#false} assume !false; {11711#false} is VALID [2022-04-28 03:57:06,948 INFO L290 TraceCheckUtils]: 35: Hoare triple {11848#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11711#false} is VALID [2022-04-28 03:57:06,948 INFO L290 TraceCheckUtils]: 34: Hoare triple {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11848#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:57:06,949 INFO L272 TraceCheckUtils]: 33: Hoare triple {11864#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:57:06,949 INFO L290 TraceCheckUtils]: 32: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,950 INFO L290 TraceCheckUtils]: 31: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,950 INFO L290 TraceCheckUtils]: 30: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:57:06,951 INFO L290 TraceCheckUtils]: 29: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:57:06,951 INFO L290 TraceCheckUtils]: 28: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:57:06,952 INFO L290 TraceCheckUtils]: 27: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,953 INFO L290 TraceCheckUtils]: 26: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:57:06,953 INFO L290 TraceCheckUtils]: 25: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:57:06,954 INFO L290 TraceCheckUtils]: 24: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:57:06,954 INFO L290 TraceCheckUtils]: 23: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,955 INFO L290 TraceCheckUtils]: 22: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:57:06,955 INFO L290 TraceCheckUtils]: 21: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:57:06,956 INFO L290 TraceCheckUtils]: 20: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:57:06,957 INFO L290 TraceCheckUtils]: 19: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,957 INFO L290 TraceCheckUtils]: 18: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:57:06,958 INFO L290 TraceCheckUtils]: 17: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:57:06,958 INFO L290 TraceCheckUtils]: 16: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:57:06,959 INFO L290 TraceCheckUtils]: 15: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,959 INFO L290 TraceCheckUtils]: 14: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:57:06,960 INFO L290 TraceCheckUtils]: 13: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:57:06,962 INFO L290 TraceCheckUtils]: 12: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:57:06,963 INFO L290 TraceCheckUtils]: 11: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,963 INFO L290 TraceCheckUtils]: 10: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:57:06,964 INFO L290 TraceCheckUtils]: 9: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:57:06,965 INFO L290 TraceCheckUtils]: 8: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:57:06,965 INFO L290 TraceCheckUtils]: 7: Hoare triple {11710#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:06,966 INFO L290 TraceCheckUtils]: 6: Hoare triple {11710#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L290 TraceCheckUtils]: 5: Hoare triple {11710#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L272 TraceCheckUtils]: 4: Hoare triple {11710#true} call #t~ret7 := main(); {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L290 TraceCheckUtils]: 2: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L290 TraceCheckUtils]: 1: Hoare triple {11710#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L272 TraceCheckUtils]: 0: Hoare triple {11710#true} call ULTIMATE.init(); {11710#true} is VALID [2022-04-28 03:57:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-28 03:57:06,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251443498] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:06,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:06,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 8] total 35 [2022-04-28 03:57:06,967 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:06,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [726938212] [2022-04-28 03:57:06,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [726938212] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:06,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:06,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-04-28 03:57:06,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795953629] [2022-04-28 03:57:06,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:06,967 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-04-28 03:57:06,967 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:06,968 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:06,989 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:06,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-04-28 03:57:06,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:06,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-04-28 03:57:06,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2022-04-28 03:57:06,990 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:08,822 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2022-04-28 03:57:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-04-28 03:57:08,822 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-04-28 03:57:08,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 70 transitions. [2022-04-28 03:57:08,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 70 transitions. [2022-04-28 03:57:08,823 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 28 states and 70 transitions. [2022-04-28 03:57:08,871 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:08,872 INFO L225 Difference]: With dead ends: 87 [2022-04-28 03:57:08,872 INFO L226 Difference]: Without dead ends: 48 [2022-04-28 03:57:08,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=3251, Unknown=0, NotChecked=0, Total=3540 [2022-04-28 03:57:08,873 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:08,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 138 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 03:57:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-28 03:57:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2022-04-28 03:57:08,907 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:08,907 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:08,907 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:08,907 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:08,908 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-04-28 03:57:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-04-28 03:57:08,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:08,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:08,908 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 48 states. [2022-04-28 03:57:08,908 INFO L87 Difference]: Start difference. First operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 48 states. [2022-04-28 03:57:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:08,909 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-04-28 03:57:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-04-28 03:57:08,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:08,909 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:08,909 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:08,909 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-04-28 03:57:08,910 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 37 [2022-04-28 03:57:08,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:08,910 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-04-28 03:57:08,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:08,910 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 47 states and 51 transitions. [2022-04-28 03:57:08,971 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-28 03:57:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-28 03:57:08,972 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:08,972 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:08,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:09,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:09,177 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:09,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:09,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1076466334, now seen corresponding path program 49 times [2022-04-28 03:57:09,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:09,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1960863005] [2022-04-28 03:57:09,575 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:09,576 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:09,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1140019139, now seen corresponding path program 1 times [2022-04-28 03:57:09,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:09,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619453457] [2022-04-28 03:57:09,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:09,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:09,587 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:09,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:09,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1076466334, now seen corresponding path program 50 times [2022-04-28 03:57:09,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:09,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868519710] [2022-04-28 03:57:09,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:09,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:10,064 INFO L290 TraceCheckUtils]: 0: Hoare triple {12415#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 03:57:10,064 INFO L290 TraceCheckUtils]: 1: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 03:57:10,064 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 03:57:10,064 INFO L272 TraceCheckUtils]: 0: Hoare triple {12384#true} call ULTIMATE.init(); {12415#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:10,064 INFO L290 TraceCheckUtils]: 1: Hoare triple {12415#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 03:57:10,064 INFO L290 TraceCheckUtils]: 2: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 03:57:10,064 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 03:57:10,065 INFO L272 TraceCheckUtils]: 4: Hoare triple {12384#true} call #t~ret7 := main(); {12384#true} is VALID [2022-04-28 03:57:10,065 INFO L290 TraceCheckUtils]: 5: Hoare triple {12384#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {12384#true} is VALID [2022-04-28 03:57:10,065 INFO L290 TraceCheckUtils]: 6: Hoare triple {12384#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {12384#true} is VALID [2022-04-28 03:57:10,065 INFO L290 TraceCheckUtils]: 7: Hoare triple {12384#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {12389#(= main_~z~0 0)} is VALID [2022-04-28 03:57:10,065 INFO L290 TraceCheckUtils]: 8: Hoare triple {12389#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:10,066 INFO L290 TraceCheckUtils]: 9: Hoare triple {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:10,066 INFO L290 TraceCheckUtils]: 10: Hoare triple {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:10,067 INFO L290 TraceCheckUtils]: 11: Hoare triple {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:10,067 INFO L290 TraceCheckUtils]: 12: Hoare triple {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:10,068 INFO L290 TraceCheckUtils]: 13: Hoare triple {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:10,068 INFO L290 TraceCheckUtils]: 14: Hoare triple {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:10,069 INFO L290 TraceCheckUtils]: 15: Hoare triple {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:10,069 INFO L290 TraceCheckUtils]: 16: Hoare triple {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:10,070 INFO L290 TraceCheckUtils]: 17: Hoare triple {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:10,070 INFO L290 TraceCheckUtils]: 18: Hoare triple {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:10,071 INFO L290 TraceCheckUtils]: 19: Hoare triple {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:10,071 INFO L290 TraceCheckUtils]: 20: Hoare triple {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:10,072 INFO L290 TraceCheckUtils]: 21: Hoare triple {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:10,072 INFO L290 TraceCheckUtils]: 22: Hoare triple {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:10,073 INFO L290 TraceCheckUtils]: 23: Hoare triple {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:10,073 INFO L290 TraceCheckUtils]: 24: Hoare triple {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:10,073 INFO L290 TraceCheckUtils]: 25: Hoare triple {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:10,074 INFO L290 TraceCheckUtils]: 26: Hoare triple {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:10,074 INFO L290 TraceCheckUtils]: 27: Hoare triple {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:10,075 INFO L290 TraceCheckUtils]: 28: Hoare triple {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:10,075 INFO L290 TraceCheckUtils]: 29: Hoare triple {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:10,076 INFO L290 TraceCheckUtils]: 30: Hoare triple {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:10,076 INFO L290 TraceCheckUtils]: 31: Hoare triple {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:10,077 INFO L290 TraceCheckUtils]: 32: Hoare triple {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12414#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:10,077 INFO L290 TraceCheckUtils]: 33: Hoare triple {12414#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 25))} assume !(~z~0 % 4294967296 < 268435455); {12385#false} is VALID [2022-04-28 03:57:10,077 INFO L272 TraceCheckUtils]: 34: Hoare triple {12385#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {12385#false} is VALID [2022-04-28 03:57:10,077 INFO L290 TraceCheckUtils]: 35: Hoare triple {12385#false} ~cond := #in~cond; {12385#false} is VALID [2022-04-28 03:57:10,078 INFO L290 TraceCheckUtils]: 36: Hoare triple {12385#false} assume 0 == ~cond; {12385#false} is VALID [2022-04-28 03:57:10,078 INFO L290 TraceCheckUtils]: 37: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2022-04-28 03:57:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:10,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:10,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868519710] [2022-04-28 03:57:10,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868519710] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:10,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510284186] [2022-04-28 03:57:10,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:57:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:10,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:10,079 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:10,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-04-28 03:57:10,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:57:10,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:10,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 53 conjunts are in the unsatisfiable core [2022-04-28 03:57:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:10,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:10,492 INFO L272 TraceCheckUtils]: 0: Hoare triple {12384#true} call ULTIMATE.init(); {12384#true} is VALID [2022-04-28 03:57:10,492 INFO L290 TraceCheckUtils]: 1: Hoare triple {12384#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 03:57:10,492 INFO L290 TraceCheckUtils]: 2: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 03:57:10,492 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 03:57:10,492 INFO L272 TraceCheckUtils]: 4: Hoare triple {12384#true} call #t~ret7 := main(); {12384#true} is VALID [2022-04-28 03:57:10,492 INFO L290 TraceCheckUtils]: 5: Hoare triple {12384#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {12384#true} is VALID [2022-04-28 03:57:10,492 INFO L290 TraceCheckUtils]: 6: Hoare triple {12384#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {12384#true} is VALID [2022-04-28 03:57:10,493 INFO L290 TraceCheckUtils]: 7: Hoare triple {12384#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {12389#(= main_~z~0 0)} is VALID [2022-04-28 03:57:10,493 INFO L290 TraceCheckUtils]: 8: Hoare triple {12389#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:10,494 INFO L290 TraceCheckUtils]: 9: Hoare triple {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:10,494 INFO L290 TraceCheckUtils]: 10: Hoare triple {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:10,495 INFO L290 TraceCheckUtils]: 11: Hoare triple {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:10,495 INFO L290 TraceCheckUtils]: 12: Hoare triple {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:10,495 INFO L290 TraceCheckUtils]: 13: Hoare triple {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:10,496 INFO L290 TraceCheckUtils]: 14: Hoare triple {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:10,496 INFO L290 TraceCheckUtils]: 15: Hoare triple {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:10,497 INFO L290 TraceCheckUtils]: 16: Hoare triple {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:10,497 INFO L290 TraceCheckUtils]: 17: Hoare triple {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:10,498 INFO L290 TraceCheckUtils]: 18: Hoare triple {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:10,498 INFO L290 TraceCheckUtils]: 19: Hoare triple {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:10,499 INFO L290 TraceCheckUtils]: 20: Hoare triple {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:10,499 INFO L290 TraceCheckUtils]: 21: Hoare triple {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:10,500 INFO L290 TraceCheckUtils]: 22: Hoare triple {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:10,500 INFO L290 TraceCheckUtils]: 23: Hoare triple {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:10,501 INFO L290 TraceCheckUtils]: 24: Hoare triple {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:10,501 INFO L290 TraceCheckUtils]: 25: Hoare triple {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:10,502 INFO L290 TraceCheckUtils]: 26: Hoare triple {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:10,502 INFO L290 TraceCheckUtils]: 27: Hoare triple {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:10,503 INFO L290 TraceCheckUtils]: 28: Hoare triple {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:10,503 INFO L290 TraceCheckUtils]: 29: Hoare triple {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:10,504 INFO L290 TraceCheckUtils]: 30: Hoare triple {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:10,504 INFO L290 TraceCheckUtils]: 31: Hoare triple {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:10,505 INFO L290 TraceCheckUtils]: 32: Hoare triple {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12515#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:10,505 INFO L290 TraceCheckUtils]: 33: Hoare triple {12515#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !(~z~0 % 4294967296 < 268435455); {12385#false} is VALID [2022-04-28 03:57:10,505 INFO L272 TraceCheckUtils]: 34: Hoare triple {12385#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {12385#false} is VALID [2022-04-28 03:57:10,505 INFO L290 TraceCheckUtils]: 35: Hoare triple {12385#false} ~cond := #in~cond; {12385#false} is VALID [2022-04-28 03:57:10,505 INFO L290 TraceCheckUtils]: 36: Hoare triple {12385#false} assume 0 == ~cond; {12385#false} is VALID [2022-04-28 03:57:10,505 INFO L290 TraceCheckUtils]: 37: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2022-04-28 03:57:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:10,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:11,602 INFO L290 TraceCheckUtils]: 37: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2022-04-28 03:57:11,602 INFO L290 TraceCheckUtils]: 36: Hoare triple {12385#false} assume 0 == ~cond; {12385#false} is VALID [2022-04-28 03:57:11,602 INFO L290 TraceCheckUtils]: 35: Hoare triple {12385#false} ~cond := #in~cond; {12385#false} is VALID [2022-04-28 03:57:11,602 INFO L272 TraceCheckUtils]: 34: Hoare triple {12385#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {12385#false} is VALID [2022-04-28 03:57:11,602 INFO L290 TraceCheckUtils]: 33: Hoare triple {12543#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {12385#false} is VALID [2022-04-28 03:57:11,603 INFO L290 TraceCheckUtils]: 32: Hoare triple {12547#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12543#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,604 INFO L290 TraceCheckUtils]: 31: Hoare triple {12551#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12547#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,604 INFO L290 TraceCheckUtils]: 30: Hoare triple {12555#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12551#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,605 INFO L290 TraceCheckUtils]: 29: Hoare triple {12559#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12555#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,606 INFO L290 TraceCheckUtils]: 28: Hoare triple {12563#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12559#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,606 INFO L290 TraceCheckUtils]: 27: Hoare triple {12567#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12563#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,607 INFO L290 TraceCheckUtils]: 26: Hoare triple {12571#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12567#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,607 INFO L290 TraceCheckUtils]: 25: Hoare triple {12575#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12571#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,608 INFO L290 TraceCheckUtils]: 24: Hoare triple {12579#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12575#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,609 INFO L290 TraceCheckUtils]: 23: Hoare triple {12583#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12579#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,609 INFO L290 TraceCheckUtils]: 22: Hoare triple {12587#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12583#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,610 INFO L290 TraceCheckUtils]: 21: Hoare triple {12591#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12587#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,610 INFO L290 TraceCheckUtils]: 20: Hoare triple {12595#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12591#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,611 INFO L290 TraceCheckUtils]: 19: Hoare triple {12599#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12595#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,612 INFO L290 TraceCheckUtils]: 18: Hoare triple {12603#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12599#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,612 INFO L290 TraceCheckUtils]: 17: Hoare triple {12607#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12603#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,613 INFO L290 TraceCheckUtils]: 16: Hoare triple {12611#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12607#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,613 INFO L290 TraceCheckUtils]: 15: Hoare triple {12615#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12611#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,614 INFO L290 TraceCheckUtils]: 14: Hoare triple {12619#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12615#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,614 INFO L290 TraceCheckUtils]: 13: Hoare triple {12623#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12619#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,615 INFO L290 TraceCheckUtils]: 12: Hoare triple {12627#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12623#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,616 INFO L290 TraceCheckUtils]: 11: Hoare triple {12631#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12627#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,616 INFO L290 TraceCheckUtils]: 10: Hoare triple {12635#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12631#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,617 INFO L290 TraceCheckUtils]: 9: Hoare triple {12639#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12635#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,617 INFO L290 TraceCheckUtils]: 8: Hoare triple {12643#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12639#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,618 INFO L290 TraceCheckUtils]: 7: Hoare triple {12384#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {12643#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:57:11,618 INFO L290 TraceCheckUtils]: 6: Hoare triple {12384#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {12384#true} is VALID [2022-04-28 03:57:11,618 INFO L290 TraceCheckUtils]: 5: Hoare triple {12384#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {12384#true} is VALID [2022-04-28 03:57:11,618 INFO L272 TraceCheckUtils]: 4: Hoare triple {12384#true} call #t~ret7 := main(); {12384#true} is VALID [2022-04-28 03:57:11,618 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 03:57:11,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 03:57:11,618 INFO L290 TraceCheckUtils]: 1: Hoare triple {12384#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 03:57:11,618 INFO L272 TraceCheckUtils]: 0: Hoare triple {12384#true} call ULTIMATE.init(); {12384#true} is VALID [2022-04-28 03:57:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:11,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510284186] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:11,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:11,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 56 [2022-04-28 03:57:11,619 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:11,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1960863005] [2022-04-28 03:57:11,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1960863005] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:11,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:11,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-04-28 03:57:11,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315760140] [2022-04-28 03:57:11,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:11,620 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-04-28 03:57:11,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:11,620 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:11,642 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:11,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-04-28 03:57:11,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:11,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-04-28 03:57:11,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=2243, Unknown=0, NotChecked=0, Total=3080 [2022-04-28 03:57:11,644 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:13,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:13,304 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2022-04-28 03:57:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-04-28 03:57:13,305 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-04-28 03:57:13,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 71 transitions. [2022-04-28 03:57:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 71 transitions. [2022-04-28 03:57:13,306 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 29 states and 71 transitions. [2022-04-28 03:57:13,361 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:13,362 INFO L225 Difference]: With dead ends: 89 [2022-04-28 03:57:13,362 INFO L226 Difference]: Without dead ends: 49 [2022-04-28 03:57:13,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1667, Invalid=4975, Unknown=0, NotChecked=0, Total=6642 [2022-04-28 03:57:13,363 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:13,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 03:57:13,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-04-28 03:57:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2022-04-28 03:57:13,400 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:13,400 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:13,400 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:13,400 INFO L87 Difference]: Start difference. First operand 49 states. Second operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:13,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:13,401 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2022-04-28 03:57:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-04-28 03:57:13,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:13,401 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:13,403 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 49 states. [2022-04-28 03:57:13,403 INFO L87 Difference]: Start difference. First operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 49 states. [2022-04-28 03:57:13,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:13,404 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2022-04-28 03:57:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-04-28 03:57:13,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:13,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:13,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:13,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2022-04-28 03:57:13,405 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 38 [2022-04-28 03:57:13,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:13,405 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2022-04-28 03:57:13,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:13,405 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 48 states and 52 transitions. [2022-04-28 03:57:13,453 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-04-28 03:57:13,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-28 03:57:13,453 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:13,453 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:13,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:13,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53 [2022-04-28 03:57:13,654 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:13,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:13,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1015584578, now seen corresponding path program 51 times [2022-04-28 03:57:13,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:13,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [680620776] [2022-04-28 03:57:17,885 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:57:17,999 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:18,001 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:18,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1199124483, now seen corresponding path program 1 times [2022-04-28 03:57:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:18,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794229549] [2022-04-28 03:57:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:18,008 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:18,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:18,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1015584578, now seen corresponding path program 52 times [2022-04-28 03:57:18,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:18,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119895091] [2022-04-28 03:57:18,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:18,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:18,494 INFO L290 TraceCheckUtils]: 0: Hoare triple {13127#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 03:57:18,494 INFO L290 TraceCheckUtils]: 1: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 03:57:18,494 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 03:57:18,494 INFO L272 TraceCheckUtils]: 0: Hoare triple {13095#true} call ULTIMATE.init(); {13127#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:18,495 INFO L290 TraceCheckUtils]: 1: Hoare triple {13127#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 03:57:18,495 INFO L290 TraceCheckUtils]: 2: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 03:57:18,495 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 03:57:18,495 INFO L272 TraceCheckUtils]: 4: Hoare triple {13095#true} call #t~ret7 := main(); {13095#true} is VALID [2022-04-28 03:57:18,495 INFO L290 TraceCheckUtils]: 5: Hoare triple {13095#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13095#true} is VALID [2022-04-28 03:57:18,495 INFO L290 TraceCheckUtils]: 6: Hoare triple {13095#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13095#true} is VALID [2022-04-28 03:57:18,495 INFO L290 TraceCheckUtils]: 7: Hoare triple {13095#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13100#(= main_~z~0 0)} is VALID [2022-04-28 03:57:18,496 INFO L290 TraceCheckUtils]: 8: Hoare triple {13100#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:18,496 INFO L290 TraceCheckUtils]: 9: Hoare triple {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:18,497 INFO L290 TraceCheckUtils]: 10: Hoare triple {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:18,497 INFO L290 TraceCheckUtils]: 11: Hoare triple {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:18,498 INFO L290 TraceCheckUtils]: 12: Hoare triple {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:18,498 INFO L290 TraceCheckUtils]: 13: Hoare triple {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:18,499 INFO L290 TraceCheckUtils]: 14: Hoare triple {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:18,499 INFO L290 TraceCheckUtils]: 15: Hoare triple {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:18,499 INFO L290 TraceCheckUtils]: 16: Hoare triple {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:18,500 INFO L290 TraceCheckUtils]: 17: Hoare triple {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:18,500 INFO L290 TraceCheckUtils]: 18: Hoare triple {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:18,501 INFO L290 TraceCheckUtils]: 19: Hoare triple {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:18,501 INFO L290 TraceCheckUtils]: 20: Hoare triple {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:18,502 INFO L290 TraceCheckUtils]: 21: Hoare triple {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:18,502 INFO L290 TraceCheckUtils]: 22: Hoare triple {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:18,503 INFO L290 TraceCheckUtils]: 23: Hoare triple {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:18,503 INFO L290 TraceCheckUtils]: 24: Hoare triple {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:18,504 INFO L290 TraceCheckUtils]: 25: Hoare triple {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:18,504 INFO L290 TraceCheckUtils]: 26: Hoare triple {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:18,505 INFO L290 TraceCheckUtils]: 27: Hoare triple {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:18,505 INFO L290 TraceCheckUtils]: 28: Hoare triple {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:18,506 INFO L290 TraceCheckUtils]: 29: Hoare triple {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:18,506 INFO L290 TraceCheckUtils]: 30: Hoare triple {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:18,507 INFO L290 TraceCheckUtils]: 31: Hoare triple {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:18,507 INFO L290 TraceCheckUtils]: 32: Hoare triple {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:18,508 INFO L290 TraceCheckUtils]: 33: Hoare triple {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13126#(and (<= main_~z~0 26) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:57:18,508 INFO L290 TraceCheckUtils]: 34: Hoare triple {13126#(and (<= main_~z~0 26) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {13096#false} is VALID [2022-04-28 03:57:18,508 INFO L272 TraceCheckUtils]: 35: Hoare triple {13096#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13096#false} is VALID [2022-04-28 03:57:18,508 INFO L290 TraceCheckUtils]: 36: Hoare triple {13096#false} ~cond := #in~cond; {13096#false} is VALID [2022-04-28 03:57:18,508 INFO L290 TraceCheckUtils]: 37: Hoare triple {13096#false} assume 0 == ~cond; {13096#false} is VALID [2022-04-28 03:57:18,508 INFO L290 TraceCheckUtils]: 38: Hoare triple {13096#false} assume !false; {13096#false} is VALID [2022-04-28 03:57:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:18,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:18,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119895091] [2022-04-28 03:57:18,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119895091] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:18,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897991591] [2022-04-28 03:57:18,509 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:57:18,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:18,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:18,510 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:18,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-04-28 03:57:18,590 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:57:18,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:18,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-28 03:57:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:18,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:18,958 INFO L272 TraceCheckUtils]: 0: Hoare triple {13095#true} call ULTIMATE.init(); {13095#true} is VALID [2022-04-28 03:57:18,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {13095#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 03:57:18,958 INFO L290 TraceCheckUtils]: 2: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 03:57:18,958 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 03:57:18,958 INFO L272 TraceCheckUtils]: 4: Hoare triple {13095#true} call #t~ret7 := main(); {13095#true} is VALID [2022-04-28 03:57:18,959 INFO L290 TraceCheckUtils]: 5: Hoare triple {13095#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13095#true} is VALID [2022-04-28 03:57:18,959 INFO L290 TraceCheckUtils]: 6: Hoare triple {13095#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13095#true} is VALID [2022-04-28 03:57:18,959 INFO L290 TraceCheckUtils]: 7: Hoare triple {13095#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13100#(= main_~z~0 0)} is VALID [2022-04-28 03:57:18,959 INFO L290 TraceCheckUtils]: 8: Hoare triple {13100#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:18,960 INFO L290 TraceCheckUtils]: 9: Hoare triple {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:18,960 INFO L290 TraceCheckUtils]: 10: Hoare triple {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:18,961 INFO L290 TraceCheckUtils]: 11: Hoare triple {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:18,961 INFO L290 TraceCheckUtils]: 12: Hoare triple {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:18,962 INFO L290 TraceCheckUtils]: 13: Hoare triple {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:18,962 INFO L290 TraceCheckUtils]: 14: Hoare triple {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:18,963 INFO L290 TraceCheckUtils]: 15: Hoare triple {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:18,963 INFO L290 TraceCheckUtils]: 16: Hoare triple {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:18,964 INFO L290 TraceCheckUtils]: 17: Hoare triple {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:18,964 INFO L290 TraceCheckUtils]: 18: Hoare triple {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:18,965 INFO L290 TraceCheckUtils]: 19: Hoare triple {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:18,965 INFO L290 TraceCheckUtils]: 20: Hoare triple {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:18,966 INFO L290 TraceCheckUtils]: 21: Hoare triple {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:18,966 INFO L290 TraceCheckUtils]: 22: Hoare triple {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:18,967 INFO L290 TraceCheckUtils]: 23: Hoare triple {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:18,967 INFO L290 TraceCheckUtils]: 24: Hoare triple {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:18,968 INFO L290 TraceCheckUtils]: 25: Hoare triple {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:18,968 INFO L290 TraceCheckUtils]: 26: Hoare triple {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:18,969 INFO L290 TraceCheckUtils]: 27: Hoare triple {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:18,969 INFO L290 TraceCheckUtils]: 28: Hoare triple {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:18,969 INFO L290 TraceCheckUtils]: 29: Hoare triple {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:18,970 INFO L290 TraceCheckUtils]: 30: Hoare triple {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:18,970 INFO L290 TraceCheckUtils]: 31: Hoare triple {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:18,971 INFO L290 TraceCheckUtils]: 32: Hoare triple {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:18,971 INFO L290 TraceCheckUtils]: 33: Hoare triple {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13230#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:18,972 INFO L290 TraceCheckUtils]: 34: Hoare triple {13230#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {13096#false} is VALID [2022-04-28 03:57:18,972 INFO L272 TraceCheckUtils]: 35: Hoare triple {13096#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13096#false} is VALID [2022-04-28 03:57:18,972 INFO L290 TraceCheckUtils]: 36: Hoare triple {13096#false} ~cond := #in~cond; {13096#false} is VALID [2022-04-28 03:57:18,972 INFO L290 TraceCheckUtils]: 37: Hoare triple {13096#false} assume 0 == ~cond; {13096#false} is VALID [2022-04-28 03:57:18,972 INFO L290 TraceCheckUtils]: 38: Hoare triple {13096#false} assume !false; {13096#false} is VALID [2022-04-28 03:57:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:18,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:20,144 INFO L290 TraceCheckUtils]: 38: Hoare triple {13096#false} assume !false; {13096#false} is VALID [2022-04-28 03:57:20,144 INFO L290 TraceCheckUtils]: 37: Hoare triple {13096#false} assume 0 == ~cond; {13096#false} is VALID [2022-04-28 03:57:20,144 INFO L290 TraceCheckUtils]: 36: Hoare triple {13096#false} ~cond := #in~cond; {13096#false} is VALID [2022-04-28 03:57:20,144 INFO L272 TraceCheckUtils]: 35: Hoare triple {13096#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13096#false} is VALID [2022-04-28 03:57:20,144 INFO L290 TraceCheckUtils]: 34: Hoare triple {13258#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {13096#false} is VALID [2022-04-28 03:57:20,151 INFO L290 TraceCheckUtils]: 33: Hoare triple {13262#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13258#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,152 INFO L290 TraceCheckUtils]: 32: Hoare triple {13266#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13262#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,152 INFO L290 TraceCheckUtils]: 31: Hoare triple {13270#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13266#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,153 INFO L290 TraceCheckUtils]: 30: Hoare triple {13274#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13270#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,154 INFO L290 TraceCheckUtils]: 29: Hoare triple {13278#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13274#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,154 INFO L290 TraceCheckUtils]: 28: Hoare triple {13282#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13278#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,155 INFO L290 TraceCheckUtils]: 27: Hoare triple {13286#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13282#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,155 INFO L290 TraceCheckUtils]: 26: Hoare triple {13290#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13286#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,156 INFO L290 TraceCheckUtils]: 25: Hoare triple {13294#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13290#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,157 INFO L290 TraceCheckUtils]: 24: Hoare triple {13298#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13294#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,157 INFO L290 TraceCheckUtils]: 23: Hoare triple {13302#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13298#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,158 INFO L290 TraceCheckUtils]: 22: Hoare triple {13306#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13302#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,158 INFO L290 TraceCheckUtils]: 21: Hoare triple {13310#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13306#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,162 INFO L290 TraceCheckUtils]: 20: Hoare triple {13314#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13310#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,163 INFO L290 TraceCheckUtils]: 19: Hoare triple {13318#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13314#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,163 INFO L290 TraceCheckUtils]: 18: Hoare triple {13322#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13318#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,164 INFO L290 TraceCheckUtils]: 17: Hoare triple {13326#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13322#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,164 INFO L290 TraceCheckUtils]: 16: Hoare triple {13330#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13326#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,165 INFO L290 TraceCheckUtils]: 15: Hoare triple {13334#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13330#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,166 INFO L290 TraceCheckUtils]: 14: Hoare triple {13338#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13334#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,166 INFO L290 TraceCheckUtils]: 13: Hoare triple {13342#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13338#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,167 INFO L290 TraceCheckUtils]: 12: Hoare triple {13346#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13342#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,167 INFO L290 TraceCheckUtils]: 11: Hoare triple {13350#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13346#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,168 INFO L290 TraceCheckUtils]: 10: Hoare triple {13354#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13350#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,169 INFO L290 TraceCheckUtils]: 9: Hoare triple {13358#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13354#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,169 INFO L290 TraceCheckUtils]: 8: Hoare triple {13362#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13358#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,170 INFO L290 TraceCheckUtils]: 7: Hoare triple {13095#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13362#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:57:20,170 INFO L290 TraceCheckUtils]: 6: Hoare triple {13095#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L290 TraceCheckUtils]: 5: Hoare triple {13095#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L272 TraceCheckUtils]: 4: Hoare triple {13095#true} call #t~ret7 := main(); {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L290 TraceCheckUtils]: 2: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L290 TraceCheckUtils]: 1: Hoare triple {13095#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L272 TraceCheckUtils]: 0: Hoare triple {13095#true} call ULTIMATE.init(); {13095#true} is VALID [2022-04-28 03:57:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:20,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897991591] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:20,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:20,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 58 [2022-04-28 03:57:20,171 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:20,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [680620776] [2022-04-28 03:57:20,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [680620776] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:20,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:20,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-04-28 03:57:20,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705742261] [2022-04-28 03:57:20,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:20,172 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-04-28 03:57:20,172 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:20,172 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:20,192 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:20,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-04-28 03:57:20,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:20,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-04-28 03:57:20,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=2410, Unknown=0, NotChecked=0, Total=3306 [2022-04-28 03:57:20,193 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:21,961 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2022-04-28 03:57:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-04-28 03:57:21,961 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-04-28 03:57:21,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 72 transitions. [2022-04-28 03:57:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 72 transitions. [2022-04-28 03:57:21,963 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 30 states and 72 transitions. [2022-04-28 03:57:22,033 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:22,034 INFO L225 Difference]: With dead ends: 91 [2022-04-28 03:57:22,034 INFO L226 Difference]: Without dead ends: 50 [2022-04-28 03:57:22,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1785, Invalid=5355, Unknown=0, NotChecked=0, Total=7140 [2022-04-28 03:57:22,035 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:22,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 88 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 03:57:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-28 03:57:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2022-04-28 03:57:22,073 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:22,073 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:22,073 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:22,073 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:22,074 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2022-04-28 03:57:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-04-28 03:57:22,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:22,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:22,074 INFO L74 IsIncluded]: Start isIncluded. First operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 50 states. [2022-04-28 03:57:22,074 INFO L87 Difference]: Start difference. First operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 50 states. [2022-04-28 03:57:22,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:22,075 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2022-04-28 03:57:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-04-28 03:57:22,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:22,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:22,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:22,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-04-28 03:57:22,076 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 39 [2022-04-28 03:57:22,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:22,076 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-04-28 03:57:22,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:22,076 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 49 states and 53 transitions. [2022-04-28 03:57:22,130 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-04-28 03:57:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-28 03:57:22,130 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:22,130 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:22,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-04-28 03:57:22,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55 [2022-04-28 03:57:22,331 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:22,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1444653410, now seen corresponding path program 53 times [2022-04-28 03:57:22,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:22,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [843106990] [2022-04-28 03:57:23,317 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:57:23,472 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:23,473 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1258229827, now seen corresponding path program 1 times [2022-04-28 03:57:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:23,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496445541] [2022-04-28 03:57:23,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:23,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:23,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:23,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1444653410, now seen corresponding path program 54 times [2022-04-28 03:57:23,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:23,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559778793] [2022-04-28 03:57:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:24,000 INFO L290 TraceCheckUtils]: 0: Hoare triple {13857#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 03:57:24,000 INFO L290 TraceCheckUtils]: 1: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 03:57:24,000 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L272 TraceCheckUtils]: 0: Hoare triple {13824#true} call ULTIMATE.init(); {13857#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:24,001 INFO L290 TraceCheckUtils]: 1: Hoare triple {13857#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L290 TraceCheckUtils]: 2: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L272 TraceCheckUtils]: 4: Hoare triple {13824#true} call #t~ret7 := main(); {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L290 TraceCheckUtils]: 5: Hoare triple {13824#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L290 TraceCheckUtils]: 6: Hoare triple {13824#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13824#true} is VALID [2022-04-28 03:57:24,001 INFO L290 TraceCheckUtils]: 7: Hoare triple {13824#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13829#(= main_~z~0 0)} is VALID [2022-04-28 03:57:24,002 INFO L290 TraceCheckUtils]: 8: Hoare triple {13829#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:24,002 INFO L290 TraceCheckUtils]: 9: Hoare triple {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:24,003 INFO L290 TraceCheckUtils]: 10: Hoare triple {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:24,003 INFO L290 TraceCheckUtils]: 11: Hoare triple {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:24,004 INFO L290 TraceCheckUtils]: 12: Hoare triple {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:24,004 INFO L290 TraceCheckUtils]: 13: Hoare triple {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:24,005 INFO L290 TraceCheckUtils]: 14: Hoare triple {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:24,005 INFO L290 TraceCheckUtils]: 15: Hoare triple {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:24,006 INFO L290 TraceCheckUtils]: 16: Hoare triple {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:24,006 INFO L290 TraceCheckUtils]: 17: Hoare triple {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:24,007 INFO L290 TraceCheckUtils]: 18: Hoare triple {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:24,007 INFO L290 TraceCheckUtils]: 19: Hoare triple {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:24,008 INFO L290 TraceCheckUtils]: 20: Hoare triple {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:24,008 INFO L290 TraceCheckUtils]: 21: Hoare triple {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:24,009 INFO L290 TraceCheckUtils]: 22: Hoare triple {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:24,009 INFO L290 TraceCheckUtils]: 23: Hoare triple {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:24,010 INFO L290 TraceCheckUtils]: 24: Hoare triple {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:24,010 INFO L290 TraceCheckUtils]: 25: Hoare triple {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:24,011 INFO L290 TraceCheckUtils]: 26: Hoare triple {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:24,011 INFO L290 TraceCheckUtils]: 27: Hoare triple {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:24,012 INFO L290 TraceCheckUtils]: 28: Hoare triple {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:24,012 INFO L290 TraceCheckUtils]: 29: Hoare triple {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:24,013 INFO L290 TraceCheckUtils]: 30: Hoare triple {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:24,013 INFO L290 TraceCheckUtils]: 31: Hoare triple {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:24,014 INFO L290 TraceCheckUtils]: 32: Hoare triple {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:24,014 INFO L290 TraceCheckUtils]: 33: Hoare triple {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:24,015 INFO L290 TraceCheckUtils]: 34: Hoare triple {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13856#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 27))} is VALID [2022-04-28 03:57:24,015 INFO L290 TraceCheckUtils]: 35: Hoare triple {13856#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 27))} assume !(~z~0 % 4294967296 < 268435455); {13825#false} is VALID [2022-04-28 03:57:24,015 INFO L272 TraceCheckUtils]: 36: Hoare triple {13825#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13825#false} is VALID [2022-04-28 03:57:24,016 INFO L290 TraceCheckUtils]: 37: Hoare triple {13825#false} ~cond := #in~cond; {13825#false} is VALID [2022-04-28 03:57:24,016 INFO L290 TraceCheckUtils]: 38: Hoare triple {13825#false} assume 0 == ~cond; {13825#false} is VALID [2022-04-28 03:57:24,016 INFO L290 TraceCheckUtils]: 39: Hoare triple {13825#false} assume !false; {13825#false} is VALID [2022-04-28 03:57:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:24,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:24,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559778793] [2022-04-28 03:57:24,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559778793] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:24,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254983747] [2022-04-28 03:57:24,016 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:57:24,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:24,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:24,018 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:24,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-04-28 03:57:24,728 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-04-28 03:57:24,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:24,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 57 conjunts are in the unsatisfiable core [2022-04-28 03:57:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:24,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:25,117 INFO L272 TraceCheckUtils]: 0: Hoare triple {13824#true} call ULTIMATE.init(); {13824#true} is VALID [2022-04-28 03:57:25,117 INFO L290 TraceCheckUtils]: 1: Hoare triple {13824#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 03:57:25,117 INFO L290 TraceCheckUtils]: 2: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 03:57:25,117 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 03:57:25,117 INFO L272 TraceCheckUtils]: 4: Hoare triple {13824#true} call #t~ret7 := main(); {13824#true} is VALID [2022-04-28 03:57:25,117 INFO L290 TraceCheckUtils]: 5: Hoare triple {13824#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13824#true} is VALID [2022-04-28 03:57:25,117 INFO L290 TraceCheckUtils]: 6: Hoare triple {13824#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13824#true} is VALID [2022-04-28 03:57:25,118 INFO L290 TraceCheckUtils]: 7: Hoare triple {13824#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13829#(= main_~z~0 0)} is VALID [2022-04-28 03:57:25,118 INFO L290 TraceCheckUtils]: 8: Hoare triple {13829#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:25,119 INFO L290 TraceCheckUtils]: 9: Hoare triple {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:25,119 INFO L290 TraceCheckUtils]: 10: Hoare triple {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:25,120 INFO L290 TraceCheckUtils]: 11: Hoare triple {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:25,120 INFO L290 TraceCheckUtils]: 12: Hoare triple {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:25,121 INFO L290 TraceCheckUtils]: 13: Hoare triple {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:25,121 INFO L290 TraceCheckUtils]: 14: Hoare triple {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:25,121 INFO L290 TraceCheckUtils]: 15: Hoare triple {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:25,122 INFO L290 TraceCheckUtils]: 16: Hoare triple {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:25,122 INFO L290 TraceCheckUtils]: 17: Hoare triple {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:25,123 INFO L290 TraceCheckUtils]: 18: Hoare triple {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:25,123 INFO L290 TraceCheckUtils]: 19: Hoare triple {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:25,124 INFO L290 TraceCheckUtils]: 20: Hoare triple {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:25,124 INFO L290 TraceCheckUtils]: 21: Hoare triple {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:25,125 INFO L290 TraceCheckUtils]: 22: Hoare triple {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:25,125 INFO L290 TraceCheckUtils]: 23: Hoare triple {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:25,126 INFO L290 TraceCheckUtils]: 24: Hoare triple {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:25,126 INFO L290 TraceCheckUtils]: 25: Hoare triple {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:25,127 INFO L290 TraceCheckUtils]: 26: Hoare triple {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:25,127 INFO L290 TraceCheckUtils]: 27: Hoare triple {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:25,128 INFO L290 TraceCheckUtils]: 28: Hoare triple {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:25,128 INFO L290 TraceCheckUtils]: 29: Hoare triple {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:25,129 INFO L290 TraceCheckUtils]: 30: Hoare triple {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:25,129 INFO L290 TraceCheckUtils]: 31: Hoare triple {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:25,130 INFO L290 TraceCheckUtils]: 32: Hoare triple {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:25,130 INFO L290 TraceCheckUtils]: 33: Hoare triple {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:25,130 INFO L290 TraceCheckUtils]: 34: Hoare triple {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13963#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:25,131 INFO L290 TraceCheckUtils]: 35: Hoare triple {13963#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {13825#false} is VALID [2022-04-28 03:57:25,131 INFO L272 TraceCheckUtils]: 36: Hoare triple {13825#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13825#false} is VALID [2022-04-28 03:57:25,131 INFO L290 TraceCheckUtils]: 37: Hoare triple {13825#false} ~cond := #in~cond; {13825#false} is VALID [2022-04-28 03:57:25,131 INFO L290 TraceCheckUtils]: 38: Hoare triple {13825#false} assume 0 == ~cond; {13825#false} is VALID [2022-04-28 03:57:25,131 INFO L290 TraceCheckUtils]: 39: Hoare triple {13825#false} assume !false; {13825#false} is VALID [2022-04-28 03:57:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:25,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:26,369 INFO L290 TraceCheckUtils]: 39: Hoare triple {13825#false} assume !false; {13825#false} is VALID [2022-04-28 03:57:26,370 INFO L290 TraceCheckUtils]: 38: Hoare triple {13825#false} assume 0 == ~cond; {13825#false} is VALID [2022-04-28 03:57:26,370 INFO L290 TraceCheckUtils]: 37: Hoare triple {13825#false} ~cond := #in~cond; {13825#false} is VALID [2022-04-28 03:57:26,370 INFO L272 TraceCheckUtils]: 36: Hoare triple {13825#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13825#false} is VALID [2022-04-28 03:57:26,370 INFO L290 TraceCheckUtils]: 35: Hoare triple {13991#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {13825#false} is VALID [2022-04-28 03:57:26,371 INFO L290 TraceCheckUtils]: 34: Hoare triple {13995#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13991#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,371 INFO L290 TraceCheckUtils]: 33: Hoare triple {13999#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13995#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,372 INFO L290 TraceCheckUtils]: 32: Hoare triple {14003#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13999#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,373 INFO L290 TraceCheckUtils]: 31: Hoare triple {14007#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14003#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,377 INFO L290 TraceCheckUtils]: 30: Hoare triple {14011#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14007#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,377 INFO L290 TraceCheckUtils]: 29: Hoare triple {14015#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14011#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,378 INFO L290 TraceCheckUtils]: 28: Hoare triple {14019#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14015#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,378 INFO L290 TraceCheckUtils]: 27: Hoare triple {14023#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14019#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,379 INFO L290 TraceCheckUtils]: 26: Hoare triple {14027#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14023#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,380 INFO L290 TraceCheckUtils]: 25: Hoare triple {14031#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14027#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,380 INFO L290 TraceCheckUtils]: 24: Hoare triple {14035#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14031#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,381 INFO L290 TraceCheckUtils]: 23: Hoare triple {14039#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14035#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,381 INFO L290 TraceCheckUtils]: 22: Hoare triple {14043#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14039#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,382 INFO L290 TraceCheckUtils]: 21: Hoare triple {14047#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14043#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,383 INFO L290 TraceCheckUtils]: 20: Hoare triple {14051#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14047#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,383 INFO L290 TraceCheckUtils]: 19: Hoare triple {14055#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14051#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,384 INFO L290 TraceCheckUtils]: 18: Hoare triple {14059#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14055#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,384 INFO L290 TraceCheckUtils]: 17: Hoare triple {14063#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14059#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,385 INFO L290 TraceCheckUtils]: 16: Hoare triple {14067#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14063#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {14071#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14067#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,386 INFO L290 TraceCheckUtils]: 14: Hoare triple {14075#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14071#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,387 INFO L290 TraceCheckUtils]: 13: Hoare triple {14079#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14075#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,387 INFO L290 TraceCheckUtils]: 12: Hoare triple {14083#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14079#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,388 INFO L290 TraceCheckUtils]: 11: Hoare triple {14087#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14083#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,389 INFO L290 TraceCheckUtils]: 10: Hoare triple {14091#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14087#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,389 INFO L290 TraceCheckUtils]: 9: Hoare triple {14095#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14091#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,390 INFO L290 TraceCheckUtils]: 8: Hoare triple {14099#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14095#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,390 INFO L290 TraceCheckUtils]: 7: Hoare triple {13824#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14099#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:57:26,390 INFO L290 TraceCheckUtils]: 6: Hoare triple {13824#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13824#true} is VALID [2022-04-28 03:57:26,390 INFO L290 TraceCheckUtils]: 5: Hoare triple {13824#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13824#true} is VALID [2022-04-28 03:57:26,390 INFO L272 TraceCheckUtils]: 4: Hoare triple {13824#true} call #t~ret7 := main(); {13824#true} is VALID [2022-04-28 03:57:26,390 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 03:57:26,391 INFO L290 TraceCheckUtils]: 2: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 03:57:26,391 INFO L290 TraceCheckUtils]: 1: Hoare triple {13824#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 03:57:26,391 INFO L272 TraceCheckUtils]: 0: Hoare triple {13824#true} call ULTIMATE.init(); {13824#true} is VALID [2022-04-28 03:57:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:26,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254983747] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:26,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:26,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 60 [2022-04-28 03:57:26,391 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:26,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [843106990] [2022-04-28 03:57:26,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [843106990] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:26,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:26,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-04-28 03:57:26,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722079764] [2022-04-28 03:57:26,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:26,392 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-04-28 03:57:26,392 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:26,392 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:26,436 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:26,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-28 03:57:26,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:26,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-28 03:57:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=957, Invalid=2583, Unknown=0, NotChecked=0, Total=3540 [2022-04-28 03:57:26,437 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:28,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:28,602 INFO L93 Difference]: Finished difference Result 93 states and 102 transitions. [2022-04-28 03:57:28,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-04-28 03:57:28,602 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-04-28 03:57:28,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 73 transitions. [2022-04-28 03:57:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 73 transitions. [2022-04-28 03:57:28,604 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 31 states and 73 transitions. [2022-04-28 03:57:28,685 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:28,686 INFO L225 Difference]: With dead ends: 93 [2022-04-28 03:57:28,686 INFO L226 Difference]: Without dead ends: 51 [2022-04-28 03:57:28,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1907, Invalid=5749, Unknown=0, NotChecked=0, Total=7656 [2022-04-28 03:57:28,687 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:28,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 153 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 03:57:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-28 03:57:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-04-28 03:57:28,726 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:28,726 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:28,726 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:28,726 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:28,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:28,727 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2022-04-28 03:57:28,727 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-04-28 03:57:28,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:28,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:28,727 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 51 states. [2022-04-28 03:57:28,727 INFO L87 Difference]: Start difference. First operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 51 states. [2022-04-28 03:57:28,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:28,728 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2022-04-28 03:57:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-04-28 03:57:28,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:28,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:28,728 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:28,728 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2022-04-28 03:57:28,729 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 40 [2022-04-28 03:57:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:28,729 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2022-04-28 03:57:28,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:28,729 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 50 states and 54 transitions. [2022-04-28 03:57:28,796 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-04-28 03:57:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-28 03:57:28,796 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:28,796 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:28,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:29,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57 [2022-04-28 03:57:29,001 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:29,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:29,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1860885314, now seen corresponding path program 55 times [2022-04-28 03:57:29,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:29,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1949512636] [2022-04-28 03:57:29,906 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:29,907 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:29,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1317335171, now seen corresponding path program 1 times [2022-04-28 03:57:29,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:29,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930023710] [2022-04-28 03:57:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:29,915 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:29,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:29,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1860885314, now seen corresponding path program 56 times [2022-04-28 03:57:29,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:29,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346131156] [2022-04-28 03:57:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:30,490 INFO L290 TraceCheckUtils]: 0: Hoare triple {14605#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L290 TraceCheckUtils]: 1: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L272 TraceCheckUtils]: 0: Hoare triple {14571#true} call ULTIMATE.init(); {14605#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:30,491 INFO L290 TraceCheckUtils]: 1: Hoare triple {14605#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L290 TraceCheckUtils]: 2: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L272 TraceCheckUtils]: 4: Hoare triple {14571#true} call #t~ret7 := main(); {14571#true} is VALID [2022-04-28 03:57:30,491 INFO L290 TraceCheckUtils]: 5: Hoare triple {14571#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {14571#true} is VALID [2022-04-28 03:57:30,492 INFO L290 TraceCheckUtils]: 6: Hoare triple {14571#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {14571#true} is VALID [2022-04-28 03:57:30,492 INFO L290 TraceCheckUtils]: 7: Hoare triple {14571#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14576#(= main_~z~0 0)} is VALID [2022-04-28 03:57:30,492 INFO L290 TraceCheckUtils]: 8: Hoare triple {14576#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:30,493 INFO L290 TraceCheckUtils]: 9: Hoare triple {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:30,493 INFO L290 TraceCheckUtils]: 10: Hoare triple {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:30,494 INFO L290 TraceCheckUtils]: 11: Hoare triple {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:30,494 INFO L290 TraceCheckUtils]: 12: Hoare triple {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:30,495 INFO L290 TraceCheckUtils]: 13: Hoare triple {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:30,495 INFO L290 TraceCheckUtils]: 14: Hoare triple {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:30,496 INFO L290 TraceCheckUtils]: 15: Hoare triple {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:30,496 INFO L290 TraceCheckUtils]: 16: Hoare triple {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:30,497 INFO L290 TraceCheckUtils]: 17: Hoare triple {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:30,497 INFO L290 TraceCheckUtils]: 18: Hoare triple {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:30,497 INFO L290 TraceCheckUtils]: 19: Hoare triple {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:30,498 INFO L290 TraceCheckUtils]: 20: Hoare triple {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:30,498 INFO L290 TraceCheckUtils]: 21: Hoare triple {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:30,499 INFO L290 TraceCheckUtils]: 22: Hoare triple {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:30,499 INFO L290 TraceCheckUtils]: 23: Hoare triple {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:30,500 INFO L290 TraceCheckUtils]: 24: Hoare triple {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:30,500 INFO L290 TraceCheckUtils]: 25: Hoare triple {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:30,501 INFO L290 TraceCheckUtils]: 26: Hoare triple {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:30,501 INFO L290 TraceCheckUtils]: 27: Hoare triple {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:30,502 INFO L290 TraceCheckUtils]: 28: Hoare triple {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:30,502 INFO L290 TraceCheckUtils]: 29: Hoare triple {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:30,503 INFO L290 TraceCheckUtils]: 30: Hoare triple {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:30,503 INFO L290 TraceCheckUtils]: 31: Hoare triple {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:30,504 INFO L290 TraceCheckUtils]: 32: Hoare triple {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:30,504 INFO L290 TraceCheckUtils]: 33: Hoare triple {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:30,504 INFO L290 TraceCheckUtils]: 34: Hoare triple {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:30,505 INFO L290 TraceCheckUtils]: 35: Hoare triple {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14604#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:30,505 INFO L290 TraceCheckUtils]: 36: Hoare triple {14604#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 28))} assume !(~z~0 % 4294967296 < 268435455); {14572#false} is VALID [2022-04-28 03:57:30,506 INFO L272 TraceCheckUtils]: 37: Hoare triple {14572#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {14572#false} is VALID [2022-04-28 03:57:30,506 INFO L290 TraceCheckUtils]: 38: Hoare triple {14572#false} ~cond := #in~cond; {14572#false} is VALID [2022-04-28 03:57:30,506 INFO L290 TraceCheckUtils]: 39: Hoare triple {14572#false} assume 0 == ~cond; {14572#false} is VALID [2022-04-28 03:57:30,506 INFO L290 TraceCheckUtils]: 40: Hoare triple {14572#false} assume !false; {14572#false} is VALID [2022-04-28 03:57:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:30,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:30,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346131156] [2022-04-28 03:57:30,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346131156] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:30,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389923181] [2022-04-28 03:57:30,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:57:30,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:30,507 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:30,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-04-28 03:57:30,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:57:30,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:30,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 59 conjunts are in the unsatisfiable core [2022-04-28 03:57:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:30,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:30,962 INFO L272 TraceCheckUtils]: 0: Hoare triple {14571#true} call ULTIMATE.init(); {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L290 TraceCheckUtils]: 1: Hoare triple {14571#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L290 TraceCheckUtils]: 2: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L272 TraceCheckUtils]: 4: Hoare triple {14571#true} call #t~ret7 := main(); {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L290 TraceCheckUtils]: 5: Hoare triple {14571#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L290 TraceCheckUtils]: 6: Hoare triple {14571#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {14571#true} is VALID [2022-04-28 03:57:30,962 INFO L290 TraceCheckUtils]: 7: Hoare triple {14571#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14576#(= main_~z~0 0)} is VALID [2022-04-28 03:57:30,963 INFO L290 TraceCheckUtils]: 8: Hoare triple {14576#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:30,963 INFO L290 TraceCheckUtils]: 9: Hoare triple {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:30,964 INFO L290 TraceCheckUtils]: 10: Hoare triple {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:30,964 INFO L290 TraceCheckUtils]: 11: Hoare triple {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:30,965 INFO L290 TraceCheckUtils]: 12: Hoare triple {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:30,965 INFO L290 TraceCheckUtils]: 13: Hoare triple {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:30,966 INFO L290 TraceCheckUtils]: 14: Hoare triple {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:30,966 INFO L290 TraceCheckUtils]: 15: Hoare triple {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:30,967 INFO L290 TraceCheckUtils]: 16: Hoare triple {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:30,967 INFO L290 TraceCheckUtils]: 17: Hoare triple {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:30,968 INFO L290 TraceCheckUtils]: 18: Hoare triple {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:30,968 INFO L290 TraceCheckUtils]: 19: Hoare triple {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:30,969 INFO L290 TraceCheckUtils]: 20: Hoare triple {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:30,969 INFO L290 TraceCheckUtils]: 21: Hoare triple {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:30,970 INFO L290 TraceCheckUtils]: 22: Hoare triple {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:30,970 INFO L290 TraceCheckUtils]: 23: Hoare triple {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:30,970 INFO L290 TraceCheckUtils]: 24: Hoare triple {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:30,971 INFO L290 TraceCheckUtils]: 25: Hoare triple {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:30,971 INFO L290 TraceCheckUtils]: 26: Hoare triple {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:30,972 INFO L290 TraceCheckUtils]: 27: Hoare triple {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:30,972 INFO L290 TraceCheckUtils]: 28: Hoare triple {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:30,973 INFO L290 TraceCheckUtils]: 29: Hoare triple {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:30,973 INFO L290 TraceCheckUtils]: 30: Hoare triple {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:30,974 INFO L290 TraceCheckUtils]: 31: Hoare triple {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:30,974 INFO L290 TraceCheckUtils]: 32: Hoare triple {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:30,975 INFO L290 TraceCheckUtils]: 33: Hoare triple {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:30,975 INFO L290 TraceCheckUtils]: 34: Hoare triple {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:30,976 INFO L290 TraceCheckUtils]: 35: Hoare triple {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14714#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:30,976 INFO L290 TraceCheckUtils]: 36: Hoare triple {14714#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !(~z~0 % 4294967296 < 268435455); {14572#false} is VALID [2022-04-28 03:57:30,976 INFO L272 TraceCheckUtils]: 37: Hoare triple {14572#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {14572#false} is VALID [2022-04-28 03:57:30,976 INFO L290 TraceCheckUtils]: 38: Hoare triple {14572#false} ~cond := #in~cond; {14572#false} is VALID [2022-04-28 03:57:30,976 INFO L290 TraceCheckUtils]: 39: Hoare triple {14572#false} assume 0 == ~cond; {14572#false} is VALID [2022-04-28 03:57:30,976 INFO L290 TraceCheckUtils]: 40: Hoare triple {14572#false} assume !false; {14572#false} is VALID [2022-04-28 03:57:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:30,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:32,318 INFO L290 TraceCheckUtils]: 40: Hoare triple {14572#false} assume !false; {14572#false} is VALID [2022-04-28 03:57:32,318 INFO L290 TraceCheckUtils]: 39: Hoare triple {14572#false} assume 0 == ~cond; {14572#false} is VALID [2022-04-28 03:57:32,319 INFO L290 TraceCheckUtils]: 38: Hoare triple {14572#false} ~cond := #in~cond; {14572#false} is VALID [2022-04-28 03:57:32,319 INFO L272 TraceCheckUtils]: 37: Hoare triple {14572#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {14572#false} is VALID [2022-04-28 03:57:32,319 INFO L290 TraceCheckUtils]: 36: Hoare triple {14742#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {14572#false} is VALID [2022-04-28 03:57:32,320 INFO L290 TraceCheckUtils]: 35: Hoare triple {14746#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14742#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,320 INFO L290 TraceCheckUtils]: 34: Hoare triple {14750#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14746#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,321 INFO L290 TraceCheckUtils]: 33: Hoare triple {14754#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14750#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,321 INFO L290 TraceCheckUtils]: 32: Hoare triple {14758#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14754#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,322 INFO L290 TraceCheckUtils]: 31: Hoare triple {14762#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14758#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,323 INFO L290 TraceCheckUtils]: 30: Hoare triple {14766#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14762#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,323 INFO L290 TraceCheckUtils]: 29: Hoare triple {14770#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14766#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,324 INFO L290 TraceCheckUtils]: 28: Hoare triple {14774#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14770#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,324 INFO L290 TraceCheckUtils]: 27: Hoare triple {14778#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14774#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,325 INFO L290 TraceCheckUtils]: 26: Hoare triple {14782#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14778#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,326 INFO L290 TraceCheckUtils]: 25: Hoare triple {14786#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14782#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,326 INFO L290 TraceCheckUtils]: 24: Hoare triple {14790#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14786#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,327 INFO L290 TraceCheckUtils]: 23: Hoare triple {14794#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14790#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,327 INFO L290 TraceCheckUtils]: 22: Hoare triple {14798#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14794#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,328 INFO L290 TraceCheckUtils]: 21: Hoare triple {14802#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14798#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,329 INFO L290 TraceCheckUtils]: 20: Hoare triple {14806#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14802#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,329 INFO L290 TraceCheckUtils]: 19: Hoare triple {14810#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14806#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,330 INFO L290 TraceCheckUtils]: 18: Hoare triple {14814#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14810#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,330 INFO L290 TraceCheckUtils]: 17: Hoare triple {14818#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14814#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,331 INFO L290 TraceCheckUtils]: 16: Hoare triple {14822#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14818#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,332 INFO L290 TraceCheckUtils]: 15: Hoare triple {14826#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14822#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,332 INFO L290 TraceCheckUtils]: 14: Hoare triple {14830#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14826#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,333 INFO L290 TraceCheckUtils]: 13: Hoare triple {14834#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14830#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,333 INFO L290 TraceCheckUtils]: 12: Hoare triple {14838#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14834#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,334 INFO L290 TraceCheckUtils]: 11: Hoare triple {14842#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14838#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,335 INFO L290 TraceCheckUtils]: 10: Hoare triple {14846#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14842#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,335 INFO L290 TraceCheckUtils]: 9: Hoare triple {14850#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14846#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,336 INFO L290 TraceCheckUtils]: 8: Hoare triple {14854#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14850#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,336 INFO L290 TraceCheckUtils]: 7: Hoare triple {14571#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14854#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:57:32,336 INFO L290 TraceCheckUtils]: 6: Hoare triple {14571#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {14571#true} is VALID [2022-04-28 03:57:32,336 INFO L290 TraceCheckUtils]: 5: Hoare triple {14571#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {14571#true} is VALID [2022-04-28 03:57:32,336 INFO L272 TraceCheckUtils]: 4: Hoare triple {14571#true} call #t~ret7 := main(); {14571#true} is VALID [2022-04-28 03:57:32,336 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 03:57:32,336 INFO L290 TraceCheckUtils]: 2: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 03:57:32,337 INFO L290 TraceCheckUtils]: 1: Hoare triple {14571#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 03:57:32,337 INFO L272 TraceCheckUtils]: 0: Hoare triple {14571#true} call ULTIMATE.init(); {14571#true} is VALID [2022-04-28 03:57:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:32,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389923181] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:32,337 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:32,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 62 [2022-04-28 03:57:32,337 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:32,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1949512636] [2022-04-28 03:57:32,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1949512636] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:32,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:32,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-04-28 03:57:32,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386568342] [2022-04-28 03:57:32,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:32,338 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-04-28 03:57:32,338 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:32,338 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:32,360 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:32,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-04-28 03:57:32,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-04-28 03:57:32,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1020, Invalid=2762, Unknown=0, NotChecked=0, Total=3782 [2022-04-28 03:57:32,361 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:34,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:34,630 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2022-04-28 03:57:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-28 03:57:34,630 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-04-28 03:57:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 74 transitions. [2022-04-28 03:57:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 74 transitions. [2022-04-28 03:57:34,632 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 74 transitions. [2022-04-28 03:57:34,714 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:34,715 INFO L225 Difference]: With dead ends: 95 [2022-04-28 03:57:34,715 INFO L226 Difference]: Without dead ends: 52 [2022-04-28 03:57:34,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2033, Invalid=6157, Unknown=0, NotChecked=0, Total=8190 [2022-04-28 03:57:34,716 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:34,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 158 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 03:57:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-28 03:57:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2022-04-28 03:57:34,767 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:34,768 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:34,768 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:34,768 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:34,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:34,769 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2022-04-28 03:57:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-04-28 03:57:34,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:34,769 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:34,769 INFO L74 IsIncluded]: Start isIncluded. First operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 52 states. [2022-04-28 03:57:34,769 INFO L87 Difference]: Start difference. First operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 52 states. [2022-04-28 03:57:34,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:34,770 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2022-04-28 03:57:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-04-28 03:57:34,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:34,770 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:34,770 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:34,770 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:34,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-04-28 03:57:34,771 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 41 [2022-04-28 03:57:34,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:34,771 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-04-28 03:57:34,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:34,772 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 51 states and 55 transitions. [2022-04-28 03:57:34,830 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-04-28 03:57:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-28 03:57:34,831 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:34,831 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:34,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:35,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,SelfDestructingSolverStorable59,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:35,044 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:35,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:35,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1879172450, now seen corresponding path program 57 times [2022-04-28 03:57:35,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:35,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1178765282] [2022-04-28 03:57:38,812 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:57:38,945 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:38,946 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:38,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1376440515, now seen corresponding path program 1 times [2022-04-28 03:57:38,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:38,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851900628] [2022-04-28 03:57:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:38,953 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:38,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1879172450, now seen corresponding path program 58 times [2022-04-28 03:57:38,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:38,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629281183] [2022-04-28 03:57:38,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:38,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:39,497 INFO L290 TraceCheckUtils]: 0: Hoare triple {15371#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 03:57:39,497 INFO L290 TraceCheckUtils]: 1: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 03:57:39,497 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L272 TraceCheckUtils]: 0: Hoare triple {15336#true} call ULTIMATE.init(); {15371#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:39,498 INFO L290 TraceCheckUtils]: 1: Hoare triple {15371#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L290 TraceCheckUtils]: 2: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L272 TraceCheckUtils]: 4: Hoare triple {15336#true} call #t~ret7 := main(); {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L290 TraceCheckUtils]: 5: Hoare triple {15336#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L290 TraceCheckUtils]: 6: Hoare triple {15336#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {15336#true} is VALID [2022-04-28 03:57:39,498 INFO L290 TraceCheckUtils]: 7: Hoare triple {15336#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {15341#(= main_~z~0 0)} is VALID [2022-04-28 03:57:39,499 INFO L290 TraceCheckUtils]: 8: Hoare triple {15341#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:39,499 INFO L290 TraceCheckUtils]: 9: Hoare triple {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:39,500 INFO L290 TraceCheckUtils]: 10: Hoare triple {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:39,500 INFO L290 TraceCheckUtils]: 11: Hoare triple {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:39,501 INFO L290 TraceCheckUtils]: 12: Hoare triple {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:39,501 INFO L290 TraceCheckUtils]: 13: Hoare triple {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:39,502 INFO L290 TraceCheckUtils]: 14: Hoare triple {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:39,502 INFO L290 TraceCheckUtils]: 15: Hoare triple {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:39,503 INFO L290 TraceCheckUtils]: 16: Hoare triple {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:39,503 INFO L290 TraceCheckUtils]: 17: Hoare triple {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:39,503 INFO L290 TraceCheckUtils]: 18: Hoare triple {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:39,504 INFO L290 TraceCheckUtils]: 19: Hoare triple {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:39,504 INFO L290 TraceCheckUtils]: 20: Hoare triple {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:39,505 INFO L290 TraceCheckUtils]: 21: Hoare triple {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:39,505 INFO L290 TraceCheckUtils]: 22: Hoare triple {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:39,506 INFO L290 TraceCheckUtils]: 23: Hoare triple {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:39,506 INFO L290 TraceCheckUtils]: 24: Hoare triple {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:39,507 INFO L290 TraceCheckUtils]: 25: Hoare triple {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:39,507 INFO L290 TraceCheckUtils]: 26: Hoare triple {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:39,508 INFO L290 TraceCheckUtils]: 27: Hoare triple {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:39,508 INFO L290 TraceCheckUtils]: 28: Hoare triple {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:39,509 INFO L290 TraceCheckUtils]: 29: Hoare triple {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:39,509 INFO L290 TraceCheckUtils]: 30: Hoare triple {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:39,510 INFO L290 TraceCheckUtils]: 31: Hoare triple {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:39,510 INFO L290 TraceCheckUtils]: 32: Hoare triple {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:39,510 INFO L290 TraceCheckUtils]: 33: Hoare triple {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:39,516 INFO L290 TraceCheckUtils]: 34: Hoare triple {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:39,516 INFO L290 TraceCheckUtils]: 35: Hoare triple {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:39,517 INFO L290 TraceCheckUtils]: 36: Hoare triple {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15370#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 29))} is VALID [2022-04-28 03:57:39,517 INFO L290 TraceCheckUtils]: 37: Hoare triple {15370#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 29))} assume !(~z~0 % 4294967296 < 268435455); {15337#false} is VALID [2022-04-28 03:57:39,517 INFO L272 TraceCheckUtils]: 38: Hoare triple {15337#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {15337#false} is VALID [2022-04-28 03:57:39,517 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#false} ~cond := #in~cond; {15337#false} is VALID [2022-04-28 03:57:39,517 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#false} assume 0 == ~cond; {15337#false} is VALID [2022-04-28 03:57:39,517 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#false} assume !false; {15337#false} is VALID [2022-04-28 03:57:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:39,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629281183] [2022-04-28 03:57:39,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629281183] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424362758] [2022-04-28 03:57:39,518 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:57:39,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:39,519 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:39,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-04-28 03:57:39,611 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:57:39,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:39,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 61 conjunts are in the unsatisfiable core [2022-04-28 03:57:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:39,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:39,984 INFO L272 TraceCheckUtils]: 0: Hoare triple {15336#true} call ULTIMATE.init(); {15336#true} is VALID [2022-04-28 03:57:39,984 INFO L290 TraceCheckUtils]: 1: Hoare triple {15336#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 03:57:39,984 INFO L290 TraceCheckUtils]: 2: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 03:57:39,984 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 03:57:39,984 INFO L272 TraceCheckUtils]: 4: Hoare triple {15336#true} call #t~ret7 := main(); {15336#true} is VALID [2022-04-28 03:57:39,984 INFO L290 TraceCheckUtils]: 5: Hoare triple {15336#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {15336#true} is VALID [2022-04-28 03:57:39,985 INFO L290 TraceCheckUtils]: 6: Hoare triple {15336#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {15336#true} is VALID [2022-04-28 03:57:39,985 INFO L290 TraceCheckUtils]: 7: Hoare triple {15336#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {15341#(= main_~z~0 0)} is VALID [2022-04-28 03:57:39,985 INFO L290 TraceCheckUtils]: 8: Hoare triple {15341#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:39,986 INFO L290 TraceCheckUtils]: 9: Hoare triple {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:39,986 INFO L290 TraceCheckUtils]: 10: Hoare triple {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:39,987 INFO L290 TraceCheckUtils]: 11: Hoare triple {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:39,987 INFO L290 TraceCheckUtils]: 12: Hoare triple {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:39,988 INFO L290 TraceCheckUtils]: 13: Hoare triple {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:39,988 INFO L290 TraceCheckUtils]: 14: Hoare triple {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:39,989 INFO L290 TraceCheckUtils]: 15: Hoare triple {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:39,989 INFO L290 TraceCheckUtils]: 16: Hoare triple {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:39,990 INFO L290 TraceCheckUtils]: 17: Hoare triple {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:39,990 INFO L290 TraceCheckUtils]: 18: Hoare triple {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:39,990 INFO L290 TraceCheckUtils]: 19: Hoare triple {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:39,991 INFO L290 TraceCheckUtils]: 20: Hoare triple {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:39,991 INFO L290 TraceCheckUtils]: 21: Hoare triple {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:39,992 INFO L290 TraceCheckUtils]: 22: Hoare triple {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:39,992 INFO L290 TraceCheckUtils]: 23: Hoare triple {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:39,993 INFO L290 TraceCheckUtils]: 24: Hoare triple {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:39,993 INFO L290 TraceCheckUtils]: 25: Hoare triple {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:39,994 INFO L290 TraceCheckUtils]: 26: Hoare triple {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:39,994 INFO L290 TraceCheckUtils]: 27: Hoare triple {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:39,995 INFO L290 TraceCheckUtils]: 28: Hoare triple {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:39,995 INFO L290 TraceCheckUtils]: 29: Hoare triple {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:39,996 INFO L290 TraceCheckUtils]: 30: Hoare triple {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:39,996 INFO L290 TraceCheckUtils]: 31: Hoare triple {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:39,997 INFO L290 TraceCheckUtils]: 32: Hoare triple {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:39,997 INFO L290 TraceCheckUtils]: 33: Hoare triple {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:39,998 INFO L290 TraceCheckUtils]: 34: Hoare triple {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:39,998 INFO L290 TraceCheckUtils]: 35: Hoare triple {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:39,999 INFO L290 TraceCheckUtils]: 36: Hoare triple {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15483#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:57:39,999 INFO L290 TraceCheckUtils]: 37: Hoare triple {15483#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {15337#false} is VALID [2022-04-28 03:57:39,999 INFO L272 TraceCheckUtils]: 38: Hoare triple {15337#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {15337#false} is VALID [2022-04-28 03:57:39,999 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#false} ~cond := #in~cond; {15337#false} is VALID [2022-04-28 03:57:39,999 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#false} assume 0 == ~cond; {15337#false} is VALID [2022-04-28 03:57:39,999 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#false} assume !false; {15337#false} is VALID [2022-04-28 03:57:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:40,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:41,425 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#false} assume !false; {15337#false} is VALID [2022-04-28 03:57:41,425 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#false} assume 0 == ~cond; {15337#false} is VALID [2022-04-28 03:57:41,425 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#false} ~cond := #in~cond; {15337#false} is VALID [2022-04-28 03:57:41,425 INFO L272 TraceCheckUtils]: 38: Hoare triple {15337#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {15337#false} is VALID [2022-04-28 03:57:41,425 INFO L290 TraceCheckUtils]: 37: Hoare triple {15511#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {15337#false} is VALID [2022-04-28 03:57:41,426 INFO L290 TraceCheckUtils]: 36: Hoare triple {15515#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15511#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,427 INFO L290 TraceCheckUtils]: 35: Hoare triple {15519#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15515#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,427 INFO L290 TraceCheckUtils]: 34: Hoare triple {15523#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15519#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,428 INFO L290 TraceCheckUtils]: 33: Hoare triple {15527#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15523#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,429 INFO L290 TraceCheckUtils]: 32: Hoare triple {15531#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15527#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,429 INFO L290 TraceCheckUtils]: 31: Hoare triple {15535#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15531#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,430 INFO L290 TraceCheckUtils]: 30: Hoare triple {15539#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15535#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,430 INFO L290 TraceCheckUtils]: 29: Hoare triple {15543#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15539#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,431 INFO L290 TraceCheckUtils]: 28: Hoare triple {15547#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15543#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,433 INFO L290 TraceCheckUtils]: 27: Hoare triple {15551#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15547#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,434 INFO L290 TraceCheckUtils]: 26: Hoare triple {15555#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15551#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,434 INFO L290 TraceCheckUtils]: 25: Hoare triple {15559#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15555#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,435 INFO L290 TraceCheckUtils]: 24: Hoare triple {15563#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15559#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,435 INFO L290 TraceCheckUtils]: 23: Hoare triple {15567#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15563#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,436 INFO L290 TraceCheckUtils]: 22: Hoare triple {15571#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15567#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,439 INFO L290 TraceCheckUtils]: 21: Hoare triple {15575#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15571#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,440 INFO L290 TraceCheckUtils]: 20: Hoare triple {15579#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15575#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,440 INFO L290 TraceCheckUtils]: 19: Hoare triple {15583#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15579#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,441 INFO L290 TraceCheckUtils]: 18: Hoare triple {15587#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15583#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,442 INFO L290 TraceCheckUtils]: 17: Hoare triple {15591#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15587#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,442 INFO L290 TraceCheckUtils]: 16: Hoare triple {15595#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15591#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,443 INFO L290 TraceCheckUtils]: 15: Hoare triple {15599#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15595#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,443 INFO L290 TraceCheckUtils]: 14: Hoare triple {15603#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15599#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,444 INFO L290 TraceCheckUtils]: 13: Hoare triple {15607#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15603#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,445 INFO L290 TraceCheckUtils]: 12: Hoare triple {15611#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15607#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,445 INFO L290 TraceCheckUtils]: 11: Hoare triple {15615#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15611#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,446 INFO L290 TraceCheckUtils]: 10: Hoare triple {15619#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15615#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,446 INFO L290 TraceCheckUtils]: 9: Hoare triple {15623#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15619#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,447 INFO L290 TraceCheckUtils]: 8: Hoare triple {15627#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15623#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,447 INFO L290 TraceCheckUtils]: 7: Hoare triple {15336#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {15627#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:41,447 INFO L290 TraceCheckUtils]: 6: Hoare triple {15336#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {15336#true} is VALID [2022-04-28 03:57:41,447 INFO L290 TraceCheckUtils]: 5: Hoare triple {15336#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {15336#true} is VALID [2022-04-28 03:57:41,448 INFO L272 TraceCheckUtils]: 4: Hoare triple {15336#true} call #t~ret7 := main(); {15336#true} is VALID [2022-04-28 03:57:41,448 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 03:57:41,448 INFO L290 TraceCheckUtils]: 2: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 03:57:41,448 INFO L290 TraceCheckUtils]: 1: Hoare triple {15336#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 03:57:41,448 INFO L272 TraceCheckUtils]: 0: Hoare triple {15336#true} call ULTIMATE.init(); {15336#true} is VALID [2022-04-28 03:57:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:41,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424362758] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:41,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:41,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 64 [2022-04-28 03:57:41,449 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:41,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1178765282] [2022-04-28 03:57:41,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1178765282] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:41,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:41,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-04-28 03:57:41,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156005902] [2022-04-28 03:57:41,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:41,449 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-04-28 03:57:41,449 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:41,449 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:41,471 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:41,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-04-28 03:57:41,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:41,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-04-28 03:57:41,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=2947, Unknown=0, NotChecked=0, Total=4032 [2022-04-28 03:57:41,473 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:43,408 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2022-04-28 03:57:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-28 03:57:43,409 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-04-28 03:57:43,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 75 transitions. [2022-04-28 03:57:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 75 transitions. [2022-04-28 03:57:43,411 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 33 states and 75 transitions. [2022-04-28 03:57:43,481 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:43,482 INFO L225 Difference]: With dead ends: 97 [2022-04-28 03:57:43,482 INFO L226 Difference]: Without dead ends: 53 [2022-04-28 03:57:43,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2163, Invalid=6579, Unknown=0, NotChecked=0, Total=8742 [2022-04-28 03:57:43,483 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:43,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-28 03:57:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-28 03:57:43,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2022-04-28 03:57:43,519 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:43,519 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:43,520 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:43,520 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:43,521 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-04-28 03:57:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-28 03:57:43,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:43,522 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:43,522 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 53 states. [2022-04-28 03:57:43,522 INFO L87 Difference]: Start difference. First operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 53 states. [2022-04-28 03:57:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:43,523 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-04-28 03:57:43,523 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-28 03:57:43,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:43,523 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:43,524 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:43,524 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-04-28 03:57:43,525 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 42 [2022-04-28 03:57:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:43,525 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-04-28 03:57:43,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:43,525 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 52 states and 56 transitions. [2022-04-28 03:57:43,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-04-28 03:57:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-28 03:57:43,609 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:43,609 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:43,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:43,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:43,810 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:43,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:43,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1848893630, now seen corresponding path program 59 times [2022-04-28 03:57:43,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:43,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1506576688] [2022-04-28 03:57:44,202 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:44,203 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1435545859, now seen corresponding path program 1 times [2022-04-28 03:57:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:44,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555895370] [2022-04-28 03:57:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:44,210 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:44,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1848893630, now seen corresponding path program 60 times [2022-04-28 03:57:44,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:44,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694937471] [2022-04-28 03:57:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:44,796 INFO L290 TraceCheckUtils]: 0: Hoare triple {16155#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L290 TraceCheckUtils]: 1: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L272 TraceCheckUtils]: 0: Hoare triple {16119#true} call ULTIMATE.init(); {16155#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:44,797 INFO L290 TraceCheckUtils]: 1: Hoare triple {16155#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L290 TraceCheckUtils]: 2: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L272 TraceCheckUtils]: 4: Hoare triple {16119#true} call #t~ret7 := main(); {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L290 TraceCheckUtils]: 5: Hoare triple {16119#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16119#true} is VALID [2022-04-28 03:57:44,797 INFO L290 TraceCheckUtils]: 6: Hoare triple {16119#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16119#true} is VALID [2022-04-28 03:57:44,798 INFO L290 TraceCheckUtils]: 7: Hoare triple {16119#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16124#(= main_~z~0 0)} is VALID [2022-04-28 03:57:44,798 INFO L290 TraceCheckUtils]: 8: Hoare triple {16124#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:44,799 INFO L290 TraceCheckUtils]: 9: Hoare triple {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:44,799 INFO L290 TraceCheckUtils]: 10: Hoare triple {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:44,800 INFO L290 TraceCheckUtils]: 11: Hoare triple {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:44,800 INFO L290 TraceCheckUtils]: 12: Hoare triple {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:44,801 INFO L290 TraceCheckUtils]: 13: Hoare triple {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:44,801 INFO L290 TraceCheckUtils]: 14: Hoare triple {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:44,801 INFO L290 TraceCheckUtils]: 15: Hoare triple {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:44,802 INFO L290 TraceCheckUtils]: 16: Hoare triple {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:44,802 INFO L290 TraceCheckUtils]: 17: Hoare triple {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:44,803 INFO L290 TraceCheckUtils]: 18: Hoare triple {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:44,803 INFO L290 TraceCheckUtils]: 19: Hoare triple {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:44,804 INFO L290 TraceCheckUtils]: 20: Hoare triple {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:44,804 INFO L290 TraceCheckUtils]: 21: Hoare triple {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:44,805 INFO L290 TraceCheckUtils]: 22: Hoare triple {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:44,805 INFO L290 TraceCheckUtils]: 23: Hoare triple {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:44,806 INFO L290 TraceCheckUtils]: 24: Hoare triple {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:44,806 INFO L290 TraceCheckUtils]: 25: Hoare triple {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:44,807 INFO L290 TraceCheckUtils]: 26: Hoare triple {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:44,807 INFO L290 TraceCheckUtils]: 27: Hoare triple {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:44,808 INFO L290 TraceCheckUtils]: 28: Hoare triple {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:44,808 INFO L290 TraceCheckUtils]: 29: Hoare triple {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:44,809 INFO L290 TraceCheckUtils]: 30: Hoare triple {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:44,809 INFO L290 TraceCheckUtils]: 31: Hoare triple {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:44,810 INFO L290 TraceCheckUtils]: 32: Hoare triple {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:44,810 INFO L290 TraceCheckUtils]: 33: Hoare triple {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:44,810 INFO L290 TraceCheckUtils]: 34: Hoare triple {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:44,811 INFO L290 TraceCheckUtils]: 35: Hoare triple {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:44,811 INFO L290 TraceCheckUtils]: 36: Hoare triple {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:57:44,812 INFO L290 TraceCheckUtils]: 37: Hoare triple {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16154#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 30))} is VALID [2022-04-28 03:57:44,812 INFO L290 TraceCheckUtils]: 38: Hoare triple {16154#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 30))} assume !(~z~0 % 4294967296 < 268435455); {16120#false} is VALID [2022-04-28 03:57:44,812 INFO L272 TraceCheckUtils]: 39: Hoare triple {16120#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16120#false} is VALID [2022-04-28 03:57:44,813 INFO L290 TraceCheckUtils]: 40: Hoare triple {16120#false} ~cond := #in~cond; {16120#false} is VALID [2022-04-28 03:57:44,813 INFO L290 TraceCheckUtils]: 41: Hoare triple {16120#false} assume 0 == ~cond; {16120#false} is VALID [2022-04-28 03:57:44,813 INFO L290 TraceCheckUtils]: 42: Hoare triple {16120#false} assume !false; {16120#false} is VALID [2022-04-28 03:57:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:44,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694937471] [2022-04-28 03:57:44,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694937471] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307609299] [2022-04-28 03:57:44,813 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:57:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:44,814 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:44,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-04-28 03:57:45,721 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-04-28 03:57:45,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:45,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-28 03:57:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:45,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:46,028 INFO L272 TraceCheckUtils]: 0: Hoare triple {16119#true} call ULTIMATE.init(); {16119#true} is VALID [2022-04-28 03:57:46,028 INFO L290 TraceCheckUtils]: 1: Hoare triple {16119#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 03:57:46,029 INFO L290 TraceCheckUtils]: 2: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 03:57:46,029 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 03:57:46,029 INFO L272 TraceCheckUtils]: 4: Hoare triple {16119#true} call #t~ret7 := main(); {16119#true} is VALID [2022-04-28 03:57:46,029 INFO L290 TraceCheckUtils]: 5: Hoare triple {16119#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16119#true} is VALID [2022-04-28 03:57:46,029 INFO L290 TraceCheckUtils]: 6: Hoare triple {16119#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16119#true} is VALID [2022-04-28 03:57:46,029 INFO L290 TraceCheckUtils]: 7: Hoare triple {16119#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16124#(= main_~z~0 0)} is VALID [2022-04-28 03:57:46,030 INFO L290 TraceCheckUtils]: 8: Hoare triple {16124#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:46,030 INFO L290 TraceCheckUtils]: 9: Hoare triple {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:46,031 INFO L290 TraceCheckUtils]: 10: Hoare triple {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:46,031 INFO L290 TraceCheckUtils]: 11: Hoare triple {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:46,032 INFO L290 TraceCheckUtils]: 12: Hoare triple {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:46,032 INFO L290 TraceCheckUtils]: 13: Hoare triple {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:46,033 INFO L290 TraceCheckUtils]: 14: Hoare triple {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:46,034 INFO L290 TraceCheckUtils]: 15: Hoare triple {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:46,034 INFO L290 TraceCheckUtils]: 16: Hoare triple {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:46,035 INFO L290 TraceCheckUtils]: 17: Hoare triple {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:46,035 INFO L290 TraceCheckUtils]: 18: Hoare triple {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:46,036 INFO L290 TraceCheckUtils]: 19: Hoare triple {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:46,036 INFO L290 TraceCheckUtils]: 20: Hoare triple {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:46,037 INFO L290 TraceCheckUtils]: 21: Hoare triple {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:46,037 INFO L290 TraceCheckUtils]: 22: Hoare triple {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:46,038 INFO L290 TraceCheckUtils]: 23: Hoare triple {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:46,038 INFO L290 TraceCheckUtils]: 24: Hoare triple {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:46,039 INFO L290 TraceCheckUtils]: 25: Hoare triple {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:46,039 INFO L290 TraceCheckUtils]: 26: Hoare triple {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:46,040 INFO L290 TraceCheckUtils]: 27: Hoare triple {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:46,040 INFO L290 TraceCheckUtils]: 28: Hoare triple {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:46,041 INFO L290 TraceCheckUtils]: 29: Hoare triple {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:46,041 INFO L290 TraceCheckUtils]: 30: Hoare triple {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:46,042 INFO L290 TraceCheckUtils]: 31: Hoare triple {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:46,042 INFO L290 TraceCheckUtils]: 32: Hoare triple {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:46,043 INFO L290 TraceCheckUtils]: 33: Hoare triple {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:46,043 INFO L290 TraceCheckUtils]: 34: Hoare triple {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:46,044 INFO L290 TraceCheckUtils]: 35: Hoare triple {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:46,044 INFO L290 TraceCheckUtils]: 36: Hoare triple {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:57:46,045 INFO L290 TraceCheckUtils]: 37: Hoare triple {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16270#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:57:46,045 INFO L290 TraceCheckUtils]: 38: Hoare triple {16270#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !(~z~0 % 4294967296 < 268435455); {16120#false} is VALID [2022-04-28 03:57:46,045 INFO L272 TraceCheckUtils]: 39: Hoare triple {16120#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16120#false} is VALID [2022-04-28 03:57:46,045 INFO L290 TraceCheckUtils]: 40: Hoare triple {16120#false} ~cond := #in~cond; {16120#false} is VALID [2022-04-28 03:57:46,045 INFO L290 TraceCheckUtils]: 41: Hoare triple {16120#false} assume 0 == ~cond; {16120#false} is VALID [2022-04-28 03:57:46,045 INFO L290 TraceCheckUtils]: 42: Hoare triple {16120#false} assume !false; {16120#false} is VALID [2022-04-28 03:57:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:46,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:48,409 INFO L290 TraceCheckUtils]: 42: Hoare triple {16120#false} assume !false; {16120#false} is VALID [2022-04-28 03:57:48,414 INFO L290 TraceCheckUtils]: 41: Hoare triple {16289#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {16120#false} is VALID [2022-04-28 03:57:48,414 INFO L290 TraceCheckUtils]: 40: Hoare triple {16293#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16289#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 03:57:48,415 INFO L272 TraceCheckUtils]: 39: Hoare triple {16297#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16293#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:57:48,416 INFO L290 TraceCheckUtils]: 38: Hoare triple {16301#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {16297#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:57:48,417 INFO L290 TraceCheckUtils]: 37: Hoare triple {16305#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16301#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:57:48,418 INFO L290 TraceCheckUtils]: 36: Hoare triple {16309#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16305#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:57:48,419 INFO L290 TraceCheckUtils]: 35: Hoare triple {16313#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16309#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,421 INFO L290 TraceCheckUtils]: 34: Hoare triple {16317#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16313#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,423 INFO L290 TraceCheckUtils]: 33: Hoare triple {16321#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16317#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,423 INFO L290 TraceCheckUtils]: 32: Hoare triple {16325#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16321#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:57:48,425 INFO L290 TraceCheckUtils]: 31: Hoare triple {16329#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16325#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,427 INFO L290 TraceCheckUtils]: 30: Hoare triple {16333#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16329#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,428 INFO L290 TraceCheckUtils]: 29: Hoare triple {16337#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16333#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:57:48,429 INFO L290 TraceCheckUtils]: 28: Hoare triple {16341#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16337#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,429 INFO L290 TraceCheckUtils]: 27: Hoare triple {16345#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16341#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,437 INFO L290 TraceCheckUtils]: 26: Hoare triple {16349#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16345#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,441 INFO L290 TraceCheckUtils]: 25: Hoare triple {16353#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16349#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,442 INFO L290 TraceCheckUtils]: 24: Hoare triple {16357#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16353#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:57:48,443 INFO L290 TraceCheckUtils]: 23: Hoare triple {16361#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16357#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,445 INFO L290 TraceCheckUtils]: 22: Hoare triple {16365#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16361#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,457 INFO L290 TraceCheckUtils]: 21: Hoare triple {16369#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16365#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:57:48,458 INFO L290 TraceCheckUtils]: 20: Hoare triple {16373#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16369#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:57:48,458 INFO L290 TraceCheckUtils]: 19: Hoare triple {16377#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16373#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,460 INFO L290 TraceCheckUtils]: 18: Hoare triple {16381#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16377#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,460 INFO L290 TraceCheckUtils]: 17: Hoare triple {16385#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16381#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:57:48,461 INFO L290 TraceCheckUtils]: 16: Hoare triple {16389#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16385#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:57:48,462 INFO L290 TraceCheckUtils]: 15: Hoare triple {16393#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16389#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,464 INFO L290 TraceCheckUtils]: 14: Hoare triple {16397#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16393#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,465 INFO L290 TraceCheckUtils]: 13: Hoare triple {16401#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16397#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:57:48,466 INFO L290 TraceCheckUtils]: 12: Hoare triple {16405#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16401#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,466 INFO L290 TraceCheckUtils]: 11: Hoare triple {16409#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16405#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,468 INFO L290 TraceCheckUtils]: 10: Hoare triple {16413#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16409#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:57:48,469 INFO L290 TraceCheckUtils]: 9: Hoare triple {16417#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16413#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:57:48,469 INFO L290 TraceCheckUtils]: 8: Hoare triple {16421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16417#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,470 INFO L290 TraceCheckUtils]: 7: Hoare triple {16119#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 03:57:48,470 INFO L290 TraceCheckUtils]: 6: Hoare triple {16119#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16119#true} is VALID [2022-04-28 03:57:48,470 INFO L290 TraceCheckUtils]: 5: Hoare triple {16119#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16119#true} is VALID [2022-04-28 03:57:48,470 INFO L272 TraceCheckUtils]: 4: Hoare triple {16119#true} call #t~ret7 := main(); {16119#true} is VALID [2022-04-28 03:57:48,470 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 03:57:48,470 INFO L290 TraceCheckUtils]: 2: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 03:57:48,470 INFO L290 TraceCheckUtils]: 1: Hoare triple {16119#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 03:57:48,470 INFO L272 TraceCheckUtils]: 0: Hoare triple {16119#true} call ULTIMATE.init(); {16119#true} is VALID [2022-04-28 03:57:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:48,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307609299] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:48,471 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:48,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 36] total 69 [2022-04-28 03:57:48,471 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:48,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1506576688] [2022-04-28 03:57:48,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1506576688] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:48,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:48,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-04-28 03:57:48,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963339110] [2022-04-28 03:57:48,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:48,472 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-04-28 03:57:48,472 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:48,472 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:48,494 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:48,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-04-28 03:57:48,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:48,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-04-28 03:57:48,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1174, Invalid=3518, Unknown=0, NotChecked=0, Total=4692 [2022-04-28 03:57:48,495 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:50,907 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2022-04-28 03:57:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-04-28 03:57:50,907 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-04-28 03:57:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 76 transitions. [2022-04-28 03:57:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 76 transitions. [2022-04-28 03:57:50,909 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 76 transitions. [2022-04-28 03:57:50,968 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:50,969 INFO L225 Difference]: With dead ends: 99 [2022-04-28 03:57:50,969 INFO L226 Difference]: Without dead ends: 54 [2022-04-28 03:57:50,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2327, Invalid=7573, Unknown=0, NotChecked=0, Total=9900 [2022-04-28 03:57:50,970 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:50,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 123 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-28 03:57:50,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-04-28 03:57:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2022-04-28 03:57:51,021 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:51,021 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:51,021 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:51,021 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:51,023 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-04-28 03:57:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-04-28 03:57:51,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:51,024 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:51,024 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 54 states. [2022-04-28 03:57:51,024 INFO L87 Difference]: Start difference. First operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 54 states. [2022-04-28 03:57:51,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:51,025 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-04-28 03:57:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-04-28 03:57:51,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:51,025 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:51,025 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:51,025 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2022-04-28 03:57:51,026 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 43 [2022-04-28 03:57:51,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:51,026 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2022-04-28 03:57:51,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:51,026 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 53 states and 57 transitions. [2022-04-28 03:57:51,079 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-28 03:57:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-28 03:57:51,079 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:51,080 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:51,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:51,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63 [2022-04-28 03:57:51,280 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1454825118, now seen corresponding path program 61 times [2022-04-28 03:57:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:51,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [514390944] [2022-04-28 03:57:51,640 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:51,641 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1494651203, now seen corresponding path program 1 times [2022-04-28 03:57:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:51,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104936949] [2022-04-28 03:57:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:51,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:51,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:51,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1454825118, now seen corresponding path program 62 times [2022-04-28 03:57:51,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:51,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210985674] [2022-04-28 03:57:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:51,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:57:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:52,312 INFO L290 TraceCheckUtils]: 0: Hoare triple {16960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 03:57:52,312 INFO L290 TraceCheckUtils]: 1: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 03:57:52,312 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L272 TraceCheckUtils]: 0: Hoare triple {16923#true} call ULTIMATE.init(); {16960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:57:52,313 INFO L290 TraceCheckUtils]: 1: Hoare triple {16960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L290 TraceCheckUtils]: 2: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L272 TraceCheckUtils]: 4: Hoare triple {16923#true} call #t~ret7 := main(); {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L290 TraceCheckUtils]: 5: Hoare triple {16923#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L290 TraceCheckUtils]: 6: Hoare triple {16923#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16923#true} is VALID [2022-04-28 03:57:52,313 INFO L290 TraceCheckUtils]: 7: Hoare triple {16923#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16928#(= main_~z~0 0)} is VALID [2022-04-28 03:57:52,314 INFO L290 TraceCheckUtils]: 8: Hoare triple {16928#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:52,314 INFO L290 TraceCheckUtils]: 9: Hoare triple {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:52,315 INFO L290 TraceCheckUtils]: 10: Hoare triple {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:52,315 INFO L290 TraceCheckUtils]: 11: Hoare triple {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:52,316 INFO L290 TraceCheckUtils]: 12: Hoare triple {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:52,316 INFO L290 TraceCheckUtils]: 13: Hoare triple {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:52,317 INFO L290 TraceCheckUtils]: 14: Hoare triple {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:52,317 INFO L290 TraceCheckUtils]: 15: Hoare triple {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:52,318 INFO L290 TraceCheckUtils]: 16: Hoare triple {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:52,318 INFO L290 TraceCheckUtils]: 17: Hoare triple {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:52,319 INFO L290 TraceCheckUtils]: 18: Hoare triple {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:52,319 INFO L290 TraceCheckUtils]: 19: Hoare triple {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:52,320 INFO L290 TraceCheckUtils]: 20: Hoare triple {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:52,320 INFO L290 TraceCheckUtils]: 21: Hoare triple {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:52,321 INFO L290 TraceCheckUtils]: 22: Hoare triple {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:52,321 INFO L290 TraceCheckUtils]: 23: Hoare triple {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:52,322 INFO L290 TraceCheckUtils]: 24: Hoare triple {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:52,322 INFO L290 TraceCheckUtils]: 25: Hoare triple {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:52,323 INFO L290 TraceCheckUtils]: 26: Hoare triple {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:52,323 INFO L290 TraceCheckUtils]: 27: Hoare triple {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:52,324 INFO L290 TraceCheckUtils]: 28: Hoare triple {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:52,324 INFO L290 TraceCheckUtils]: 29: Hoare triple {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:52,325 INFO L290 TraceCheckUtils]: 30: Hoare triple {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:52,325 INFO L290 TraceCheckUtils]: 31: Hoare triple {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:52,326 INFO L290 TraceCheckUtils]: 32: Hoare triple {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:52,326 INFO L290 TraceCheckUtils]: 33: Hoare triple {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:52,327 INFO L290 TraceCheckUtils]: 34: Hoare triple {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:52,327 INFO L290 TraceCheckUtils]: 35: Hoare triple {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:52,328 INFO L290 TraceCheckUtils]: 36: Hoare triple {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:57:52,328 INFO L290 TraceCheckUtils]: 37: Hoare triple {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:57:52,329 INFO L290 TraceCheckUtils]: 38: Hoare triple {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16959#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 31))} is VALID [2022-04-28 03:57:52,329 INFO L290 TraceCheckUtils]: 39: Hoare triple {16959#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 31))} assume !(~z~0 % 4294967296 < 268435455); {16924#false} is VALID [2022-04-28 03:57:52,329 INFO L272 TraceCheckUtils]: 40: Hoare triple {16924#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16924#false} is VALID [2022-04-28 03:57:52,330 INFO L290 TraceCheckUtils]: 41: Hoare triple {16924#false} ~cond := #in~cond; {16924#false} is VALID [2022-04-28 03:57:52,330 INFO L290 TraceCheckUtils]: 42: Hoare triple {16924#false} assume 0 == ~cond; {16924#false} is VALID [2022-04-28 03:57:52,330 INFO L290 TraceCheckUtils]: 43: Hoare triple {16924#false} assume !false; {16924#false} is VALID [2022-04-28 03:57:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:52,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:57:52,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210985674] [2022-04-28 03:57:52,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210985674] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:57:52,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745221749] [2022-04-28 03:57:52,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:57:52,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:52,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:57:52,332 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:57:52,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-04-28 03:57:52,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:57:52,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:57:52,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 65 conjunts are in the unsatisfiable core [2022-04-28 03:57:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:57:52,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:57:52,864 INFO L272 TraceCheckUtils]: 0: Hoare triple {16923#true} call ULTIMATE.init(); {16923#true} is VALID [2022-04-28 03:57:52,864 INFO L290 TraceCheckUtils]: 1: Hoare triple {16923#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 03:57:52,864 INFO L290 TraceCheckUtils]: 2: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 03:57:52,864 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 03:57:52,864 INFO L272 TraceCheckUtils]: 4: Hoare triple {16923#true} call #t~ret7 := main(); {16923#true} is VALID [2022-04-28 03:57:52,865 INFO L290 TraceCheckUtils]: 5: Hoare triple {16923#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16923#true} is VALID [2022-04-28 03:57:52,865 INFO L290 TraceCheckUtils]: 6: Hoare triple {16923#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16923#true} is VALID [2022-04-28 03:57:52,865 INFO L290 TraceCheckUtils]: 7: Hoare triple {16923#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16928#(= main_~z~0 0)} is VALID [2022-04-28 03:57:52,880 INFO L290 TraceCheckUtils]: 8: Hoare triple {16928#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:57:52,880 INFO L290 TraceCheckUtils]: 9: Hoare triple {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:57:52,881 INFO L290 TraceCheckUtils]: 10: Hoare triple {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:57:52,881 INFO L290 TraceCheckUtils]: 11: Hoare triple {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:57:52,882 INFO L290 TraceCheckUtils]: 12: Hoare triple {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:57:52,882 INFO L290 TraceCheckUtils]: 13: Hoare triple {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:57:52,883 INFO L290 TraceCheckUtils]: 14: Hoare triple {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:57:52,883 INFO L290 TraceCheckUtils]: 15: Hoare triple {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:57:52,884 INFO L290 TraceCheckUtils]: 16: Hoare triple {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:57:52,884 INFO L290 TraceCheckUtils]: 17: Hoare triple {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:57:52,885 INFO L290 TraceCheckUtils]: 18: Hoare triple {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:57:52,885 INFO L290 TraceCheckUtils]: 19: Hoare triple {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:57:52,886 INFO L290 TraceCheckUtils]: 20: Hoare triple {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:57:52,887 INFO L290 TraceCheckUtils]: 21: Hoare triple {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:57:52,887 INFO L290 TraceCheckUtils]: 22: Hoare triple {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:57:52,888 INFO L290 TraceCheckUtils]: 23: Hoare triple {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:57:52,888 INFO L290 TraceCheckUtils]: 24: Hoare triple {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:57:52,889 INFO L290 TraceCheckUtils]: 25: Hoare triple {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:57:52,889 INFO L290 TraceCheckUtils]: 26: Hoare triple {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:57:52,890 INFO L290 TraceCheckUtils]: 27: Hoare triple {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:57:52,890 INFO L290 TraceCheckUtils]: 28: Hoare triple {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:57:52,891 INFO L290 TraceCheckUtils]: 29: Hoare triple {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:57:52,891 INFO L290 TraceCheckUtils]: 30: Hoare triple {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:57:52,892 INFO L290 TraceCheckUtils]: 31: Hoare triple {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:57:52,892 INFO L290 TraceCheckUtils]: 32: Hoare triple {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:57:52,893 INFO L290 TraceCheckUtils]: 33: Hoare triple {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:57:52,893 INFO L290 TraceCheckUtils]: 34: Hoare triple {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:57:52,894 INFO L290 TraceCheckUtils]: 35: Hoare triple {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:57:52,894 INFO L290 TraceCheckUtils]: 36: Hoare triple {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:57:52,895 INFO L290 TraceCheckUtils]: 37: Hoare triple {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:57:52,895 INFO L290 TraceCheckUtils]: 38: Hoare triple {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17078#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:57:52,896 INFO L290 TraceCheckUtils]: 39: Hoare triple {17078#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !(~z~0 % 4294967296 < 268435455); {16924#false} is VALID [2022-04-28 03:57:52,896 INFO L272 TraceCheckUtils]: 40: Hoare triple {16924#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16924#false} is VALID [2022-04-28 03:57:52,896 INFO L290 TraceCheckUtils]: 41: Hoare triple {16924#false} ~cond := #in~cond; {16924#false} is VALID [2022-04-28 03:57:52,896 INFO L290 TraceCheckUtils]: 42: Hoare triple {16924#false} assume 0 == ~cond; {16924#false} is VALID [2022-04-28 03:57:52,896 INFO L290 TraceCheckUtils]: 43: Hoare triple {16924#false} assume !false; {16924#false} is VALID [2022-04-28 03:57:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:52,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:57:54,506 INFO L290 TraceCheckUtils]: 43: Hoare triple {16924#false} assume !false; {16924#false} is VALID [2022-04-28 03:57:54,506 INFO L290 TraceCheckUtils]: 42: Hoare triple {16924#false} assume 0 == ~cond; {16924#false} is VALID [2022-04-28 03:57:54,506 INFO L290 TraceCheckUtils]: 41: Hoare triple {16924#false} ~cond := #in~cond; {16924#false} is VALID [2022-04-28 03:57:54,506 INFO L272 TraceCheckUtils]: 40: Hoare triple {16924#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16924#false} is VALID [2022-04-28 03:57:54,507 INFO L290 TraceCheckUtils]: 39: Hoare triple {17106#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {16924#false} is VALID [2022-04-28 03:57:54,507 INFO L290 TraceCheckUtils]: 38: Hoare triple {17110#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17106#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,508 INFO L290 TraceCheckUtils]: 37: Hoare triple {17114#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17110#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,509 INFO L290 TraceCheckUtils]: 36: Hoare triple {17118#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17114#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,509 INFO L290 TraceCheckUtils]: 35: Hoare triple {17122#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17118#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,510 INFO L290 TraceCheckUtils]: 34: Hoare triple {17126#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17122#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,510 INFO L290 TraceCheckUtils]: 33: Hoare triple {17130#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17126#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,511 INFO L290 TraceCheckUtils]: 32: Hoare triple {17134#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17130#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,512 INFO L290 TraceCheckUtils]: 31: Hoare triple {17138#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17134#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,512 INFO L290 TraceCheckUtils]: 30: Hoare triple {17142#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17138#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,513 INFO L290 TraceCheckUtils]: 29: Hoare triple {17146#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17142#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,513 INFO L290 TraceCheckUtils]: 28: Hoare triple {17150#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17146#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,514 INFO L290 TraceCheckUtils]: 27: Hoare triple {17154#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17150#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,515 INFO L290 TraceCheckUtils]: 26: Hoare triple {17158#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17154#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,515 INFO L290 TraceCheckUtils]: 25: Hoare triple {17162#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17158#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,516 INFO L290 TraceCheckUtils]: 24: Hoare triple {17166#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17162#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,516 INFO L290 TraceCheckUtils]: 23: Hoare triple {17170#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17166#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,517 INFO L290 TraceCheckUtils]: 22: Hoare triple {17174#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17170#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,518 INFO L290 TraceCheckUtils]: 21: Hoare triple {17178#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17174#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,518 INFO L290 TraceCheckUtils]: 20: Hoare triple {17182#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17178#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,519 INFO L290 TraceCheckUtils]: 19: Hoare triple {17186#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17182#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,519 INFO L290 TraceCheckUtils]: 18: Hoare triple {17190#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17186#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,520 INFO L290 TraceCheckUtils]: 17: Hoare triple {17194#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17190#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,521 INFO L290 TraceCheckUtils]: 16: Hoare triple {17198#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17194#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,521 INFO L290 TraceCheckUtils]: 15: Hoare triple {17202#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17198#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,522 INFO L290 TraceCheckUtils]: 14: Hoare triple {17206#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17202#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,522 INFO L290 TraceCheckUtils]: 13: Hoare triple {17210#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17206#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,523 INFO L290 TraceCheckUtils]: 12: Hoare triple {17214#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17210#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,524 INFO L290 TraceCheckUtils]: 11: Hoare triple {17218#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17214#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,524 INFO L290 TraceCheckUtils]: 10: Hoare triple {17222#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17218#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,525 INFO L290 TraceCheckUtils]: 9: Hoare triple {17226#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17222#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,531 INFO L290 TraceCheckUtils]: 8: Hoare triple {17230#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17226#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,531 INFO L290 TraceCheckUtils]: 7: Hoare triple {16923#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17230#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:57:54,531 INFO L290 TraceCheckUtils]: 6: Hoare triple {16923#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L290 TraceCheckUtils]: 5: Hoare triple {16923#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L272 TraceCheckUtils]: 4: Hoare triple {16923#true} call #t~ret7 := main(); {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L290 TraceCheckUtils]: 2: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L290 TraceCheckUtils]: 1: Hoare triple {16923#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L272 TraceCheckUtils]: 0: Hoare triple {16923#true} call ULTIMATE.init(); {16923#true} is VALID [2022-04-28 03:57:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:57:54,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745221749] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:57:54,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:57:54,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 68 [2022-04-28 03:57:54,533 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:57:54,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [514390944] [2022-04-28 03:57:54,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [514390944] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:57:54,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:57:54,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-04-28 03:57:54,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373649522] [2022-04-28 03:57:54,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:57:54,533 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-04-28 03:57:54,533 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:57:54,534 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:54,557 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:54,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-04-28 03:57:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:54,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-04-28 03:57:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=3335, Unknown=0, NotChecked=0, Total=4556 [2022-04-28 03:57:54,558 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:56,807 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2022-04-28 03:57:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-04-28 03:57:56,807 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-04-28 03:57:56,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:57:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 77 transitions. [2022-04-28 03:57:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 77 transitions. [2022-04-28 03:57:56,809 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 77 transitions. [2022-04-28 03:57:56,875 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:56,876 INFO L225 Difference]: With dead ends: 101 [2022-04-28 03:57:56,876 INFO L226 Difference]: Without dead ends: 55 [2022-04-28 03:57:56,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2435, Invalid=7465, Unknown=0, NotChecked=0, Total=9900 [2022-04-28 03:57:56,877 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 03:57:56,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 03:57:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-28 03:57:56,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-04-28 03:57:56,937 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:57:56,937 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:56,938 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:56,938 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:56,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:56,939 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-04-28 03:57:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-04-28 03:57:56,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:56,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:56,940 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 55 states. [2022-04-28 03:57:56,940 INFO L87 Difference]: Start difference. First operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 55 states. [2022-04-28 03:57:56,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:57:56,941 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-04-28 03:57:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-04-28 03:57:56,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:57:56,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:57:56,941 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:57:56,941 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:57:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:57:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2022-04-28 03:57:56,942 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 44 [2022-04-28 03:57:56,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:57:56,942 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2022-04-28 03:57:56,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:57:56,942 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 54 states and 58 transitions. [2022-04-28 03:57:56,997 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:57:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-04-28 03:57:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-28 03:57:56,997 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:57:56,998 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:57:57,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-04-28 03:57:57,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:57:57,207 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:57:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:57:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2123603134, now seen corresponding path program 63 times [2022-04-28 03:57:57,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:57:57,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [851248062] [2022-04-28 03:57:59,832 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:57:59,964 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:57:59,965 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:57:59,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1553756547, now seen corresponding path program 1 times [2022-04-28 03:57:59,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:59,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787338131] [2022-04-28 03:57:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:59,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:57:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:59,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:57:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:57:59,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:57:59,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2123603134, now seen corresponding path program 64 times [2022-04-28 03:57:59,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:57:59,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790835743] [2022-04-28 03:57:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:57:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:00,644 INFO L290 TraceCheckUtils]: 0: Hoare triple {17780#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 03:58:00,644 INFO L290 TraceCheckUtils]: 1: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 03:58:00,644 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L272 TraceCheckUtils]: 0: Hoare triple {17742#true} call ULTIMATE.init(); {17780#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:00,645 INFO L290 TraceCheckUtils]: 1: Hoare triple {17780#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L290 TraceCheckUtils]: 2: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L272 TraceCheckUtils]: 4: Hoare triple {17742#true} call #t~ret7 := main(); {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L290 TraceCheckUtils]: 5: Hoare triple {17742#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L290 TraceCheckUtils]: 6: Hoare triple {17742#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {17742#true} is VALID [2022-04-28 03:58:00,645 INFO L290 TraceCheckUtils]: 7: Hoare triple {17742#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17747#(= main_~z~0 0)} is VALID [2022-04-28 03:58:00,646 INFO L290 TraceCheckUtils]: 8: Hoare triple {17747#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:00,646 INFO L290 TraceCheckUtils]: 9: Hoare triple {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:00,647 INFO L290 TraceCheckUtils]: 10: Hoare triple {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:00,647 INFO L290 TraceCheckUtils]: 11: Hoare triple {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:00,648 INFO L290 TraceCheckUtils]: 12: Hoare triple {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:00,648 INFO L290 TraceCheckUtils]: 13: Hoare triple {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:00,649 INFO L290 TraceCheckUtils]: 14: Hoare triple {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:00,649 INFO L290 TraceCheckUtils]: 15: Hoare triple {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:00,650 INFO L290 TraceCheckUtils]: 16: Hoare triple {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:00,650 INFO L290 TraceCheckUtils]: 17: Hoare triple {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:00,651 INFO L290 TraceCheckUtils]: 18: Hoare triple {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:00,651 INFO L290 TraceCheckUtils]: 19: Hoare triple {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:00,656 INFO L290 TraceCheckUtils]: 20: Hoare triple {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:00,657 INFO L290 TraceCheckUtils]: 21: Hoare triple {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:00,657 INFO L290 TraceCheckUtils]: 22: Hoare triple {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:00,658 INFO L290 TraceCheckUtils]: 23: Hoare triple {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:00,658 INFO L290 TraceCheckUtils]: 24: Hoare triple {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:00,659 INFO L290 TraceCheckUtils]: 25: Hoare triple {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:00,659 INFO L290 TraceCheckUtils]: 26: Hoare triple {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:00,660 INFO L290 TraceCheckUtils]: 27: Hoare triple {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:00,660 INFO L290 TraceCheckUtils]: 28: Hoare triple {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:00,661 INFO L290 TraceCheckUtils]: 29: Hoare triple {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:00,661 INFO L290 TraceCheckUtils]: 30: Hoare triple {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:00,662 INFO L290 TraceCheckUtils]: 31: Hoare triple {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:00,662 INFO L290 TraceCheckUtils]: 32: Hoare triple {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:00,663 INFO L290 TraceCheckUtils]: 33: Hoare triple {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:00,663 INFO L290 TraceCheckUtils]: 34: Hoare triple {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:00,664 INFO L290 TraceCheckUtils]: 35: Hoare triple {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:00,664 INFO L290 TraceCheckUtils]: 36: Hoare triple {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:00,665 INFO L290 TraceCheckUtils]: 37: Hoare triple {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:00,665 INFO L290 TraceCheckUtils]: 38: Hoare triple {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:00,666 INFO L290 TraceCheckUtils]: 39: Hoare triple {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17779#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:00,666 INFO L290 TraceCheckUtils]: 40: Hoare triple {17779#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 32))} assume !(~z~0 % 4294967296 < 268435455); {17743#false} is VALID [2022-04-28 03:58:00,666 INFO L272 TraceCheckUtils]: 41: Hoare triple {17743#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {17743#false} is VALID [2022-04-28 03:58:00,666 INFO L290 TraceCheckUtils]: 42: Hoare triple {17743#false} ~cond := #in~cond; {17743#false} is VALID [2022-04-28 03:58:00,666 INFO L290 TraceCheckUtils]: 43: Hoare triple {17743#false} assume 0 == ~cond; {17743#false} is VALID [2022-04-28 03:58:00,666 INFO L290 TraceCheckUtils]: 44: Hoare triple {17743#false} assume !false; {17743#false} is VALID [2022-04-28 03:58:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:00,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:00,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790835743] [2022-04-28 03:58:00,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790835743] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:00,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301405673] [2022-04-28 03:58:00,667 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:58:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:00,668 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:00,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-04-28 03:58:00,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:58:00,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:00,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 69 conjunts are in the unsatisfiable core [2022-04-28 03:58:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:00,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:01,253 INFO L272 TraceCheckUtils]: 0: Hoare triple {17742#true} call ULTIMATE.init(); {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L290 TraceCheckUtils]: 1: Hoare triple {17742#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L290 TraceCheckUtils]: 2: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L272 TraceCheckUtils]: 4: Hoare triple {17742#true} call #t~ret7 := main(); {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L290 TraceCheckUtils]: 5: Hoare triple {17742#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L290 TraceCheckUtils]: 6: Hoare triple {17742#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {17742#true} is VALID [2022-04-28 03:58:01,254 INFO L290 TraceCheckUtils]: 7: Hoare triple {17742#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17747#(= main_~z~0 0)} is VALID [2022-04-28 03:58:01,255 INFO L290 TraceCheckUtils]: 8: Hoare triple {17747#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:01,255 INFO L290 TraceCheckUtils]: 9: Hoare triple {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:01,256 INFO L290 TraceCheckUtils]: 10: Hoare triple {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:01,256 INFO L290 TraceCheckUtils]: 11: Hoare triple {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:01,257 INFO L290 TraceCheckUtils]: 12: Hoare triple {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:01,257 INFO L290 TraceCheckUtils]: 13: Hoare triple {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:01,258 INFO L290 TraceCheckUtils]: 14: Hoare triple {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:01,258 INFO L290 TraceCheckUtils]: 15: Hoare triple {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:01,258 INFO L290 TraceCheckUtils]: 16: Hoare triple {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:01,259 INFO L290 TraceCheckUtils]: 17: Hoare triple {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:01,259 INFO L290 TraceCheckUtils]: 18: Hoare triple {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:01,260 INFO L290 TraceCheckUtils]: 19: Hoare triple {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:01,260 INFO L290 TraceCheckUtils]: 20: Hoare triple {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:01,261 INFO L290 TraceCheckUtils]: 21: Hoare triple {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:01,261 INFO L290 TraceCheckUtils]: 22: Hoare triple {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:01,262 INFO L290 TraceCheckUtils]: 23: Hoare triple {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:01,262 INFO L290 TraceCheckUtils]: 24: Hoare triple {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:01,263 INFO L290 TraceCheckUtils]: 25: Hoare triple {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:01,263 INFO L290 TraceCheckUtils]: 26: Hoare triple {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:01,264 INFO L290 TraceCheckUtils]: 27: Hoare triple {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:01,264 INFO L290 TraceCheckUtils]: 28: Hoare triple {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:01,265 INFO L290 TraceCheckUtils]: 29: Hoare triple {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:01,265 INFO L290 TraceCheckUtils]: 30: Hoare triple {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:01,266 INFO L290 TraceCheckUtils]: 31: Hoare triple {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:01,266 INFO L290 TraceCheckUtils]: 32: Hoare triple {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:01,266 INFO L290 TraceCheckUtils]: 33: Hoare triple {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:01,267 INFO L290 TraceCheckUtils]: 34: Hoare triple {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:01,267 INFO L290 TraceCheckUtils]: 35: Hoare triple {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:01,268 INFO L290 TraceCheckUtils]: 36: Hoare triple {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:01,268 INFO L290 TraceCheckUtils]: 37: Hoare triple {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:01,269 INFO L290 TraceCheckUtils]: 38: Hoare triple {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:01,269 INFO L290 TraceCheckUtils]: 39: Hoare triple {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:01,270 INFO L290 TraceCheckUtils]: 40: Hoare triple {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !(~z~0 % 4294967296 < 268435455); {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:01,270 INFO L272 TraceCheckUtils]: 41: Hoare triple {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:58:01,271 INFO L290 TraceCheckUtils]: 42: Hoare triple {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17912#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:58:01,271 INFO L290 TraceCheckUtils]: 43: Hoare triple {17912#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {17743#false} is VALID [2022-04-28 03:58:01,271 INFO L290 TraceCheckUtils]: 44: Hoare triple {17743#false} assume !false; {17743#false} is VALID [2022-04-28 03:58:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:01,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:01,559 INFO L290 TraceCheckUtils]: 44: Hoare triple {17743#false} assume !false; {17743#false} is VALID [2022-04-28 03:58:01,559 INFO L290 TraceCheckUtils]: 43: Hoare triple {17912#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {17743#false} is VALID [2022-04-28 03:58:01,560 INFO L290 TraceCheckUtils]: 42: Hoare triple {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17912#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 03:58:01,560 INFO L272 TraceCheckUtils]: 41: Hoare triple {17928#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:58:01,560 INFO L290 TraceCheckUtils]: 40: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,561 INFO L290 TraceCheckUtils]: 39: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,562 INFO L290 TraceCheckUtils]: 38: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,562 INFO L290 TraceCheckUtils]: 37: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,563 INFO L290 TraceCheckUtils]: 36: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,563 INFO L290 TraceCheckUtils]: 35: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,564 INFO L290 TraceCheckUtils]: 34: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,565 INFO L290 TraceCheckUtils]: 33: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,565 INFO L290 TraceCheckUtils]: 32: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,566 INFO L290 TraceCheckUtils]: 31: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,566 INFO L290 TraceCheckUtils]: 30: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,567 INFO L290 TraceCheckUtils]: 29: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,568 INFO L290 TraceCheckUtils]: 28: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,568 INFO L290 TraceCheckUtils]: 27: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,569 INFO L290 TraceCheckUtils]: 26: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,569 INFO L290 TraceCheckUtils]: 25: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,570 INFO L290 TraceCheckUtils]: 24: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,570 INFO L290 TraceCheckUtils]: 23: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,571 INFO L290 TraceCheckUtils]: 22: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,571 INFO L290 TraceCheckUtils]: 21: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,572 INFO L290 TraceCheckUtils]: 20: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,573 INFO L290 TraceCheckUtils]: 19: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,573 INFO L290 TraceCheckUtils]: 18: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,574 INFO L290 TraceCheckUtils]: 17: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,574 INFO L290 TraceCheckUtils]: 16: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,575 INFO L290 TraceCheckUtils]: 15: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,576 INFO L290 TraceCheckUtils]: 14: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,576 INFO L290 TraceCheckUtils]: 13: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,577 INFO L290 TraceCheckUtils]: 12: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,577 INFO L290 TraceCheckUtils]: 11: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,578 INFO L290 TraceCheckUtils]: 10: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 03:58:01,578 INFO L290 TraceCheckUtils]: 9: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 03:58:01,580 INFO L290 TraceCheckUtils]: 8: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 03:58:01,580 INFO L290 TraceCheckUtils]: 7: Hoare triple {17742#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:01,580 INFO L290 TraceCheckUtils]: 6: Hoare triple {17742#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {17742#true} is VALID [2022-04-28 03:58:01,580 INFO L290 TraceCheckUtils]: 5: Hoare triple {17742#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {17742#true} is VALID [2022-04-28 03:58:01,580 INFO L272 TraceCheckUtils]: 4: Hoare triple {17742#true} call #t~ret7 := main(); {17742#true} is VALID [2022-04-28 03:58:01,581 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 03:58:01,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 03:58:01,581 INFO L290 TraceCheckUtils]: 1: Hoare triple {17742#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 03:58:01,581 INFO L272 TraceCheckUtils]: 0: Hoare triple {17742#true} call ULTIMATE.init(); {17742#true} is VALID [2022-04-28 03:58:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-04-28 03:58:01,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301405673] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:01,581 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:01,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 37, 8] total 43 [2022-04-28 03:58:01,581 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:01,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [851248062] [2022-04-28 03:58:01,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [851248062] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:01,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:01,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2022-04-28 03:58:01,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777611721] [2022-04-28 03:58:01,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-04-28 03:58:01,582 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:01,582 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:01,606 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:01,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-04-28 03:58:01,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-04-28 03:58:01,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2022-04-28 03:58:01,607 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:03,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:03,957 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2022-04-28 03:58:03,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-04-28 03:58:03,957 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-04-28 03:58:03,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:58:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 78 transitions. [2022-04-28 03:58:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 78 transitions. [2022-04-28 03:58:03,959 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 36 states and 78 transitions. [2022-04-28 03:58:04,018 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:04,018 INFO L225 Difference]: With dead ends: 103 [2022-04-28 03:58:04,018 INFO L226 Difference]: Without dead ends: 56 [2022-04-28 03:58:04,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=377, Invalid=5323, Unknown=0, NotChecked=0, Total=5700 [2022-04-28 03:58:04,019 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 03:58:04,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 03:58:04,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-28 03:58:04,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-28 03:58:04,062 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:58:04,062 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:04,062 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:04,063 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:04,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:04,063 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2022-04-28 03:58:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-04-28 03:58:04,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:04,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:04,064 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 56 states. [2022-04-28 03:58:04,064 INFO L87 Difference]: Start difference. First operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 56 states. [2022-04-28 03:58:04,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:04,064 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2022-04-28 03:58:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-04-28 03:58:04,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:04,065 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:04,065 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:58:04,065 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:58:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2022-04-28 03:58:04,065 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 45 [2022-04-28 03:58:04,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:58:04,066 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2022-04-28 03:58:04,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:04,066 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 59 transitions. [2022-04-28 03:58:04,125 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-04-28 03:58:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-04-28 03:58:04,126 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:58:04,126 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:58:04,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-04-28 03:58:04,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:04,327 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:58:04,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:58:04,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1380885150, now seen corresponding path program 65 times [2022-04-28 03:58:04,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:04,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1976321805] [2022-04-28 03:58:04,678 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:58:04,679 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:58:04,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1612861891, now seen corresponding path program 1 times [2022-04-28 03:58:04,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:04,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657265723] [2022-04-28 03:58:04,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:04,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:04,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:58:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:04,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:58:04,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1380885150, now seen corresponding path program 66 times [2022-04-28 03:58:04,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:04,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864401068] [2022-04-28 03:58:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:04,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:05,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {18591#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 03:58:05,349 INFO L290 TraceCheckUtils]: 1: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 03:58:05,349 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 03:58:05,350 INFO L272 TraceCheckUtils]: 0: Hoare triple {18552#true} call ULTIMATE.init(); {18591#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:05,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {18591#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 03:58:05,350 INFO L290 TraceCheckUtils]: 2: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 03:58:05,350 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 03:58:05,350 INFO L272 TraceCheckUtils]: 4: Hoare triple {18552#true} call #t~ret7 := main(); {18552#true} is VALID [2022-04-28 03:58:05,350 INFO L290 TraceCheckUtils]: 5: Hoare triple {18552#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {18552#true} is VALID [2022-04-28 03:58:05,350 INFO L290 TraceCheckUtils]: 6: Hoare triple {18552#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {18552#true} is VALID [2022-04-28 03:58:05,351 INFO L290 TraceCheckUtils]: 7: Hoare triple {18552#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {18557#(= main_~z~0 0)} is VALID [2022-04-28 03:58:05,351 INFO L290 TraceCheckUtils]: 8: Hoare triple {18557#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:05,352 INFO L290 TraceCheckUtils]: 9: Hoare triple {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:05,352 INFO L290 TraceCheckUtils]: 10: Hoare triple {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:05,353 INFO L290 TraceCheckUtils]: 11: Hoare triple {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:05,353 INFO L290 TraceCheckUtils]: 12: Hoare triple {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:05,353 INFO L290 TraceCheckUtils]: 13: Hoare triple {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:05,354 INFO L290 TraceCheckUtils]: 14: Hoare triple {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:05,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:05,355 INFO L290 TraceCheckUtils]: 16: Hoare triple {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:05,355 INFO L290 TraceCheckUtils]: 17: Hoare triple {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:05,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:05,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:05,357 INFO L290 TraceCheckUtils]: 20: Hoare triple {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:05,357 INFO L290 TraceCheckUtils]: 21: Hoare triple {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:05,358 INFO L290 TraceCheckUtils]: 22: Hoare triple {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:05,358 INFO L290 TraceCheckUtils]: 23: Hoare triple {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:05,359 INFO L290 TraceCheckUtils]: 24: Hoare triple {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:05,359 INFO L290 TraceCheckUtils]: 25: Hoare triple {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:05,360 INFO L290 TraceCheckUtils]: 26: Hoare triple {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:05,360 INFO L290 TraceCheckUtils]: 27: Hoare triple {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:05,360 INFO L290 TraceCheckUtils]: 28: Hoare triple {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:05,361 INFO L290 TraceCheckUtils]: 29: Hoare triple {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:05,361 INFO L290 TraceCheckUtils]: 30: Hoare triple {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:05,362 INFO L290 TraceCheckUtils]: 31: Hoare triple {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:05,362 INFO L290 TraceCheckUtils]: 32: Hoare triple {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:05,363 INFO L290 TraceCheckUtils]: 33: Hoare triple {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:05,363 INFO L290 TraceCheckUtils]: 34: Hoare triple {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:05,364 INFO L290 TraceCheckUtils]: 35: Hoare triple {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:05,364 INFO L290 TraceCheckUtils]: 36: Hoare triple {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:05,365 INFO L290 TraceCheckUtils]: 37: Hoare triple {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:05,365 INFO L290 TraceCheckUtils]: 38: Hoare triple {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:05,366 INFO L290 TraceCheckUtils]: 39: Hoare triple {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:05,366 INFO L290 TraceCheckUtils]: 40: Hoare triple {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18590#(and (<= main_~z~0 33) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:58:05,367 INFO L290 TraceCheckUtils]: 41: Hoare triple {18590#(and (<= main_~z~0 33) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {18553#false} is VALID [2022-04-28 03:58:05,367 INFO L272 TraceCheckUtils]: 42: Hoare triple {18553#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {18553#false} is VALID [2022-04-28 03:58:05,367 INFO L290 TraceCheckUtils]: 43: Hoare triple {18553#false} ~cond := #in~cond; {18553#false} is VALID [2022-04-28 03:58:05,367 INFO L290 TraceCheckUtils]: 44: Hoare triple {18553#false} assume 0 == ~cond; {18553#false} is VALID [2022-04-28 03:58:05,367 INFO L290 TraceCheckUtils]: 45: Hoare triple {18553#false} assume !false; {18553#false} is VALID [2022-04-28 03:58:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:05,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:05,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864401068] [2022-04-28 03:58:05,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864401068] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:05,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580291565] [2022-04-28 03:58:05,368 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:58:05,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:05,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:05,369 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:05,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-04-28 03:58:07,721 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-04-28 03:58:07,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:07,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 69 conjunts are in the unsatisfiable core [2022-04-28 03:58:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:07,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:08,138 INFO L272 TraceCheckUtils]: 0: Hoare triple {18552#true} call ULTIMATE.init(); {18552#true} is VALID [2022-04-28 03:58:08,138 INFO L290 TraceCheckUtils]: 1: Hoare triple {18552#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 03:58:08,139 INFO L290 TraceCheckUtils]: 2: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 03:58:08,139 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 03:58:08,139 INFO L272 TraceCheckUtils]: 4: Hoare triple {18552#true} call #t~ret7 := main(); {18552#true} is VALID [2022-04-28 03:58:08,139 INFO L290 TraceCheckUtils]: 5: Hoare triple {18552#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {18552#true} is VALID [2022-04-28 03:58:08,139 INFO L290 TraceCheckUtils]: 6: Hoare triple {18552#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {18552#true} is VALID [2022-04-28 03:58:08,139 INFO L290 TraceCheckUtils]: 7: Hoare triple {18552#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {18557#(= main_~z~0 0)} is VALID [2022-04-28 03:58:08,139 INFO L290 TraceCheckUtils]: 8: Hoare triple {18557#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:08,140 INFO L290 TraceCheckUtils]: 9: Hoare triple {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:08,140 INFO L290 TraceCheckUtils]: 10: Hoare triple {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:08,141 INFO L290 TraceCheckUtils]: 11: Hoare triple {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:08,141 INFO L290 TraceCheckUtils]: 12: Hoare triple {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:08,142 INFO L290 TraceCheckUtils]: 13: Hoare triple {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:08,142 INFO L290 TraceCheckUtils]: 14: Hoare triple {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:08,143 INFO L290 TraceCheckUtils]: 15: Hoare triple {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:08,143 INFO L290 TraceCheckUtils]: 16: Hoare triple {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:08,144 INFO L290 TraceCheckUtils]: 17: Hoare triple {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:08,144 INFO L290 TraceCheckUtils]: 18: Hoare triple {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:08,145 INFO L290 TraceCheckUtils]: 19: Hoare triple {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:08,145 INFO L290 TraceCheckUtils]: 20: Hoare triple {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:08,146 INFO L290 TraceCheckUtils]: 21: Hoare triple {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:08,146 INFO L290 TraceCheckUtils]: 22: Hoare triple {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:08,147 INFO L290 TraceCheckUtils]: 23: Hoare triple {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:08,147 INFO L290 TraceCheckUtils]: 24: Hoare triple {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:08,148 INFO L290 TraceCheckUtils]: 25: Hoare triple {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:08,148 INFO L290 TraceCheckUtils]: 26: Hoare triple {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:08,149 INFO L290 TraceCheckUtils]: 27: Hoare triple {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:08,149 INFO L290 TraceCheckUtils]: 28: Hoare triple {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:08,150 INFO L290 TraceCheckUtils]: 29: Hoare triple {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:08,150 INFO L290 TraceCheckUtils]: 30: Hoare triple {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:08,151 INFO L290 TraceCheckUtils]: 31: Hoare triple {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:08,151 INFO L290 TraceCheckUtils]: 32: Hoare triple {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:08,151 INFO L290 TraceCheckUtils]: 33: Hoare triple {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:08,152 INFO L290 TraceCheckUtils]: 34: Hoare triple {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:08,152 INFO L290 TraceCheckUtils]: 35: Hoare triple {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:08,153 INFO L290 TraceCheckUtils]: 36: Hoare triple {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:08,153 INFO L290 TraceCheckUtils]: 37: Hoare triple {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:08,154 INFO L290 TraceCheckUtils]: 38: Hoare triple {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:08,154 INFO L290 TraceCheckUtils]: 39: Hoare triple {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:08,155 INFO L290 TraceCheckUtils]: 40: Hoare triple {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18715#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:08,155 INFO L290 TraceCheckUtils]: 41: Hoare triple {18715#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !(~z~0 % 4294967296 < 268435455); {18553#false} is VALID [2022-04-28 03:58:08,155 INFO L272 TraceCheckUtils]: 42: Hoare triple {18553#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {18553#false} is VALID [2022-04-28 03:58:08,155 INFO L290 TraceCheckUtils]: 43: Hoare triple {18553#false} ~cond := #in~cond; {18553#false} is VALID [2022-04-28 03:58:08,156 INFO L290 TraceCheckUtils]: 44: Hoare triple {18553#false} assume 0 == ~cond; {18553#false} is VALID [2022-04-28 03:58:08,156 INFO L290 TraceCheckUtils]: 45: Hoare triple {18553#false} assume !false; {18553#false} is VALID [2022-04-28 03:58:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:08,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:09,932 INFO L290 TraceCheckUtils]: 45: Hoare triple {18553#false} assume !false; {18553#false} is VALID [2022-04-28 03:58:09,933 INFO L290 TraceCheckUtils]: 44: Hoare triple {18553#false} assume 0 == ~cond; {18553#false} is VALID [2022-04-28 03:58:09,933 INFO L290 TraceCheckUtils]: 43: Hoare triple {18553#false} ~cond := #in~cond; {18553#false} is VALID [2022-04-28 03:58:09,933 INFO L272 TraceCheckUtils]: 42: Hoare triple {18553#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {18553#false} is VALID [2022-04-28 03:58:09,933 INFO L290 TraceCheckUtils]: 41: Hoare triple {18743#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {18553#false} is VALID [2022-04-28 03:58:09,934 INFO L290 TraceCheckUtils]: 40: Hoare triple {18747#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18743#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,934 INFO L290 TraceCheckUtils]: 39: Hoare triple {18751#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18747#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,935 INFO L290 TraceCheckUtils]: 38: Hoare triple {18755#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18751#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,936 INFO L290 TraceCheckUtils]: 37: Hoare triple {18759#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18755#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,937 INFO L290 TraceCheckUtils]: 36: Hoare triple {18763#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18759#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,938 INFO L290 TraceCheckUtils]: 35: Hoare triple {18767#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18763#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,938 INFO L290 TraceCheckUtils]: 34: Hoare triple {18771#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18767#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,939 INFO L290 TraceCheckUtils]: 33: Hoare triple {18775#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18771#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,940 INFO L290 TraceCheckUtils]: 32: Hoare triple {18779#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18775#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,940 INFO L290 TraceCheckUtils]: 31: Hoare triple {18783#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18779#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,941 INFO L290 TraceCheckUtils]: 30: Hoare triple {18787#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18783#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,941 INFO L290 TraceCheckUtils]: 29: Hoare triple {18791#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18787#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,942 INFO L290 TraceCheckUtils]: 28: Hoare triple {18795#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18791#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,942 INFO L290 TraceCheckUtils]: 27: Hoare triple {18799#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18795#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,943 INFO L290 TraceCheckUtils]: 26: Hoare triple {18803#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18799#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,944 INFO L290 TraceCheckUtils]: 25: Hoare triple {18807#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18803#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,944 INFO L290 TraceCheckUtils]: 24: Hoare triple {18811#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18807#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,945 INFO L290 TraceCheckUtils]: 23: Hoare triple {18815#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18811#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,945 INFO L290 TraceCheckUtils]: 22: Hoare triple {18819#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18815#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,946 INFO L290 TraceCheckUtils]: 21: Hoare triple {18823#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18819#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,947 INFO L290 TraceCheckUtils]: 20: Hoare triple {18827#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18823#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,947 INFO L290 TraceCheckUtils]: 19: Hoare triple {18831#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18827#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,948 INFO L290 TraceCheckUtils]: 18: Hoare triple {18835#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18831#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,948 INFO L290 TraceCheckUtils]: 17: Hoare triple {18839#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18835#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,949 INFO L290 TraceCheckUtils]: 16: Hoare triple {18843#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18839#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,950 INFO L290 TraceCheckUtils]: 15: Hoare triple {18847#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18843#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,950 INFO L290 TraceCheckUtils]: 14: Hoare triple {18851#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18847#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,951 INFO L290 TraceCheckUtils]: 13: Hoare triple {18855#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18851#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,951 INFO L290 TraceCheckUtils]: 12: Hoare triple {18859#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18855#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:58:09,952 INFO L290 TraceCheckUtils]: 11: Hoare triple {18863#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18859#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:10,039 INFO L290 TraceCheckUtils]: 10: Hoare triple {18867#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18863#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:10,040 INFO L290 TraceCheckUtils]: 9: Hoare triple {18871#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18867#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:58:10,041 INFO L290 TraceCheckUtils]: 8: Hoare triple {18875#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18871#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:10,041 INFO L290 TraceCheckUtils]: 7: Hoare triple {18552#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {18875#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:58:10,041 INFO L290 TraceCheckUtils]: 6: Hoare triple {18552#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {18552#true} is VALID [2022-04-28 03:58:10,041 INFO L290 TraceCheckUtils]: 5: Hoare triple {18552#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {18552#true} is VALID [2022-04-28 03:58:10,041 INFO L272 TraceCheckUtils]: 4: Hoare triple {18552#true} call #t~ret7 := main(); {18552#true} is VALID [2022-04-28 03:58:10,041 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 03:58:10,041 INFO L290 TraceCheckUtils]: 2: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 03:58:10,041 INFO L290 TraceCheckUtils]: 1: Hoare triple {18552#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 03:58:10,042 INFO L272 TraceCheckUtils]: 0: Hoare triple {18552#true} call ULTIMATE.init(); {18552#true} is VALID [2022-04-28 03:58:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:10,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580291565] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:10,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:10,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 36] total 72 [2022-04-28 03:58:10,042 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:10,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1976321805] [2022-04-28 03:58:10,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1976321805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:10,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:10,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-04-28 03:58:10,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340290260] [2022-04-28 03:58:10,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:10,043 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-04-28 03:58:10,043 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:10,043 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:10,067 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:10,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-04-28 03:58:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:10,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-04-28 03:58:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1365, Invalid=3747, Unknown=0, NotChecked=0, Total=5112 [2022-04-28 03:58:10,068 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:12,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:12,539 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2022-04-28 03:58:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-04-28 03:58:12,539 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-04-28 03:58:12,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:58:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 79 transitions. [2022-04-28 03:58:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 79 transitions. [2022-04-28 03:58:12,541 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 79 transitions. [2022-04-28 03:58:12,589 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:12,590 INFO L225 Difference]: With dead ends: 105 [2022-04-28 03:58:12,590 INFO L226 Difference]: Without dead ends: 57 [2022-04-28 03:58:12,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2723, Invalid=8407, Unknown=0, NotChecked=0, Total=11130 [2022-04-28 03:58:12,591 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:58:12,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 73 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-28 03:58:12,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-04-28 03:58:12,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2022-04-28 03:58:12,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:58:12,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:12,634 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:12,634 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:12,640 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2022-04-28 03:58:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-04-28 03:58:12,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:12,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:12,640 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 57 states. [2022-04-28 03:58:12,640 INFO L87 Difference]: Start difference. First operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 57 states. [2022-04-28 03:58:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:12,641 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2022-04-28 03:58:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-04-28 03:58:12,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:12,641 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:12,641 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:58:12,641 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:58:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2022-04-28 03:58:12,643 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 46 [2022-04-28 03:58:12,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:58:12,643 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2022-04-28 03:58:12,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:12,643 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 56 states and 60 transitions. [2022-04-28 03:58:12,706 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-04-28 03:58:12,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-28 03:58:12,707 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:58:12,707 INFO L195 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:58:12,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-04-28 03:58:12,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2022-04-28 03:58:12,907 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:58:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:58:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash 168535874, now seen corresponding path program 67 times [2022-04-28 03:58:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:12,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1015505346] [2022-04-28 03:58:13,283 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:58:13,284 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:58:13,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1671967235, now seen corresponding path program 1 times [2022-04-28 03:58:13,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:13,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66917097] [2022-04-28 03:58:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:13,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:13,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:58:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:13,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:58:13,294 INFO L85 PathProgramCache]: Analyzing trace with hash 168535874, now seen corresponding path program 68 times [2022-04-28 03:58:13,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:13,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134205530] [2022-04-28 03:58:13,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:13,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:13,989 INFO L290 TraceCheckUtils]: 0: Hoare triple {19447#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 03:58:13,989 INFO L290 TraceCheckUtils]: 1: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 03:58:13,989 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 03:58:13,989 INFO L272 TraceCheckUtils]: 0: Hoare triple {19407#true} call ULTIMATE.init(); {19447#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:13,990 INFO L290 TraceCheckUtils]: 1: Hoare triple {19447#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 03:58:13,990 INFO L290 TraceCheckUtils]: 2: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 03:58:13,990 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 03:58:13,990 INFO L272 TraceCheckUtils]: 4: Hoare triple {19407#true} call #t~ret7 := main(); {19407#true} is VALID [2022-04-28 03:58:13,990 INFO L290 TraceCheckUtils]: 5: Hoare triple {19407#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {19407#true} is VALID [2022-04-28 03:58:13,990 INFO L290 TraceCheckUtils]: 6: Hoare triple {19407#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {19407#true} is VALID [2022-04-28 03:58:13,990 INFO L290 TraceCheckUtils]: 7: Hoare triple {19407#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {19412#(= main_~z~0 0)} is VALID [2022-04-28 03:58:13,991 INFO L290 TraceCheckUtils]: 8: Hoare triple {19412#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:13,991 INFO L290 TraceCheckUtils]: 9: Hoare triple {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:13,992 INFO L290 TraceCheckUtils]: 10: Hoare triple {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:13,992 INFO L290 TraceCheckUtils]: 11: Hoare triple {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:13,993 INFO L290 TraceCheckUtils]: 12: Hoare triple {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:13,993 INFO L290 TraceCheckUtils]: 13: Hoare triple {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:13,994 INFO L290 TraceCheckUtils]: 14: Hoare triple {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:13,994 INFO L290 TraceCheckUtils]: 15: Hoare triple {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:13,994 INFO L290 TraceCheckUtils]: 16: Hoare triple {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:13,995 INFO L290 TraceCheckUtils]: 17: Hoare triple {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:13,995 INFO L290 TraceCheckUtils]: 18: Hoare triple {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:13,996 INFO L290 TraceCheckUtils]: 19: Hoare triple {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:13,996 INFO L290 TraceCheckUtils]: 20: Hoare triple {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:13,997 INFO L290 TraceCheckUtils]: 21: Hoare triple {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:13,997 INFO L290 TraceCheckUtils]: 22: Hoare triple {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:13,998 INFO L290 TraceCheckUtils]: 23: Hoare triple {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:13,998 INFO L290 TraceCheckUtils]: 24: Hoare triple {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:13,999 INFO L290 TraceCheckUtils]: 25: Hoare triple {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:13,999 INFO L290 TraceCheckUtils]: 26: Hoare triple {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:14,000 INFO L290 TraceCheckUtils]: 27: Hoare triple {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:14,000 INFO L290 TraceCheckUtils]: 28: Hoare triple {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:14,001 INFO L290 TraceCheckUtils]: 29: Hoare triple {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:14,001 INFO L290 TraceCheckUtils]: 30: Hoare triple {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:14,002 INFO L290 TraceCheckUtils]: 31: Hoare triple {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:14,002 INFO L290 TraceCheckUtils]: 32: Hoare triple {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:14,003 INFO L290 TraceCheckUtils]: 33: Hoare triple {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:14,003 INFO L290 TraceCheckUtils]: 34: Hoare triple {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:14,004 INFO L290 TraceCheckUtils]: 35: Hoare triple {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:14,004 INFO L290 TraceCheckUtils]: 36: Hoare triple {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:14,005 INFO L290 TraceCheckUtils]: 37: Hoare triple {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:14,005 INFO L290 TraceCheckUtils]: 38: Hoare triple {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:14,005 INFO L290 TraceCheckUtils]: 39: Hoare triple {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:14,006 INFO L290 TraceCheckUtils]: 40: Hoare triple {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:14,007 INFO L290 TraceCheckUtils]: 41: Hoare triple {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19446#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 34))} is VALID [2022-04-28 03:58:14,007 INFO L290 TraceCheckUtils]: 42: Hoare triple {19446#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 34))} assume !(~z~0 % 4294967296 < 268435455); {19408#false} is VALID [2022-04-28 03:58:14,007 INFO L272 TraceCheckUtils]: 43: Hoare triple {19408#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {19408#false} is VALID [2022-04-28 03:58:14,007 INFO L290 TraceCheckUtils]: 44: Hoare triple {19408#false} ~cond := #in~cond; {19408#false} is VALID [2022-04-28 03:58:14,007 INFO L290 TraceCheckUtils]: 45: Hoare triple {19408#false} assume 0 == ~cond; {19408#false} is VALID [2022-04-28 03:58:14,007 INFO L290 TraceCheckUtils]: 46: Hoare triple {19408#false} assume !false; {19408#false} is VALID [2022-04-28 03:58:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:14,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:14,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134205530] [2022-04-28 03:58:14,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134205530] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:14,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407854219] [2022-04-28 03:58:14,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:58:14,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:14,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:14,009 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:14,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-04-28 03:58:14,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:58:14,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:14,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 71 conjunts are in the unsatisfiable core [2022-04-28 03:58:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:14,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:14,533 INFO L272 TraceCheckUtils]: 0: Hoare triple {19407#true} call ULTIMATE.init(); {19407#true} is VALID [2022-04-28 03:58:14,533 INFO L290 TraceCheckUtils]: 1: Hoare triple {19407#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 03:58:14,533 INFO L290 TraceCheckUtils]: 2: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 03:58:14,533 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 03:58:14,533 INFO L272 TraceCheckUtils]: 4: Hoare triple {19407#true} call #t~ret7 := main(); {19407#true} is VALID [2022-04-28 03:58:14,533 INFO L290 TraceCheckUtils]: 5: Hoare triple {19407#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {19407#true} is VALID [2022-04-28 03:58:14,533 INFO L290 TraceCheckUtils]: 6: Hoare triple {19407#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {19407#true} is VALID [2022-04-28 03:58:14,534 INFO L290 TraceCheckUtils]: 7: Hoare triple {19407#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {19412#(= main_~z~0 0)} is VALID [2022-04-28 03:58:14,534 INFO L290 TraceCheckUtils]: 8: Hoare triple {19412#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:14,534 INFO L290 TraceCheckUtils]: 9: Hoare triple {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:14,535 INFO L290 TraceCheckUtils]: 10: Hoare triple {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:14,535 INFO L290 TraceCheckUtils]: 11: Hoare triple {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:14,536 INFO L290 TraceCheckUtils]: 12: Hoare triple {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:14,536 INFO L290 TraceCheckUtils]: 13: Hoare triple {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:14,537 INFO L290 TraceCheckUtils]: 14: Hoare triple {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:14,537 INFO L290 TraceCheckUtils]: 15: Hoare triple {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:14,538 INFO L290 TraceCheckUtils]: 16: Hoare triple {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:14,538 INFO L290 TraceCheckUtils]: 17: Hoare triple {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:14,539 INFO L290 TraceCheckUtils]: 18: Hoare triple {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:14,539 INFO L290 TraceCheckUtils]: 19: Hoare triple {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:14,540 INFO L290 TraceCheckUtils]: 20: Hoare triple {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:14,540 INFO L290 TraceCheckUtils]: 21: Hoare triple {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:14,541 INFO L290 TraceCheckUtils]: 22: Hoare triple {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:14,541 INFO L290 TraceCheckUtils]: 23: Hoare triple {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:14,542 INFO L290 TraceCheckUtils]: 24: Hoare triple {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:14,542 INFO L290 TraceCheckUtils]: 25: Hoare triple {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:14,543 INFO L290 TraceCheckUtils]: 26: Hoare triple {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:14,543 INFO L290 TraceCheckUtils]: 27: Hoare triple {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:14,544 INFO L290 TraceCheckUtils]: 28: Hoare triple {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:14,544 INFO L290 TraceCheckUtils]: 29: Hoare triple {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:14,545 INFO L290 TraceCheckUtils]: 30: Hoare triple {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:14,545 INFO L290 TraceCheckUtils]: 31: Hoare triple {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:14,545 INFO L290 TraceCheckUtils]: 32: Hoare triple {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:14,546 INFO L290 TraceCheckUtils]: 33: Hoare triple {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:14,546 INFO L290 TraceCheckUtils]: 34: Hoare triple {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:14,547 INFO L290 TraceCheckUtils]: 35: Hoare triple {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:14,547 INFO L290 TraceCheckUtils]: 36: Hoare triple {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:14,548 INFO L290 TraceCheckUtils]: 37: Hoare triple {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:14,548 INFO L290 TraceCheckUtils]: 38: Hoare triple {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:14,549 INFO L290 TraceCheckUtils]: 39: Hoare triple {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:14,549 INFO L290 TraceCheckUtils]: 40: Hoare triple {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:14,550 INFO L290 TraceCheckUtils]: 41: Hoare triple {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19574#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:14,550 INFO L290 TraceCheckUtils]: 42: Hoare triple {19574#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {19408#false} is VALID [2022-04-28 03:58:14,550 INFO L272 TraceCheckUtils]: 43: Hoare triple {19408#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {19408#false} is VALID [2022-04-28 03:58:14,550 INFO L290 TraceCheckUtils]: 44: Hoare triple {19408#false} ~cond := #in~cond; {19408#false} is VALID [2022-04-28 03:58:14,550 INFO L290 TraceCheckUtils]: 45: Hoare triple {19408#false} assume 0 == ~cond; {19408#false} is VALID [2022-04-28 03:58:14,550 INFO L290 TraceCheckUtils]: 46: Hoare triple {19408#false} assume !false; {19408#false} is VALID [2022-04-28 03:58:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:14,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:16,426 INFO L290 TraceCheckUtils]: 46: Hoare triple {19408#false} assume !false; {19408#false} is VALID [2022-04-28 03:58:16,426 INFO L290 TraceCheckUtils]: 45: Hoare triple {19408#false} assume 0 == ~cond; {19408#false} is VALID [2022-04-28 03:58:16,426 INFO L290 TraceCheckUtils]: 44: Hoare triple {19408#false} ~cond := #in~cond; {19408#false} is VALID [2022-04-28 03:58:16,426 INFO L272 TraceCheckUtils]: 43: Hoare triple {19408#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {19408#false} is VALID [2022-04-28 03:58:16,426 INFO L290 TraceCheckUtils]: 42: Hoare triple {19602#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {19408#false} is VALID [2022-04-28 03:58:16,427 INFO L290 TraceCheckUtils]: 41: Hoare triple {19606#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19602#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,428 INFO L290 TraceCheckUtils]: 40: Hoare triple {19610#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19606#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,428 INFO L290 TraceCheckUtils]: 39: Hoare triple {19614#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19610#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,429 INFO L290 TraceCheckUtils]: 38: Hoare triple {19618#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19614#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,430 INFO L290 TraceCheckUtils]: 37: Hoare triple {19622#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19618#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,430 INFO L290 TraceCheckUtils]: 36: Hoare triple {19626#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19622#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,431 INFO L290 TraceCheckUtils]: 35: Hoare triple {19630#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19626#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,431 INFO L290 TraceCheckUtils]: 34: Hoare triple {19634#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19630#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,432 INFO L290 TraceCheckUtils]: 33: Hoare triple {19638#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19634#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,432 INFO L290 TraceCheckUtils]: 32: Hoare triple {19642#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19638#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,433 INFO L290 TraceCheckUtils]: 31: Hoare triple {19646#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19642#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,434 INFO L290 TraceCheckUtils]: 30: Hoare triple {19650#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19646#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,434 INFO L290 TraceCheckUtils]: 29: Hoare triple {19654#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19650#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,435 INFO L290 TraceCheckUtils]: 28: Hoare triple {19658#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19654#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,435 INFO L290 TraceCheckUtils]: 27: Hoare triple {19662#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19658#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,436 INFO L290 TraceCheckUtils]: 26: Hoare triple {19666#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19662#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,437 INFO L290 TraceCheckUtils]: 25: Hoare triple {19670#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19666#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,437 INFO L290 TraceCheckUtils]: 24: Hoare triple {19674#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19670#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,438 INFO L290 TraceCheckUtils]: 23: Hoare triple {19678#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19674#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,438 INFO L290 TraceCheckUtils]: 22: Hoare triple {19682#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19678#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,439 INFO L290 TraceCheckUtils]: 21: Hoare triple {19686#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19682#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,440 INFO L290 TraceCheckUtils]: 20: Hoare triple {19690#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19686#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,440 INFO L290 TraceCheckUtils]: 19: Hoare triple {19694#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19690#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,441 INFO L290 TraceCheckUtils]: 18: Hoare triple {19698#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19694#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,441 INFO L290 TraceCheckUtils]: 17: Hoare triple {19702#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19698#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,445 INFO L290 TraceCheckUtils]: 16: Hoare triple {19706#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19702#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,446 INFO L290 TraceCheckUtils]: 15: Hoare triple {19710#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19706#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,446 INFO L290 TraceCheckUtils]: 14: Hoare triple {19714#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19710#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,447 INFO L290 TraceCheckUtils]: 13: Hoare triple {19718#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19714#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,447 INFO L290 TraceCheckUtils]: 12: Hoare triple {19722#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19718#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,448 INFO L290 TraceCheckUtils]: 11: Hoare triple {19726#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19722#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,449 INFO L290 TraceCheckUtils]: 10: Hoare triple {19730#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19726#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,449 INFO L290 TraceCheckUtils]: 9: Hoare triple {19734#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19730#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,450 INFO L290 TraceCheckUtils]: 8: Hoare triple {19738#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19734#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,450 INFO L290 TraceCheckUtils]: 7: Hoare triple {19407#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {19738#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:58:16,450 INFO L290 TraceCheckUtils]: 6: Hoare triple {19407#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {19407#true} is VALID [2022-04-28 03:58:16,450 INFO L290 TraceCheckUtils]: 5: Hoare triple {19407#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {19407#true} is VALID [2022-04-28 03:58:16,450 INFO L272 TraceCheckUtils]: 4: Hoare triple {19407#true} call #t~ret7 := main(); {19407#true} is VALID [2022-04-28 03:58:16,450 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 03:58:16,451 INFO L290 TraceCheckUtils]: 2: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 03:58:16,451 INFO L290 TraceCheckUtils]: 1: Hoare triple {19407#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 03:58:16,451 INFO L272 TraceCheckUtils]: 0: Hoare triple {19407#true} call ULTIMATE.init(); {19407#true} is VALID [2022-04-28 03:58:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:16,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407854219] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:16,451 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:16,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 74 [2022-04-28 03:58:16,451 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:16,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1015505346] [2022-04-28 03:58:16,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1015505346] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:16,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:16,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2022-04-28 03:58:16,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089186251] [2022-04-28 03:58:16,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:16,452 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2022-04-28 03:58:16,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:16,452 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:16,476 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:16,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-04-28 03:58:16,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:16,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-04-28 03:58:16,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1440, Invalid=3962, Unknown=0, NotChecked=0, Total=5402 [2022-04-28 03:58:16,477 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:19,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:19,240 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2022-04-28 03:58:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-04-28 03:58:19,240 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2022-04-28 03:58:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:58:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 80 transitions. [2022-04-28 03:58:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 80 transitions. [2022-04-28 03:58:19,241 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 38 states and 80 transitions. [2022-04-28 03:58:19,293 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:19,294 INFO L225 Difference]: With dead ends: 107 [2022-04-28 03:58:19,294 INFO L226 Difference]: Without dead ends: 58 [2022-04-28 03:58:19,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2873, Invalid=8899, Unknown=0, NotChecked=0, Total=11772 [2022-04-28 03:58:19,295 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:58:19,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 103 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-28 03:58:19,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-04-28 03:58:19,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2022-04-28 03:58:19,347 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:58:19,347 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:19,347 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:19,347 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:19,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:19,348 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-04-28 03:58:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-04-28 03:58:19,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:19,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:19,349 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 58 states. [2022-04-28 03:58:19,349 INFO L87 Difference]: Start difference. First operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 58 states. [2022-04-28 03:58:19,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:19,349 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-04-28 03:58:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-04-28 03:58:19,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:19,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:19,350 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:58:19,350 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:58:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2022-04-28 03:58:19,350 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 47 [2022-04-28 03:58:19,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:58:19,350 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2022-04-28 03:58:19,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:19,351 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 57 states and 61 transitions. [2022-04-28 03:58:19,403 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-04-28 03:58:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-04-28 03:58:19,403 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:58:19,403 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:58:19,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-04-28 03:58:19,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:19,620 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:58:19,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:58:19,620 INFO L85 PathProgramCache]: Analyzing trace with hash 955947362, now seen corresponding path program 69 times [2022-04-28 03:58:19,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:19,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1839596966] [2022-04-28 03:58:21,936 WARN L970 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:58:22,828 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:58:22,958 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:58:22,959 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:58:22,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1731072579, now seen corresponding path program 1 times [2022-04-28 03:58:22,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:22,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811404440] [2022-04-28 03:58:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:22,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:22,966 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:58:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:22,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:58:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash 955947362, now seen corresponding path program 70 times [2022-04-28 03:58:22,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:22,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14833669] [2022-04-28 03:58:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:22,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:23,697 INFO L290 TraceCheckUtils]: 0: Hoare triple {20321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 03:58:23,697 INFO L290 TraceCheckUtils]: 1: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L272 TraceCheckUtils]: 0: Hoare triple {20280#true} call ULTIMATE.init(); {20321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:23,698 INFO L290 TraceCheckUtils]: 1: Hoare triple {20321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L290 TraceCheckUtils]: 2: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L272 TraceCheckUtils]: 4: Hoare triple {20280#true} call #t~ret7 := main(); {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L290 TraceCheckUtils]: 5: Hoare triple {20280#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {20280#true} is VALID [2022-04-28 03:58:23,698 INFO L290 TraceCheckUtils]: 6: Hoare triple {20280#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {20280#true} is VALID [2022-04-28 03:58:23,699 INFO L290 TraceCheckUtils]: 7: Hoare triple {20280#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {20285#(= main_~z~0 0)} is VALID [2022-04-28 03:58:23,699 INFO L290 TraceCheckUtils]: 8: Hoare triple {20285#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:23,700 INFO L290 TraceCheckUtils]: 9: Hoare triple {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:23,700 INFO L290 TraceCheckUtils]: 10: Hoare triple {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:23,701 INFO L290 TraceCheckUtils]: 11: Hoare triple {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:23,701 INFO L290 TraceCheckUtils]: 12: Hoare triple {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:23,701 INFO L290 TraceCheckUtils]: 13: Hoare triple {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:23,702 INFO L290 TraceCheckUtils]: 14: Hoare triple {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:23,702 INFO L290 TraceCheckUtils]: 15: Hoare triple {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:23,703 INFO L290 TraceCheckUtils]: 16: Hoare triple {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:23,703 INFO L290 TraceCheckUtils]: 17: Hoare triple {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:23,704 INFO L290 TraceCheckUtils]: 18: Hoare triple {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:23,704 INFO L290 TraceCheckUtils]: 19: Hoare triple {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:23,705 INFO L290 TraceCheckUtils]: 20: Hoare triple {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:23,705 INFO L290 TraceCheckUtils]: 21: Hoare triple {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:23,706 INFO L290 TraceCheckUtils]: 22: Hoare triple {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:23,706 INFO L290 TraceCheckUtils]: 23: Hoare triple {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:23,707 INFO L290 TraceCheckUtils]: 24: Hoare triple {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:23,707 INFO L290 TraceCheckUtils]: 25: Hoare triple {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:23,708 INFO L290 TraceCheckUtils]: 26: Hoare triple {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:23,708 INFO L290 TraceCheckUtils]: 27: Hoare triple {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:23,709 INFO L290 TraceCheckUtils]: 28: Hoare triple {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:23,709 INFO L290 TraceCheckUtils]: 29: Hoare triple {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:23,709 INFO L290 TraceCheckUtils]: 30: Hoare triple {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:23,710 INFO L290 TraceCheckUtils]: 31: Hoare triple {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:23,710 INFO L290 TraceCheckUtils]: 32: Hoare triple {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:23,711 INFO L290 TraceCheckUtils]: 33: Hoare triple {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:23,711 INFO L290 TraceCheckUtils]: 34: Hoare triple {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:23,712 INFO L290 TraceCheckUtils]: 35: Hoare triple {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:23,712 INFO L290 TraceCheckUtils]: 36: Hoare triple {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:23,713 INFO L290 TraceCheckUtils]: 37: Hoare triple {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:23,713 INFO L290 TraceCheckUtils]: 38: Hoare triple {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:23,714 INFO L290 TraceCheckUtils]: 39: Hoare triple {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:23,714 INFO L290 TraceCheckUtils]: 40: Hoare triple {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:23,715 INFO L290 TraceCheckUtils]: 41: Hoare triple {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:23,715 INFO L290 TraceCheckUtils]: 42: Hoare triple {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20320#(and (<= main_~z~0 35) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:58:23,716 INFO L290 TraceCheckUtils]: 43: Hoare triple {20320#(and (<= main_~z~0 35) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {20281#false} is VALID [2022-04-28 03:58:23,716 INFO L272 TraceCheckUtils]: 44: Hoare triple {20281#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {20281#false} is VALID [2022-04-28 03:58:23,716 INFO L290 TraceCheckUtils]: 45: Hoare triple {20281#false} ~cond := #in~cond; {20281#false} is VALID [2022-04-28 03:58:23,716 INFO L290 TraceCheckUtils]: 46: Hoare triple {20281#false} assume 0 == ~cond; {20281#false} is VALID [2022-04-28 03:58:23,716 INFO L290 TraceCheckUtils]: 47: Hoare triple {20281#false} assume !false; {20281#false} is VALID [2022-04-28 03:58:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:23,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:23,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14833669] [2022-04-28 03:58:23,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14833669] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:23,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711912424] [2022-04-28 03:58:23,717 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:58:23,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:23,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:23,718 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:23,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-04-28 03:58:23,839 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:58:23,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:23,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 73 conjunts are in the unsatisfiable core [2022-04-28 03:58:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:23,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:24,282 INFO L272 TraceCheckUtils]: 0: Hoare triple {20280#true} call ULTIMATE.init(); {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L290 TraceCheckUtils]: 1: Hoare triple {20280#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L290 TraceCheckUtils]: 2: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L272 TraceCheckUtils]: 4: Hoare triple {20280#true} call #t~ret7 := main(); {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L290 TraceCheckUtils]: 5: Hoare triple {20280#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L290 TraceCheckUtils]: 6: Hoare triple {20280#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {20280#true} is VALID [2022-04-28 03:58:24,283 INFO L290 TraceCheckUtils]: 7: Hoare triple {20280#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {20285#(= main_~z~0 0)} is VALID [2022-04-28 03:58:24,284 INFO L290 TraceCheckUtils]: 8: Hoare triple {20285#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:24,284 INFO L290 TraceCheckUtils]: 9: Hoare triple {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:24,285 INFO L290 TraceCheckUtils]: 10: Hoare triple {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:24,285 INFO L290 TraceCheckUtils]: 11: Hoare triple {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:24,285 INFO L290 TraceCheckUtils]: 12: Hoare triple {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:24,286 INFO L290 TraceCheckUtils]: 13: Hoare triple {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:24,286 INFO L290 TraceCheckUtils]: 14: Hoare triple {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:24,287 INFO L290 TraceCheckUtils]: 15: Hoare triple {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:24,287 INFO L290 TraceCheckUtils]: 16: Hoare triple {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:24,288 INFO L290 TraceCheckUtils]: 17: Hoare triple {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:24,288 INFO L290 TraceCheckUtils]: 18: Hoare triple {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:24,289 INFO L290 TraceCheckUtils]: 19: Hoare triple {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:24,289 INFO L290 TraceCheckUtils]: 20: Hoare triple {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:24,290 INFO L290 TraceCheckUtils]: 21: Hoare triple {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:24,290 INFO L290 TraceCheckUtils]: 22: Hoare triple {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:24,303 INFO L290 TraceCheckUtils]: 23: Hoare triple {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:24,319 INFO L290 TraceCheckUtils]: 24: Hoare triple {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:24,320 INFO L290 TraceCheckUtils]: 25: Hoare triple {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:24,320 INFO L290 TraceCheckUtils]: 26: Hoare triple {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:24,321 INFO L290 TraceCheckUtils]: 27: Hoare triple {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:24,321 INFO L290 TraceCheckUtils]: 28: Hoare triple {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:24,322 INFO L290 TraceCheckUtils]: 29: Hoare triple {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:24,322 INFO L290 TraceCheckUtils]: 30: Hoare triple {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:24,323 INFO L290 TraceCheckUtils]: 31: Hoare triple {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:24,323 INFO L290 TraceCheckUtils]: 32: Hoare triple {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:24,324 INFO L290 TraceCheckUtils]: 33: Hoare triple {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:24,324 INFO L290 TraceCheckUtils]: 34: Hoare triple {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:24,325 INFO L290 TraceCheckUtils]: 35: Hoare triple {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:24,325 INFO L290 TraceCheckUtils]: 36: Hoare triple {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:24,326 INFO L290 TraceCheckUtils]: 37: Hoare triple {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:24,326 INFO L290 TraceCheckUtils]: 38: Hoare triple {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:24,327 INFO L290 TraceCheckUtils]: 39: Hoare triple {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:24,327 INFO L290 TraceCheckUtils]: 40: Hoare triple {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:24,328 INFO L290 TraceCheckUtils]: 41: Hoare triple {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:24,328 INFO L290 TraceCheckUtils]: 42: Hoare triple {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20451#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:24,329 INFO L290 TraceCheckUtils]: 43: Hoare triple {20451#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {20281#false} is VALID [2022-04-28 03:58:24,329 INFO L272 TraceCheckUtils]: 44: Hoare triple {20281#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {20281#false} is VALID [2022-04-28 03:58:24,329 INFO L290 TraceCheckUtils]: 45: Hoare triple {20281#false} ~cond := #in~cond; {20281#false} is VALID [2022-04-28 03:58:24,329 INFO L290 TraceCheckUtils]: 46: Hoare triple {20281#false} assume 0 == ~cond; {20281#false} is VALID [2022-04-28 03:58:24,329 INFO L290 TraceCheckUtils]: 47: Hoare triple {20281#false} assume !false; {20281#false} is VALID [2022-04-28 03:58:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:24,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:26,289 INFO L290 TraceCheckUtils]: 47: Hoare triple {20281#false} assume !false; {20281#false} is VALID [2022-04-28 03:58:26,289 INFO L290 TraceCheckUtils]: 46: Hoare triple {20281#false} assume 0 == ~cond; {20281#false} is VALID [2022-04-28 03:58:26,289 INFO L290 TraceCheckUtils]: 45: Hoare triple {20281#false} ~cond := #in~cond; {20281#false} is VALID [2022-04-28 03:58:26,289 INFO L272 TraceCheckUtils]: 44: Hoare triple {20281#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {20281#false} is VALID [2022-04-28 03:58:26,290 INFO L290 TraceCheckUtils]: 43: Hoare triple {20479#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {20281#false} is VALID [2022-04-28 03:58:26,290 INFO L290 TraceCheckUtils]: 42: Hoare triple {20483#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20479#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,291 INFO L290 TraceCheckUtils]: 41: Hoare triple {20487#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20483#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,292 INFO L290 TraceCheckUtils]: 40: Hoare triple {20491#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20487#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,292 INFO L290 TraceCheckUtils]: 39: Hoare triple {20495#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20491#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,294 INFO L290 TraceCheckUtils]: 38: Hoare triple {20499#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20495#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,295 INFO L290 TraceCheckUtils]: 37: Hoare triple {20503#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20499#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,295 INFO L290 TraceCheckUtils]: 36: Hoare triple {20507#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20503#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,296 INFO L290 TraceCheckUtils]: 35: Hoare triple {20511#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20507#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,297 INFO L290 TraceCheckUtils]: 34: Hoare triple {20515#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20511#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,297 INFO L290 TraceCheckUtils]: 33: Hoare triple {20519#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20515#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,298 INFO L290 TraceCheckUtils]: 32: Hoare triple {20523#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20519#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,298 INFO L290 TraceCheckUtils]: 31: Hoare triple {20527#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20523#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,299 INFO L290 TraceCheckUtils]: 30: Hoare triple {20531#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20527#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,300 INFO L290 TraceCheckUtils]: 29: Hoare triple {20535#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20531#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,300 INFO L290 TraceCheckUtils]: 28: Hoare triple {20539#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20535#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,301 INFO L290 TraceCheckUtils]: 27: Hoare triple {20543#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20539#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,301 INFO L290 TraceCheckUtils]: 26: Hoare triple {20547#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20543#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,302 INFO L290 TraceCheckUtils]: 25: Hoare triple {20551#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20547#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,302 INFO L290 TraceCheckUtils]: 24: Hoare triple {20555#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20551#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,303 INFO L290 TraceCheckUtils]: 23: Hoare triple {20559#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20555#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,304 INFO L290 TraceCheckUtils]: 22: Hoare triple {20563#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20559#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,304 INFO L290 TraceCheckUtils]: 21: Hoare triple {20567#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20563#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,305 INFO L290 TraceCheckUtils]: 20: Hoare triple {20571#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20567#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,305 INFO L290 TraceCheckUtils]: 19: Hoare triple {20575#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20571#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,306 INFO L290 TraceCheckUtils]: 18: Hoare triple {20579#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20575#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,307 INFO L290 TraceCheckUtils]: 17: Hoare triple {20583#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20579#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,307 INFO L290 TraceCheckUtils]: 16: Hoare triple {20587#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20583#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,308 INFO L290 TraceCheckUtils]: 15: Hoare triple {20591#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20587#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,308 INFO L290 TraceCheckUtils]: 14: Hoare triple {20595#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20591#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,309 INFO L290 TraceCheckUtils]: 13: Hoare triple {20599#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20595#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,309 INFO L290 TraceCheckUtils]: 12: Hoare triple {20603#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20599#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,310 INFO L290 TraceCheckUtils]: 11: Hoare triple {20607#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20603#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,311 INFO L290 TraceCheckUtils]: 10: Hoare triple {20611#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20607#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,311 INFO L290 TraceCheckUtils]: 9: Hoare triple {20615#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20611#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,312 INFO L290 TraceCheckUtils]: 8: Hoare triple {20619#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20615#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,312 INFO L290 TraceCheckUtils]: 7: Hoare triple {20280#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {20619#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:26,312 INFO L290 TraceCheckUtils]: 6: Hoare triple {20280#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {20280#true} is VALID [2022-04-28 03:58:26,312 INFO L290 TraceCheckUtils]: 5: Hoare triple {20280#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {20280#true} is VALID [2022-04-28 03:58:26,312 INFO L272 TraceCheckUtils]: 4: Hoare triple {20280#true} call #t~ret7 := main(); {20280#true} is VALID [2022-04-28 03:58:26,312 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 03:58:26,312 INFO L290 TraceCheckUtils]: 2: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 03:58:26,313 INFO L290 TraceCheckUtils]: 1: Hoare triple {20280#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 03:58:26,313 INFO L272 TraceCheckUtils]: 0: Hoare triple {20280#true} call ULTIMATE.init(); {20280#true} is VALID [2022-04-28 03:58:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:26,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711912424] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:26,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:26,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38, 38] total 76 [2022-04-28 03:58:26,313 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:26,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1839596966] [2022-04-28 03:58:26,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1839596966] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:26,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:26,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2022-04-28 03:58:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135143629] [2022-04-28 03:58:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:26,314 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-04-28 03:58:26,314 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:26,314 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:26,346 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:26,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-04-28 03:58:26,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:26,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-04-28 03:58:26,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1517, Invalid=4183, Unknown=0, NotChecked=0, Total=5700 [2022-04-28 03:58:26,347 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:29,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:29,129 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2022-04-28 03:58:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-04-28 03:58:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-04-28 03:58:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:58:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 81 transitions. [2022-04-28 03:58:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 81 transitions. [2022-04-28 03:58:29,131 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 39 states and 81 transitions. [2022-04-28 03:58:29,188 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:29,189 INFO L225 Difference]: With dead ends: 109 [2022-04-28 03:58:29,189 INFO L226 Difference]: Without dead ends: 59 [2022-04-28 03:58:29,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=3027, Invalid=9405, Unknown=0, NotChecked=0, Total=12432 [2022-04-28 03:58:29,190 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-04-28 03:58:29,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-28 03:58:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-04-28 03:58:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2022-04-28 03:58:29,248 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:58:29,248 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:29,248 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:29,248 INFO L87 Difference]: Start difference. First operand 59 states. Second operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:29,249 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-04-28 03:58:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-04-28 03:58:29,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:29,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:29,249 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 59 states. [2022-04-28 03:58:29,249 INFO L87 Difference]: Start difference. First operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 59 states. [2022-04-28 03:58:29,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:29,250 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-04-28 03:58:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-04-28 03:58:29,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:29,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:29,250 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:58:29,250 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:58:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-04-28 03:58:29,251 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 48 [2022-04-28 03:58:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:58:29,251 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-04-28 03:58:29,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:29,251 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 58 states and 62 transitions. [2022-04-28 03:58:29,311 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-04-28 03:58:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-28 03:58:29,312 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:58:29,312 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:58:29,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-04-28 03:58:29,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:29,524 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:58:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:58:29,525 INFO L85 PathProgramCache]: Analyzing trace with hash -404100286, now seen corresponding path program 71 times [2022-04-28 03:58:29,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:29,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1394116057] [2022-04-28 03:58:30,007 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:58:30,008 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:58:30,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1790177923, now seen corresponding path program 1 times [2022-04-28 03:58:30,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:30,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327523017] [2022-04-28 03:58:30,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:30,015 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:58:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:30,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:58:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash -404100286, now seen corresponding path program 72 times [2022-04-28 03:58:30,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:30,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595442930] [2022-04-28 03:58:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:30,847 INFO L290 TraceCheckUtils]: 0: Hoare triple {21213#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 03:58:30,847 INFO L290 TraceCheckUtils]: 1: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 03:58:30,847 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 03:58:30,847 INFO L272 TraceCheckUtils]: 0: Hoare triple {21171#true} call ULTIMATE.init(); {21213#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:30,847 INFO L290 TraceCheckUtils]: 1: Hoare triple {21213#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 03:58:30,847 INFO L290 TraceCheckUtils]: 2: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 03:58:30,847 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 03:58:30,848 INFO L272 TraceCheckUtils]: 4: Hoare triple {21171#true} call #t~ret7 := main(); {21171#true} is VALID [2022-04-28 03:58:30,848 INFO L290 TraceCheckUtils]: 5: Hoare triple {21171#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {21171#true} is VALID [2022-04-28 03:58:30,848 INFO L290 TraceCheckUtils]: 6: Hoare triple {21171#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {21171#true} is VALID [2022-04-28 03:58:30,848 INFO L290 TraceCheckUtils]: 7: Hoare triple {21171#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {21176#(= main_~z~0 0)} is VALID [2022-04-28 03:58:30,848 INFO L290 TraceCheckUtils]: 8: Hoare triple {21176#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:30,849 INFO L290 TraceCheckUtils]: 9: Hoare triple {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:30,849 INFO L290 TraceCheckUtils]: 10: Hoare triple {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:30,850 INFO L290 TraceCheckUtils]: 11: Hoare triple {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:30,850 INFO L290 TraceCheckUtils]: 12: Hoare triple {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:30,851 INFO L290 TraceCheckUtils]: 13: Hoare triple {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:30,851 INFO L290 TraceCheckUtils]: 14: Hoare triple {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:30,852 INFO L290 TraceCheckUtils]: 15: Hoare triple {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:30,852 INFO L290 TraceCheckUtils]: 16: Hoare triple {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:30,853 INFO L290 TraceCheckUtils]: 17: Hoare triple {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:30,853 INFO L290 TraceCheckUtils]: 18: Hoare triple {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:30,854 INFO L290 TraceCheckUtils]: 19: Hoare triple {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:30,854 INFO L290 TraceCheckUtils]: 20: Hoare triple {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:30,855 INFO L290 TraceCheckUtils]: 21: Hoare triple {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:30,855 INFO L290 TraceCheckUtils]: 22: Hoare triple {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:30,855 INFO L290 TraceCheckUtils]: 23: Hoare triple {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:30,856 INFO L290 TraceCheckUtils]: 24: Hoare triple {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:30,856 INFO L290 TraceCheckUtils]: 25: Hoare triple {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:30,857 INFO L290 TraceCheckUtils]: 26: Hoare triple {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:30,857 INFO L290 TraceCheckUtils]: 27: Hoare triple {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:30,858 INFO L290 TraceCheckUtils]: 28: Hoare triple {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:30,858 INFO L290 TraceCheckUtils]: 29: Hoare triple {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:30,859 INFO L290 TraceCheckUtils]: 30: Hoare triple {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:30,859 INFO L290 TraceCheckUtils]: 31: Hoare triple {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:30,860 INFO L290 TraceCheckUtils]: 32: Hoare triple {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:30,860 INFO L290 TraceCheckUtils]: 33: Hoare triple {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:30,861 INFO L290 TraceCheckUtils]: 34: Hoare triple {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:30,861 INFO L290 TraceCheckUtils]: 35: Hoare triple {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:30,862 INFO L290 TraceCheckUtils]: 36: Hoare triple {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:30,862 INFO L290 TraceCheckUtils]: 37: Hoare triple {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:30,863 INFO L290 TraceCheckUtils]: 38: Hoare triple {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:30,863 INFO L290 TraceCheckUtils]: 39: Hoare triple {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:30,864 INFO L290 TraceCheckUtils]: 40: Hoare triple {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:30,864 INFO L290 TraceCheckUtils]: 41: Hoare triple {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:30,864 INFO L290 TraceCheckUtils]: 42: Hoare triple {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:30,865 INFO L290 TraceCheckUtils]: 43: Hoare triple {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21212#(and (<= main_~z~0 36) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:58:30,865 INFO L290 TraceCheckUtils]: 44: Hoare triple {21212#(and (<= main_~z~0 36) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {21172#false} is VALID [2022-04-28 03:58:30,865 INFO L272 TraceCheckUtils]: 45: Hoare triple {21172#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {21172#false} is VALID [2022-04-28 03:58:30,866 INFO L290 TraceCheckUtils]: 46: Hoare triple {21172#false} ~cond := #in~cond; {21172#false} is VALID [2022-04-28 03:58:30,866 INFO L290 TraceCheckUtils]: 47: Hoare triple {21172#false} assume 0 == ~cond; {21172#false} is VALID [2022-04-28 03:58:30,866 INFO L290 TraceCheckUtils]: 48: Hoare triple {21172#false} assume !false; {21172#false} is VALID [2022-04-28 03:58:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:30,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:30,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595442930] [2022-04-28 03:58:30,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595442930] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:30,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467495338] [2022-04-28 03:58:30,866 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:58:30,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:30,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:30,867 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:30,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-04-28 03:58:32,601 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-04-28 03:58:32,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:32,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 78 conjunts are in the unsatisfiable core [2022-04-28 03:58:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:32,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:32,962 INFO L272 TraceCheckUtils]: 0: Hoare triple {21171#true} call ULTIMATE.init(); {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L290 TraceCheckUtils]: 1: Hoare triple {21171#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L290 TraceCheckUtils]: 2: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L272 TraceCheckUtils]: 4: Hoare triple {21171#true} call #t~ret7 := main(); {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L290 TraceCheckUtils]: 5: Hoare triple {21171#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L290 TraceCheckUtils]: 6: Hoare triple {21171#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {21171#true} is VALID [2022-04-28 03:58:32,962 INFO L290 TraceCheckUtils]: 7: Hoare triple {21171#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {21176#(= main_~z~0 0)} is VALID [2022-04-28 03:58:32,963 INFO L290 TraceCheckUtils]: 8: Hoare triple {21176#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:32,963 INFO L290 TraceCheckUtils]: 9: Hoare triple {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:32,964 INFO L290 TraceCheckUtils]: 10: Hoare triple {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:32,964 INFO L290 TraceCheckUtils]: 11: Hoare triple {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:32,965 INFO L290 TraceCheckUtils]: 12: Hoare triple {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:32,965 INFO L290 TraceCheckUtils]: 13: Hoare triple {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:32,966 INFO L290 TraceCheckUtils]: 14: Hoare triple {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:32,966 INFO L290 TraceCheckUtils]: 15: Hoare triple {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:32,967 INFO L290 TraceCheckUtils]: 16: Hoare triple {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:32,967 INFO L290 TraceCheckUtils]: 17: Hoare triple {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:32,968 INFO L290 TraceCheckUtils]: 18: Hoare triple {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:32,968 INFO L290 TraceCheckUtils]: 19: Hoare triple {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:32,968 INFO L290 TraceCheckUtils]: 20: Hoare triple {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:32,969 INFO L290 TraceCheckUtils]: 21: Hoare triple {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:32,969 INFO L290 TraceCheckUtils]: 22: Hoare triple {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:32,970 INFO L290 TraceCheckUtils]: 23: Hoare triple {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:32,970 INFO L290 TraceCheckUtils]: 24: Hoare triple {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:32,971 INFO L290 TraceCheckUtils]: 25: Hoare triple {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:32,971 INFO L290 TraceCheckUtils]: 26: Hoare triple {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:32,972 INFO L290 TraceCheckUtils]: 27: Hoare triple {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:32,972 INFO L290 TraceCheckUtils]: 28: Hoare triple {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:32,973 INFO L290 TraceCheckUtils]: 29: Hoare triple {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:32,973 INFO L290 TraceCheckUtils]: 30: Hoare triple {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:32,974 INFO L290 TraceCheckUtils]: 31: Hoare triple {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:32,974 INFO L290 TraceCheckUtils]: 32: Hoare triple {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:32,975 INFO L290 TraceCheckUtils]: 33: Hoare triple {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:32,975 INFO L290 TraceCheckUtils]: 34: Hoare triple {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:32,976 INFO L290 TraceCheckUtils]: 35: Hoare triple {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:32,976 INFO L290 TraceCheckUtils]: 36: Hoare triple {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:32,977 INFO L290 TraceCheckUtils]: 37: Hoare triple {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:32,977 INFO L290 TraceCheckUtils]: 38: Hoare triple {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:32,977 INFO L290 TraceCheckUtils]: 39: Hoare triple {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:32,983 INFO L290 TraceCheckUtils]: 40: Hoare triple {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:32,984 INFO L290 TraceCheckUtils]: 41: Hoare triple {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:32,985 INFO L290 TraceCheckUtils]: 42: Hoare triple {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:32,985 INFO L290 TraceCheckUtils]: 43: Hoare triple {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21346#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:58:32,986 INFO L290 TraceCheckUtils]: 44: Hoare triple {21346#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !(~z~0 % 4294967296 < 268435455); {21172#false} is VALID [2022-04-28 03:58:32,986 INFO L272 TraceCheckUtils]: 45: Hoare triple {21172#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {21172#false} is VALID [2022-04-28 03:58:32,986 INFO L290 TraceCheckUtils]: 46: Hoare triple {21172#false} ~cond := #in~cond; {21172#false} is VALID [2022-04-28 03:58:32,986 INFO L290 TraceCheckUtils]: 47: Hoare triple {21172#false} assume 0 == ~cond; {21172#false} is VALID [2022-04-28 03:58:32,986 INFO L290 TraceCheckUtils]: 48: Hoare triple {21172#false} assume !false; {21172#false} is VALID [2022-04-28 03:58:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:32,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:36,324 INFO L290 TraceCheckUtils]: 48: Hoare triple {21172#false} assume !false; {21172#false} is VALID [2022-04-28 03:58:36,324 INFO L290 TraceCheckUtils]: 47: Hoare triple {21365#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {21172#false} is VALID [2022-04-28 03:58:36,325 INFO L290 TraceCheckUtils]: 46: Hoare triple {21369#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {21365#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 03:58:36,325 INFO L272 TraceCheckUtils]: 45: Hoare triple {21373#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {21369#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 03:58:36,325 INFO L290 TraceCheckUtils]: 44: Hoare triple {21377#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {21373#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 03:58:36,326 INFO L290 TraceCheckUtils]: 43: Hoare triple {21381#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21377#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,327 INFO L290 TraceCheckUtils]: 42: Hoare triple {21385#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21381#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:58:36,328 INFO L290 TraceCheckUtils]: 41: Hoare triple {21389#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21385#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,329 INFO L290 TraceCheckUtils]: 40: Hoare triple {21393#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21389#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,331 INFO L290 TraceCheckUtils]: 39: Hoare triple {21397#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21393#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,331 INFO L290 TraceCheckUtils]: 38: Hoare triple {21401#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21397#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:58:36,332 INFO L290 TraceCheckUtils]: 37: Hoare triple {21405#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21401#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,334 INFO L290 TraceCheckUtils]: 36: Hoare triple {21409#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21405#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,334 INFO L290 TraceCheckUtils]: 35: Hoare triple {21413#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21409#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,335 INFO L290 TraceCheckUtils]: 34: Hoare triple {21417#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21413#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,336 INFO L290 TraceCheckUtils]: 33: Hoare triple {21421#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21417#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,339 INFO L290 TraceCheckUtils]: 32: Hoare triple {21425#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21421#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,340 INFO L290 TraceCheckUtils]: 31: Hoare triple {21429#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21425#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,341 INFO L290 TraceCheckUtils]: 30: Hoare triple {21433#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21429#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:58:36,342 INFO L290 TraceCheckUtils]: 29: Hoare triple {21437#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21433#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,343 INFO L290 TraceCheckUtils]: 28: Hoare triple {21441#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21437#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,345 INFO L290 TraceCheckUtils]: 27: Hoare triple {21445#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21441#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,346 INFO L290 TraceCheckUtils]: 26: Hoare triple {21449#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21445#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:58:36,346 INFO L290 TraceCheckUtils]: 25: Hoare triple {21453#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21449#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,350 INFO L290 TraceCheckUtils]: 24: Hoare triple {21457#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21453#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,350 INFO L290 TraceCheckUtils]: 23: Hoare triple {21461#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21457#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,351 INFO L290 TraceCheckUtils]: 22: Hoare triple {21465#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21461#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:58:36,352 INFO L290 TraceCheckUtils]: 21: Hoare triple {21469#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21465#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {21473#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21469#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {21477#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21473#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {21481#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21477#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,357 INFO L290 TraceCheckUtils]: 17: Hoare triple {21485#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21481#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,363 INFO L290 TraceCheckUtils]: 16: Hoare triple {21489#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21485#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,363 INFO L290 TraceCheckUtils]: 15: Hoare triple {21493#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21489#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,364 INFO L290 TraceCheckUtils]: 14: Hoare triple {21497#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21493#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,365 INFO L290 TraceCheckUtils]: 13: Hoare triple {21501#(or (< (mod (+ main_~z~0 31) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21497#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,368 INFO L290 TraceCheckUtils]: 12: Hoare triple {21505#(or (< (mod (+ 32 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21501#(or (< (mod (+ main_~z~0 31) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,369 INFO L290 TraceCheckUtils]: 11: Hoare triple {21509#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21505#(or (< (mod (+ 32 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,370 INFO L290 TraceCheckUtils]: 10: Hoare triple {21513#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21509#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 03:58:36,370 INFO L290 TraceCheckUtils]: 9: Hoare triple {21517#(or (< (mod (+ 35 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21513#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 03:58:36,373 INFO L290 TraceCheckUtils]: 8: Hoare triple {21521#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21517#(or (< (mod (+ 35 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 03:58:36,373 INFO L290 TraceCheckUtils]: 7: Hoare triple {21171#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {21521#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 03:58:36,373 INFO L290 TraceCheckUtils]: 6: Hoare triple {21171#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L290 TraceCheckUtils]: 5: Hoare triple {21171#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L272 TraceCheckUtils]: 4: Hoare triple {21171#true} call #t~ret7 := main(); {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L290 TraceCheckUtils]: 2: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L290 TraceCheckUtils]: 1: Hoare triple {21171#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L272 TraceCheckUtils]: 0: Hoare triple {21171#true} call ULTIMATE.init(); {21171#true} is VALID [2022-04-28 03:58:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:36,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467495338] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:36,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:36,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39, 42] total 81 [2022-04-28 03:58:36,375 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:36,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1394116057] [2022-04-28 03:58:36,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1394116057] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:36,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:36,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-04-28 03:58:36,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913634969] [2022-04-28 03:58:36,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-04-28 03:58:36,376 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:36,376 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:36,401 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:36,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-04-28 03:58:36,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:36,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-04-28 03:58:36,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1622, Invalid=4858, Unknown=0, NotChecked=0, Total=6480 [2022-04-28 03:58:36,402 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:39,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:39,355 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2022-04-28 03:58:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-04-28 03:58:39,356 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-04-28 03:58:39,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:58:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 82 transitions. [2022-04-28 03:58:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 82 transitions. [2022-04-28 03:58:39,357 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 40 states and 82 transitions. [2022-04-28 03:58:39,421 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:39,421 INFO L225 Difference]: With dead ends: 111 [2022-04-28 03:58:39,421 INFO L226 Difference]: Without dead ends: 60 [2022-04-28 03:58:39,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=3220, Invalid=10586, Unknown=0, NotChecked=0, Total=13806 [2022-04-28 03:58:39,423 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:58:39,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 83 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-28 03:58:39,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-28 03:58:39,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-28 03:58:39,472 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:58:39,473 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:39,473 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:39,473 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:39,474 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2022-04-28 03:58:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-04-28 03:58:39,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:39,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:39,474 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 60 states. [2022-04-28 03:58:39,474 INFO L87 Difference]: Start difference. First operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 60 states. [2022-04-28 03:58:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:39,475 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2022-04-28 03:58:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-04-28 03:58:39,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:39,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:39,475 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:58:39,475 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:58:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2022-04-28 03:58:39,476 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 49 [2022-04-28 03:58:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:58:39,476 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2022-04-28 03:58:39,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:39,476 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 63 transitions. [2022-04-28 03:58:39,540 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-04-28 03:58:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-28 03:58:39,540 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:58:39,540 INFO L195 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:58:39,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-04-28 03:58:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:39,741 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:58:39,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:58:39,741 INFO L85 PathProgramCache]: Analyzing trace with hash 384095586, now seen corresponding path program 73 times [2022-04-28 03:58:39,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:39,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [685568751] [2022-04-28 03:58:43,918 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:58:44,033 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:58:44,036 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:58:44,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1849283267, now seen corresponding path program 1 times [2022-04-28 03:58:44,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:44,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25896705] [2022-04-28 03:58:44,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:44,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:44,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:58:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:44,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:58:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash 384095586, now seen corresponding path program 74 times [2022-04-28 03:58:44,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:44,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209296003] [2022-04-28 03:58:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:44,895 INFO L290 TraceCheckUtils]: 0: Hoare triple {22126#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 03:58:44,895 INFO L290 TraceCheckUtils]: 1: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 03:58:44,895 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 03:58:44,896 INFO L272 TraceCheckUtils]: 0: Hoare triple {22083#true} call ULTIMATE.init(); {22126#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:44,896 INFO L290 TraceCheckUtils]: 1: Hoare triple {22126#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 03:58:44,896 INFO L290 TraceCheckUtils]: 2: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 03:58:44,896 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 03:58:44,896 INFO L272 TraceCheckUtils]: 4: Hoare triple {22083#true} call #t~ret7 := main(); {22083#true} is VALID [2022-04-28 03:58:44,896 INFO L290 TraceCheckUtils]: 5: Hoare triple {22083#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {22083#true} is VALID [2022-04-28 03:58:44,896 INFO L290 TraceCheckUtils]: 6: Hoare triple {22083#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {22083#true} is VALID [2022-04-28 03:58:44,897 INFO L290 TraceCheckUtils]: 7: Hoare triple {22083#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {22088#(= main_~z~0 0)} is VALID [2022-04-28 03:58:44,897 INFO L290 TraceCheckUtils]: 8: Hoare triple {22088#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:44,898 INFO L290 TraceCheckUtils]: 9: Hoare triple {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:44,898 INFO L290 TraceCheckUtils]: 10: Hoare triple {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:44,899 INFO L290 TraceCheckUtils]: 11: Hoare triple {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:44,900 INFO L290 TraceCheckUtils]: 12: Hoare triple {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:44,900 INFO L290 TraceCheckUtils]: 13: Hoare triple {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:44,901 INFO L290 TraceCheckUtils]: 14: Hoare triple {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:44,901 INFO L290 TraceCheckUtils]: 15: Hoare triple {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:44,902 INFO L290 TraceCheckUtils]: 16: Hoare triple {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:44,902 INFO L290 TraceCheckUtils]: 17: Hoare triple {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:44,903 INFO L290 TraceCheckUtils]: 18: Hoare triple {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:44,903 INFO L290 TraceCheckUtils]: 19: Hoare triple {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:44,904 INFO L290 TraceCheckUtils]: 20: Hoare triple {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:44,905 INFO L290 TraceCheckUtils]: 21: Hoare triple {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:44,905 INFO L290 TraceCheckUtils]: 22: Hoare triple {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:44,906 INFO L290 TraceCheckUtils]: 23: Hoare triple {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:44,906 INFO L290 TraceCheckUtils]: 24: Hoare triple {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:44,907 INFO L290 TraceCheckUtils]: 25: Hoare triple {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:44,907 INFO L290 TraceCheckUtils]: 26: Hoare triple {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:44,908 INFO L290 TraceCheckUtils]: 27: Hoare triple {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:44,909 INFO L290 TraceCheckUtils]: 28: Hoare triple {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:44,909 INFO L290 TraceCheckUtils]: 29: Hoare triple {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:44,910 INFO L290 TraceCheckUtils]: 30: Hoare triple {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:44,910 INFO L290 TraceCheckUtils]: 31: Hoare triple {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:44,911 INFO L290 TraceCheckUtils]: 32: Hoare triple {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:44,911 INFO L290 TraceCheckUtils]: 33: Hoare triple {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:44,912 INFO L290 TraceCheckUtils]: 34: Hoare triple {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:44,912 INFO L290 TraceCheckUtils]: 35: Hoare triple {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:44,913 INFO L290 TraceCheckUtils]: 36: Hoare triple {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:44,914 INFO L290 TraceCheckUtils]: 37: Hoare triple {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:44,914 INFO L290 TraceCheckUtils]: 38: Hoare triple {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:44,915 INFO L290 TraceCheckUtils]: 39: Hoare triple {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:44,915 INFO L290 TraceCheckUtils]: 40: Hoare triple {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:44,916 INFO L290 TraceCheckUtils]: 41: Hoare triple {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:44,916 INFO L290 TraceCheckUtils]: 42: Hoare triple {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:44,917 INFO L290 TraceCheckUtils]: 43: Hoare triple {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:58:44,917 INFO L290 TraceCheckUtils]: 44: Hoare triple {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22125#(and (<= main_~z~0 37) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:58:44,918 INFO L290 TraceCheckUtils]: 45: Hoare triple {22125#(and (<= main_~z~0 37) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {22084#false} is VALID [2022-04-28 03:58:44,918 INFO L272 TraceCheckUtils]: 46: Hoare triple {22084#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {22084#false} is VALID [2022-04-28 03:58:44,918 INFO L290 TraceCheckUtils]: 47: Hoare triple {22084#false} ~cond := #in~cond; {22084#false} is VALID [2022-04-28 03:58:44,918 INFO L290 TraceCheckUtils]: 48: Hoare triple {22084#false} assume 0 == ~cond; {22084#false} is VALID [2022-04-28 03:58:44,918 INFO L290 TraceCheckUtils]: 49: Hoare triple {22084#false} assume !false; {22084#false} is VALID [2022-04-28 03:58:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:44,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:44,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209296003] [2022-04-28 03:58:44,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209296003] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:44,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386480429] [2022-04-28 03:58:44,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:58:44,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:44,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:44,920 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:44,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-04-28 03:58:44,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:58:44,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:44,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 77 conjunts are in the unsatisfiable core [2022-04-28 03:58:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:45,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:45,510 INFO L272 TraceCheckUtils]: 0: Hoare triple {22083#true} call ULTIMATE.init(); {22083#true} is VALID [2022-04-28 03:58:45,510 INFO L290 TraceCheckUtils]: 1: Hoare triple {22083#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 03:58:45,510 INFO L290 TraceCheckUtils]: 2: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 03:58:45,510 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 03:58:45,510 INFO L272 TraceCheckUtils]: 4: Hoare triple {22083#true} call #t~ret7 := main(); {22083#true} is VALID [2022-04-28 03:58:45,511 INFO L290 TraceCheckUtils]: 5: Hoare triple {22083#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {22083#true} is VALID [2022-04-28 03:58:45,511 INFO L290 TraceCheckUtils]: 6: Hoare triple {22083#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {22083#true} is VALID [2022-04-28 03:58:45,511 INFO L290 TraceCheckUtils]: 7: Hoare triple {22083#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {22088#(= main_~z~0 0)} is VALID [2022-04-28 03:58:45,511 INFO L290 TraceCheckUtils]: 8: Hoare triple {22088#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:45,512 INFO L290 TraceCheckUtils]: 9: Hoare triple {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:45,512 INFO L290 TraceCheckUtils]: 10: Hoare triple {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:45,513 INFO L290 TraceCheckUtils]: 11: Hoare triple {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:45,513 INFO L290 TraceCheckUtils]: 12: Hoare triple {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:45,514 INFO L290 TraceCheckUtils]: 13: Hoare triple {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:45,514 INFO L290 TraceCheckUtils]: 14: Hoare triple {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:45,515 INFO L290 TraceCheckUtils]: 15: Hoare triple {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:45,515 INFO L290 TraceCheckUtils]: 16: Hoare triple {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:45,516 INFO L290 TraceCheckUtils]: 17: Hoare triple {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:45,516 INFO L290 TraceCheckUtils]: 18: Hoare triple {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:45,516 INFO L290 TraceCheckUtils]: 19: Hoare triple {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:45,517 INFO L290 TraceCheckUtils]: 20: Hoare triple {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:45,517 INFO L290 TraceCheckUtils]: 21: Hoare triple {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:45,518 INFO L290 TraceCheckUtils]: 22: Hoare triple {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:45,518 INFO L290 TraceCheckUtils]: 23: Hoare triple {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:45,519 INFO L290 TraceCheckUtils]: 24: Hoare triple {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:45,519 INFO L290 TraceCheckUtils]: 25: Hoare triple {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:45,520 INFO L290 TraceCheckUtils]: 26: Hoare triple {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:45,520 INFO L290 TraceCheckUtils]: 27: Hoare triple {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:45,521 INFO L290 TraceCheckUtils]: 28: Hoare triple {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:45,521 INFO L290 TraceCheckUtils]: 29: Hoare triple {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:45,522 INFO L290 TraceCheckUtils]: 30: Hoare triple {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:45,522 INFO L290 TraceCheckUtils]: 31: Hoare triple {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:45,523 INFO L290 TraceCheckUtils]: 32: Hoare triple {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:45,523 INFO L290 TraceCheckUtils]: 33: Hoare triple {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:45,524 INFO L290 TraceCheckUtils]: 34: Hoare triple {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:45,524 INFO L290 TraceCheckUtils]: 35: Hoare triple {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:45,525 INFO L290 TraceCheckUtils]: 36: Hoare triple {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:45,525 INFO L290 TraceCheckUtils]: 37: Hoare triple {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:45,525 INFO L290 TraceCheckUtils]: 38: Hoare triple {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:45,526 INFO L290 TraceCheckUtils]: 39: Hoare triple {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:45,526 INFO L290 TraceCheckUtils]: 40: Hoare triple {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:45,527 INFO L290 TraceCheckUtils]: 41: Hoare triple {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:45,527 INFO L290 TraceCheckUtils]: 42: Hoare triple {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:45,528 INFO L290 TraceCheckUtils]: 43: Hoare triple {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:58:45,528 INFO L290 TraceCheckUtils]: 44: Hoare triple {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22262#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:58:45,529 INFO L290 TraceCheckUtils]: 45: Hoare triple {22262#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !(~z~0 % 4294967296 < 268435455); {22084#false} is VALID [2022-04-28 03:58:45,529 INFO L272 TraceCheckUtils]: 46: Hoare triple {22084#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {22084#false} is VALID [2022-04-28 03:58:45,529 INFO L290 TraceCheckUtils]: 47: Hoare triple {22084#false} ~cond := #in~cond; {22084#false} is VALID [2022-04-28 03:58:45,529 INFO L290 TraceCheckUtils]: 48: Hoare triple {22084#false} assume 0 == ~cond; {22084#false} is VALID [2022-04-28 03:58:45,529 INFO L290 TraceCheckUtils]: 49: Hoare triple {22084#false} assume !false; {22084#false} is VALID [2022-04-28 03:58:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:45,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:47,692 INFO L290 TraceCheckUtils]: 49: Hoare triple {22084#false} assume !false; {22084#false} is VALID [2022-04-28 03:58:47,693 INFO L290 TraceCheckUtils]: 48: Hoare triple {22084#false} assume 0 == ~cond; {22084#false} is VALID [2022-04-28 03:58:47,693 INFO L290 TraceCheckUtils]: 47: Hoare triple {22084#false} ~cond := #in~cond; {22084#false} is VALID [2022-04-28 03:58:47,693 INFO L272 TraceCheckUtils]: 46: Hoare triple {22084#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {22084#false} is VALID [2022-04-28 03:58:47,693 INFO L290 TraceCheckUtils]: 45: Hoare triple {22290#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {22084#false} is VALID [2022-04-28 03:58:47,694 INFO L290 TraceCheckUtils]: 44: Hoare triple {22294#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22290#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,694 INFO L290 TraceCheckUtils]: 43: Hoare triple {22298#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22294#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,695 INFO L290 TraceCheckUtils]: 42: Hoare triple {22302#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22298#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,695 INFO L290 TraceCheckUtils]: 41: Hoare triple {22306#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22302#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,696 INFO L290 TraceCheckUtils]: 40: Hoare triple {22310#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22306#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,697 INFO L290 TraceCheckUtils]: 39: Hoare triple {22314#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22310#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,697 INFO L290 TraceCheckUtils]: 38: Hoare triple {22318#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22314#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,698 INFO L290 TraceCheckUtils]: 37: Hoare triple {22322#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22318#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,698 INFO L290 TraceCheckUtils]: 36: Hoare triple {22326#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22322#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,699 INFO L290 TraceCheckUtils]: 35: Hoare triple {22330#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22326#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,700 INFO L290 TraceCheckUtils]: 34: Hoare triple {22334#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22330#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,700 INFO L290 TraceCheckUtils]: 33: Hoare triple {22338#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22334#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,701 INFO L290 TraceCheckUtils]: 32: Hoare triple {22342#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22338#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,701 INFO L290 TraceCheckUtils]: 31: Hoare triple {22346#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22342#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,702 INFO L290 TraceCheckUtils]: 30: Hoare triple {22350#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22346#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,703 INFO L290 TraceCheckUtils]: 29: Hoare triple {22354#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22350#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,704 INFO L290 TraceCheckUtils]: 28: Hoare triple {22358#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22354#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,704 INFO L290 TraceCheckUtils]: 27: Hoare triple {22362#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22358#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,705 INFO L290 TraceCheckUtils]: 26: Hoare triple {22366#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22362#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,705 INFO L290 TraceCheckUtils]: 25: Hoare triple {22370#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22366#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,706 INFO L290 TraceCheckUtils]: 24: Hoare triple {22374#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22370#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,706 INFO L290 TraceCheckUtils]: 23: Hoare triple {22378#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22374#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,707 INFO L290 TraceCheckUtils]: 22: Hoare triple {22382#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22378#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,708 INFO L290 TraceCheckUtils]: 21: Hoare triple {22386#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22382#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,709 INFO L290 TraceCheckUtils]: 20: Hoare triple {22390#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22386#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,710 INFO L290 TraceCheckUtils]: 19: Hoare triple {22394#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22390#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,710 INFO L290 TraceCheckUtils]: 18: Hoare triple {22398#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22394#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,711 INFO L290 TraceCheckUtils]: 17: Hoare triple {22402#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22398#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,712 INFO L290 TraceCheckUtils]: 16: Hoare triple {22406#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22402#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,712 INFO L290 TraceCheckUtils]: 15: Hoare triple {22410#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22406#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,713 INFO L290 TraceCheckUtils]: 14: Hoare triple {22414#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22410#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,713 INFO L290 TraceCheckUtils]: 13: Hoare triple {22418#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22414#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,714 INFO L290 TraceCheckUtils]: 12: Hoare triple {22422#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22418#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,714 INFO L290 TraceCheckUtils]: 11: Hoare triple {22426#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22422#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,715 INFO L290 TraceCheckUtils]: 10: Hoare triple {22430#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22426#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,716 INFO L290 TraceCheckUtils]: 9: Hoare triple {22434#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22430#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,716 INFO L290 TraceCheckUtils]: 8: Hoare triple {22438#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22434#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,717 INFO L290 TraceCheckUtils]: 7: Hoare triple {22083#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {22438#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 03:58:47,717 INFO L290 TraceCheckUtils]: 6: Hoare triple {22083#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L290 TraceCheckUtils]: 5: Hoare triple {22083#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L272 TraceCheckUtils]: 4: Hoare triple {22083#true} call #t~ret7 := main(); {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L290 TraceCheckUtils]: 2: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L290 TraceCheckUtils]: 1: Hoare triple {22083#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L272 TraceCheckUtils]: 0: Hoare triple {22083#true} call ULTIMATE.init(); {22083#true} is VALID [2022-04-28 03:58:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:47,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386480429] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:47,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:47,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 80 [2022-04-28 03:58:47,718 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:47,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [685568751] [2022-04-28 03:58:47,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [685568751] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:47,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:47,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2022-04-28 03:58:47,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727576694] [2022-04-28 03:58:47,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:47,719 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-28 03:58:47,719 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:47,719 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:47,744 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:47,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-04-28 03:58:47,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:47,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-04-28 03:58:47,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1677, Invalid=4643, Unknown=0, NotChecked=0, Total=6320 [2022-04-28 03:58:47,745 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:51,091 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2022-04-28 03:58:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-04-28 03:58:51,092 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-28 03:58:51,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:58:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 83 transitions. [2022-04-28 03:58:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 83 transitions. [2022-04-28 03:58:51,093 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 41 states and 83 transitions. [2022-04-28 03:58:51,143 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:51,144 INFO L225 Difference]: With dead ends: 113 [2022-04-28 03:58:51,144 INFO L226 Difference]: Without dead ends: 61 [2022-04-28 03:58:51,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3347, Invalid=10459, Unknown=0, NotChecked=0, Total=13806 [2022-04-28 03:58:51,145 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-28 03:58:51,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 163 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-28 03:58:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-04-28 03:58:51,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2022-04-28 03:58:51,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:58:51,211 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:51,211 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:51,211 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:51,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:51,212 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-04-28 03:58:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-04-28 03:58:51,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:51,212 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:51,212 INFO L74 IsIncluded]: Start isIncluded. First operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 61 states. [2022-04-28 03:58:51,212 INFO L87 Difference]: Start difference. First operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 61 states. [2022-04-28 03:58:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:58:51,213 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-04-28 03:58:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-04-28 03:58:51,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:58:51,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:58:51,213 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:58:51,213 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:58:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:58:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2022-04-28 03:58:51,214 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 50 [2022-04-28 03:58:51,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:58:51,214 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2022-04-28 03:58:51,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:51,214 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 60 states and 64 transitions. [2022-04-28 03:58:51,269 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-04-28 03:58:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-28 03:58:51,269 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:58:51,269 INFO L195 NwaCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:58:51,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-04-28 03:58:51,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2022-04-28 03:58:51,470 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:58:51,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:58:51,470 INFO L85 PathProgramCache]: Analyzing trace with hash -951636158, now seen corresponding path program 75 times [2022-04-28 03:58:51,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:51,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [808691081] [2022-04-28 03:58:54,594 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:58:54,717 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:58:54,718 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:58:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1908388611, now seen corresponding path program 1 times [2022-04-28 03:58:54,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:54,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595228829] [2022-04-28 03:58:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:54,724 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:58:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:58:54,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:58:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash -951636158, now seen corresponding path program 76 times [2022-04-28 03:58:54,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:58:54,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156639940] [2022-04-28 03:58:54,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:58:54,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:58:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:58:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:55,555 INFO L290 TraceCheckUtils]: 0: Hoare triple {23054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 03:58:55,555 INFO L290 TraceCheckUtils]: 1: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 03:58:55,555 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 03:58:55,555 INFO L272 TraceCheckUtils]: 0: Hoare triple {23010#true} call ULTIMATE.init(); {23054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:58:55,555 INFO L290 TraceCheckUtils]: 1: Hoare triple {23054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 03:58:55,556 INFO L290 TraceCheckUtils]: 2: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 03:58:55,556 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 03:58:55,556 INFO L272 TraceCheckUtils]: 4: Hoare triple {23010#true} call #t~ret7 := main(); {23010#true} is VALID [2022-04-28 03:58:55,556 INFO L290 TraceCheckUtils]: 5: Hoare triple {23010#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23010#true} is VALID [2022-04-28 03:58:55,556 INFO L290 TraceCheckUtils]: 6: Hoare triple {23010#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23010#true} is VALID [2022-04-28 03:58:55,556 INFO L290 TraceCheckUtils]: 7: Hoare triple {23010#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23015#(= main_~z~0 0)} is VALID [2022-04-28 03:58:55,556 INFO L290 TraceCheckUtils]: 8: Hoare triple {23015#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:55,557 INFO L290 TraceCheckUtils]: 9: Hoare triple {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:55,557 INFO L290 TraceCheckUtils]: 10: Hoare triple {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:55,558 INFO L290 TraceCheckUtils]: 11: Hoare triple {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:55,558 INFO L290 TraceCheckUtils]: 12: Hoare triple {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:55,559 INFO L290 TraceCheckUtils]: 13: Hoare triple {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:55,559 INFO L290 TraceCheckUtils]: 14: Hoare triple {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:55,560 INFO L290 TraceCheckUtils]: 15: Hoare triple {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:55,560 INFO L290 TraceCheckUtils]: 16: Hoare triple {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:55,561 INFO L290 TraceCheckUtils]: 17: Hoare triple {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:55,561 INFO L290 TraceCheckUtils]: 18: Hoare triple {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:55,562 INFO L290 TraceCheckUtils]: 19: Hoare triple {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:55,562 INFO L290 TraceCheckUtils]: 20: Hoare triple {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:55,563 INFO L290 TraceCheckUtils]: 21: Hoare triple {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:55,563 INFO L290 TraceCheckUtils]: 22: Hoare triple {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:55,564 INFO L290 TraceCheckUtils]: 23: Hoare triple {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:55,564 INFO L290 TraceCheckUtils]: 24: Hoare triple {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:55,565 INFO L290 TraceCheckUtils]: 25: Hoare triple {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:55,565 INFO L290 TraceCheckUtils]: 26: Hoare triple {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:55,565 INFO L290 TraceCheckUtils]: 27: Hoare triple {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:55,566 INFO L290 TraceCheckUtils]: 28: Hoare triple {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:55,566 INFO L290 TraceCheckUtils]: 29: Hoare triple {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:55,567 INFO L290 TraceCheckUtils]: 30: Hoare triple {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:55,567 INFO L290 TraceCheckUtils]: 31: Hoare triple {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:55,568 INFO L290 TraceCheckUtils]: 32: Hoare triple {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:55,568 INFO L290 TraceCheckUtils]: 33: Hoare triple {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:55,569 INFO L290 TraceCheckUtils]: 34: Hoare triple {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:55,569 INFO L290 TraceCheckUtils]: 35: Hoare triple {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:55,570 INFO L290 TraceCheckUtils]: 36: Hoare triple {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:55,570 INFO L290 TraceCheckUtils]: 37: Hoare triple {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:55,571 INFO L290 TraceCheckUtils]: 38: Hoare triple {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:55,571 INFO L290 TraceCheckUtils]: 39: Hoare triple {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:55,572 INFO L290 TraceCheckUtils]: 40: Hoare triple {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:55,572 INFO L290 TraceCheckUtils]: 41: Hoare triple {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:55,573 INFO L290 TraceCheckUtils]: 42: Hoare triple {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:55,573 INFO L290 TraceCheckUtils]: 43: Hoare triple {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:58:55,574 INFO L290 TraceCheckUtils]: 44: Hoare triple {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:58:55,574 INFO L290 TraceCheckUtils]: 45: Hoare triple {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23053#(and (<= main_~z~0 38) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:58:55,574 INFO L290 TraceCheckUtils]: 46: Hoare triple {23053#(and (<= main_~z~0 38) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {23011#false} is VALID [2022-04-28 03:58:55,575 INFO L272 TraceCheckUtils]: 47: Hoare triple {23011#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23011#false} is VALID [2022-04-28 03:58:55,575 INFO L290 TraceCheckUtils]: 48: Hoare triple {23011#false} ~cond := #in~cond; {23011#false} is VALID [2022-04-28 03:58:55,575 INFO L290 TraceCheckUtils]: 49: Hoare triple {23011#false} assume 0 == ~cond; {23011#false} is VALID [2022-04-28 03:58:55,575 INFO L290 TraceCheckUtils]: 50: Hoare triple {23011#false} assume !false; {23011#false} is VALID [2022-04-28 03:58:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:55,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:58:55,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156639940] [2022-04-28 03:58:55,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156639940] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:58:55,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535450630] [2022-04-28 03:58:55,575 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:58:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:58:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:58:55,576 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:58:55,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-04-28 03:58:55,704 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:58:55,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:58:55,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-28 03:58:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:58:55,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:58:56,171 INFO L272 TraceCheckUtils]: 0: Hoare triple {23010#true} call ULTIMATE.init(); {23010#true} is VALID [2022-04-28 03:58:56,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {23010#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 03:58:56,172 INFO L290 TraceCheckUtils]: 2: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 03:58:56,172 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 03:58:56,172 INFO L272 TraceCheckUtils]: 4: Hoare triple {23010#true} call #t~ret7 := main(); {23010#true} is VALID [2022-04-28 03:58:56,172 INFO L290 TraceCheckUtils]: 5: Hoare triple {23010#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23010#true} is VALID [2022-04-28 03:58:56,172 INFO L290 TraceCheckUtils]: 6: Hoare triple {23010#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23010#true} is VALID [2022-04-28 03:58:56,172 INFO L290 TraceCheckUtils]: 7: Hoare triple {23010#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23015#(= main_~z~0 0)} is VALID [2022-04-28 03:58:56,172 INFO L290 TraceCheckUtils]: 8: Hoare triple {23015#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:58:56,173 INFO L290 TraceCheckUtils]: 9: Hoare triple {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:58:56,173 INFO L290 TraceCheckUtils]: 10: Hoare triple {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:58:56,174 INFO L290 TraceCheckUtils]: 11: Hoare triple {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:58:56,174 INFO L290 TraceCheckUtils]: 12: Hoare triple {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:58:56,175 INFO L290 TraceCheckUtils]: 13: Hoare triple {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:58:56,175 INFO L290 TraceCheckUtils]: 14: Hoare triple {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:58:56,176 INFO L290 TraceCheckUtils]: 15: Hoare triple {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:58:56,176 INFO L290 TraceCheckUtils]: 16: Hoare triple {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:58:56,177 INFO L290 TraceCheckUtils]: 17: Hoare triple {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:58:56,177 INFO L290 TraceCheckUtils]: 18: Hoare triple {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:58:56,178 INFO L290 TraceCheckUtils]: 19: Hoare triple {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:58:56,178 INFO L290 TraceCheckUtils]: 20: Hoare triple {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:58:56,179 INFO L290 TraceCheckUtils]: 21: Hoare triple {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:58:56,179 INFO L290 TraceCheckUtils]: 22: Hoare triple {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:58:56,180 INFO L290 TraceCheckUtils]: 23: Hoare triple {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:58:56,180 INFO L290 TraceCheckUtils]: 24: Hoare triple {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:58:56,181 INFO L290 TraceCheckUtils]: 25: Hoare triple {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:58:56,181 INFO L290 TraceCheckUtils]: 26: Hoare triple {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:58:56,181 INFO L290 TraceCheckUtils]: 27: Hoare triple {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:58:56,182 INFO L290 TraceCheckUtils]: 28: Hoare triple {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:58:56,182 INFO L290 TraceCheckUtils]: 29: Hoare triple {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:58:56,183 INFO L290 TraceCheckUtils]: 30: Hoare triple {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:58:56,183 INFO L290 TraceCheckUtils]: 31: Hoare triple {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:58:56,184 INFO L290 TraceCheckUtils]: 32: Hoare triple {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:58:56,184 INFO L290 TraceCheckUtils]: 33: Hoare triple {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:58:56,185 INFO L290 TraceCheckUtils]: 34: Hoare triple {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:58:56,185 INFO L290 TraceCheckUtils]: 35: Hoare triple {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:58:56,186 INFO L290 TraceCheckUtils]: 36: Hoare triple {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:58:56,186 INFO L290 TraceCheckUtils]: 37: Hoare triple {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:58:56,187 INFO L290 TraceCheckUtils]: 38: Hoare triple {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:58:56,187 INFO L290 TraceCheckUtils]: 39: Hoare triple {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:58:56,188 INFO L290 TraceCheckUtils]: 40: Hoare triple {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:58:56,188 INFO L290 TraceCheckUtils]: 41: Hoare triple {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:58:56,189 INFO L290 TraceCheckUtils]: 42: Hoare triple {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:58:56,189 INFO L290 TraceCheckUtils]: 43: Hoare triple {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:58:56,189 INFO L290 TraceCheckUtils]: 44: Hoare triple {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:58:56,190 INFO L290 TraceCheckUtils]: 45: Hoare triple {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23193#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:58:56,190 INFO L290 TraceCheckUtils]: 46: Hoare triple {23193#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {23011#false} is VALID [2022-04-28 03:58:56,190 INFO L272 TraceCheckUtils]: 47: Hoare triple {23011#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23011#false} is VALID [2022-04-28 03:58:56,191 INFO L290 TraceCheckUtils]: 48: Hoare triple {23011#false} ~cond := #in~cond; {23011#false} is VALID [2022-04-28 03:58:56,191 INFO L290 TraceCheckUtils]: 49: Hoare triple {23011#false} assume 0 == ~cond; {23011#false} is VALID [2022-04-28 03:58:56,191 INFO L290 TraceCheckUtils]: 50: Hoare triple {23011#false} assume !false; {23011#false} is VALID [2022-04-28 03:58:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:56,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:58:58,488 INFO L290 TraceCheckUtils]: 50: Hoare triple {23011#false} assume !false; {23011#false} is VALID [2022-04-28 03:58:58,488 INFO L290 TraceCheckUtils]: 49: Hoare triple {23011#false} assume 0 == ~cond; {23011#false} is VALID [2022-04-28 03:58:58,488 INFO L290 TraceCheckUtils]: 48: Hoare triple {23011#false} ~cond := #in~cond; {23011#false} is VALID [2022-04-28 03:58:58,489 INFO L272 TraceCheckUtils]: 47: Hoare triple {23011#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23011#false} is VALID [2022-04-28 03:58:58,489 INFO L290 TraceCheckUtils]: 46: Hoare triple {23221#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {23011#false} is VALID [2022-04-28 03:58:58,489 INFO L290 TraceCheckUtils]: 45: Hoare triple {23225#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23221#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,490 INFO L290 TraceCheckUtils]: 44: Hoare triple {23229#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23225#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,491 INFO L290 TraceCheckUtils]: 43: Hoare triple {23233#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23229#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,491 INFO L290 TraceCheckUtils]: 42: Hoare triple {23237#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23233#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,492 INFO L290 TraceCheckUtils]: 41: Hoare triple {23241#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23237#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,492 INFO L290 TraceCheckUtils]: 40: Hoare triple {23245#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23241#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,493 INFO L290 TraceCheckUtils]: 39: Hoare triple {23249#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23245#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,494 INFO L290 TraceCheckUtils]: 38: Hoare triple {23253#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23249#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,494 INFO L290 TraceCheckUtils]: 37: Hoare triple {23257#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23253#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,495 INFO L290 TraceCheckUtils]: 36: Hoare triple {23261#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23257#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,495 INFO L290 TraceCheckUtils]: 35: Hoare triple {23265#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23261#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,496 INFO L290 TraceCheckUtils]: 34: Hoare triple {23269#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23265#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,497 INFO L290 TraceCheckUtils]: 33: Hoare triple {23273#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23269#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,497 INFO L290 TraceCheckUtils]: 32: Hoare triple {23277#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23273#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,498 INFO L290 TraceCheckUtils]: 31: Hoare triple {23281#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23277#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,498 INFO L290 TraceCheckUtils]: 30: Hoare triple {23285#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23281#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,499 INFO L290 TraceCheckUtils]: 29: Hoare triple {23289#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23285#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,500 INFO L290 TraceCheckUtils]: 28: Hoare triple {23293#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23289#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,500 INFO L290 TraceCheckUtils]: 27: Hoare triple {23297#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23293#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,501 INFO L290 TraceCheckUtils]: 26: Hoare triple {23301#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23297#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,501 INFO L290 TraceCheckUtils]: 25: Hoare triple {23305#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23301#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,502 INFO L290 TraceCheckUtils]: 24: Hoare triple {23309#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23305#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,503 INFO L290 TraceCheckUtils]: 23: Hoare triple {23313#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23309#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,503 INFO L290 TraceCheckUtils]: 22: Hoare triple {23317#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23313#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,504 INFO L290 TraceCheckUtils]: 21: Hoare triple {23321#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23317#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,507 INFO L290 TraceCheckUtils]: 20: Hoare triple {23325#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23321#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,508 INFO L290 TraceCheckUtils]: 19: Hoare triple {23329#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23325#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,509 INFO L290 TraceCheckUtils]: 18: Hoare triple {23333#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23329#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,509 INFO L290 TraceCheckUtils]: 17: Hoare triple {23337#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23333#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,510 INFO L290 TraceCheckUtils]: 16: Hoare triple {23341#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23337#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,510 INFO L290 TraceCheckUtils]: 15: Hoare triple {23345#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23341#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,511 INFO L290 TraceCheckUtils]: 14: Hoare triple {23349#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23345#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,512 INFO L290 TraceCheckUtils]: 13: Hoare triple {23353#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23349#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,512 INFO L290 TraceCheckUtils]: 12: Hoare triple {23357#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23353#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,513 INFO L290 TraceCheckUtils]: 11: Hoare triple {23361#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23357#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,513 INFO L290 TraceCheckUtils]: 10: Hoare triple {23365#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23361#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,514 INFO L290 TraceCheckUtils]: 9: Hoare triple {23369#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23365#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,515 INFO L290 TraceCheckUtils]: 8: Hoare triple {23373#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23369#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,515 INFO L290 TraceCheckUtils]: 7: Hoare triple {23010#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23373#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 03:58:58,515 INFO L290 TraceCheckUtils]: 6: Hoare triple {23010#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23010#true} is VALID [2022-04-28 03:58:58,515 INFO L290 TraceCheckUtils]: 5: Hoare triple {23010#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23010#true} is VALID [2022-04-28 03:58:58,515 INFO L272 TraceCheckUtils]: 4: Hoare triple {23010#true} call #t~ret7 := main(); {23010#true} is VALID [2022-04-28 03:58:58,515 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 03:58:58,515 INFO L290 TraceCheckUtils]: 2: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 03:58:58,515 INFO L290 TraceCheckUtils]: 1: Hoare triple {23010#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 03:58:58,515 INFO L272 TraceCheckUtils]: 0: Hoare triple {23010#true} call ULTIMATE.init(); {23010#true} is VALID [2022-04-28 03:58:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:58:58,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535450630] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:58:58,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:58:58,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 82 [2022-04-28 03:58:58,516 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:58:58,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [808691081] [2022-04-28 03:58:58,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [808691081] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:58:58,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:58:58,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-04-28 03:58:58,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810015572] [2022-04-28 03:58:58,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:58:58,517 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-04-28 03:58:58,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:58:58,517 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:58:58,543 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:58:58,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-04-28 03:58:58,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:58:58,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-04-28 03:58:58,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1760, Invalid=4882, Unknown=0, NotChecked=0, Total=6642 [2022-04-28 03:58:58,544 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:01,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:01,924 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2022-04-28 03:59:01,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-04-28 03:59:01,924 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-04-28 03:59:01,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:59:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 84 transitions. [2022-04-28 03:59:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 84 transitions. [2022-04-28 03:59:01,944 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 42 states and 84 transitions. [2022-04-28 03:59:02,008 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:02,009 INFO L225 Difference]: With dead ends: 115 [2022-04-28 03:59:02,009 INFO L226 Difference]: Without dead ends: 62 [2022-04-28 03:59:02,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=3513, Invalid=11007, Unknown=0, NotChecked=0, Total=14520 [2022-04-28 03:59:02,010 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-28 03:59:02,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 138 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-28 03:59:02,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-04-28 03:59:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2022-04-28 03:59:02,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:59:02,061 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:02,061 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:02,061 INFO L87 Difference]: Start difference. First operand 62 states. Second operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:02,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:02,062 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2022-04-28 03:59:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-04-28 03:59:02,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:02,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:02,062 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 62 states. [2022-04-28 03:59:02,062 INFO L87 Difference]: Start difference. First operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 62 states. [2022-04-28 03:59:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:02,063 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2022-04-28 03:59:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-04-28 03:59:02,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:02,063 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:02,063 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:59:02,063 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:59:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2022-04-28 03:59:02,064 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 51 [2022-04-28 03:59:02,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:59:02,064 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2022-04-28 03:59:02,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:02,064 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 61 states and 65 transitions. [2022-04-28 03:59:02,126 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-04-28 03:59:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-28 03:59:02,126 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:59:02,126 INFO L195 NwaCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:59:02,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-04-28 03:59:02,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2022-04-28 03:59:02,327 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:59:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:59:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash 590352738, now seen corresponding path program 77 times [2022-04-28 03:59:02,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:02,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1269890844] [2022-04-28 03:59:04,827 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:59:04,945 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:59:04,946 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:59:04,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1967493955, now seen corresponding path program 1 times [2022-04-28 03:59:04,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:04,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984064442] [2022-04-28 03:59:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:04,953 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:59:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:04,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:59:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash 590352738, now seen corresponding path program 78 times [2022-04-28 03:59:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:04,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361604375] [2022-04-28 03:59:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:59:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:05,825 INFO L290 TraceCheckUtils]: 0: Hoare triple {24000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 03:59:05,825 INFO L290 TraceCheckUtils]: 1: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 03:59:05,825 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L272 TraceCheckUtils]: 0: Hoare triple {23955#true} call ULTIMATE.init(); {24000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:59:05,826 INFO L290 TraceCheckUtils]: 1: Hoare triple {24000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L290 TraceCheckUtils]: 2: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L272 TraceCheckUtils]: 4: Hoare triple {23955#true} call #t~ret7 := main(); {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L290 TraceCheckUtils]: 5: Hoare triple {23955#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L290 TraceCheckUtils]: 6: Hoare triple {23955#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23955#true} is VALID [2022-04-28 03:59:05,826 INFO L290 TraceCheckUtils]: 7: Hoare triple {23955#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23960#(= main_~z~0 0)} is VALID [2022-04-28 03:59:05,827 INFO L290 TraceCheckUtils]: 8: Hoare triple {23960#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:05,827 INFO L290 TraceCheckUtils]: 9: Hoare triple {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:05,828 INFO L290 TraceCheckUtils]: 10: Hoare triple {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:05,828 INFO L290 TraceCheckUtils]: 11: Hoare triple {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:05,829 INFO L290 TraceCheckUtils]: 12: Hoare triple {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:05,829 INFO L290 TraceCheckUtils]: 13: Hoare triple {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:05,830 INFO L290 TraceCheckUtils]: 14: Hoare triple {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:05,830 INFO L290 TraceCheckUtils]: 15: Hoare triple {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:05,830 INFO L290 TraceCheckUtils]: 16: Hoare triple {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:05,831 INFO L290 TraceCheckUtils]: 17: Hoare triple {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:05,831 INFO L290 TraceCheckUtils]: 18: Hoare triple {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:05,832 INFO L290 TraceCheckUtils]: 19: Hoare triple {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:05,832 INFO L290 TraceCheckUtils]: 20: Hoare triple {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:05,833 INFO L290 TraceCheckUtils]: 21: Hoare triple {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:05,833 INFO L290 TraceCheckUtils]: 22: Hoare triple {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:05,834 INFO L290 TraceCheckUtils]: 23: Hoare triple {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:05,834 INFO L290 TraceCheckUtils]: 24: Hoare triple {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:05,835 INFO L290 TraceCheckUtils]: 25: Hoare triple {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:05,835 INFO L290 TraceCheckUtils]: 26: Hoare triple {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:05,836 INFO L290 TraceCheckUtils]: 27: Hoare triple {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:05,836 INFO L290 TraceCheckUtils]: 28: Hoare triple {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:05,837 INFO L290 TraceCheckUtils]: 29: Hoare triple {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:05,837 INFO L290 TraceCheckUtils]: 30: Hoare triple {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:05,838 INFO L290 TraceCheckUtils]: 31: Hoare triple {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:05,838 INFO L290 TraceCheckUtils]: 32: Hoare triple {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:05,838 INFO L290 TraceCheckUtils]: 33: Hoare triple {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:05,839 INFO L290 TraceCheckUtils]: 34: Hoare triple {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:05,839 INFO L290 TraceCheckUtils]: 35: Hoare triple {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:05,840 INFO L290 TraceCheckUtils]: 36: Hoare triple {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:05,840 INFO L290 TraceCheckUtils]: 37: Hoare triple {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:05,841 INFO L290 TraceCheckUtils]: 38: Hoare triple {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:05,841 INFO L290 TraceCheckUtils]: 39: Hoare triple {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:05,842 INFO L290 TraceCheckUtils]: 40: Hoare triple {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:05,842 INFO L290 TraceCheckUtils]: 41: Hoare triple {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:05,843 INFO L290 TraceCheckUtils]: 42: Hoare triple {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:05,843 INFO L290 TraceCheckUtils]: 43: Hoare triple {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:05,844 INFO L290 TraceCheckUtils]: 44: Hoare triple {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:05,844 INFO L290 TraceCheckUtils]: 45: Hoare triple {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:05,845 INFO L290 TraceCheckUtils]: 46: Hoare triple {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23999#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 39))} is VALID [2022-04-28 03:59:05,845 INFO L290 TraceCheckUtils]: 47: Hoare triple {23999#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 39))} assume !(~z~0 % 4294967296 < 268435455); {23956#false} is VALID [2022-04-28 03:59:05,845 INFO L272 TraceCheckUtils]: 48: Hoare triple {23956#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23956#false} is VALID [2022-04-28 03:59:05,845 INFO L290 TraceCheckUtils]: 49: Hoare triple {23956#false} ~cond := #in~cond; {23956#false} is VALID [2022-04-28 03:59:05,845 INFO L290 TraceCheckUtils]: 50: Hoare triple {23956#false} assume 0 == ~cond; {23956#false} is VALID [2022-04-28 03:59:05,845 INFO L290 TraceCheckUtils]: 51: Hoare triple {23956#false} assume !false; {23956#false} is VALID [2022-04-28 03:59:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:05,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:59:05,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361604375] [2022-04-28 03:59:05,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361604375] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:59:05,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224269307] [2022-04-28 03:59:05,846 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:59:05,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:05,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:59:05,847 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:59:05,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-04-28 03:59:11,122 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2022-04-28 03:59:11,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:59:11,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 81 conjunts are in the unsatisfiable core [2022-04-28 03:59:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:11,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:59:11,597 INFO L272 TraceCheckUtils]: 0: Hoare triple {23955#true} call ULTIMATE.init(); {23955#true} is VALID [2022-04-28 03:59:11,597 INFO L290 TraceCheckUtils]: 1: Hoare triple {23955#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 03:59:11,597 INFO L290 TraceCheckUtils]: 2: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 03:59:11,597 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 03:59:11,597 INFO L272 TraceCheckUtils]: 4: Hoare triple {23955#true} call #t~ret7 := main(); {23955#true} is VALID [2022-04-28 03:59:11,597 INFO L290 TraceCheckUtils]: 5: Hoare triple {23955#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23955#true} is VALID [2022-04-28 03:59:11,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {23955#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23955#true} is VALID [2022-04-28 03:59:11,598 INFO L290 TraceCheckUtils]: 7: Hoare triple {23955#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23960#(= main_~z~0 0)} is VALID [2022-04-28 03:59:11,598 INFO L290 TraceCheckUtils]: 8: Hoare triple {23960#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:11,599 INFO L290 TraceCheckUtils]: 9: Hoare triple {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:11,599 INFO L290 TraceCheckUtils]: 10: Hoare triple {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:11,600 INFO L290 TraceCheckUtils]: 11: Hoare triple {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:11,600 INFO L290 TraceCheckUtils]: 12: Hoare triple {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:11,601 INFO L290 TraceCheckUtils]: 13: Hoare triple {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:11,601 INFO L290 TraceCheckUtils]: 14: Hoare triple {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:11,601 INFO L290 TraceCheckUtils]: 15: Hoare triple {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:11,602 INFO L290 TraceCheckUtils]: 16: Hoare triple {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:11,602 INFO L290 TraceCheckUtils]: 17: Hoare triple {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:11,603 INFO L290 TraceCheckUtils]: 18: Hoare triple {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:11,603 INFO L290 TraceCheckUtils]: 19: Hoare triple {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:11,604 INFO L290 TraceCheckUtils]: 20: Hoare triple {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:11,604 INFO L290 TraceCheckUtils]: 21: Hoare triple {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:11,605 INFO L290 TraceCheckUtils]: 22: Hoare triple {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:11,605 INFO L290 TraceCheckUtils]: 23: Hoare triple {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:11,606 INFO L290 TraceCheckUtils]: 24: Hoare triple {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:11,606 INFO L290 TraceCheckUtils]: 25: Hoare triple {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:11,607 INFO L290 TraceCheckUtils]: 26: Hoare triple {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:11,607 INFO L290 TraceCheckUtils]: 27: Hoare triple {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:11,608 INFO L290 TraceCheckUtils]: 28: Hoare triple {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:11,608 INFO L290 TraceCheckUtils]: 29: Hoare triple {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:11,609 INFO L290 TraceCheckUtils]: 30: Hoare triple {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:11,609 INFO L290 TraceCheckUtils]: 31: Hoare triple {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:11,609 INFO L290 TraceCheckUtils]: 32: Hoare triple {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:11,610 INFO L290 TraceCheckUtils]: 33: Hoare triple {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:11,610 INFO L290 TraceCheckUtils]: 34: Hoare triple {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:11,611 INFO L290 TraceCheckUtils]: 35: Hoare triple {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:11,611 INFO L290 TraceCheckUtils]: 36: Hoare triple {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:11,612 INFO L290 TraceCheckUtils]: 37: Hoare triple {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:11,612 INFO L290 TraceCheckUtils]: 38: Hoare triple {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:11,613 INFO L290 TraceCheckUtils]: 39: Hoare triple {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:11,613 INFO L290 TraceCheckUtils]: 40: Hoare triple {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:11,614 INFO L290 TraceCheckUtils]: 41: Hoare triple {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:11,614 INFO L290 TraceCheckUtils]: 42: Hoare triple {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:11,615 INFO L290 TraceCheckUtils]: 43: Hoare triple {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:11,615 INFO L290 TraceCheckUtils]: 44: Hoare triple {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:11,616 INFO L290 TraceCheckUtils]: 45: Hoare triple {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:11,616 INFO L290 TraceCheckUtils]: 46: Hoare triple {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24142#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:11,616 INFO L290 TraceCheckUtils]: 47: Hoare triple {24142#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {23956#false} is VALID [2022-04-28 03:59:11,617 INFO L272 TraceCheckUtils]: 48: Hoare triple {23956#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23956#false} is VALID [2022-04-28 03:59:11,617 INFO L290 TraceCheckUtils]: 49: Hoare triple {23956#false} ~cond := #in~cond; {23956#false} is VALID [2022-04-28 03:59:11,617 INFO L290 TraceCheckUtils]: 50: Hoare triple {23956#false} assume 0 == ~cond; {23956#false} is VALID [2022-04-28 03:59:11,617 INFO L290 TraceCheckUtils]: 51: Hoare triple {23956#false} assume !false; {23956#false} is VALID [2022-04-28 03:59:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:11,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:59:14,047 INFO L290 TraceCheckUtils]: 51: Hoare triple {23956#false} assume !false; {23956#false} is VALID [2022-04-28 03:59:14,048 INFO L290 TraceCheckUtils]: 50: Hoare triple {23956#false} assume 0 == ~cond; {23956#false} is VALID [2022-04-28 03:59:14,048 INFO L290 TraceCheckUtils]: 49: Hoare triple {23956#false} ~cond := #in~cond; {23956#false} is VALID [2022-04-28 03:59:14,048 INFO L272 TraceCheckUtils]: 48: Hoare triple {23956#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23956#false} is VALID [2022-04-28 03:59:14,048 INFO L290 TraceCheckUtils]: 47: Hoare triple {24170#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {23956#false} is VALID [2022-04-28 03:59:14,049 INFO L290 TraceCheckUtils]: 46: Hoare triple {24174#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24170#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,049 INFO L290 TraceCheckUtils]: 45: Hoare triple {24178#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24174#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,050 INFO L290 TraceCheckUtils]: 44: Hoare triple {24182#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24178#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,051 INFO L290 TraceCheckUtils]: 43: Hoare triple {24186#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24182#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,051 INFO L290 TraceCheckUtils]: 42: Hoare triple {24190#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24186#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,057 INFO L290 TraceCheckUtils]: 41: Hoare triple {24194#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24190#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,058 INFO L290 TraceCheckUtils]: 40: Hoare triple {24198#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24194#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,059 INFO L290 TraceCheckUtils]: 39: Hoare triple {24202#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24198#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,060 INFO L290 TraceCheckUtils]: 38: Hoare triple {24206#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24202#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,060 INFO L290 TraceCheckUtils]: 37: Hoare triple {24210#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24206#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,061 INFO L290 TraceCheckUtils]: 36: Hoare triple {24214#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24210#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,062 INFO L290 TraceCheckUtils]: 35: Hoare triple {24218#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24214#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,062 INFO L290 TraceCheckUtils]: 34: Hoare triple {24222#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24218#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,063 INFO L290 TraceCheckUtils]: 33: Hoare triple {24226#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24222#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,063 INFO L290 TraceCheckUtils]: 32: Hoare triple {24230#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24226#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,064 INFO L290 TraceCheckUtils]: 31: Hoare triple {24234#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24230#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,065 INFO L290 TraceCheckUtils]: 30: Hoare triple {24238#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24234#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,065 INFO L290 TraceCheckUtils]: 29: Hoare triple {24242#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24238#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,066 INFO L290 TraceCheckUtils]: 28: Hoare triple {24246#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24242#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,067 INFO L290 TraceCheckUtils]: 27: Hoare triple {24250#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24246#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,067 INFO L290 TraceCheckUtils]: 26: Hoare triple {24254#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24250#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,068 INFO L290 TraceCheckUtils]: 25: Hoare triple {24258#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24254#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,069 INFO L290 TraceCheckUtils]: 24: Hoare triple {24262#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24258#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,069 INFO L290 TraceCheckUtils]: 23: Hoare triple {24266#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24262#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,070 INFO L290 TraceCheckUtils]: 22: Hoare triple {24270#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24266#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,070 INFO L290 TraceCheckUtils]: 21: Hoare triple {24274#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24270#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,071 INFO L290 TraceCheckUtils]: 20: Hoare triple {24278#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24274#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,072 INFO L290 TraceCheckUtils]: 19: Hoare triple {24282#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24278#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,072 INFO L290 TraceCheckUtils]: 18: Hoare triple {24286#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24282#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,073 INFO L290 TraceCheckUtils]: 17: Hoare triple {24290#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24286#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,074 INFO L290 TraceCheckUtils]: 16: Hoare triple {24294#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24290#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,074 INFO L290 TraceCheckUtils]: 15: Hoare triple {24298#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24294#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,075 INFO L290 TraceCheckUtils]: 14: Hoare triple {24302#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24298#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,075 INFO L290 TraceCheckUtils]: 13: Hoare triple {24306#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24302#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,076 INFO L290 TraceCheckUtils]: 12: Hoare triple {24310#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24306#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,077 INFO L290 TraceCheckUtils]: 11: Hoare triple {24314#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24310#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,077 INFO L290 TraceCheckUtils]: 10: Hoare triple {24318#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24314#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,078 INFO L290 TraceCheckUtils]: 9: Hoare triple {24322#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24318#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,079 INFO L290 TraceCheckUtils]: 8: Hoare triple {24326#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24322#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,079 INFO L290 TraceCheckUtils]: 7: Hoare triple {23955#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {24326#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 03:59:14,079 INFO L290 TraceCheckUtils]: 6: Hoare triple {23955#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23955#true} is VALID [2022-04-28 03:59:14,079 INFO L290 TraceCheckUtils]: 5: Hoare triple {23955#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23955#true} is VALID [2022-04-28 03:59:14,079 INFO L272 TraceCheckUtils]: 4: Hoare triple {23955#true} call #t~ret7 := main(); {23955#true} is VALID [2022-04-28 03:59:14,079 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 03:59:14,079 INFO L290 TraceCheckUtils]: 2: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 03:59:14,079 INFO L290 TraceCheckUtils]: 1: Hoare triple {23955#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 03:59:14,080 INFO L272 TraceCheckUtils]: 0: Hoare triple {23955#true} call ULTIMATE.init(); {23955#true} is VALID [2022-04-28 03:59:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:14,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224269307] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:59:14,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:59:14,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42, 42] total 84 [2022-04-28 03:59:14,080 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:59:14,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1269890844] [2022-04-28 03:59:14,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1269890844] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:59:14,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:59:14,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-04-28 03:59:14,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783106066] [2022-04-28 03:59:14,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:59:14,081 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-04-28 03:59:14,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:59:14,081 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:14,110 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:14,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-04-28 03:59:14,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:14,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-04-28 03:59:14,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1845, Invalid=5127, Unknown=0, NotChecked=0, Total=6972 [2022-04-28 03:59:14,111 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:17,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:17,737 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2022-04-28 03:59:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-04-28 03:59:17,737 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-04-28 03:59:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:59:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 85 transitions. [2022-04-28 03:59:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 85 transitions. [2022-04-28 03:59:17,739 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 85 transitions. [2022-04-28 03:59:17,791 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:17,792 INFO L225 Difference]: With dead ends: 117 [2022-04-28 03:59:17,792 INFO L226 Difference]: Without dead ends: 63 [2022-04-28 03:59:17,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3683, Invalid=11569, Unknown=0, NotChecked=0, Total=15252 [2022-04-28 03:59:17,794 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-28 03:59:17,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 153 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-28 03:59:17,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-04-28 03:59:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2022-04-28 03:59:17,859 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:59:17,859 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:17,859 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:17,859 INFO L87 Difference]: Start difference. First operand 63 states. Second operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:17,860 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-04-28 03:59:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-04-28 03:59:17,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:17,860 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:17,860 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 63 states. [2022-04-28 03:59:17,861 INFO L87 Difference]: Start difference. First operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 63 states. [2022-04-28 03:59:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:17,861 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-04-28 03:59:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-04-28 03:59:17,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:17,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:17,861 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:59:17,862 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:59:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2022-04-28 03:59:17,862 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 52 [2022-04-28 03:59:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:59:17,862 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2022-04-28 03:59:17,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:17,863 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 62 states and 66 transitions. [2022-04-28 03:59:17,921 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-04-28 03:59:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-04-28 03:59:17,922 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:59:17,922 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:59:17,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-04-28 03:59:18,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:18,122 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:59:18,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:59:18,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1147368258, now seen corresponding path program 79 times [2022-04-28 03:59:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:18,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [483484853] [2022-04-28 03:59:20,942 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:59:21,102 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:59:21,103 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:59:21,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2026599299, now seen corresponding path program 1 times [2022-04-28 03:59:21,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:21,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688312988] [2022-04-28 03:59:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:21,110 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:59:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:21,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:59:21,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1147368258, now seen corresponding path program 80 times [2022-04-28 03:59:21,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:21,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841931699] [2022-04-28 03:59:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:59:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:22,073 INFO L290 TraceCheckUtils]: 0: Hoare triple {24964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L272 TraceCheckUtils]: 0: Hoare triple {24918#true} call ULTIMATE.init(); {24964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:59:22,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {24964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L272 TraceCheckUtils]: 4: Hoare triple {24918#true} call #t~ret7 := main(); {24918#true} is VALID [2022-04-28 03:59:22,074 INFO L290 TraceCheckUtils]: 5: Hoare triple {24918#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {24918#true} is VALID [2022-04-28 03:59:22,075 INFO L290 TraceCheckUtils]: 6: Hoare triple {24918#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {24918#true} is VALID [2022-04-28 03:59:22,075 INFO L290 TraceCheckUtils]: 7: Hoare triple {24918#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {24923#(= main_~z~0 0)} is VALID [2022-04-28 03:59:22,075 INFO L290 TraceCheckUtils]: 8: Hoare triple {24923#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:22,076 INFO L290 TraceCheckUtils]: 9: Hoare triple {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:22,076 INFO L290 TraceCheckUtils]: 10: Hoare triple {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:22,077 INFO L290 TraceCheckUtils]: 11: Hoare triple {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:22,077 INFO L290 TraceCheckUtils]: 12: Hoare triple {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:22,078 INFO L290 TraceCheckUtils]: 13: Hoare triple {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:22,078 INFO L290 TraceCheckUtils]: 14: Hoare triple {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:22,079 INFO L290 TraceCheckUtils]: 15: Hoare triple {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:22,079 INFO L290 TraceCheckUtils]: 16: Hoare triple {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:22,079 INFO L290 TraceCheckUtils]: 17: Hoare triple {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:22,080 INFO L290 TraceCheckUtils]: 18: Hoare triple {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:22,080 INFO L290 TraceCheckUtils]: 19: Hoare triple {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:22,081 INFO L290 TraceCheckUtils]: 20: Hoare triple {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:22,081 INFO L290 TraceCheckUtils]: 21: Hoare triple {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:22,082 INFO L290 TraceCheckUtils]: 22: Hoare triple {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:22,082 INFO L290 TraceCheckUtils]: 23: Hoare triple {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:22,083 INFO L290 TraceCheckUtils]: 24: Hoare triple {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:22,083 INFO L290 TraceCheckUtils]: 25: Hoare triple {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:22,084 INFO L290 TraceCheckUtils]: 26: Hoare triple {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:22,084 INFO L290 TraceCheckUtils]: 27: Hoare triple {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:22,085 INFO L290 TraceCheckUtils]: 28: Hoare triple {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:22,085 INFO L290 TraceCheckUtils]: 29: Hoare triple {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:22,086 INFO L290 TraceCheckUtils]: 30: Hoare triple {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:22,086 INFO L290 TraceCheckUtils]: 31: Hoare triple {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:22,086 INFO L290 TraceCheckUtils]: 32: Hoare triple {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:22,087 INFO L290 TraceCheckUtils]: 33: Hoare triple {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:22,087 INFO L290 TraceCheckUtils]: 34: Hoare triple {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:22,088 INFO L290 TraceCheckUtils]: 35: Hoare triple {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:22,088 INFO L290 TraceCheckUtils]: 36: Hoare triple {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:22,089 INFO L290 TraceCheckUtils]: 37: Hoare triple {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:22,089 INFO L290 TraceCheckUtils]: 38: Hoare triple {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:22,090 INFO L290 TraceCheckUtils]: 39: Hoare triple {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:22,090 INFO L290 TraceCheckUtils]: 40: Hoare triple {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:22,091 INFO L290 TraceCheckUtils]: 41: Hoare triple {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:22,091 INFO L290 TraceCheckUtils]: 42: Hoare triple {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:22,092 INFO L290 TraceCheckUtils]: 43: Hoare triple {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:22,092 INFO L290 TraceCheckUtils]: 44: Hoare triple {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:22,093 INFO L290 TraceCheckUtils]: 45: Hoare triple {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:22,093 INFO L290 TraceCheckUtils]: 46: Hoare triple {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:22,094 INFO L290 TraceCheckUtils]: 47: Hoare triple {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24963#(and (<= main_~z~0 40) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:59:22,094 INFO L290 TraceCheckUtils]: 48: Hoare triple {24963#(and (<= main_~z~0 40) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {24919#false} is VALID [2022-04-28 03:59:22,094 INFO L272 TraceCheckUtils]: 49: Hoare triple {24919#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {24919#false} is VALID [2022-04-28 03:59:22,094 INFO L290 TraceCheckUtils]: 50: Hoare triple {24919#false} ~cond := #in~cond; {24919#false} is VALID [2022-04-28 03:59:22,094 INFO L290 TraceCheckUtils]: 51: Hoare triple {24919#false} assume 0 == ~cond; {24919#false} is VALID [2022-04-28 03:59:22,094 INFO L290 TraceCheckUtils]: 52: Hoare triple {24919#false} assume !false; {24919#false} is VALID [2022-04-28 03:59:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:22,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:59:22,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841931699] [2022-04-28 03:59:22,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841931699] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:59:22,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600848619] [2022-04-28 03:59:22,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:59:22,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:22,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:59:22,096 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:59:22,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-04-28 03:59:22,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:59:22,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:59:22,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 83 conjunts are in the unsatisfiable core [2022-04-28 03:59:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:22,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:59:22,662 INFO L272 TraceCheckUtils]: 0: Hoare triple {24918#true} call ULTIMATE.init(); {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L290 TraceCheckUtils]: 1: Hoare triple {24918#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L290 TraceCheckUtils]: 2: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L272 TraceCheckUtils]: 4: Hoare triple {24918#true} call #t~ret7 := main(); {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L290 TraceCheckUtils]: 5: Hoare triple {24918#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L290 TraceCheckUtils]: 6: Hoare triple {24918#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {24918#true} is VALID [2022-04-28 03:59:22,663 INFO L290 TraceCheckUtils]: 7: Hoare triple {24918#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {24923#(= main_~z~0 0)} is VALID [2022-04-28 03:59:22,664 INFO L290 TraceCheckUtils]: 8: Hoare triple {24923#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:22,664 INFO L290 TraceCheckUtils]: 9: Hoare triple {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:22,665 INFO L290 TraceCheckUtils]: 10: Hoare triple {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:22,665 INFO L290 TraceCheckUtils]: 11: Hoare triple {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:22,666 INFO L290 TraceCheckUtils]: 12: Hoare triple {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:22,666 INFO L290 TraceCheckUtils]: 13: Hoare triple {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:22,666 INFO L290 TraceCheckUtils]: 14: Hoare triple {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:22,667 INFO L290 TraceCheckUtils]: 15: Hoare triple {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:22,667 INFO L290 TraceCheckUtils]: 16: Hoare triple {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:22,668 INFO L290 TraceCheckUtils]: 17: Hoare triple {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:22,668 INFO L290 TraceCheckUtils]: 18: Hoare triple {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:22,669 INFO L290 TraceCheckUtils]: 19: Hoare triple {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:22,669 INFO L290 TraceCheckUtils]: 20: Hoare triple {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:22,670 INFO L290 TraceCheckUtils]: 21: Hoare triple {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:22,670 INFO L290 TraceCheckUtils]: 22: Hoare triple {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:22,671 INFO L290 TraceCheckUtils]: 23: Hoare triple {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:22,671 INFO L290 TraceCheckUtils]: 24: Hoare triple {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:22,672 INFO L290 TraceCheckUtils]: 25: Hoare triple {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:22,672 INFO L290 TraceCheckUtils]: 26: Hoare triple {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:22,672 INFO L290 TraceCheckUtils]: 27: Hoare triple {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:22,673 INFO L290 TraceCheckUtils]: 28: Hoare triple {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:22,673 INFO L290 TraceCheckUtils]: 29: Hoare triple {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:22,674 INFO L290 TraceCheckUtils]: 30: Hoare triple {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:22,674 INFO L290 TraceCheckUtils]: 31: Hoare triple {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:22,675 INFO L290 TraceCheckUtils]: 32: Hoare triple {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:22,675 INFO L290 TraceCheckUtils]: 33: Hoare triple {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:22,676 INFO L290 TraceCheckUtils]: 34: Hoare triple {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:22,676 INFO L290 TraceCheckUtils]: 35: Hoare triple {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:22,677 INFO L290 TraceCheckUtils]: 36: Hoare triple {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:22,677 INFO L290 TraceCheckUtils]: 37: Hoare triple {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:22,678 INFO L290 TraceCheckUtils]: 38: Hoare triple {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:22,678 INFO L290 TraceCheckUtils]: 39: Hoare triple {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:22,679 INFO L290 TraceCheckUtils]: 40: Hoare triple {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:22,679 INFO L290 TraceCheckUtils]: 41: Hoare triple {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:22,680 INFO L290 TraceCheckUtils]: 42: Hoare triple {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:22,680 INFO L290 TraceCheckUtils]: 43: Hoare triple {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:22,681 INFO L290 TraceCheckUtils]: 44: Hoare triple {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:22,682 INFO L290 TraceCheckUtils]: 45: Hoare triple {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:22,682 INFO L290 TraceCheckUtils]: 46: Hoare triple {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:22,683 INFO L290 TraceCheckUtils]: 47: Hoare triple {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25109#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:22,683 INFO L290 TraceCheckUtils]: 48: Hoare triple {25109#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {24919#false} is VALID [2022-04-28 03:59:22,683 INFO L272 TraceCheckUtils]: 49: Hoare triple {24919#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {24919#false} is VALID [2022-04-28 03:59:22,683 INFO L290 TraceCheckUtils]: 50: Hoare triple {24919#false} ~cond := #in~cond; {24919#false} is VALID [2022-04-28 03:59:22,683 INFO L290 TraceCheckUtils]: 51: Hoare triple {24919#false} assume 0 == ~cond; {24919#false} is VALID [2022-04-28 03:59:22,683 INFO L290 TraceCheckUtils]: 52: Hoare triple {24919#false} assume !false; {24919#false} is VALID [2022-04-28 03:59:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:22,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:59:25,207 INFO L290 TraceCheckUtils]: 52: Hoare triple {24919#false} assume !false; {24919#false} is VALID [2022-04-28 03:59:25,208 INFO L290 TraceCheckUtils]: 51: Hoare triple {24919#false} assume 0 == ~cond; {24919#false} is VALID [2022-04-28 03:59:25,208 INFO L290 TraceCheckUtils]: 50: Hoare triple {24919#false} ~cond := #in~cond; {24919#false} is VALID [2022-04-28 03:59:25,208 INFO L272 TraceCheckUtils]: 49: Hoare triple {24919#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {24919#false} is VALID [2022-04-28 03:59:25,208 INFO L290 TraceCheckUtils]: 48: Hoare triple {25137#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {24919#false} is VALID [2022-04-28 03:59:25,209 INFO L290 TraceCheckUtils]: 47: Hoare triple {25141#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25137#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,209 INFO L290 TraceCheckUtils]: 46: Hoare triple {25145#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25141#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,210 INFO L290 TraceCheckUtils]: 45: Hoare triple {25149#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25145#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,211 INFO L290 TraceCheckUtils]: 44: Hoare triple {25153#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25149#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,211 INFO L290 TraceCheckUtils]: 43: Hoare triple {25157#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25153#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,212 INFO L290 TraceCheckUtils]: 42: Hoare triple {25161#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25157#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,212 INFO L290 TraceCheckUtils]: 41: Hoare triple {25165#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25161#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,213 INFO L290 TraceCheckUtils]: 40: Hoare triple {25169#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25165#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,214 INFO L290 TraceCheckUtils]: 39: Hoare triple {25173#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25169#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,215 INFO L290 TraceCheckUtils]: 38: Hoare triple {25177#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25173#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,216 INFO L290 TraceCheckUtils]: 37: Hoare triple {25181#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25177#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,217 INFO L290 TraceCheckUtils]: 36: Hoare triple {25185#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25181#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,217 INFO L290 TraceCheckUtils]: 35: Hoare triple {25189#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25185#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,218 INFO L290 TraceCheckUtils]: 34: Hoare triple {25193#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25189#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,218 INFO L290 TraceCheckUtils]: 33: Hoare triple {25197#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25193#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,219 INFO L290 TraceCheckUtils]: 32: Hoare triple {25201#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25197#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,220 INFO L290 TraceCheckUtils]: 31: Hoare triple {25205#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25201#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,220 INFO L290 TraceCheckUtils]: 30: Hoare triple {25209#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25205#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,221 INFO L290 TraceCheckUtils]: 29: Hoare triple {25213#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25209#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,221 INFO L290 TraceCheckUtils]: 28: Hoare triple {25217#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25213#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,222 INFO L290 TraceCheckUtils]: 27: Hoare triple {25221#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25217#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,223 INFO L290 TraceCheckUtils]: 26: Hoare triple {25225#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25221#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,223 INFO L290 TraceCheckUtils]: 25: Hoare triple {25229#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25225#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,224 INFO L290 TraceCheckUtils]: 24: Hoare triple {25233#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25229#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,224 INFO L290 TraceCheckUtils]: 23: Hoare triple {25237#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25233#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,225 INFO L290 TraceCheckUtils]: 22: Hoare triple {25241#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25237#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,225 INFO L290 TraceCheckUtils]: 21: Hoare triple {25245#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25241#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,226 INFO L290 TraceCheckUtils]: 20: Hoare triple {25249#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25245#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,227 INFO L290 TraceCheckUtils]: 19: Hoare triple {25253#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25249#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,227 INFO L290 TraceCheckUtils]: 18: Hoare triple {25257#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25253#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,228 INFO L290 TraceCheckUtils]: 17: Hoare triple {25261#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25257#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,229 INFO L290 TraceCheckUtils]: 16: Hoare triple {25265#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25261#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,229 INFO L290 TraceCheckUtils]: 15: Hoare triple {25269#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25265#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,230 INFO L290 TraceCheckUtils]: 14: Hoare triple {25273#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25269#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,230 INFO L290 TraceCheckUtils]: 13: Hoare triple {25277#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25273#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,231 INFO L290 TraceCheckUtils]: 12: Hoare triple {25281#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25277#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,232 INFO L290 TraceCheckUtils]: 11: Hoare triple {25285#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25281#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,232 INFO L290 TraceCheckUtils]: 10: Hoare triple {25289#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25285#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,233 INFO L290 TraceCheckUtils]: 9: Hoare triple {25293#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25289#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,233 INFO L290 TraceCheckUtils]: 8: Hoare triple {25297#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25293#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,234 INFO L290 TraceCheckUtils]: 7: Hoare triple {24918#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {25297#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:25,234 INFO L290 TraceCheckUtils]: 6: Hoare triple {24918#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L290 TraceCheckUtils]: 5: Hoare triple {24918#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L272 TraceCheckUtils]: 4: Hoare triple {24918#true} call #t~ret7 := main(); {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L290 TraceCheckUtils]: 2: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L290 TraceCheckUtils]: 1: Hoare triple {24918#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L272 TraceCheckUtils]: 0: Hoare triple {24918#true} call ULTIMATE.init(); {24918#true} is VALID [2022-04-28 03:59:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:25,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600848619] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:59:25,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:59:25,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 86 [2022-04-28 03:59:25,235 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:59:25,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [483484853] [2022-04-28 03:59:25,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [483484853] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:59:25,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:59:25,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-04-28 03:59:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206755481] [2022-04-28 03:59:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:59:25,236 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-04-28 03:59:25,236 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:59:25,236 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:25,263 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:25,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-04-28 03:59:25,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:25,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-04-28 03:59:25,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1932, Invalid=5378, Unknown=0, NotChecked=0, Total=7310 [2022-04-28 03:59:25,264 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:28,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:28,586 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2022-04-28 03:59:28,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-04-28 03:59:28,586 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-04-28 03:59:28,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:59:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 86 transitions. [2022-04-28 03:59:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 86 transitions. [2022-04-28 03:59:28,588 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 44 states and 86 transitions. [2022-04-28 03:59:28,645 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:28,646 INFO L225 Difference]: With dead ends: 119 [2022-04-28 03:59:28,646 INFO L226 Difference]: Without dead ends: 64 [2022-04-28 03:59:28,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3857, Invalid=12145, Unknown=0, NotChecked=0, Total=16002 [2022-04-28 03:59:28,648 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-28 03:59:28,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 53 Invalid, 1901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-28 03:59:28,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-28 03:59:28,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-28 03:59:28,703 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:59:28,704 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:28,704 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:28,704 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:28,704 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-04-28 03:59:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-28 03:59:28,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:28,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:28,705 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 64 states. [2022-04-28 03:59:28,705 INFO L87 Difference]: Start difference. First operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 64 states. [2022-04-28 03:59:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:28,705 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-04-28 03:59:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-28 03:59:28,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:28,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:28,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:59:28,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:59:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-04-28 03:59:28,707 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 53 [2022-04-28 03:59:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:59:28,707 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-04-28 03:59:28,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:28,707 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 67 transitions. [2022-04-28 03:59:28,764 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-04-28 03:59:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-28 03:59:28,764 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:59:28,764 INFO L195 NwaCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:59:28,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-04-28 03:59:28,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83 [2022-04-28 03:59:28,965 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:59:28,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:59:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1234980194, now seen corresponding path program 81 times [2022-04-28 03:59:28,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:28,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1850516920] [2022-04-28 03:59:31,781 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:59:31,782 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:59:31,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2085704643, now seen corresponding path program 1 times [2022-04-28 03:59:31,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:31,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009485858] [2022-04-28 03:59:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:31,789 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:59:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:31,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:59:31,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1234980194, now seen corresponding path program 82 times [2022-04-28 03:59:31,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:31,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574076901] [2022-04-28 03:59:31,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:59:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:32,702 INFO L290 TraceCheckUtils]: 0: Hoare triple {25946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 03:59:32,702 INFO L290 TraceCheckUtils]: 1: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 03:59:32,702 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L272 TraceCheckUtils]: 0: Hoare triple {25899#true} call ULTIMATE.init(); {25946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:59:32,703 INFO L290 TraceCheckUtils]: 1: Hoare triple {25946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L290 TraceCheckUtils]: 2: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L272 TraceCheckUtils]: 4: Hoare triple {25899#true} call #t~ret7 := main(); {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L290 TraceCheckUtils]: 5: Hoare triple {25899#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L290 TraceCheckUtils]: 6: Hoare triple {25899#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {25899#true} is VALID [2022-04-28 03:59:32,703 INFO L290 TraceCheckUtils]: 7: Hoare triple {25899#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {25904#(= main_~z~0 0)} is VALID [2022-04-28 03:59:32,704 INFO L290 TraceCheckUtils]: 8: Hoare triple {25904#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:32,704 INFO L290 TraceCheckUtils]: 9: Hoare triple {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:32,705 INFO L290 TraceCheckUtils]: 10: Hoare triple {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:32,705 INFO L290 TraceCheckUtils]: 11: Hoare triple {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:32,706 INFO L290 TraceCheckUtils]: 12: Hoare triple {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:32,706 INFO L290 TraceCheckUtils]: 13: Hoare triple {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:32,707 INFO L290 TraceCheckUtils]: 14: Hoare triple {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:32,707 INFO L290 TraceCheckUtils]: 15: Hoare triple {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:32,708 INFO L290 TraceCheckUtils]: 16: Hoare triple {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:32,708 INFO L290 TraceCheckUtils]: 17: Hoare triple {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:32,709 INFO L290 TraceCheckUtils]: 18: Hoare triple {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:32,709 INFO L290 TraceCheckUtils]: 19: Hoare triple {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:32,710 INFO L290 TraceCheckUtils]: 20: Hoare triple {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:32,710 INFO L290 TraceCheckUtils]: 21: Hoare triple {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:32,710 INFO L290 TraceCheckUtils]: 22: Hoare triple {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:32,711 INFO L290 TraceCheckUtils]: 23: Hoare triple {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:32,711 INFO L290 TraceCheckUtils]: 24: Hoare triple {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:32,712 INFO L290 TraceCheckUtils]: 25: Hoare triple {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:32,712 INFO L290 TraceCheckUtils]: 26: Hoare triple {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:32,713 INFO L290 TraceCheckUtils]: 27: Hoare triple {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:32,713 INFO L290 TraceCheckUtils]: 28: Hoare triple {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:32,714 INFO L290 TraceCheckUtils]: 29: Hoare triple {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:32,714 INFO L290 TraceCheckUtils]: 30: Hoare triple {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:32,715 INFO L290 TraceCheckUtils]: 31: Hoare triple {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:32,715 INFO L290 TraceCheckUtils]: 32: Hoare triple {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:32,716 INFO L290 TraceCheckUtils]: 33: Hoare triple {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:32,716 INFO L290 TraceCheckUtils]: 34: Hoare triple {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:32,717 INFO L290 TraceCheckUtils]: 35: Hoare triple {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:32,717 INFO L290 TraceCheckUtils]: 36: Hoare triple {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:32,717 INFO L290 TraceCheckUtils]: 37: Hoare triple {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:32,718 INFO L290 TraceCheckUtils]: 38: Hoare triple {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:32,718 INFO L290 TraceCheckUtils]: 39: Hoare triple {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:32,719 INFO L290 TraceCheckUtils]: 40: Hoare triple {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:32,719 INFO L290 TraceCheckUtils]: 41: Hoare triple {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:32,720 INFO L290 TraceCheckUtils]: 42: Hoare triple {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:32,720 INFO L290 TraceCheckUtils]: 43: Hoare triple {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:32,721 INFO L290 TraceCheckUtils]: 44: Hoare triple {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:32,721 INFO L290 TraceCheckUtils]: 45: Hoare triple {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:32,722 INFO L290 TraceCheckUtils]: 46: Hoare triple {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:32,722 INFO L290 TraceCheckUtils]: 47: Hoare triple {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:32,723 INFO L290 TraceCheckUtils]: 48: Hoare triple {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25945#(and (<= main_~z~0 41) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:59:32,723 INFO L290 TraceCheckUtils]: 49: Hoare triple {25945#(and (<= main_~z~0 41) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {25900#false} is VALID [2022-04-28 03:59:32,723 INFO L272 TraceCheckUtils]: 50: Hoare triple {25900#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {25900#false} is VALID [2022-04-28 03:59:32,723 INFO L290 TraceCheckUtils]: 51: Hoare triple {25900#false} ~cond := #in~cond; {25900#false} is VALID [2022-04-28 03:59:32,723 INFO L290 TraceCheckUtils]: 52: Hoare triple {25900#false} assume 0 == ~cond; {25900#false} is VALID [2022-04-28 03:59:32,723 INFO L290 TraceCheckUtils]: 53: Hoare triple {25900#false} assume !false; {25900#false} is VALID [2022-04-28 03:59:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:32,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:59:32,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574076901] [2022-04-28 03:59:32,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574076901] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:59:32,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507447559] [2022-04-28 03:59:32,724 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 03:59:32,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:32,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:59:32,725 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:59:32,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-04-28 03:59:32,838 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 03:59:32,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:59:32,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 85 conjunts are in the unsatisfiable core [2022-04-28 03:59:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:32,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:59:33,324 INFO L272 TraceCheckUtils]: 0: Hoare triple {25899#true} call ULTIMATE.init(); {25899#true} is VALID [2022-04-28 03:59:33,324 INFO L290 TraceCheckUtils]: 1: Hoare triple {25899#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 03:59:33,324 INFO L290 TraceCheckUtils]: 2: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 03:59:33,324 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 03:59:33,324 INFO L272 TraceCheckUtils]: 4: Hoare triple {25899#true} call #t~ret7 := main(); {25899#true} is VALID [2022-04-28 03:59:33,325 INFO L290 TraceCheckUtils]: 5: Hoare triple {25899#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {25899#true} is VALID [2022-04-28 03:59:33,325 INFO L290 TraceCheckUtils]: 6: Hoare triple {25899#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {25899#true} is VALID [2022-04-28 03:59:33,325 INFO L290 TraceCheckUtils]: 7: Hoare triple {25899#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {25904#(= main_~z~0 0)} is VALID [2022-04-28 03:59:33,325 INFO L290 TraceCheckUtils]: 8: Hoare triple {25904#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:33,326 INFO L290 TraceCheckUtils]: 9: Hoare triple {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:33,326 INFO L290 TraceCheckUtils]: 10: Hoare triple {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:33,327 INFO L290 TraceCheckUtils]: 11: Hoare triple {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:33,327 INFO L290 TraceCheckUtils]: 12: Hoare triple {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:33,328 INFO L290 TraceCheckUtils]: 13: Hoare triple {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:33,328 INFO L290 TraceCheckUtils]: 14: Hoare triple {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:33,329 INFO L290 TraceCheckUtils]: 15: Hoare triple {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:33,329 INFO L290 TraceCheckUtils]: 16: Hoare triple {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:33,330 INFO L290 TraceCheckUtils]: 17: Hoare triple {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:33,330 INFO L290 TraceCheckUtils]: 18: Hoare triple {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:33,330 INFO L290 TraceCheckUtils]: 19: Hoare triple {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:33,331 INFO L290 TraceCheckUtils]: 20: Hoare triple {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:33,331 INFO L290 TraceCheckUtils]: 21: Hoare triple {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:33,332 INFO L290 TraceCheckUtils]: 22: Hoare triple {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:33,332 INFO L290 TraceCheckUtils]: 23: Hoare triple {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:33,333 INFO L290 TraceCheckUtils]: 24: Hoare triple {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:33,333 INFO L290 TraceCheckUtils]: 25: Hoare triple {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:33,334 INFO L290 TraceCheckUtils]: 26: Hoare triple {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:33,334 INFO L290 TraceCheckUtils]: 27: Hoare triple {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:33,335 INFO L290 TraceCheckUtils]: 28: Hoare triple {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:33,335 INFO L290 TraceCheckUtils]: 29: Hoare triple {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:33,336 INFO L290 TraceCheckUtils]: 30: Hoare triple {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:33,336 INFO L290 TraceCheckUtils]: 31: Hoare triple {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:33,337 INFO L290 TraceCheckUtils]: 32: Hoare triple {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:33,337 INFO L290 TraceCheckUtils]: 33: Hoare triple {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:33,338 INFO L290 TraceCheckUtils]: 34: Hoare triple {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:33,338 INFO L290 TraceCheckUtils]: 35: Hoare triple {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:33,338 INFO L290 TraceCheckUtils]: 36: Hoare triple {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:33,339 INFO L290 TraceCheckUtils]: 37: Hoare triple {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:33,339 INFO L290 TraceCheckUtils]: 38: Hoare triple {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:33,340 INFO L290 TraceCheckUtils]: 39: Hoare triple {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:33,340 INFO L290 TraceCheckUtils]: 40: Hoare triple {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:33,341 INFO L290 TraceCheckUtils]: 41: Hoare triple {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:33,341 INFO L290 TraceCheckUtils]: 42: Hoare triple {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:33,342 INFO L290 TraceCheckUtils]: 43: Hoare triple {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:33,342 INFO L290 TraceCheckUtils]: 44: Hoare triple {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:33,343 INFO L290 TraceCheckUtils]: 45: Hoare triple {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:33,343 INFO L290 TraceCheckUtils]: 46: Hoare triple {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:33,344 INFO L290 TraceCheckUtils]: 47: Hoare triple {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:33,344 INFO L290 TraceCheckUtils]: 48: Hoare triple {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26094#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 03:59:33,345 INFO L290 TraceCheckUtils]: 49: Hoare triple {26094#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {25900#false} is VALID [2022-04-28 03:59:33,345 INFO L272 TraceCheckUtils]: 50: Hoare triple {25900#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {25900#false} is VALID [2022-04-28 03:59:33,345 INFO L290 TraceCheckUtils]: 51: Hoare triple {25900#false} ~cond := #in~cond; {25900#false} is VALID [2022-04-28 03:59:33,345 INFO L290 TraceCheckUtils]: 52: Hoare triple {25900#false} assume 0 == ~cond; {25900#false} is VALID [2022-04-28 03:59:33,345 INFO L290 TraceCheckUtils]: 53: Hoare triple {25900#false} assume !false; {25900#false} is VALID [2022-04-28 03:59:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:33,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:59:35,979 INFO L290 TraceCheckUtils]: 53: Hoare triple {25900#false} assume !false; {25900#false} is VALID [2022-04-28 03:59:35,980 INFO L290 TraceCheckUtils]: 52: Hoare triple {25900#false} assume 0 == ~cond; {25900#false} is VALID [2022-04-28 03:59:35,980 INFO L290 TraceCheckUtils]: 51: Hoare triple {25900#false} ~cond := #in~cond; {25900#false} is VALID [2022-04-28 03:59:35,980 INFO L272 TraceCheckUtils]: 50: Hoare triple {25900#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {25900#false} is VALID [2022-04-28 03:59:35,980 INFO L290 TraceCheckUtils]: 49: Hoare triple {26122#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {25900#false} is VALID [2022-04-28 03:59:35,981 INFO L290 TraceCheckUtils]: 48: Hoare triple {26126#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26122#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,981 INFO L290 TraceCheckUtils]: 47: Hoare triple {26130#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26126#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,983 INFO L290 TraceCheckUtils]: 46: Hoare triple {26134#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26130#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,984 INFO L290 TraceCheckUtils]: 45: Hoare triple {26138#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26134#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,984 INFO L290 TraceCheckUtils]: 44: Hoare triple {26142#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26138#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,985 INFO L290 TraceCheckUtils]: 43: Hoare triple {26146#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26142#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,985 INFO L290 TraceCheckUtils]: 42: Hoare triple {26150#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26146#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,986 INFO L290 TraceCheckUtils]: 41: Hoare triple {26154#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26150#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,987 INFO L290 TraceCheckUtils]: 40: Hoare triple {26158#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26154#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,987 INFO L290 TraceCheckUtils]: 39: Hoare triple {26162#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26158#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,988 INFO L290 TraceCheckUtils]: 38: Hoare triple {26166#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26162#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,988 INFO L290 TraceCheckUtils]: 37: Hoare triple {26170#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26166#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,989 INFO L290 TraceCheckUtils]: 36: Hoare triple {26174#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26170#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,990 INFO L290 TraceCheckUtils]: 35: Hoare triple {26178#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26174#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,990 INFO L290 TraceCheckUtils]: 34: Hoare triple {26182#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26178#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,991 INFO L290 TraceCheckUtils]: 33: Hoare triple {26186#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26182#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,991 INFO L290 TraceCheckUtils]: 32: Hoare triple {26190#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26186#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,992 INFO L290 TraceCheckUtils]: 31: Hoare triple {26194#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26190#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,993 INFO L290 TraceCheckUtils]: 30: Hoare triple {26198#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26194#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,993 INFO L290 TraceCheckUtils]: 29: Hoare triple {26202#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26198#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,994 INFO L290 TraceCheckUtils]: 28: Hoare triple {26206#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26202#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,994 INFO L290 TraceCheckUtils]: 27: Hoare triple {26210#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26206#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,995 INFO L290 TraceCheckUtils]: 26: Hoare triple {26214#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26210#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,996 INFO L290 TraceCheckUtils]: 25: Hoare triple {26218#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26214#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,996 INFO L290 TraceCheckUtils]: 24: Hoare triple {26222#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26218#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,997 INFO L290 TraceCheckUtils]: 23: Hoare triple {26226#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26222#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,997 INFO L290 TraceCheckUtils]: 22: Hoare triple {26230#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26226#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,998 INFO L290 TraceCheckUtils]: 21: Hoare triple {26234#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26230#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,999 INFO L290 TraceCheckUtils]: 20: Hoare triple {26238#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26234#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:59:35,999 INFO L290 TraceCheckUtils]: 19: Hoare triple {26242#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26238#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,000 INFO L290 TraceCheckUtils]: 18: Hoare triple {26246#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26242#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,005 INFO L290 TraceCheckUtils]: 17: Hoare triple {26250#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26246#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,005 INFO L290 TraceCheckUtils]: 16: Hoare triple {26254#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26250#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,006 INFO L290 TraceCheckUtils]: 15: Hoare triple {26258#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26254#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,007 INFO L290 TraceCheckUtils]: 14: Hoare triple {26262#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26258#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,007 INFO L290 TraceCheckUtils]: 13: Hoare triple {26266#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26262#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,008 INFO L290 TraceCheckUtils]: 12: Hoare triple {26270#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26266#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,008 INFO L290 TraceCheckUtils]: 11: Hoare triple {26274#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26270#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,009 INFO L290 TraceCheckUtils]: 10: Hoare triple {26278#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26274#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,010 INFO L290 TraceCheckUtils]: 9: Hoare triple {26282#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26278#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,010 INFO L290 TraceCheckUtils]: 8: Hoare triple {26286#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26282#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,010 INFO L290 TraceCheckUtils]: 7: Hoare triple {25899#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {26286#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:36,011 INFO L290 TraceCheckUtils]: 6: Hoare triple {25899#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {25899#true} is VALID [2022-04-28 03:59:36,011 INFO L290 TraceCheckUtils]: 5: Hoare triple {25899#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {25899#true} is VALID [2022-04-28 03:59:36,011 INFO L272 TraceCheckUtils]: 4: Hoare triple {25899#true} call #t~ret7 := main(); {25899#true} is VALID [2022-04-28 03:59:36,011 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 03:59:36,015 INFO L290 TraceCheckUtils]: 2: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 03:59:36,015 INFO L290 TraceCheckUtils]: 1: Hoare triple {25899#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 03:59:36,015 INFO L272 TraceCheckUtils]: 0: Hoare triple {25899#true} call ULTIMATE.init(); {25899#true} is VALID [2022-04-28 03:59:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:36,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507447559] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:59:36,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:59:36,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 44] total 88 [2022-04-28 03:59:36,016 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:59:36,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1850516920] [2022-04-28 03:59:36,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1850516920] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:59:36,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:59:36,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-04-28 03:59:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334569046] [2022-04-28 03:59:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:59:36,016 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2022-04-28 03:59:36,017 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:59:36,017 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:36,044 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:36,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-04-28 03:59:36,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:36,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-04-28 03:59:36,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2021, Invalid=5635, Unknown=0, NotChecked=0, Total=7656 [2022-04-28 03:59:36,045 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:39,763 INFO L93 Difference]: Finished difference Result 121 states and 130 transitions. [2022-04-28 03:59:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-04-28 03:59:39,763 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2022-04-28 03:59:39,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:59:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 87 transitions. [2022-04-28 03:59:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 87 transitions. [2022-04-28 03:59:39,765 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 45 states and 87 transitions. [2022-04-28 03:59:39,824 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:39,825 INFO L225 Difference]: With dead ends: 121 [2022-04-28 03:59:39,825 INFO L226 Difference]: Without dead ends: 65 [2022-04-28 03:59:39,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=4035, Invalid=12735, Unknown=0, NotChecked=0, Total=16770 [2022-04-28 03:59:39,826 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-28 03:59:39,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-28 03:59:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-04-28 03:59:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2022-04-28 03:59:39,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:59:39,878 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:39,878 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:39,878 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:39,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:39,879 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-04-28 03:59:39,879 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-04-28 03:59:39,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:39,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:39,879 INFO L74 IsIncluded]: Start isIncluded. First operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 65 states. [2022-04-28 03:59:39,880 INFO L87 Difference]: Start difference. First operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 65 states. [2022-04-28 03:59:39,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:39,880 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-04-28 03:59:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-04-28 03:59:39,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:39,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:39,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:59:39,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:59:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-04-28 03:59:39,881 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 54 [2022-04-28 03:59:39,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:59:39,881 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-04-28 03:59:39,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:39,882 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 64 states and 68 transitions. [2022-04-28 03:59:39,949 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-28 03:59:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-28 03:59:39,950 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:59:39,950 INFO L195 NwaCegarLoop]: trace histogram [42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:59:39,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2022-04-28 03:59:40,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:40,151 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:59:40,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:59:40,151 INFO L85 PathProgramCache]: Analyzing trace with hash -344017086, now seen corresponding path program 83 times [2022-04-28 03:59:40,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:40,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [191496701] [2022-04-28 03:59:40,978 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:59:40,979 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:59:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2144809987, now seen corresponding path program 1 times [2022-04-28 03:59:40,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:40,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008878326] [2022-04-28 03:59:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:40,987 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:59:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:40,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:59:40,990 INFO L85 PathProgramCache]: Analyzing trace with hash -344017086, now seen corresponding path program 84 times [2022-04-28 03:59:40,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:40,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730538310] [2022-04-28 03:59:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:40,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:59:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:41,977 INFO L290 TraceCheckUtils]: 0: Hoare triple {26946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 03:59:41,977 INFO L290 TraceCheckUtils]: 1: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 03:59:41,977 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 03:59:41,977 INFO L272 TraceCheckUtils]: 0: Hoare triple {26898#true} call ULTIMATE.init(); {26946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:59:41,977 INFO L290 TraceCheckUtils]: 1: Hoare triple {26946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 03:59:41,977 INFO L290 TraceCheckUtils]: 2: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 03:59:41,977 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 03:59:41,977 INFO L272 TraceCheckUtils]: 4: Hoare triple {26898#true} call #t~ret7 := main(); {26898#true} is VALID [2022-04-28 03:59:41,978 INFO L290 TraceCheckUtils]: 5: Hoare triple {26898#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {26898#true} is VALID [2022-04-28 03:59:41,978 INFO L290 TraceCheckUtils]: 6: Hoare triple {26898#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {26898#true} is VALID [2022-04-28 03:59:41,978 INFO L290 TraceCheckUtils]: 7: Hoare triple {26898#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {26903#(= main_~z~0 0)} is VALID [2022-04-28 03:59:41,978 INFO L290 TraceCheckUtils]: 8: Hoare triple {26903#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:41,979 INFO L290 TraceCheckUtils]: 9: Hoare triple {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:41,979 INFO L290 TraceCheckUtils]: 10: Hoare triple {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:41,980 INFO L290 TraceCheckUtils]: 11: Hoare triple {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:41,980 INFO L290 TraceCheckUtils]: 12: Hoare triple {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:41,981 INFO L290 TraceCheckUtils]: 13: Hoare triple {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:41,981 INFO L290 TraceCheckUtils]: 14: Hoare triple {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:41,982 INFO L290 TraceCheckUtils]: 15: Hoare triple {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:41,982 INFO L290 TraceCheckUtils]: 16: Hoare triple {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:41,983 INFO L290 TraceCheckUtils]: 17: Hoare triple {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:41,983 INFO L290 TraceCheckUtils]: 18: Hoare triple {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:41,984 INFO L290 TraceCheckUtils]: 19: Hoare triple {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:41,984 INFO L290 TraceCheckUtils]: 20: Hoare triple {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:41,984 INFO L290 TraceCheckUtils]: 21: Hoare triple {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:41,985 INFO L290 TraceCheckUtils]: 22: Hoare triple {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:41,985 INFO L290 TraceCheckUtils]: 23: Hoare triple {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:41,986 INFO L290 TraceCheckUtils]: 24: Hoare triple {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:41,986 INFO L290 TraceCheckUtils]: 25: Hoare triple {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:41,987 INFO L290 TraceCheckUtils]: 26: Hoare triple {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:41,987 INFO L290 TraceCheckUtils]: 27: Hoare triple {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:41,988 INFO L290 TraceCheckUtils]: 28: Hoare triple {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:41,988 INFO L290 TraceCheckUtils]: 29: Hoare triple {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:41,989 INFO L290 TraceCheckUtils]: 30: Hoare triple {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:41,989 INFO L290 TraceCheckUtils]: 31: Hoare triple {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:41,990 INFO L290 TraceCheckUtils]: 32: Hoare triple {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:41,990 INFO L290 TraceCheckUtils]: 33: Hoare triple {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:41,990 INFO L290 TraceCheckUtils]: 34: Hoare triple {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:41,991 INFO L290 TraceCheckUtils]: 35: Hoare triple {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:41,991 INFO L290 TraceCheckUtils]: 36: Hoare triple {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:41,992 INFO L290 TraceCheckUtils]: 37: Hoare triple {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:41,992 INFO L290 TraceCheckUtils]: 38: Hoare triple {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:41,993 INFO L290 TraceCheckUtils]: 39: Hoare triple {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:41,993 INFO L290 TraceCheckUtils]: 40: Hoare triple {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:41,994 INFO L290 TraceCheckUtils]: 41: Hoare triple {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:41,994 INFO L290 TraceCheckUtils]: 42: Hoare triple {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:41,995 INFO L290 TraceCheckUtils]: 43: Hoare triple {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:41,995 INFO L290 TraceCheckUtils]: 44: Hoare triple {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:41,996 INFO L290 TraceCheckUtils]: 45: Hoare triple {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:41,996 INFO L290 TraceCheckUtils]: 46: Hoare triple {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:41,997 INFO L290 TraceCheckUtils]: 47: Hoare triple {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:41,997 INFO L290 TraceCheckUtils]: 48: Hoare triple {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 03:59:41,998 INFO L290 TraceCheckUtils]: 49: Hoare triple {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26945#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 42))} is VALID [2022-04-28 03:59:41,998 INFO L290 TraceCheckUtils]: 50: Hoare triple {26945#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 42))} assume !(~z~0 % 4294967296 < 268435455); {26899#false} is VALID [2022-04-28 03:59:41,998 INFO L272 TraceCheckUtils]: 51: Hoare triple {26899#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {26899#false} is VALID [2022-04-28 03:59:41,998 INFO L290 TraceCheckUtils]: 52: Hoare triple {26899#false} ~cond := #in~cond; {26899#false} is VALID [2022-04-28 03:59:41,998 INFO L290 TraceCheckUtils]: 53: Hoare triple {26899#false} assume 0 == ~cond; {26899#false} is VALID [2022-04-28 03:59:41,998 INFO L290 TraceCheckUtils]: 54: Hoare triple {26899#false} assume !false; {26899#false} is VALID [2022-04-28 03:59:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:41,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:59:41,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730538310] [2022-04-28 03:59:41,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730538310] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:59:41,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655461230] [2022-04-28 03:59:41,999 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 03:59:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:59:42,000 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:59:42,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-04-28 03:59:46,399 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2022-04-28 03:59:46,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:59:46,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 87 conjunts are in the unsatisfiable core [2022-04-28 03:59:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:59:46,895 INFO L272 TraceCheckUtils]: 0: Hoare triple {26898#true} call ULTIMATE.init(); {26898#true} is VALID [2022-04-28 03:59:46,895 INFO L290 TraceCheckUtils]: 1: Hoare triple {26898#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 03:59:46,895 INFO L290 TraceCheckUtils]: 2: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 03:59:46,895 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 03:59:46,895 INFO L272 TraceCheckUtils]: 4: Hoare triple {26898#true} call #t~ret7 := main(); {26898#true} is VALID [2022-04-28 03:59:46,895 INFO L290 TraceCheckUtils]: 5: Hoare triple {26898#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {26898#true} is VALID [2022-04-28 03:59:46,895 INFO L290 TraceCheckUtils]: 6: Hoare triple {26898#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {26898#true} is VALID [2022-04-28 03:59:46,896 INFO L290 TraceCheckUtils]: 7: Hoare triple {26898#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {26903#(= main_~z~0 0)} is VALID [2022-04-28 03:59:46,896 INFO L290 TraceCheckUtils]: 8: Hoare triple {26903#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:46,896 INFO L290 TraceCheckUtils]: 9: Hoare triple {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:46,897 INFO L290 TraceCheckUtils]: 10: Hoare triple {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:46,897 INFO L290 TraceCheckUtils]: 11: Hoare triple {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:46,898 INFO L290 TraceCheckUtils]: 12: Hoare triple {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:46,898 INFO L290 TraceCheckUtils]: 13: Hoare triple {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:46,899 INFO L290 TraceCheckUtils]: 14: Hoare triple {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:46,899 INFO L290 TraceCheckUtils]: 15: Hoare triple {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:46,900 INFO L290 TraceCheckUtils]: 16: Hoare triple {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:46,900 INFO L290 TraceCheckUtils]: 17: Hoare triple {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:46,901 INFO L290 TraceCheckUtils]: 18: Hoare triple {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:46,901 INFO L290 TraceCheckUtils]: 19: Hoare triple {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:46,902 INFO L290 TraceCheckUtils]: 20: Hoare triple {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:46,902 INFO L290 TraceCheckUtils]: 21: Hoare triple {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:46,903 INFO L290 TraceCheckUtils]: 22: Hoare triple {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:46,903 INFO L290 TraceCheckUtils]: 23: Hoare triple {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:46,904 INFO L290 TraceCheckUtils]: 24: Hoare triple {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:46,904 INFO L290 TraceCheckUtils]: 25: Hoare triple {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:46,905 INFO L290 TraceCheckUtils]: 26: Hoare triple {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:46,905 INFO L290 TraceCheckUtils]: 27: Hoare triple {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:46,906 INFO L290 TraceCheckUtils]: 28: Hoare triple {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:46,906 INFO L290 TraceCheckUtils]: 29: Hoare triple {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:46,906 INFO L290 TraceCheckUtils]: 30: Hoare triple {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:46,907 INFO L290 TraceCheckUtils]: 31: Hoare triple {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:46,907 INFO L290 TraceCheckUtils]: 32: Hoare triple {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:46,908 INFO L290 TraceCheckUtils]: 33: Hoare triple {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:46,908 INFO L290 TraceCheckUtils]: 34: Hoare triple {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:46,909 INFO L290 TraceCheckUtils]: 35: Hoare triple {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:46,909 INFO L290 TraceCheckUtils]: 36: Hoare triple {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:46,910 INFO L290 TraceCheckUtils]: 37: Hoare triple {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:46,910 INFO L290 TraceCheckUtils]: 38: Hoare triple {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:46,911 INFO L290 TraceCheckUtils]: 39: Hoare triple {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:46,911 INFO L290 TraceCheckUtils]: 40: Hoare triple {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:46,912 INFO L290 TraceCheckUtils]: 41: Hoare triple {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:46,912 INFO L290 TraceCheckUtils]: 42: Hoare triple {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:46,913 INFO L290 TraceCheckUtils]: 43: Hoare triple {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:46,913 INFO L290 TraceCheckUtils]: 44: Hoare triple {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:46,913 INFO L290 TraceCheckUtils]: 45: Hoare triple {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:46,914 INFO L290 TraceCheckUtils]: 46: Hoare triple {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:46,914 INFO L290 TraceCheckUtils]: 47: Hoare triple {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:46,915 INFO L290 TraceCheckUtils]: 48: Hoare triple {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 03:59:46,915 INFO L290 TraceCheckUtils]: 49: Hoare triple {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27097#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 03:59:46,916 INFO L290 TraceCheckUtils]: 50: Hoare triple {27097#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !(~z~0 % 4294967296 < 268435455); {26899#false} is VALID [2022-04-28 03:59:46,916 INFO L272 TraceCheckUtils]: 51: Hoare triple {26899#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {26899#false} is VALID [2022-04-28 03:59:46,916 INFO L290 TraceCheckUtils]: 52: Hoare triple {26899#false} ~cond := #in~cond; {26899#false} is VALID [2022-04-28 03:59:46,916 INFO L290 TraceCheckUtils]: 53: Hoare triple {26899#false} assume 0 == ~cond; {26899#false} is VALID [2022-04-28 03:59:46,916 INFO L290 TraceCheckUtils]: 54: Hoare triple {26899#false} assume !false; {26899#false} is VALID [2022-04-28 03:59:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:46,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 03:59:49,674 INFO L290 TraceCheckUtils]: 54: Hoare triple {26899#false} assume !false; {26899#false} is VALID [2022-04-28 03:59:49,674 INFO L290 TraceCheckUtils]: 53: Hoare triple {26899#false} assume 0 == ~cond; {26899#false} is VALID [2022-04-28 03:59:49,674 INFO L290 TraceCheckUtils]: 52: Hoare triple {26899#false} ~cond := #in~cond; {26899#false} is VALID [2022-04-28 03:59:49,674 INFO L272 TraceCheckUtils]: 51: Hoare triple {26899#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {26899#false} is VALID [2022-04-28 03:59:49,674 INFO L290 TraceCheckUtils]: 50: Hoare triple {27125#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {26899#false} is VALID [2022-04-28 03:59:49,675 INFO L290 TraceCheckUtils]: 49: Hoare triple {27129#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27125#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,676 INFO L290 TraceCheckUtils]: 48: Hoare triple {27133#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27129#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,677 INFO L290 TraceCheckUtils]: 47: Hoare triple {27137#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27133#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,677 INFO L290 TraceCheckUtils]: 46: Hoare triple {27141#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27137#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,678 INFO L290 TraceCheckUtils]: 45: Hoare triple {27145#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27141#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,678 INFO L290 TraceCheckUtils]: 44: Hoare triple {27149#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27145#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,679 INFO L290 TraceCheckUtils]: 43: Hoare triple {27153#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27149#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,680 INFO L290 TraceCheckUtils]: 42: Hoare triple {27157#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27153#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,680 INFO L290 TraceCheckUtils]: 41: Hoare triple {27161#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27157#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,681 INFO L290 TraceCheckUtils]: 40: Hoare triple {27165#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27161#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,681 INFO L290 TraceCheckUtils]: 39: Hoare triple {27169#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27165#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,682 INFO L290 TraceCheckUtils]: 38: Hoare triple {27173#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27169#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,683 INFO L290 TraceCheckUtils]: 37: Hoare triple {27177#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27173#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,683 INFO L290 TraceCheckUtils]: 36: Hoare triple {27181#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27177#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,684 INFO L290 TraceCheckUtils]: 35: Hoare triple {27185#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27181#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,684 INFO L290 TraceCheckUtils]: 34: Hoare triple {27189#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27185#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,685 INFO L290 TraceCheckUtils]: 33: Hoare triple {27193#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27189#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,685 INFO L290 TraceCheckUtils]: 32: Hoare triple {27197#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27193#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,686 INFO L290 TraceCheckUtils]: 31: Hoare triple {27201#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27197#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,687 INFO L290 TraceCheckUtils]: 30: Hoare triple {27205#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27201#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,687 INFO L290 TraceCheckUtils]: 29: Hoare triple {27209#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27205#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,688 INFO L290 TraceCheckUtils]: 28: Hoare triple {27213#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27209#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,688 INFO L290 TraceCheckUtils]: 27: Hoare triple {27217#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27213#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,689 INFO L290 TraceCheckUtils]: 26: Hoare triple {27221#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27217#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,690 INFO L290 TraceCheckUtils]: 25: Hoare triple {27225#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27221#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,691 INFO L290 TraceCheckUtils]: 24: Hoare triple {27229#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27225#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,692 INFO L290 TraceCheckUtils]: 23: Hoare triple {27233#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27229#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,693 INFO L290 TraceCheckUtils]: 22: Hoare triple {27237#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27233#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,693 INFO L290 TraceCheckUtils]: 21: Hoare triple {27241#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27237#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,694 INFO L290 TraceCheckUtils]: 20: Hoare triple {27245#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27241#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,694 INFO L290 TraceCheckUtils]: 19: Hoare triple {27249#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27245#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,695 INFO L290 TraceCheckUtils]: 18: Hoare triple {27253#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27249#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,695 INFO L290 TraceCheckUtils]: 17: Hoare triple {27257#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27253#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,696 INFO L290 TraceCheckUtils]: 16: Hoare triple {27261#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27257#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,697 INFO L290 TraceCheckUtils]: 15: Hoare triple {27265#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27261#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,697 INFO L290 TraceCheckUtils]: 14: Hoare triple {27269#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27265#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,698 INFO L290 TraceCheckUtils]: 13: Hoare triple {27273#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27269#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,698 INFO L290 TraceCheckUtils]: 12: Hoare triple {27277#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27273#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,699 INFO L290 TraceCheckUtils]: 11: Hoare triple {27281#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27277#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,700 INFO L290 TraceCheckUtils]: 10: Hoare triple {27285#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27281#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,700 INFO L290 TraceCheckUtils]: 9: Hoare triple {27289#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27285#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,701 INFO L290 TraceCheckUtils]: 8: Hoare triple {27293#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27289#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,701 INFO L290 TraceCheckUtils]: 7: Hoare triple {26898#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {27293#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 03:59:49,701 INFO L290 TraceCheckUtils]: 6: Hoare triple {26898#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {26898#true} is VALID [2022-04-28 03:59:49,701 INFO L290 TraceCheckUtils]: 5: Hoare triple {26898#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {26898#true} is VALID [2022-04-28 03:59:49,701 INFO L272 TraceCheckUtils]: 4: Hoare triple {26898#true} call #t~ret7 := main(); {26898#true} is VALID [2022-04-28 03:59:49,701 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 03:59:49,701 INFO L290 TraceCheckUtils]: 2: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 03:59:49,702 INFO L290 TraceCheckUtils]: 1: Hoare triple {26898#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 03:59:49,702 INFO L272 TraceCheckUtils]: 0: Hoare triple {26898#true} call ULTIMATE.init(); {26898#true} is VALID [2022-04-28 03:59:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:49,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655461230] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 03:59:49,702 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 03:59:49,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 90 [2022-04-28 03:59:49,702 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:59:49,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [191496701] [2022-04-28 03:59:49,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [191496701] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:59:49,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:59:49,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-04-28 03:59:49,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304256102] [2022-04-28 03:59:49,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:59:49,703 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2022-04-28 03:59:49,703 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:59:49,703 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:49,731 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:49,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-04-28 03:59:49,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:49,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-04-28 03:59:49,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2112, Invalid=5898, Unknown=0, NotChecked=0, Total=8010 [2022-04-28 03:59:49,732 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:54,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:54,084 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2022-04-28 03:59:54,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-04-28 03:59:54,084 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2022-04-28 03:59:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:59:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 88 transitions. [2022-04-28 03:59:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 88 transitions. [2022-04-28 03:59:54,086 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 46 states and 88 transitions. [2022-04-28 03:59:54,143 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:54,144 INFO L225 Difference]: With dead ends: 123 [2022-04-28 03:59:54,144 INFO L226 Difference]: Without dead ends: 66 [2022-04-28 03:59:54,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4217, Invalid=13339, Unknown=0, NotChecked=0, Total=17556 [2022-04-28 03:59:54,145 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-28 03:59:54,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 228 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-28 03:59:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-04-28 03:59:54,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2022-04-28 03:59:54,208 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:59:54,208 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:54,208 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:54,209 INFO L87 Difference]: Start difference. First operand 66 states. Second operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:54,209 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2022-04-28 03:59:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-04-28 03:59:54,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:54,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:54,210 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 66 states. [2022-04-28 03:59:54,210 INFO L87 Difference]: Start difference. First operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 66 states. [2022-04-28 03:59:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:59:54,210 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2022-04-28 03:59:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-04-28 03:59:54,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:59:54,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:59:54,211 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:59:54,211 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:59:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 03:59:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2022-04-28 03:59:54,211 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 55 [2022-04-28 03:59:54,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:59:54,212 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2022-04-28 03:59:54,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:59:54,212 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 65 states and 69 transitions. [2022-04-28 03:59:54,276 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:59:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-04-28 03:59:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-04-28 03:59:54,277 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:59:54,277 INFO L195 NwaCegarLoop]: trace histogram [43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:59:54,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-04-28 03:59:54,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:54,479 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:59:54,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:59:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2048292510, now seen corresponding path program 85 times [2022-04-28 03:59:54,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:59:54,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [715295053] [2022-04-28 03:59:57,262 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 03:59:57,422 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 03:59:57,424 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 03:59:57,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2091051965, now seen corresponding path program 1 times [2022-04-28 03:59:57,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:57,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713080704] [2022-04-28 03:59:57,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:57,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:57,437 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 03:59:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 03:59:57,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 03:59:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2048292510, now seen corresponding path program 86 times [2022-04-28 03:59:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:59:57,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661370927] [2022-04-28 03:59:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:59:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:59:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:59:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:58,431 INFO L290 TraceCheckUtils]: 0: Hoare triple {27964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 03:59:58,431 INFO L290 TraceCheckUtils]: 1: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 03:59:58,431 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L272 TraceCheckUtils]: 0: Hoare triple {27915#true} call ULTIMATE.init(); {27964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:59:58,432 INFO L290 TraceCheckUtils]: 1: Hoare triple {27964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L290 TraceCheckUtils]: 2: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L272 TraceCheckUtils]: 4: Hoare triple {27915#true} call #t~ret7 := main(); {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L290 TraceCheckUtils]: 5: Hoare triple {27915#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L290 TraceCheckUtils]: 6: Hoare triple {27915#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {27915#true} is VALID [2022-04-28 03:59:58,432 INFO L290 TraceCheckUtils]: 7: Hoare triple {27915#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {27920#(= main_~z~0 0)} is VALID [2022-04-28 03:59:58,433 INFO L290 TraceCheckUtils]: 8: Hoare triple {27920#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:58,433 INFO L290 TraceCheckUtils]: 9: Hoare triple {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:58,434 INFO L290 TraceCheckUtils]: 10: Hoare triple {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:58,434 INFO L290 TraceCheckUtils]: 11: Hoare triple {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:58,435 INFO L290 TraceCheckUtils]: 12: Hoare triple {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:58,435 INFO L290 TraceCheckUtils]: 13: Hoare triple {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:58,435 INFO L290 TraceCheckUtils]: 14: Hoare triple {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:58,436 INFO L290 TraceCheckUtils]: 15: Hoare triple {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:58,436 INFO L290 TraceCheckUtils]: 16: Hoare triple {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:58,437 INFO L290 TraceCheckUtils]: 17: Hoare triple {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:58,437 INFO L290 TraceCheckUtils]: 18: Hoare triple {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:58,438 INFO L290 TraceCheckUtils]: 19: Hoare triple {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:58,438 INFO L290 TraceCheckUtils]: 20: Hoare triple {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:58,439 INFO L290 TraceCheckUtils]: 21: Hoare triple {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:58,439 INFO L290 TraceCheckUtils]: 22: Hoare triple {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:58,440 INFO L290 TraceCheckUtils]: 23: Hoare triple {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:58,440 INFO L290 TraceCheckUtils]: 24: Hoare triple {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:58,441 INFO L290 TraceCheckUtils]: 25: Hoare triple {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:58,441 INFO L290 TraceCheckUtils]: 26: Hoare triple {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:58,442 INFO L290 TraceCheckUtils]: 27: Hoare triple {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:58,442 INFO L290 TraceCheckUtils]: 28: Hoare triple {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:58,442 INFO L290 TraceCheckUtils]: 29: Hoare triple {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:58,443 INFO L290 TraceCheckUtils]: 30: Hoare triple {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:58,443 INFO L290 TraceCheckUtils]: 31: Hoare triple {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:58,444 INFO L290 TraceCheckUtils]: 32: Hoare triple {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:58,444 INFO L290 TraceCheckUtils]: 33: Hoare triple {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:58,445 INFO L290 TraceCheckUtils]: 34: Hoare triple {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:58,445 INFO L290 TraceCheckUtils]: 35: Hoare triple {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:58,446 INFO L290 TraceCheckUtils]: 36: Hoare triple {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:58,446 INFO L290 TraceCheckUtils]: 37: Hoare triple {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:58,447 INFO L290 TraceCheckUtils]: 38: Hoare triple {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:58,447 INFO L290 TraceCheckUtils]: 39: Hoare triple {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:58,448 INFO L290 TraceCheckUtils]: 40: Hoare triple {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:58,448 INFO L290 TraceCheckUtils]: 41: Hoare triple {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:58,449 INFO L290 TraceCheckUtils]: 42: Hoare triple {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:58,449 INFO L290 TraceCheckUtils]: 43: Hoare triple {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:58,449 INFO L290 TraceCheckUtils]: 44: Hoare triple {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:58,450 INFO L290 TraceCheckUtils]: 45: Hoare triple {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:58,450 INFO L290 TraceCheckUtils]: 46: Hoare triple {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:58,451 INFO L290 TraceCheckUtils]: 47: Hoare triple {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:58,451 INFO L290 TraceCheckUtils]: 48: Hoare triple {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 03:59:58,452 INFO L290 TraceCheckUtils]: 49: Hoare triple {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 03:59:58,452 INFO L290 TraceCheckUtils]: 50: Hoare triple {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27963#(and (<= main_~z~0 43) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 03:59:58,453 INFO L290 TraceCheckUtils]: 51: Hoare triple {27963#(and (<= main_~z~0 43) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {27916#false} is VALID [2022-04-28 03:59:58,453 INFO L272 TraceCheckUtils]: 52: Hoare triple {27916#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {27916#false} is VALID [2022-04-28 03:59:58,453 INFO L290 TraceCheckUtils]: 53: Hoare triple {27916#false} ~cond := #in~cond; {27916#false} is VALID [2022-04-28 03:59:58,453 INFO L290 TraceCheckUtils]: 54: Hoare triple {27916#false} assume 0 == ~cond; {27916#false} is VALID [2022-04-28 03:59:58,453 INFO L290 TraceCheckUtils]: 55: Hoare triple {27916#false} assume !false; {27916#false} is VALID [2022-04-28 03:59:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:58,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:59:58,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661370927] [2022-04-28 03:59:58,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661370927] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 03:59:58,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891528807] [2022-04-28 03:59:58,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 03:59:58,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 03:59:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:59:58,455 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 03:59:58,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-04-28 03:59:58,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 03:59:58,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 03:59:58,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 89 conjunts are in the unsatisfiable core [2022-04-28 03:59:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:59:58,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 03:59:59,058 INFO L272 TraceCheckUtils]: 0: Hoare triple {27915#true} call ULTIMATE.init(); {27915#true} is VALID [2022-04-28 03:59:59,058 INFO L290 TraceCheckUtils]: 1: Hoare triple {27915#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 03:59:59,058 INFO L290 TraceCheckUtils]: 2: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 03:59:59,058 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 03:59:59,058 INFO L272 TraceCheckUtils]: 4: Hoare triple {27915#true} call #t~ret7 := main(); {27915#true} is VALID [2022-04-28 03:59:59,059 INFO L290 TraceCheckUtils]: 5: Hoare triple {27915#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {27915#true} is VALID [2022-04-28 03:59:59,059 INFO L290 TraceCheckUtils]: 6: Hoare triple {27915#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {27915#true} is VALID [2022-04-28 03:59:59,059 INFO L290 TraceCheckUtils]: 7: Hoare triple {27915#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {27920#(= main_~z~0 0)} is VALID [2022-04-28 03:59:59,059 INFO L290 TraceCheckUtils]: 8: Hoare triple {27920#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 03:59:59,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 03:59:59,060 INFO L290 TraceCheckUtils]: 10: Hoare triple {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 03:59:59,061 INFO L290 TraceCheckUtils]: 11: Hoare triple {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 03:59:59,061 INFO L290 TraceCheckUtils]: 12: Hoare triple {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 03:59:59,062 INFO L290 TraceCheckUtils]: 13: Hoare triple {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 03:59:59,062 INFO L290 TraceCheckUtils]: 14: Hoare triple {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 03:59:59,063 INFO L290 TraceCheckUtils]: 15: Hoare triple {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 03:59:59,063 INFO L290 TraceCheckUtils]: 16: Hoare triple {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 03:59:59,063 INFO L290 TraceCheckUtils]: 17: Hoare triple {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 03:59:59,064 INFO L290 TraceCheckUtils]: 18: Hoare triple {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 03:59:59,064 INFO L290 TraceCheckUtils]: 19: Hoare triple {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 03:59:59,065 INFO L290 TraceCheckUtils]: 20: Hoare triple {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 03:59:59,065 INFO L290 TraceCheckUtils]: 21: Hoare triple {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 03:59:59,066 INFO L290 TraceCheckUtils]: 22: Hoare triple {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 03:59:59,066 INFO L290 TraceCheckUtils]: 23: Hoare triple {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 03:59:59,067 INFO L290 TraceCheckUtils]: 24: Hoare triple {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 03:59:59,067 INFO L290 TraceCheckUtils]: 25: Hoare triple {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 03:59:59,068 INFO L290 TraceCheckUtils]: 26: Hoare triple {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 03:59:59,068 INFO L290 TraceCheckUtils]: 27: Hoare triple {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 03:59:59,069 INFO L290 TraceCheckUtils]: 28: Hoare triple {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 03:59:59,069 INFO L290 TraceCheckUtils]: 29: Hoare triple {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 03:59:59,070 INFO L290 TraceCheckUtils]: 30: Hoare triple {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 03:59:59,070 INFO L290 TraceCheckUtils]: 31: Hoare triple {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 03:59:59,070 INFO L290 TraceCheckUtils]: 32: Hoare triple {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 03:59:59,071 INFO L290 TraceCheckUtils]: 33: Hoare triple {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 03:59:59,071 INFO L290 TraceCheckUtils]: 34: Hoare triple {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 03:59:59,072 INFO L290 TraceCheckUtils]: 35: Hoare triple {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 03:59:59,072 INFO L290 TraceCheckUtils]: 36: Hoare triple {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 03:59:59,073 INFO L290 TraceCheckUtils]: 37: Hoare triple {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 03:59:59,073 INFO L290 TraceCheckUtils]: 38: Hoare triple {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 03:59:59,074 INFO L290 TraceCheckUtils]: 39: Hoare triple {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 03:59:59,074 INFO L290 TraceCheckUtils]: 40: Hoare triple {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 03:59:59,075 INFO L290 TraceCheckUtils]: 41: Hoare triple {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 03:59:59,075 INFO L290 TraceCheckUtils]: 42: Hoare triple {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 03:59:59,076 INFO L290 TraceCheckUtils]: 43: Hoare triple {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 03:59:59,076 INFO L290 TraceCheckUtils]: 44: Hoare triple {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 03:59:59,076 INFO L290 TraceCheckUtils]: 45: Hoare triple {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 03:59:59,077 INFO L290 TraceCheckUtils]: 46: Hoare triple {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 03:59:59,077 INFO L290 TraceCheckUtils]: 47: Hoare triple {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 03:59:59,078 INFO L290 TraceCheckUtils]: 48: Hoare triple {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 03:59:59,078 INFO L290 TraceCheckUtils]: 49: Hoare triple {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 03:59:59,079 INFO L290 TraceCheckUtils]: 50: Hoare triple {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28118#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 03:59:59,079 INFO L290 TraceCheckUtils]: 51: Hoare triple {28118#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {27916#false} is VALID [2022-04-28 03:59:59,079 INFO L272 TraceCheckUtils]: 52: Hoare triple {27916#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {27916#false} is VALID [2022-04-28 03:59:59,079 INFO L290 TraceCheckUtils]: 53: Hoare triple {27916#false} ~cond := #in~cond; {27916#false} is VALID [2022-04-28 03:59:59,080 INFO L290 TraceCheckUtils]: 54: Hoare triple {27916#false} assume 0 == ~cond; {27916#false} is VALID [2022-04-28 03:59:59,080 INFO L290 TraceCheckUtils]: 55: Hoare triple {27916#false} assume !false; {27916#false} is VALID [2022-04-28 03:59:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 03:59:59,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:00:01,937 INFO L290 TraceCheckUtils]: 55: Hoare triple {27916#false} assume !false; {27916#false} is VALID [2022-04-28 04:00:01,937 INFO L290 TraceCheckUtils]: 54: Hoare triple {27916#false} assume 0 == ~cond; {27916#false} is VALID [2022-04-28 04:00:01,937 INFO L290 TraceCheckUtils]: 53: Hoare triple {27916#false} ~cond := #in~cond; {27916#false} is VALID [2022-04-28 04:00:01,937 INFO L272 TraceCheckUtils]: 52: Hoare triple {27916#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {27916#false} is VALID [2022-04-28 04:00:01,937 INFO L290 TraceCheckUtils]: 51: Hoare triple {28146#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {27916#false} is VALID [2022-04-28 04:00:01,938 INFO L290 TraceCheckUtils]: 50: Hoare triple {28150#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28146#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,939 INFO L290 TraceCheckUtils]: 49: Hoare triple {28154#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28150#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,939 INFO L290 TraceCheckUtils]: 48: Hoare triple {28158#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28154#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,940 INFO L290 TraceCheckUtils]: 47: Hoare triple {28162#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28158#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,941 INFO L290 TraceCheckUtils]: 46: Hoare triple {28166#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28162#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,941 INFO L290 TraceCheckUtils]: 45: Hoare triple {28170#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28166#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,942 INFO L290 TraceCheckUtils]: 44: Hoare triple {28174#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28170#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,942 INFO L290 TraceCheckUtils]: 43: Hoare triple {28178#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28174#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,943 INFO L290 TraceCheckUtils]: 42: Hoare triple {28182#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28178#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,944 INFO L290 TraceCheckUtils]: 41: Hoare triple {28186#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28182#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,944 INFO L290 TraceCheckUtils]: 40: Hoare triple {28190#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28186#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,945 INFO L290 TraceCheckUtils]: 39: Hoare triple {28194#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28190#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,945 INFO L290 TraceCheckUtils]: 38: Hoare triple {28198#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28194#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,946 INFO L290 TraceCheckUtils]: 37: Hoare triple {28202#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28198#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,947 INFO L290 TraceCheckUtils]: 36: Hoare triple {28206#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28202#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,947 INFO L290 TraceCheckUtils]: 35: Hoare triple {28210#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28206#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,948 INFO L290 TraceCheckUtils]: 34: Hoare triple {28214#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28210#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,948 INFO L290 TraceCheckUtils]: 33: Hoare triple {28218#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28214#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,949 INFO L290 TraceCheckUtils]: 32: Hoare triple {28222#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28218#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,950 INFO L290 TraceCheckUtils]: 31: Hoare triple {28226#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28222#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,950 INFO L290 TraceCheckUtils]: 30: Hoare triple {28230#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28226#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,951 INFO L290 TraceCheckUtils]: 29: Hoare triple {28234#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28230#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,951 INFO L290 TraceCheckUtils]: 28: Hoare triple {28238#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28234#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,952 INFO L290 TraceCheckUtils]: 27: Hoare triple {28242#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28238#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,953 INFO L290 TraceCheckUtils]: 26: Hoare triple {28246#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28242#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,953 INFO L290 TraceCheckUtils]: 25: Hoare triple {28250#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28246#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,954 INFO L290 TraceCheckUtils]: 24: Hoare triple {28254#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28250#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,954 INFO L290 TraceCheckUtils]: 23: Hoare triple {28258#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28254#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,955 INFO L290 TraceCheckUtils]: 22: Hoare triple {28262#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28258#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,956 INFO L290 TraceCheckUtils]: 21: Hoare triple {28266#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28262#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,957 INFO L290 TraceCheckUtils]: 20: Hoare triple {28270#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28266#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,957 INFO L290 TraceCheckUtils]: 19: Hoare triple {28274#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28270#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,958 INFO L290 TraceCheckUtils]: 18: Hoare triple {28278#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28274#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,958 INFO L290 TraceCheckUtils]: 17: Hoare triple {28282#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28278#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,959 INFO L290 TraceCheckUtils]: 16: Hoare triple {28286#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28282#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,960 INFO L290 TraceCheckUtils]: 15: Hoare triple {28290#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28286#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,960 INFO L290 TraceCheckUtils]: 14: Hoare triple {28294#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28290#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,961 INFO L290 TraceCheckUtils]: 13: Hoare triple {28298#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28294#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,961 INFO L290 TraceCheckUtils]: 12: Hoare triple {28302#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28298#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,962 INFO L290 TraceCheckUtils]: 11: Hoare triple {28306#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28302#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,963 INFO L290 TraceCheckUtils]: 10: Hoare triple {28310#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28306#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,963 INFO L290 TraceCheckUtils]: 9: Hoare triple {28314#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28310#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,964 INFO L290 TraceCheckUtils]: 8: Hoare triple {28318#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28314#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,964 INFO L290 TraceCheckUtils]: 7: Hoare triple {27915#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {28318#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:00:01,964 INFO L290 TraceCheckUtils]: 6: Hoare triple {27915#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {27915#true} is VALID [2022-04-28 04:00:01,964 INFO L290 TraceCheckUtils]: 5: Hoare triple {27915#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {27915#true} is VALID [2022-04-28 04:00:01,964 INFO L272 TraceCheckUtils]: 4: Hoare triple {27915#true} call #t~ret7 := main(); {27915#true} is VALID [2022-04-28 04:00:01,965 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 04:00:01,965 INFO L290 TraceCheckUtils]: 2: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 04:00:01,965 INFO L290 TraceCheckUtils]: 1: Hoare triple {27915#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 04:00:01,965 INFO L272 TraceCheckUtils]: 0: Hoare triple {27915#true} call ULTIMATE.init(); {27915#true} is VALID [2022-04-28 04:00:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:01,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891528807] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:00:01,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:00:01,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 46, 46] total 92 [2022-04-28 04:00:01,965 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:00:01,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [715295053] [2022-04-28 04:00:01,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [715295053] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:00:01,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:00:01,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2022-04-28 04:00:01,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280630532] [2022-04-28 04:00:01,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:00:01,966 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2022-04-28 04:00:01,966 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:00:01,966 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:01,996 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:01,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-04-28 04:00:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-04-28 04:00:01,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2205, Invalid=6167, Unknown=0, NotChecked=0, Total=8372 [2022-04-28 04:00:01,997 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:06,038 INFO L93 Difference]: Finished difference Result 125 states and 134 transitions. [2022-04-28 04:00:06,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-28 04:00:06,038 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2022-04-28 04:00:06,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:00:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 89 transitions. [2022-04-28 04:00:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 89 transitions. [2022-04-28 04:00:06,040 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 47 states and 89 transitions. [2022-04-28 04:00:06,103 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:06,104 INFO L225 Difference]: With dead ends: 125 [2022-04-28 04:00:06,104 INFO L226 Difference]: Without dead ends: 67 [2022-04-28 04:00:06,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4403, Invalid=13957, Unknown=0, NotChecked=0, Total=18360 [2022-04-28 04:00:06,106 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-04-28 04:00:06,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 2330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-04-28 04:00:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-28 04:00:06,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2022-04-28 04:00:06,166 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:00:06,166 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:06,166 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:06,166 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:06,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:06,167 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2022-04-28 04:00:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-04-28 04:00:06,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:06,167 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:06,168 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 67 states. [2022-04-28 04:00:06,168 INFO L87 Difference]: Start difference. First operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 67 states. [2022-04-28 04:00:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:06,169 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2022-04-28 04:00:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-04-28 04:00:06,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:06,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:06,169 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:00:06,169 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:00:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2022-04-28 04:00:06,170 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 56 [2022-04-28 04:00:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:00:06,170 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2022-04-28 04:00:06,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:06,170 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 66 states and 70 transitions. [2022-04-28 04:00:06,231 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-04-28 04:00:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-04-28 04:00:06,231 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:00:06,232 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:00:06,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-04-28 04:00:06,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2022-04-28 04:00:06,432 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:00:06,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:00:06,432 INFO L85 PathProgramCache]: Analyzing trace with hash 953744194, now seen corresponding path program 87 times [2022-04-28 04:00:06,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:06,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [15024283] [2022-04-28 04:00:08,047 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:00:08,189 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:00:08,191 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:00:08,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2031946621, now seen corresponding path program 1 times [2022-04-28 04:00:08,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:08,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703830038] [2022-04-28 04:00:08,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:08,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:08,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:00:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:08,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:00:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash 953744194, now seen corresponding path program 88 times [2022-04-28 04:00:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:08,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755976766] [2022-04-28 04:00:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:00:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:09,240 INFO L290 TraceCheckUtils]: 0: Hoare triple {29000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 04:00:09,240 INFO L290 TraceCheckUtils]: 1: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 04:00:09,240 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L272 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {29000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:00:09,241 INFO L290 TraceCheckUtils]: 1: Hoare triple {29000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L290 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L272 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret7 := main(); {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L290 TraceCheckUtils]: 5: Hoare triple {28950#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L290 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {28950#true} is VALID [2022-04-28 04:00:09,241 INFO L290 TraceCheckUtils]: 7: Hoare triple {28950#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {28955#(= main_~z~0 0)} is VALID [2022-04-28 04:00:09,242 INFO L290 TraceCheckUtils]: 8: Hoare triple {28955#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:09,242 INFO L290 TraceCheckUtils]: 9: Hoare triple {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:09,243 INFO L290 TraceCheckUtils]: 10: Hoare triple {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:09,243 INFO L290 TraceCheckUtils]: 11: Hoare triple {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:09,244 INFO L290 TraceCheckUtils]: 12: Hoare triple {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:09,244 INFO L290 TraceCheckUtils]: 13: Hoare triple {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:09,245 INFO L290 TraceCheckUtils]: 14: Hoare triple {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:09,245 INFO L290 TraceCheckUtils]: 15: Hoare triple {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:09,246 INFO L290 TraceCheckUtils]: 16: Hoare triple {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:09,246 INFO L290 TraceCheckUtils]: 17: Hoare triple {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:09,246 INFO L290 TraceCheckUtils]: 18: Hoare triple {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:09,247 INFO L290 TraceCheckUtils]: 19: Hoare triple {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:09,247 INFO L290 TraceCheckUtils]: 20: Hoare triple {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:09,248 INFO L290 TraceCheckUtils]: 21: Hoare triple {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:09,248 INFO L290 TraceCheckUtils]: 22: Hoare triple {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:09,249 INFO L290 TraceCheckUtils]: 23: Hoare triple {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:09,249 INFO L290 TraceCheckUtils]: 24: Hoare triple {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:09,250 INFO L290 TraceCheckUtils]: 25: Hoare triple {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:09,250 INFO L290 TraceCheckUtils]: 26: Hoare triple {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:09,251 INFO L290 TraceCheckUtils]: 27: Hoare triple {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:09,251 INFO L290 TraceCheckUtils]: 28: Hoare triple {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:09,252 INFO L290 TraceCheckUtils]: 29: Hoare triple {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:09,252 INFO L290 TraceCheckUtils]: 30: Hoare triple {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:09,253 INFO L290 TraceCheckUtils]: 31: Hoare triple {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:09,253 INFO L290 TraceCheckUtils]: 32: Hoare triple {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:09,254 INFO L290 TraceCheckUtils]: 33: Hoare triple {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:09,254 INFO L290 TraceCheckUtils]: 34: Hoare triple {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:09,254 INFO L290 TraceCheckUtils]: 35: Hoare triple {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:09,255 INFO L290 TraceCheckUtils]: 36: Hoare triple {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:09,255 INFO L290 TraceCheckUtils]: 37: Hoare triple {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:09,256 INFO L290 TraceCheckUtils]: 38: Hoare triple {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:09,256 INFO L290 TraceCheckUtils]: 39: Hoare triple {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:09,257 INFO L290 TraceCheckUtils]: 40: Hoare triple {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:09,257 INFO L290 TraceCheckUtils]: 41: Hoare triple {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:09,258 INFO L290 TraceCheckUtils]: 42: Hoare triple {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:09,258 INFO L290 TraceCheckUtils]: 43: Hoare triple {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:09,259 INFO L290 TraceCheckUtils]: 44: Hoare triple {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:09,259 INFO L290 TraceCheckUtils]: 45: Hoare triple {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:09,260 INFO L290 TraceCheckUtils]: 46: Hoare triple {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:09,260 INFO L290 TraceCheckUtils]: 47: Hoare triple {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:09,261 INFO L290 TraceCheckUtils]: 48: Hoare triple {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:09,261 INFO L290 TraceCheckUtils]: 49: Hoare triple {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:09,262 INFO L290 TraceCheckUtils]: 50: Hoare triple {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:09,262 INFO L290 TraceCheckUtils]: 51: Hoare triple {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28999#(and (<= main_~z~0 44) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:00:09,262 INFO L290 TraceCheckUtils]: 52: Hoare triple {28999#(and (<= main_~z~0 44) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {28951#false} is VALID [2022-04-28 04:00:09,263 INFO L272 TraceCheckUtils]: 53: Hoare triple {28951#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {28951#false} is VALID [2022-04-28 04:00:09,263 INFO L290 TraceCheckUtils]: 54: Hoare triple {28951#false} ~cond := #in~cond; {28951#false} is VALID [2022-04-28 04:00:09,263 INFO L290 TraceCheckUtils]: 55: Hoare triple {28951#false} assume 0 == ~cond; {28951#false} is VALID [2022-04-28 04:00:09,263 INFO L290 TraceCheckUtils]: 56: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2022-04-28 04:00:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:09,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:00:09,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755976766] [2022-04-28 04:00:09,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755976766] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:00:09,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468132797] [2022-04-28 04:00:09,264 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:00:09,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:00:09,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:00:09,264 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:00:09,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-04-28 04:00:09,367 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:00:09,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:00:09,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 91 conjunts are in the unsatisfiable core [2022-04-28 04:00:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:09,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:00:09,903 INFO L272 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L290 TraceCheckUtils]: 1: Hoare triple {28950#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L290 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L272 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret7 := main(); {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L290 TraceCheckUtils]: 5: Hoare triple {28950#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L290 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {28950#true} is VALID [2022-04-28 04:00:09,904 INFO L290 TraceCheckUtils]: 7: Hoare triple {28950#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {28955#(= main_~z~0 0)} is VALID [2022-04-28 04:00:09,905 INFO L290 TraceCheckUtils]: 8: Hoare triple {28955#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:09,905 INFO L290 TraceCheckUtils]: 9: Hoare triple {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:09,906 INFO L290 TraceCheckUtils]: 10: Hoare triple {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:09,906 INFO L290 TraceCheckUtils]: 11: Hoare triple {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:09,907 INFO L290 TraceCheckUtils]: 12: Hoare triple {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:09,907 INFO L290 TraceCheckUtils]: 13: Hoare triple {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:09,908 INFO L290 TraceCheckUtils]: 14: Hoare triple {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:09,908 INFO L290 TraceCheckUtils]: 15: Hoare triple {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:09,909 INFO L290 TraceCheckUtils]: 16: Hoare triple {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:09,909 INFO L290 TraceCheckUtils]: 17: Hoare triple {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:09,910 INFO L290 TraceCheckUtils]: 18: Hoare triple {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:09,910 INFO L290 TraceCheckUtils]: 19: Hoare triple {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:09,910 INFO L290 TraceCheckUtils]: 20: Hoare triple {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:09,911 INFO L290 TraceCheckUtils]: 21: Hoare triple {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:09,911 INFO L290 TraceCheckUtils]: 22: Hoare triple {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:09,912 INFO L290 TraceCheckUtils]: 23: Hoare triple {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:09,912 INFO L290 TraceCheckUtils]: 24: Hoare triple {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:09,913 INFO L290 TraceCheckUtils]: 25: Hoare triple {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:09,913 INFO L290 TraceCheckUtils]: 26: Hoare triple {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:09,914 INFO L290 TraceCheckUtils]: 27: Hoare triple {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:09,914 INFO L290 TraceCheckUtils]: 28: Hoare triple {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:09,915 INFO L290 TraceCheckUtils]: 29: Hoare triple {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:09,915 INFO L290 TraceCheckUtils]: 30: Hoare triple {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:09,916 INFO L290 TraceCheckUtils]: 31: Hoare triple {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:09,916 INFO L290 TraceCheckUtils]: 32: Hoare triple {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:09,917 INFO L290 TraceCheckUtils]: 33: Hoare triple {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:09,917 INFO L290 TraceCheckUtils]: 34: Hoare triple {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:09,918 INFO L290 TraceCheckUtils]: 35: Hoare triple {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:09,918 INFO L290 TraceCheckUtils]: 36: Hoare triple {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:09,919 INFO L290 TraceCheckUtils]: 37: Hoare triple {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:09,919 INFO L290 TraceCheckUtils]: 38: Hoare triple {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:09,919 INFO L290 TraceCheckUtils]: 39: Hoare triple {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:09,920 INFO L290 TraceCheckUtils]: 40: Hoare triple {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:09,920 INFO L290 TraceCheckUtils]: 41: Hoare triple {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:09,921 INFO L290 TraceCheckUtils]: 42: Hoare triple {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:09,921 INFO L290 TraceCheckUtils]: 43: Hoare triple {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:09,922 INFO L290 TraceCheckUtils]: 44: Hoare triple {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:09,922 INFO L290 TraceCheckUtils]: 45: Hoare triple {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:09,923 INFO L290 TraceCheckUtils]: 46: Hoare triple {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:09,923 INFO L290 TraceCheckUtils]: 47: Hoare triple {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:09,924 INFO L290 TraceCheckUtils]: 48: Hoare triple {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:09,924 INFO L290 TraceCheckUtils]: 49: Hoare triple {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:09,925 INFO L290 TraceCheckUtils]: 50: Hoare triple {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:09,925 INFO L290 TraceCheckUtils]: 51: Hoare triple {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29157#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:09,926 INFO L290 TraceCheckUtils]: 52: Hoare triple {29157#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {28951#false} is VALID [2022-04-28 04:00:09,926 INFO L272 TraceCheckUtils]: 53: Hoare triple {28951#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {28951#false} is VALID [2022-04-28 04:00:09,926 INFO L290 TraceCheckUtils]: 54: Hoare triple {28951#false} ~cond := #in~cond; {28951#false} is VALID [2022-04-28 04:00:09,926 INFO L290 TraceCheckUtils]: 55: Hoare triple {28951#false} assume 0 == ~cond; {28951#false} is VALID [2022-04-28 04:00:09,926 INFO L290 TraceCheckUtils]: 56: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2022-04-28 04:00:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:09,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:00:12,971 INFO L290 TraceCheckUtils]: 56: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2022-04-28 04:00:12,972 INFO L290 TraceCheckUtils]: 55: Hoare triple {28951#false} assume 0 == ~cond; {28951#false} is VALID [2022-04-28 04:00:12,972 INFO L290 TraceCheckUtils]: 54: Hoare triple {28951#false} ~cond := #in~cond; {28951#false} is VALID [2022-04-28 04:00:12,972 INFO L272 TraceCheckUtils]: 53: Hoare triple {28951#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {28951#false} is VALID [2022-04-28 04:00:12,972 INFO L290 TraceCheckUtils]: 52: Hoare triple {29185#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {28951#false} is VALID [2022-04-28 04:00:12,973 INFO L290 TraceCheckUtils]: 51: Hoare triple {29189#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29185#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,973 INFO L290 TraceCheckUtils]: 50: Hoare triple {29193#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29189#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,975 INFO L290 TraceCheckUtils]: 49: Hoare triple {29197#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29193#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,975 INFO L290 TraceCheckUtils]: 48: Hoare triple {29201#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29197#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,976 INFO L290 TraceCheckUtils]: 47: Hoare triple {29205#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29201#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,977 INFO L290 TraceCheckUtils]: 46: Hoare triple {29209#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29205#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,977 INFO L290 TraceCheckUtils]: 45: Hoare triple {29213#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29209#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,978 INFO L290 TraceCheckUtils]: 44: Hoare triple {29217#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29213#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,978 INFO L290 TraceCheckUtils]: 43: Hoare triple {29221#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29217#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,979 INFO L290 TraceCheckUtils]: 42: Hoare triple {29225#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29221#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,980 INFO L290 TraceCheckUtils]: 41: Hoare triple {29229#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29225#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,980 INFO L290 TraceCheckUtils]: 40: Hoare triple {29233#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29229#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,981 INFO L290 TraceCheckUtils]: 39: Hoare triple {29237#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29233#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,982 INFO L290 TraceCheckUtils]: 38: Hoare triple {29241#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29237#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,982 INFO L290 TraceCheckUtils]: 37: Hoare triple {29245#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29241#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,983 INFO L290 TraceCheckUtils]: 36: Hoare triple {29249#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29245#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,983 INFO L290 TraceCheckUtils]: 35: Hoare triple {29253#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29249#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,984 INFO L290 TraceCheckUtils]: 34: Hoare triple {29257#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29253#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,984 INFO L290 TraceCheckUtils]: 33: Hoare triple {29261#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29257#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,985 INFO L290 TraceCheckUtils]: 32: Hoare triple {29265#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29261#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,986 INFO L290 TraceCheckUtils]: 31: Hoare triple {29269#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29265#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,986 INFO L290 TraceCheckUtils]: 30: Hoare triple {29273#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29269#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,987 INFO L290 TraceCheckUtils]: 29: Hoare triple {29277#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29273#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,987 INFO L290 TraceCheckUtils]: 28: Hoare triple {29281#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29277#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,988 INFO L290 TraceCheckUtils]: 27: Hoare triple {29285#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29281#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,991 INFO L290 TraceCheckUtils]: 26: Hoare triple {29289#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29285#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,992 INFO L290 TraceCheckUtils]: 25: Hoare triple {29293#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29289#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,992 INFO L290 TraceCheckUtils]: 24: Hoare triple {29297#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29293#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,993 INFO L290 TraceCheckUtils]: 23: Hoare triple {29301#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29297#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,994 INFO L290 TraceCheckUtils]: 22: Hoare triple {29305#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29301#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,994 INFO L290 TraceCheckUtils]: 21: Hoare triple {29309#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29305#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,995 INFO L290 TraceCheckUtils]: 20: Hoare triple {29313#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29309#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,996 INFO L290 TraceCheckUtils]: 19: Hoare triple {29317#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29313#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,996 INFO L290 TraceCheckUtils]: 18: Hoare triple {29321#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29317#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,997 INFO L290 TraceCheckUtils]: 17: Hoare triple {29325#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29321#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,997 INFO L290 TraceCheckUtils]: 16: Hoare triple {29329#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29325#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,998 INFO L290 TraceCheckUtils]: 15: Hoare triple {29333#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29329#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,999 INFO L290 TraceCheckUtils]: 14: Hoare triple {29337#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29333#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:00:12,999 INFO L290 TraceCheckUtils]: 13: Hoare triple {29341#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29337#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,000 INFO L290 TraceCheckUtils]: 12: Hoare triple {29345#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29341#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,000 INFO L290 TraceCheckUtils]: 11: Hoare triple {29349#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29345#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,001 INFO L290 TraceCheckUtils]: 10: Hoare triple {29353#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29349#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,002 INFO L290 TraceCheckUtils]: 9: Hoare triple {29357#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29353#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,002 INFO L290 TraceCheckUtils]: 8: Hoare triple {29361#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29357#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,002 INFO L290 TraceCheckUtils]: 7: Hoare triple {28950#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {29361#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:13,003 INFO L290 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L290 TraceCheckUtils]: 5: Hoare triple {28950#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L272 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret7 := main(); {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L290 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L290 TraceCheckUtils]: 1: Hoare triple {28950#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L272 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {28950#true} is VALID [2022-04-28 04:00:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:13,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468132797] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:00:13,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:00:13,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 47] total 94 [2022-04-28 04:00:13,004 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:00:13,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [15024283] [2022-04-28 04:00:13,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [15024283] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:00:13,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:00:13,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-04-28 04:00:13,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289478608] [2022-04-28 04:00:13,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:00:13,004 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2022-04-28 04:00:13,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:00:13,005 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:13,034 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:13,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-04-28 04:00:13,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:13,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-04-28 04:00:13,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2300, Invalid=6442, Unknown=0, NotChecked=0, Total=8742 [2022-04-28 04:00:13,036 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:17,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:17,182 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2022-04-28 04:00:17,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-04-28 04:00:17,182 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2022-04-28 04:00:17,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:00:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 90 transitions. [2022-04-28 04:00:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 90 transitions. [2022-04-28 04:00:17,184 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 48 states and 90 transitions. [2022-04-28 04:00:17,240 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:17,241 INFO L225 Difference]: With dead ends: 127 [2022-04-28 04:00:17,241 INFO L226 Difference]: Without dead ends: 68 [2022-04-28 04:00:17,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=4593, Invalid=14589, Unknown=0, NotChecked=0, Total=19182 [2022-04-28 04:00:17,243 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-28 04:00:17,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2267 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-28 04:00:17,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-04-28 04:00:17,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2022-04-28 04:00:17,306 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:00:17,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:17,307 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:17,307 INFO L87 Difference]: Start difference. First operand 68 states. Second operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:17,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:17,308 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2022-04-28 04:00:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-04-28 04:00:17,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:17,308 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:17,308 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 68 states. [2022-04-28 04:00:17,308 INFO L87 Difference]: Start difference. First operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 68 states. [2022-04-28 04:00:17,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:17,309 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2022-04-28 04:00:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-04-28 04:00:17,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:17,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:17,309 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:00:17,309 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:00:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2022-04-28 04:00:17,310 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 57 [2022-04-28 04:00:17,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:00:17,310 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2022-04-28 04:00:17,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:17,310 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 67 states and 71 transitions. [2022-04-28 04:00:17,380 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-04-28 04:00:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-28 04:00:17,380 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:00:17,380 INFO L195 NwaCegarLoop]: trace histogram [45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:00:17,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-04-28 04:00:17,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:00:17,591 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:00:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:00:17,592 INFO L85 PathProgramCache]: Analyzing trace with hash -472398494, now seen corresponding path program 89 times [2022-04-28 04:00:17,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:17,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [824559255] [2022-04-28 04:00:19,032 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:00:19,145 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:00:19,147 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:00:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1972841277, now seen corresponding path program 1 times [2022-04-28 04:00:19,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:19,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438049803] [2022-04-28 04:00:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:19,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:19,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:00:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:19,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:00:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash -472398494, now seen corresponding path program 90 times [2022-04-28 04:00:19,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:19,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466795267] [2022-04-28 04:00:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:19,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:00:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:20,273 INFO L290 TraceCheckUtils]: 0: Hoare triple {30054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 04:00:20,273 INFO L290 TraceCheckUtils]: 1: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 04:00:20,273 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L272 TraceCheckUtils]: 0: Hoare triple {30003#true} call ULTIMATE.init(); {30054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:00:20,274 INFO L290 TraceCheckUtils]: 1: Hoare triple {30054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L290 TraceCheckUtils]: 2: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L272 TraceCheckUtils]: 4: Hoare triple {30003#true} call #t~ret7 := main(); {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L290 TraceCheckUtils]: 5: Hoare triple {30003#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L290 TraceCheckUtils]: 6: Hoare triple {30003#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {30003#true} is VALID [2022-04-28 04:00:20,274 INFO L290 TraceCheckUtils]: 7: Hoare triple {30003#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {30008#(= main_~z~0 0)} is VALID [2022-04-28 04:00:20,275 INFO L290 TraceCheckUtils]: 8: Hoare triple {30008#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:20,275 INFO L290 TraceCheckUtils]: 9: Hoare triple {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:20,276 INFO L290 TraceCheckUtils]: 10: Hoare triple {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:20,276 INFO L290 TraceCheckUtils]: 11: Hoare triple {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:20,277 INFO L290 TraceCheckUtils]: 12: Hoare triple {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:20,277 INFO L290 TraceCheckUtils]: 13: Hoare triple {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:20,278 INFO L290 TraceCheckUtils]: 14: Hoare triple {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:20,278 INFO L290 TraceCheckUtils]: 15: Hoare triple {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:20,279 INFO L290 TraceCheckUtils]: 16: Hoare triple {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:20,279 INFO L290 TraceCheckUtils]: 17: Hoare triple {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:20,279 INFO L290 TraceCheckUtils]: 18: Hoare triple {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:20,280 INFO L290 TraceCheckUtils]: 19: Hoare triple {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:20,280 INFO L290 TraceCheckUtils]: 20: Hoare triple {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:20,281 INFO L290 TraceCheckUtils]: 21: Hoare triple {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:20,281 INFO L290 TraceCheckUtils]: 22: Hoare triple {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:20,282 INFO L290 TraceCheckUtils]: 23: Hoare triple {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:20,282 INFO L290 TraceCheckUtils]: 24: Hoare triple {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:20,283 INFO L290 TraceCheckUtils]: 25: Hoare triple {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:20,283 INFO L290 TraceCheckUtils]: 26: Hoare triple {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:20,284 INFO L290 TraceCheckUtils]: 27: Hoare triple {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:20,284 INFO L290 TraceCheckUtils]: 28: Hoare triple {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:20,286 INFO L290 TraceCheckUtils]: 29: Hoare triple {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:20,286 INFO L290 TraceCheckUtils]: 30: Hoare triple {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:20,287 INFO L290 TraceCheckUtils]: 31: Hoare triple {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:20,287 INFO L290 TraceCheckUtils]: 32: Hoare triple {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:20,287 INFO L290 TraceCheckUtils]: 33: Hoare triple {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:20,288 INFO L290 TraceCheckUtils]: 34: Hoare triple {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:20,288 INFO L290 TraceCheckUtils]: 35: Hoare triple {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:20,289 INFO L290 TraceCheckUtils]: 36: Hoare triple {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:20,289 INFO L290 TraceCheckUtils]: 37: Hoare triple {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:20,290 INFO L290 TraceCheckUtils]: 38: Hoare triple {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:20,290 INFO L290 TraceCheckUtils]: 39: Hoare triple {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:20,291 INFO L290 TraceCheckUtils]: 40: Hoare triple {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:20,291 INFO L290 TraceCheckUtils]: 41: Hoare triple {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:20,292 INFO L290 TraceCheckUtils]: 42: Hoare triple {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:20,292 INFO L290 TraceCheckUtils]: 43: Hoare triple {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:20,293 INFO L290 TraceCheckUtils]: 44: Hoare triple {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:20,293 INFO L290 TraceCheckUtils]: 45: Hoare triple {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:20,294 INFO L290 TraceCheckUtils]: 46: Hoare triple {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:20,294 INFO L290 TraceCheckUtils]: 47: Hoare triple {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:20,295 INFO L290 TraceCheckUtils]: 48: Hoare triple {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:20,295 INFO L290 TraceCheckUtils]: 49: Hoare triple {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:20,295 INFO L290 TraceCheckUtils]: 50: Hoare triple {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:20,296 INFO L290 TraceCheckUtils]: 51: Hoare triple {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:20,296 INFO L290 TraceCheckUtils]: 52: Hoare triple {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30053#(and (<= main_~z~0 45) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:00:20,297 INFO L290 TraceCheckUtils]: 53: Hoare triple {30053#(and (<= main_~z~0 45) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {30004#false} is VALID [2022-04-28 04:00:20,297 INFO L272 TraceCheckUtils]: 54: Hoare triple {30004#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {30004#false} is VALID [2022-04-28 04:00:20,297 INFO L290 TraceCheckUtils]: 55: Hoare triple {30004#false} ~cond := #in~cond; {30004#false} is VALID [2022-04-28 04:00:20,297 INFO L290 TraceCheckUtils]: 56: Hoare triple {30004#false} assume 0 == ~cond; {30004#false} is VALID [2022-04-28 04:00:20,297 INFO L290 TraceCheckUtils]: 57: Hoare triple {30004#false} assume !false; {30004#false} is VALID [2022-04-28 04:00:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:20,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:00:20,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466795267] [2022-04-28 04:00:20,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466795267] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:00:20,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885595796] [2022-04-28 04:00:20,298 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:00:20,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:00:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:00:20,301 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:00:20,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-04-28 04:00:26,642 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2022-04-28 04:00:26,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:00:26,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 97 conjunts are in the unsatisfiable core [2022-04-28 04:00:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:26,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:00:27,099 INFO L272 TraceCheckUtils]: 0: Hoare triple {30003#true} call ULTIMATE.init(); {30003#true} is VALID [2022-04-28 04:00:27,099 INFO L290 TraceCheckUtils]: 1: Hoare triple {30003#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 04:00:27,099 INFO L290 TraceCheckUtils]: 2: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 04:00:27,099 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 04:00:27,100 INFO L272 TraceCheckUtils]: 4: Hoare triple {30003#true} call #t~ret7 := main(); {30003#true} is VALID [2022-04-28 04:00:27,100 INFO L290 TraceCheckUtils]: 5: Hoare triple {30003#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {30003#true} is VALID [2022-04-28 04:00:27,100 INFO L290 TraceCheckUtils]: 6: Hoare triple {30003#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {30003#true} is VALID [2022-04-28 04:00:27,100 INFO L290 TraceCheckUtils]: 7: Hoare triple {30003#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {30008#(= main_~z~0 0)} is VALID [2022-04-28 04:00:27,100 INFO L290 TraceCheckUtils]: 8: Hoare triple {30008#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:27,101 INFO L290 TraceCheckUtils]: 9: Hoare triple {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:27,101 INFO L290 TraceCheckUtils]: 10: Hoare triple {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:27,102 INFO L290 TraceCheckUtils]: 11: Hoare triple {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:27,102 INFO L290 TraceCheckUtils]: 12: Hoare triple {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:27,103 INFO L290 TraceCheckUtils]: 13: Hoare triple {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:27,103 INFO L290 TraceCheckUtils]: 14: Hoare triple {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:27,104 INFO L290 TraceCheckUtils]: 15: Hoare triple {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:27,104 INFO L290 TraceCheckUtils]: 16: Hoare triple {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:27,105 INFO L290 TraceCheckUtils]: 17: Hoare triple {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:27,105 INFO L290 TraceCheckUtils]: 18: Hoare triple {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:27,106 INFO L290 TraceCheckUtils]: 19: Hoare triple {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:27,106 INFO L290 TraceCheckUtils]: 20: Hoare triple {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:27,107 INFO L290 TraceCheckUtils]: 21: Hoare triple {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:27,107 INFO L290 TraceCheckUtils]: 22: Hoare triple {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:27,108 INFO L290 TraceCheckUtils]: 23: Hoare triple {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:27,108 INFO L290 TraceCheckUtils]: 24: Hoare triple {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:27,108 INFO L290 TraceCheckUtils]: 25: Hoare triple {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:27,109 INFO L290 TraceCheckUtils]: 26: Hoare triple {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:27,109 INFO L290 TraceCheckUtils]: 27: Hoare triple {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:27,110 INFO L290 TraceCheckUtils]: 28: Hoare triple {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:27,110 INFO L290 TraceCheckUtils]: 29: Hoare triple {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:27,111 INFO L290 TraceCheckUtils]: 30: Hoare triple {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:27,111 INFO L290 TraceCheckUtils]: 31: Hoare triple {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:27,112 INFO L290 TraceCheckUtils]: 32: Hoare triple {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:27,112 INFO L290 TraceCheckUtils]: 33: Hoare triple {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:27,113 INFO L290 TraceCheckUtils]: 34: Hoare triple {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:27,113 INFO L290 TraceCheckUtils]: 35: Hoare triple {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:27,114 INFO L290 TraceCheckUtils]: 36: Hoare triple {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:27,114 INFO L290 TraceCheckUtils]: 37: Hoare triple {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:27,115 INFO L290 TraceCheckUtils]: 38: Hoare triple {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:27,115 INFO L290 TraceCheckUtils]: 39: Hoare triple {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:27,115 INFO L290 TraceCheckUtils]: 40: Hoare triple {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:27,116 INFO L290 TraceCheckUtils]: 41: Hoare triple {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:27,116 INFO L290 TraceCheckUtils]: 42: Hoare triple {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:27,117 INFO L290 TraceCheckUtils]: 43: Hoare triple {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:27,117 INFO L290 TraceCheckUtils]: 44: Hoare triple {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:27,118 INFO L290 TraceCheckUtils]: 45: Hoare triple {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:27,118 INFO L290 TraceCheckUtils]: 46: Hoare triple {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:27,119 INFO L290 TraceCheckUtils]: 47: Hoare triple {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:27,119 INFO L290 TraceCheckUtils]: 48: Hoare triple {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:27,120 INFO L290 TraceCheckUtils]: 49: Hoare triple {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:27,120 INFO L290 TraceCheckUtils]: 50: Hoare triple {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:27,121 INFO L290 TraceCheckUtils]: 51: Hoare triple {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:27,121 INFO L290 TraceCheckUtils]: 52: Hoare triple {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30214#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:00:27,122 INFO L290 TraceCheckUtils]: 53: Hoare triple {30214#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {30004#false} is VALID [2022-04-28 04:00:27,122 INFO L272 TraceCheckUtils]: 54: Hoare triple {30004#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {30004#false} is VALID [2022-04-28 04:00:27,122 INFO L290 TraceCheckUtils]: 55: Hoare triple {30004#false} ~cond := #in~cond; {30004#false} is VALID [2022-04-28 04:00:27,122 INFO L290 TraceCheckUtils]: 56: Hoare triple {30004#false} assume 0 == ~cond; {30004#false} is VALID [2022-04-28 04:00:27,122 INFO L290 TraceCheckUtils]: 57: Hoare triple {30004#false} assume !false; {30004#false} is VALID [2022-04-28 04:00:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:27,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:00:36,802 INFO L290 TraceCheckUtils]: 57: Hoare triple {30004#false} assume !false; {30004#false} is VALID [2022-04-28 04:00:36,803 INFO L290 TraceCheckUtils]: 56: Hoare triple {30233#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {30004#false} is VALID [2022-04-28 04:00:36,803 INFO L290 TraceCheckUtils]: 55: Hoare triple {30237#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {30233#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 04:00:36,803 INFO L272 TraceCheckUtils]: 54: Hoare triple {30241#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {30237#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 04:00:36,804 INFO L290 TraceCheckUtils]: 53: Hoare triple {30245#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {30241#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:00:36,805 INFO L290 TraceCheckUtils]: 52: Hoare triple {30249#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30245#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 04:00:36,805 INFO L290 TraceCheckUtils]: 51: Hoare triple {30253#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30249#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} is VALID [2022-04-28 04:00:36,806 INFO L290 TraceCheckUtils]: 50: Hoare triple {30257#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30253#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} is VALID [2022-04-28 04:00:36,807 INFO L290 TraceCheckUtils]: 49: Hoare triple {30261#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30257#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,808 INFO L290 TraceCheckUtils]: 48: Hoare triple {30265#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30261#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,809 INFO L290 TraceCheckUtils]: 47: Hoare triple {30269#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30265#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} is VALID [2022-04-28 04:00:36,809 INFO L290 TraceCheckUtils]: 46: Hoare triple {30273#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30269#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,810 INFO L290 TraceCheckUtils]: 45: Hoare triple {30277#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30273#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} is VALID [2022-04-28 04:00:36,811 INFO L290 TraceCheckUtils]: 44: Hoare triple {30281#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30277#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,812 INFO L290 TraceCheckUtils]: 43: Hoare triple {30285#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30281#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,813 INFO L290 TraceCheckUtils]: 42: Hoare triple {30289#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30285#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,814 INFO L290 TraceCheckUtils]: 41: Hoare triple {30293#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30289#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} is VALID [2022-04-28 04:00:36,814 INFO L290 TraceCheckUtils]: 40: Hoare triple {30297#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30293#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,815 INFO L290 TraceCheckUtils]: 39: Hoare triple {30301#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30297#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} is VALID [2022-04-28 04:00:36,816 INFO L290 TraceCheckUtils]: 38: Hoare triple {30305#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30301#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} is VALID [2022-04-28 04:00:36,817 INFO L290 TraceCheckUtils]: 37: Hoare triple {30309#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30305#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} is VALID [2022-04-28 04:00:36,818 INFO L290 TraceCheckUtils]: 36: Hoare triple {30313#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30309#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} is VALID [2022-04-28 04:00:36,818 INFO L290 TraceCheckUtils]: 35: Hoare triple {30317#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30313#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} is VALID [2022-04-28 04:00:36,819 INFO L290 TraceCheckUtils]: 34: Hoare triple {30321#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30317#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,820 INFO L290 TraceCheckUtils]: 33: Hoare triple {30325#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30321#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,821 INFO L290 TraceCheckUtils]: 32: Hoare triple {30329#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30325#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,822 INFO L290 TraceCheckUtils]: 31: Hoare triple {30333#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30329#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} is VALID [2022-04-28 04:00:36,822 INFO L290 TraceCheckUtils]: 30: Hoare triple {30337#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30333#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,823 INFO L290 TraceCheckUtils]: 29: Hoare triple {30341#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30337#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,824 INFO L290 TraceCheckUtils]: 28: Hoare triple {30345#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30341#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,825 INFO L290 TraceCheckUtils]: 27: Hoare triple {30349#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30345#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,826 INFO L290 TraceCheckUtils]: 26: Hoare triple {30353#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30349#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,827 INFO L290 TraceCheckUtils]: 25: Hoare triple {30357#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30353#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} is VALID [2022-04-28 04:00:36,827 INFO L290 TraceCheckUtils]: 24: Hoare triple {30361#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30357#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} is VALID [2022-04-28 04:00:36,828 INFO L290 TraceCheckUtils]: 23: Hoare triple {30365#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30361#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,834 INFO L290 TraceCheckUtils]: 22: Hoare triple {30369#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30365#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,835 INFO L290 TraceCheckUtils]: 21: Hoare triple {30373#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30369#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,836 INFO L290 TraceCheckUtils]: 20: Hoare triple {30377#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30373#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,837 INFO L290 TraceCheckUtils]: 19: Hoare triple {30381#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30377#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,837 INFO L290 TraceCheckUtils]: 18: Hoare triple {30385#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30381#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,838 INFO L290 TraceCheckUtils]: 17: Hoare triple {30389#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30385#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,839 INFO L290 TraceCheckUtils]: 16: Hoare triple {30393#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30389#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,840 INFO L290 TraceCheckUtils]: 15: Hoare triple {30397#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30393#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} is VALID [2022-04-28 04:00:36,841 INFO L290 TraceCheckUtils]: 14: Hoare triple {30401#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30397#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} is VALID [2022-04-28 04:00:36,841 INFO L290 TraceCheckUtils]: 13: Hoare triple {30405#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30401#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} is VALID [2022-04-28 04:00:36,842 INFO L290 TraceCheckUtils]: 12: Hoare triple {30409#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30405#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} is VALID [2022-04-28 04:00:36,843 INFO L290 TraceCheckUtils]: 11: Hoare triple {30413#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30409#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:00:36,844 INFO L290 TraceCheckUtils]: 10: Hoare triple {30417#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30413#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,845 INFO L290 TraceCheckUtils]: 9: Hoare triple {30421#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30417#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,845 INFO L290 TraceCheckUtils]: 8: Hoare triple {30425#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30421#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} is VALID [2022-04-28 04:00:36,846 INFO L290 TraceCheckUtils]: 7: Hoare triple {30003#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {30425#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:00:36,846 INFO L290 TraceCheckUtils]: 6: Hoare triple {30003#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {30003#true} is VALID [2022-04-28 04:00:36,846 INFO L290 TraceCheckUtils]: 5: Hoare triple {30003#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {30003#true} is VALID [2022-04-28 04:00:36,846 INFO L272 TraceCheckUtils]: 4: Hoare triple {30003#true} call #t~ret7 := main(); {30003#true} is VALID [2022-04-28 04:00:36,846 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 04:00:36,846 INFO L290 TraceCheckUtils]: 2: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 04:00:36,846 INFO L290 TraceCheckUtils]: 1: Hoare triple {30003#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 04:00:36,846 INFO L272 TraceCheckUtils]: 0: Hoare triple {30003#true} call ULTIMATE.init(); {30003#true} is VALID [2022-04-28 04:00:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:36,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885595796] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:00:36,847 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:00:36,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 48, 51] total 99 [2022-04-28 04:00:36,847 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:00:36,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [824559255] [2022-04-28 04:00:36,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [824559255] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:00:36,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:00:36,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2022-04-28 04:00:36,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457908505] [2022-04-28 04:00:36,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:00:36,848 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2022-04-28 04:00:36,848 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:00:36,848 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:36,884 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:36,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-04-28 04:00:36,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-04-28 04:00:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2450, Invalid=7252, Unknown=0, NotChecked=0, Total=9702 [2022-04-28 04:00:36,886 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:41,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:41,532 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2022-04-28 04:00:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-04-28 04:00:41,532 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2022-04-28 04:00:41,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:00:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2022-04-28 04:00:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2022-04-28 04:00:41,534 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 49 states and 91 transitions. [2022-04-28 04:00:41,590 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:41,591 INFO L225 Difference]: With dead ends: 129 [2022-04-28 04:00:41,591 INFO L226 Difference]: Without dead ends: 69 [2022-04-28 04:00:41,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1335 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=4852, Invalid=16028, Unknown=0, NotChecked=0, Total=20880 [2022-04-28 04:00:41,593 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-28 04:00:41,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 138 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-28 04:00:41,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-04-28 04:00:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-04-28 04:00:41,651 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:00:41,651 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:41,651 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:41,651 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:41,652 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-04-28 04:00:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-04-28 04:00:41,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:41,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:41,653 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 69 states. [2022-04-28 04:00:41,653 INFO L87 Difference]: Start difference. First operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 69 states. [2022-04-28 04:00:41,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:41,653 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-04-28 04:00:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-04-28 04:00:41,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:41,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:41,654 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:00:41,654 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:00:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-04-28 04:00:41,654 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 58 [2022-04-28 04:00:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:00:41,655 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-04-28 04:00:41,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:41,655 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 68 states and 72 transitions. [2022-04-28 04:00:41,726 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-04-28 04:00:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-28 04:00:41,726 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:00:41,726 INFO L195 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:00:41,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-04-28 04:00:41,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable93 [2022-04-28 04:00:41,927 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:00:41,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:00:41,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1733148862, now seen corresponding path program 91 times [2022-04-28 04:00:41,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:41,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1768938485] [2022-04-28 04:00:42,402 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:00:42,404 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:00:42,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1913735933, now seen corresponding path program 1 times [2022-04-28 04:00:42,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:42,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974183154] [2022-04-28 04:00:42,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:42,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:42,411 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:00:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:42,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:00:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1733148862, now seen corresponding path program 92 times [2022-04-28 04:00:42,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:42,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259957648] [2022-04-28 04:00:42,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:42,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:00:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:43,537 INFO L290 TraceCheckUtils]: 0: Hoare triple {31129#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 04:00:43,537 INFO L290 TraceCheckUtils]: 1: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 04:00:43,537 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 04:00:43,537 INFO L272 TraceCheckUtils]: 0: Hoare triple {31077#true} call ULTIMATE.init(); {31129#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:00:43,538 INFO L290 TraceCheckUtils]: 1: Hoare triple {31129#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 04:00:43,538 INFO L290 TraceCheckUtils]: 2: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 04:00:43,538 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 04:00:43,538 INFO L272 TraceCheckUtils]: 4: Hoare triple {31077#true} call #t~ret7 := main(); {31077#true} is VALID [2022-04-28 04:00:43,538 INFO L290 TraceCheckUtils]: 5: Hoare triple {31077#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {31077#true} is VALID [2022-04-28 04:00:43,538 INFO L290 TraceCheckUtils]: 6: Hoare triple {31077#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {31077#true} is VALID [2022-04-28 04:00:43,538 INFO L290 TraceCheckUtils]: 7: Hoare triple {31077#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {31082#(= main_~z~0 0)} is VALID [2022-04-28 04:00:43,539 INFO L290 TraceCheckUtils]: 8: Hoare triple {31082#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:43,539 INFO L290 TraceCheckUtils]: 9: Hoare triple {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:43,540 INFO L290 TraceCheckUtils]: 10: Hoare triple {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:43,540 INFO L290 TraceCheckUtils]: 11: Hoare triple {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:43,541 INFO L290 TraceCheckUtils]: 12: Hoare triple {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:43,541 INFO L290 TraceCheckUtils]: 13: Hoare triple {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:43,542 INFO L290 TraceCheckUtils]: 14: Hoare triple {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:43,542 INFO L290 TraceCheckUtils]: 15: Hoare triple {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:43,543 INFO L290 TraceCheckUtils]: 16: Hoare triple {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:43,543 INFO L290 TraceCheckUtils]: 17: Hoare triple {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:43,543 INFO L290 TraceCheckUtils]: 18: Hoare triple {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:43,544 INFO L290 TraceCheckUtils]: 19: Hoare triple {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:43,544 INFO L290 TraceCheckUtils]: 20: Hoare triple {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:43,545 INFO L290 TraceCheckUtils]: 21: Hoare triple {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:43,545 INFO L290 TraceCheckUtils]: 22: Hoare triple {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:43,546 INFO L290 TraceCheckUtils]: 23: Hoare triple {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:43,546 INFO L290 TraceCheckUtils]: 24: Hoare triple {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:43,547 INFO L290 TraceCheckUtils]: 25: Hoare triple {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:43,547 INFO L290 TraceCheckUtils]: 26: Hoare triple {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:43,548 INFO L290 TraceCheckUtils]: 27: Hoare triple {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:43,548 INFO L290 TraceCheckUtils]: 28: Hoare triple {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:43,549 INFO L290 TraceCheckUtils]: 29: Hoare triple {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:43,549 INFO L290 TraceCheckUtils]: 30: Hoare triple {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:43,550 INFO L290 TraceCheckUtils]: 31: Hoare triple {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:43,556 INFO L290 TraceCheckUtils]: 32: Hoare triple {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:43,557 INFO L290 TraceCheckUtils]: 33: Hoare triple {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:43,557 INFO L290 TraceCheckUtils]: 34: Hoare triple {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:43,558 INFO L290 TraceCheckUtils]: 35: Hoare triple {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:43,558 INFO L290 TraceCheckUtils]: 36: Hoare triple {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:43,559 INFO L290 TraceCheckUtils]: 37: Hoare triple {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:43,559 INFO L290 TraceCheckUtils]: 38: Hoare triple {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:43,560 INFO L290 TraceCheckUtils]: 39: Hoare triple {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:43,560 INFO L290 TraceCheckUtils]: 40: Hoare triple {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:43,561 INFO L290 TraceCheckUtils]: 41: Hoare triple {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:43,561 INFO L290 TraceCheckUtils]: 42: Hoare triple {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:43,562 INFO L290 TraceCheckUtils]: 43: Hoare triple {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:43,562 INFO L290 TraceCheckUtils]: 44: Hoare triple {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:43,563 INFO L290 TraceCheckUtils]: 45: Hoare triple {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:43,563 INFO L290 TraceCheckUtils]: 46: Hoare triple {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:43,564 INFO L290 TraceCheckUtils]: 47: Hoare triple {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:43,564 INFO L290 TraceCheckUtils]: 48: Hoare triple {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:43,565 INFO L290 TraceCheckUtils]: 49: Hoare triple {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:43,565 INFO L290 TraceCheckUtils]: 50: Hoare triple {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:43,566 INFO L290 TraceCheckUtils]: 51: Hoare triple {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:43,566 INFO L290 TraceCheckUtils]: 52: Hoare triple {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:00:43,567 INFO L290 TraceCheckUtils]: 53: Hoare triple {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31128#(and (<= main_~z~0 46) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:00:43,567 INFO L290 TraceCheckUtils]: 54: Hoare triple {31128#(and (<= main_~z~0 46) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {31078#false} is VALID [2022-04-28 04:00:43,567 INFO L272 TraceCheckUtils]: 55: Hoare triple {31078#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {31078#false} is VALID [2022-04-28 04:00:43,567 INFO L290 TraceCheckUtils]: 56: Hoare triple {31078#false} ~cond := #in~cond; {31078#false} is VALID [2022-04-28 04:00:43,567 INFO L290 TraceCheckUtils]: 57: Hoare triple {31078#false} assume 0 == ~cond; {31078#false} is VALID [2022-04-28 04:00:43,567 INFO L290 TraceCheckUtils]: 58: Hoare triple {31078#false} assume !false; {31078#false} is VALID [2022-04-28 04:00:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:43,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:00:43,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259957648] [2022-04-28 04:00:43,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259957648] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:00:43,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060881000] [2022-04-28 04:00:43,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 04:00:43,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:00:43,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:00:43,569 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:00:43,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-04-28 04:00:43,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 04:00:43,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:00:43,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 95 conjunts are in the unsatisfiable core [2022-04-28 04:00:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:43,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:00:44,232 INFO L272 TraceCheckUtils]: 0: Hoare triple {31077#true} call ULTIMATE.init(); {31077#true} is VALID [2022-04-28 04:00:44,232 INFO L290 TraceCheckUtils]: 1: Hoare triple {31077#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 04:00:44,232 INFO L290 TraceCheckUtils]: 2: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 04:00:44,232 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 04:00:44,232 INFO L272 TraceCheckUtils]: 4: Hoare triple {31077#true} call #t~ret7 := main(); {31077#true} is VALID [2022-04-28 04:00:44,232 INFO L290 TraceCheckUtils]: 5: Hoare triple {31077#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {31077#true} is VALID [2022-04-28 04:00:44,232 INFO L290 TraceCheckUtils]: 6: Hoare triple {31077#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {31077#true} is VALID [2022-04-28 04:00:44,243 INFO L290 TraceCheckUtils]: 7: Hoare triple {31077#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {31082#(= main_~z~0 0)} is VALID [2022-04-28 04:00:44,244 INFO L290 TraceCheckUtils]: 8: Hoare triple {31082#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:44,244 INFO L290 TraceCheckUtils]: 9: Hoare triple {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:44,245 INFO L290 TraceCheckUtils]: 10: Hoare triple {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:44,245 INFO L290 TraceCheckUtils]: 11: Hoare triple {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:44,246 INFO L290 TraceCheckUtils]: 12: Hoare triple {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:44,246 INFO L290 TraceCheckUtils]: 13: Hoare triple {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:44,247 INFO L290 TraceCheckUtils]: 14: Hoare triple {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:44,247 INFO L290 TraceCheckUtils]: 15: Hoare triple {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:44,248 INFO L290 TraceCheckUtils]: 16: Hoare triple {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:44,248 INFO L290 TraceCheckUtils]: 17: Hoare triple {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:44,249 INFO L290 TraceCheckUtils]: 18: Hoare triple {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:44,249 INFO L290 TraceCheckUtils]: 19: Hoare triple {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:44,250 INFO L290 TraceCheckUtils]: 20: Hoare triple {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:44,251 INFO L290 TraceCheckUtils]: 21: Hoare triple {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:44,251 INFO L290 TraceCheckUtils]: 22: Hoare triple {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:44,252 INFO L290 TraceCheckUtils]: 23: Hoare triple {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:44,252 INFO L290 TraceCheckUtils]: 24: Hoare triple {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:44,253 INFO L290 TraceCheckUtils]: 25: Hoare triple {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:44,253 INFO L290 TraceCheckUtils]: 26: Hoare triple {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:44,254 INFO L290 TraceCheckUtils]: 27: Hoare triple {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:44,254 INFO L290 TraceCheckUtils]: 28: Hoare triple {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:44,255 INFO L290 TraceCheckUtils]: 29: Hoare triple {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:44,255 INFO L290 TraceCheckUtils]: 30: Hoare triple {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:44,256 INFO L290 TraceCheckUtils]: 31: Hoare triple {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:44,256 INFO L290 TraceCheckUtils]: 32: Hoare triple {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:44,257 INFO L290 TraceCheckUtils]: 33: Hoare triple {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:44,257 INFO L290 TraceCheckUtils]: 34: Hoare triple {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:44,258 INFO L290 TraceCheckUtils]: 35: Hoare triple {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:44,258 INFO L290 TraceCheckUtils]: 36: Hoare triple {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:44,259 INFO L290 TraceCheckUtils]: 37: Hoare triple {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:44,259 INFO L290 TraceCheckUtils]: 38: Hoare triple {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:44,260 INFO L290 TraceCheckUtils]: 39: Hoare triple {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:44,260 INFO L290 TraceCheckUtils]: 40: Hoare triple {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:44,261 INFO L290 TraceCheckUtils]: 41: Hoare triple {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:44,261 INFO L290 TraceCheckUtils]: 42: Hoare triple {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:44,262 INFO L290 TraceCheckUtils]: 43: Hoare triple {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:44,262 INFO L290 TraceCheckUtils]: 44: Hoare triple {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:44,263 INFO L290 TraceCheckUtils]: 45: Hoare triple {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:44,276 INFO L290 TraceCheckUtils]: 46: Hoare triple {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:44,276 INFO L290 TraceCheckUtils]: 47: Hoare triple {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:44,277 INFO L290 TraceCheckUtils]: 48: Hoare triple {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:44,277 INFO L290 TraceCheckUtils]: 49: Hoare triple {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:44,278 INFO L290 TraceCheckUtils]: 50: Hoare triple {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:44,278 INFO L290 TraceCheckUtils]: 51: Hoare triple {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:44,279 INFO L290 TraceCheckUtils]: 52: Hoare triple {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:00:44,279 INFO L290 TraceCheckUtils]: 53: Hoare triple {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31292#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:00:44,280 INFO L290 TraceCheckUtils]: 54: Hoare triple {31292#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !(~z~0 % 4294967296 < 268435455); {31078#false} is VALID [2022-04-28 04:00:44,280 INFO L272 TraceCheckUtils]: 55: Hoare triple {31078#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {31078#false} is VALID [2022-04-28 04:00:44,280 INFO L290 TraceCheckUtils]: 56: Hoare triple {31078#false} ~cond := #in~cond; {31078#false} is VALID [2022-04-28 04:00:44,280 INFO L290 TraceCheckUtils]: 57: Hoare triple {31078#false} assume 0 == ~cond; {31078#false} is VALID [2022-04-28 04:00:44,280 INFO L290 TraceCheckUtils]: 58: Hoare triple {31078#false} assume !false; {31078#false} is VALID [2022-04-28 04:00:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:44,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:00:47,655 INFO L290 TraceCheckUtils]: 58: Hoare triple {31078#false} assume !false; {31078#false} is VALID [2022-04-28 04:00:47,656 INFO L290 TraceCheckUtils]: 57: Hoare triple {31078#false} assume 0 == ~cond; {31078#false} is VALID [2022-04-28 04:00:47,656 INFO L290 TraceCheckUtils]: 56: Hoare triple {31078#false} ~cond := #in~cond; {31078#false} is VALID [2022-04-28 04:00:47,656 INFO L272 TraceCheckUtils]: 55: Hoare triple {31078#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {31078#false} is VALID [2022-04-28 04:00:47,663 INFO L290 TraceCheckUtils]: 54: Hoare triple {31320#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {31078#false} is VALID [2022-04-28 04:00:47,664 INFO L290 TraceCheckUtils]: 53: Hoare triple {31324#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31320#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,664 INFO L290 TraceCheckUtils]: 52: Hoare triple {31328#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31324#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,665 INFO L290 TraceCheckUtils]: 51: Hoare triple {31332#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31328#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,665 INFO L290 TraceCheckUtils]: 50: Hoare triple {31336#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31332#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,666 INFO L290 TraceCheckUtils]: 49: Hoare triple {31340#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31336#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,667 INFO L290 TraceCheckUtils]: 48: Hoare triple {31344#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31340#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,667 INFO L290 TraceCheckUtils]: 47: Hoare triple {31348#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31344#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,668 INFO L290 TraceCheckUtils]: 46: Hoare triple {31352#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31348#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,669 INFO L290 TraceCheckUtils]: 45: Hoare triple {31356#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31352#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,669 INFO L290 TraceCheckUtils]: 44: Hoare triple {31360#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31356#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,670 INFO L290 TraceCheckUtils]: 43: Hoare triple {31364#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31360#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,670 INFO L290 TraceCheckUtils]: 42: Hoare triple {31368#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31364#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,671 INFO L290 TraceCheckUtils]: 41: Hoare triple {31372#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31368#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,671 INFO L290 TraceCheckUtils]: 40: Hoare triple {31376#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31372#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,672 INFO L290 TraceCheckUtils]: 39: Hoare triple {31380#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31376#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,673 INFO L290 TraceCheckUtils]: 38: Hoare triple {31384#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31380#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,673 INFO L290 TraceCheckUtils]: 37: Hoare triple {31388#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31384#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,674 INFO L290 TraceCheckUtils]: 36: Hoare triple {31392#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31388#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,674 INFO L290 TraceCheckUtils]: 35: Hoare triple {31396#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31392#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,675 INFO L290 TraceCheckUtils]: 34: Hoare triple {31400#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31396#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,676 INFO L290 TraceCheckUtils]: 33: Hoare triple {31404#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31400#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,676 INFO L290 TraceCheckUtils]: 32: Hoare triple {31408#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31404#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,677 INFO L290 TraceCheckUtils]: 31: Hoare triple {31412#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31408#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,677 INFO L290 TraceCheckUtils]: 30: Hoare triple {31416#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31412#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,678 INFO L290 TraceCheckUtils]: 29: Hoare triple {31420#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31416#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,679 INFO L290 TraceCheckUtils]: 28: Hoare triple {31424#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31420#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,679 INFO L290 TraceCheckUtils]: 27: Hoare triple {31428#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31424#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,680 INFO L290 TraceCheckUtils]: 26: Hoare triple {31432#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31428#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,680 INFO L290 TraceCheckUtils]: 25: Hoare triple {31436#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31432#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,681 INFO L290 TraceCheckUtils]: 24: Hoare triple {31440#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31436#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,682 INFO L290 TraceCheckUtils]: 23: Hoare triple {31444#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31440#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,682 INFO L290 TraceCheckUtils]: 22: Hoare triple {31448#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31444#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,683 INFO L290 TraceCheckUtils]: 21: Hoare triple {31452#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31448#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,683 INFO L290 TraceCheckUtils]: 20: Hoare triple {31456#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31452#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,684 INFO L290 TraceCheckUtils]: 19: Hoare triple {31460#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31456#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,684 INFO L290 TraceCheckUtils]: 18: Hoare triple {31464#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31460#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,685 INFO L290 TraceCheckUtils]: 17: Hoare triple {31468#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31464#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,686 INFO L290 TraceCheckUtils]: 16: Hoare triple {31472#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31468#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,686 INFO L290 TraceCheckUtils]: 15: Hoare triple {31476#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31472#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,687 INFO L290 TraceCheckUtils]: 14: Hoare triple {31480#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31476#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,687 INFO L290 TraceCheckUtils]: 13: Hoare triple {31484#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31480#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,688 INFO L290 TraceCheckUtils]: 12: Hoare triple {31488#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31484#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,689 INFO L290 TraceCheckUtils]: 11: Hoare triple {31492#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31488#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,689 INFO L290 TraceCheckUtils]: 10: Hoare triple {31496#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31492#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,690 INFO L290 TraceCheckUtils]: 9: Hoare triple {31500#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31496#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,690 INFO L290 TraceCheckUtils]: 8: Hoare triple {31504#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31500#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,691 INFO L290 TraceCheckUtils]: 7: Hoare triple {31077#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {31504#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:00:47,691 INFO L290 TraceCheckUtils]: 6: Hoare triple {31077#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {31077#true} is VALID [2022-04-28 04:00:47,691 INFO L290 TraceCheckUtils]: 5: Hoare triple {31077#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {31077#true} is VALID [2022-04-28 04:00:47,691 INFO L272 TraceCheckUtils]: 4: Hoare triple {31077#true} call #t~ret7 := main(); {31077#true} is VALID [2022-04-28 04:00:47,691 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 04:00:47,691 INFO L290 TraceCheckUtils]: 2: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 04:00:47,691 INFO L290 TraceCheckUtils]: 1: Hoare triple {31077#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 04:00:47,691 INFO L272 TraceCheckUtils]: 0: Hoare triple {31077#true} call ULTIMATE.init(); {31077#true} is VALID [2022-04-28 04:00:47,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:47,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060881000] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:00:47,692 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:00:47,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 98 [2022-04-28 04:00:47,692 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:00:47,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1768938485] [2022-04-28 04:00:47,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1768938485] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:00:47,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:00:47,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2022-04-28 04:00:47,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112572568] [2022-04-28 04:00:47,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:00:47,693 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-04-28 04:00:47,693 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:00:47,693 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:47,723 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:47,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-04-28 04:00:47,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-04-28 04:00:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2496, Invalid=7010, Unknown=0, NotChecked=0, Total=9506 [2022-04-28 04:00:47,724 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:52,301 INFO L93 Difference]: Finished difference Result 131 states and 140 transitions. [2022-04-28 04:00:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-04-28 04:00:52,302 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-04-28 04:00:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:00:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 92 transitions. [2022-04-28 04:00:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 92 transitions. [2022-04-28 04:00:52,304 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 50 states and 92 transitions. [2022-04-28 04:00:52,368 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:52,368 INFO L225 Difference]: With dead ends: 131 [2022-04-28 04:00:52,368 INFO L226 Difference]: Without dead ends: 70 [2022-04-28 04:00:52,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=4985, Invalid=15895, Unknown=0, NotChecked=0, Total=20880 [2022-04-28 04:00:52,370 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-28 04:00:52,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 98 Invalid, 2582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-28 04:00:52,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-04-28 04:00:52,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2022-04-28 04:00:52,430 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:00:52,430 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:52,430 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:52,430 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:52,431 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-04-28 04:00:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-04-28 04:00:52,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:52,431 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:52,431 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 70 states. [2022-04-28 04:00:52,431 INFO L87 Difference]: Start difference. First operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 70 states. [2022-04-28 04:00:52,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:00:52,432 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-04-28 04:00:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-04-28 04:00:52,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:00:52,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:00:52,432 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:00:52,432 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:00:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:00:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2022-04-28 04:00:52,433 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 59 [2022-04-28 04:00:52,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:00:52,433 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2022-04-28 04:00:52,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:00:52,434 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 69 states and 73 transitions. [2022-04-28 04:00:52,514 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:00:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-04-28 04:00:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-28 04:00:52,514 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:00:52,514 INFO L195 NwaCegarLoop]: trace histogram [47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:00:52,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-04-28 04:00:52,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:00:52,715 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:00:52,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:00:52,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2133262690, now seen corresponding path program 93 times [2022-04-28 04:00:52,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:00:52,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [873605085] [2022-04-28 04:00:57,187 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:00:57,316 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:00:57,317 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:00:57,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1854630589, now seen corresponding path program 1 times [2022-04-28 04:00:57,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:57,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919278068] [2022-04-28 04:00:57,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:57,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:57,324 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:00:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:00:57,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:00:57,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2133262690, now seen corresponding path program 94 times [2022-04-28 04:00:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:00:57,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735700046] [2022-04-28 04:00:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:00:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:00:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:00:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:58,476 INFO L290 TraceCheckUtils]: 0: Hoare triple {32219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 04:00:58,476 INFO L290 TraceCheckUtils]: 1: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 04:00:58,476 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L272 TraceCheckUtils]: 0: Hoare triple {32166#true} call ULTIMATE.init(); {32219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:00:58,477 INFO L290 TraceCheckUtils]: 1: Hoare triple {32219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L290 TraceCheckUtils]: 2: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L272 TraceCheckUtils]: 4: Hoare triple {32166#true} call #t~ret7 := main(); {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L290 TraceCheckUtils]: 5: Hoare triple {32166#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L290 TraceCheckUtils]: 6: Hoare triple {32166#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {32166#true} is VALID [2022-04-28 04:00:58,477 INFO L290 TraceCheckUtils]: 7: Hoare triple {32166#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {32171#(= main_~z~0 0)} is VALID [2022-04-28 04:00:58,478 INFO L290 TraceCheckUtils]: 8: Hoare triple {32171#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:58,479 INFO L290 TraceCheckUtils]: 9: Hoare triple {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:58,479 INFO L290 TraceCheckUtils]: 10: Hoare triple {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:58,480 INFO L290 TraceCheckUtils]: 11: Hoare triple {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:58,480 INFO L290 TraceCheckUtils]: 12: Hoare triple {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:58,481 INFO L290 TraceCheckUtils]: 13: Hoare triple {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:58,481 INFO L290 TraceCheckUtils]: 14: Hoare triple {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:58,481 INFO L290 TraceCheckUtils]: 15: Hoare triple {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:58,482 INFO L290 TraceCheckUtils]: 16: Hoare triple {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:58,482 INFO L290 TraceCheckUtils]: 17: Hoare triple {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:58,483 INFO L290 TraceCheckUtils]: 18: Hoare triple {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:58,483 INFO L290 TraceCheckUtils]: 19: Hoare triple {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:58,484 INFO L290 TraceCheckUtils]: 20: Hoare triple {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:58,484 INFO L290 TraceCheckUtils]: 21: Hoare triple {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:58,485 INFO L290 TraceCheckUtils]: 22: Hoare triple {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:58,485 INFO L290 TraceCheckUtils]: 23: Hoare triple {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:58,486 INFO L290 TraceCheckUtils]: 24: Hoare triple {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:58,486 INFO L290 TraceCheckUtils]: 25: Hoare triple {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:58,487 INFO L290 TraceCheckUtils]: 26: Hoare triple {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:58,487 INFO L290 TraceCheckUtils]: 27: Hoare triple {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:58,488 INFO L290 TraceCheckUtils]: 28: Hoare triple {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:58,488 INFO L290 TraceCheckUtils]: 29: Hoare triple {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:58,489 INFO L290 TraceCheckUtils]: 30: Hoare triple {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:58,489 INFO L290 TraceCheckUtils]: 31: Hoare triple {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:58,489 INFO L290 TraceCheckUtils]: 32: Hoare triple {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:58,490 INFO L290 TraceCheckUtils]: 33: Hoare triple {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:58,490 INFO L290 TraceCheckUtils]: 34: Hoare triple {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:58,491 INFO L290 TraceCheckUtils]: 35: Hoare triple {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:58,491 INFO L290 TraceCheckUtils]: 36: Hoare triple {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:58,492 INFO L290 TraceCheckUtils]: 37: Hoare triple {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:58,492 INFO L290 TraceCheckUtils]: 38: Hoare triple {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:58,493 INFO L290 TraceCheckUtils]: 39: Hoare triple {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:58,493 INFO L290 TraceCheckUtils]: 40: Hoare triple {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:58,494 INFO L290 TraceCheckUtils]: 41: Hoare triple {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:58,494 INFO L290 TraceCheckUtils]: 42: Hoare triple {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:58,495 INFO L290 TraceCheckUtils]: 43: Hoare triple {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:58,495 INFO L290 TraceCheckUtils]: 44: Hoare triple {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:58,496 INFO L290 TraceCheckUtils]: 45: Hoare triple {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:58,496 INFO L290 TraceCheckUtils]: 46: Hoare triple {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:58,497 INFO L290 TraceCheckUtils]: 47: Hoare triple {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:58,497 INFO L290 TraceCheckUtils]: 48: Hoare triple {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:58,497 INFO L290 TraceCheckUtils]: 49: Hoare triple {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:58,498 INFO L290 TraceCheckUtils]: 50: Hoare triple {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:58,498 INFO L290 TraceCheckUtils]: 51: Hoare triple {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:58,499 INFO L290 TraceCheckUtils]: 52: Hoare triple {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:00:58,499 INFO L290 TraceCheckUtils]: 53: Hoare triple {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:00:58,500 INFO L290 TraceCheckUtils]: 54: Hoare triple {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32218#(and (<= main_~z~0 47) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:00:58,500 INFO L290 TraceCheckUtils]: 55: Hoare triple {32218#(and (<= main_~z~0 47) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {32167#false} is VALID [2022-04-28 04:00:58,500 INFO L272 TraceCheckUtils]: 56: Hoare triple {32167#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {32167#false} is VALID [2022-04-28 04:00:58,500 INFO L290 TraceCheckUtils]: 57: Hoare triple {32167#false} ~cond := #in~cond; {32167#false} is VALID [2022-04-28 04:00:58,501 INFO L290 TraceCheckUtils]: 58: Hoare triple {32167#false} assume 0 == ~cond; {32167#false} is VALID [2022-04-28 04:00:58,501 INFO L290 TraceCheckUtils]: 59: Hoare triple {32167#false} assume !false; {32167#false} is VALID [2022-04-28 04:00:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:58,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:00:58,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735700046] [2022-04-28 04:00:58,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735700046] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:00:58,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839677905] [2022-04-28 04:00:58,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:00:58,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:00:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:00:58,502 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:00:58,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-04-28 04:00:58,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:00:58,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:00:58,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 97 conjunts are in the unsatisfiable core [2022-04-28 04:00:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:00:58,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:00:59,183 INFO L272 TraceCheckUtils]: 0: Hoare triple {32166#true} call ULTIMATE.init(); {32166#true} is VALID [2022-04-28 04:00:59,183 INFO L290 TraceCheckUtils]: 1: Hoare triple {32166#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 04:00:59,183 INFO L290 TraceCheckUtils]: 2: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 04:00:59,183 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 04:00:59,183 INFO L272 TraceCheckUtils]: 4: Hoare triple {32166#true} call #t~ret7 := main(); {32166#true} is VALID [2022-04-28 04:00:59,183 INFO L290 TraceCheckUtils]: 5: Hoare triple {32166#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {32166#true} is VALID [2022-04-28 04:00:59,184 INFO L290 TraceCheckUtils]: 6: Hoare triple {32166#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {32166#true} is VALID [2022-04-28 04:00:59,184 INFO L290 TraceCheckUtils]: 7: Hoare triple {32166#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {32171#(= main_~z~0 0)} is VALID [2022-04-28 04:00:59,184 INFO L290 TraceCheckUtils]: 8: Hoare triple {32171#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:00:59,185 INFO L290 TraceCheckUtils]: 9: Hoare triple {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:00:59,185 INFO L290 TraceCheckUtils]: 10: Hoare triple {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:00:59,186 INFO L290 TraceCheckUtils]: 11: Hoare triple {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:00:59,186 INFO L290 TraceCheckUtils]: 12: Hoare triple {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:00:59,187 INFO L290 TraceCheckUtils]: 13: Hoare triple {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:00:59,187 INFO L290 TraceCheckUtils]: 14: Hoare triple {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:00:59,188 INFO L290 TraceCheckUtils]: 15: Hoare triple {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:00:59,188 INFO L290 TraceCheckUtils]: 16: Hoare triple {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:00:59,189 INFO L290 TraceCheckUtils]: 17: Hoare triple {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:00:59,189 INFO L290 TraceCheckUtils]: 18: Hoare triple {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:00:59,189 INFO L290 TraceCheckUtils]: 19: Hoare triple {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:00:59,190 INFO L290 TraceCheckUtils]: 20: Hoare triple {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:00:59,190 INFO L290 TraceCheckUtils]: 21: Hoare triple {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:00:59,191 INFO L290 TraceCheckUtils]: 22: Hoare triple {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:00:59,191 INFO L290 TraceCheckUtils]: 23: Hoare triple {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:00:59,192 INFO L290 TraceCheckUtils]: 24: Hoare triple {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:00:59,192 INFO L290 TraceCheckUtils]: 25: Hoare triple {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:00:59,193 INFO L290 TraceCheckUtils]: 26: Hoare triple {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:00:59,193 INFO L290 TraceCheckUtils]: 27: Hoare triple {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:00:59,194 INFO L290 TraceCheckUtils]: 28: Hoare triple {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:00:59,194 INFO L290 TraceCheckUtils]: 29: Hoare triple {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:00:59,195 INFO L290 TraceCheckUtils]: 30: Hoare triple {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:00:59,195 INFO L290 TraceCheckUtils]: 31: Hoare triple {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:00:59,196 INFO L290 TraceCheckUtils]: 32: Hoare triple {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:00:59,196 INFO L290 TraceCheckUtils]: 33: Hoare triple {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:00:59,197 INFO L290 TraceCheckUtils]: 34: Hoare triple {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:00:59,197 INFO L290 TraceCheckUtils]: 35: Hoare triple {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:00:59,198 INFO L290 TraceCheckUtils]: 36: Hoare triple {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:00:59,198 INFO L290 TraceCheckUtils]: 37: Hoare triple {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:00:59,199 INFO L290 TraceCheckUtils]: 38: Hoare triple {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:00:59,199 INFO L290 TraceCheckUtils]: 39: Hoare triple {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:00:59,200 INFO L290 TraceCheckUtils]: 40: Hoare triple {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:00:59,200 INFO L290 TraceCheckUtils]: 41: Hoare triple {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:00:59,201 INFO L290 TraceCheckUtils]: 42: Hoare triple {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:00:59,201 INFO L290 TraceCheckUtils]: 43: Hoare triple {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:00:59,202 INFO L290 TraceCheckUtils]: 44: Hoare triple {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:00:59,202 INFO L290 TraceCheckUtils]: 45: Hoare triple {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:00:59,203 INFO L290 TraceCheckUtils]: 46: Hoare triple {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:00:59,203 INFO L290 TraceCheckUtils]: 47: Hoare triple {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:00:59,204 INFO L290 TraceCheckUtils]: 48: Hoare triple {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:00:59,204 INFO L290 TraceCheckUtils]: 49: Hoare triple {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:00:59,205 INFO L290 TraceCheckUtils]: 50: Hoare triple {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:00:59,205 INFO L290 TraceCheckUtils]: 51: Hoare triple {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:00:59,206 INFO L290 TraceCheckUtils]: 52: Hoare triple {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:00:59,206 INFO L290 TraceCheckUtils]: 53: Hoare triple {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:00:59,207 INFO L290 TraceCheckUtils]: 54: Hoare triple {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32385#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:00:59,207 INFO L290 TraceCheckUtils]: 55: Hoare triple {32385#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {32167#false} is VALID [2022-04-28 04:00:59,207 INFO L272 TraceCheckUtils]: 56: Hoare triple {32167#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {32167#false} is VALID [2022-04-28 04:00:59,207 INFO L290 TraceCheckUtils]: 57: Hoare triple {32167#false} ~cond := #in~cond; {32167#false} is VALID [2022-04-28 04:00:59,207 INFO L290 TraceCheckUtils]: 58: Hoare triple {32167#false} assume 0 == ~cond; {32167#false} is VALID [2022-04-28 04:00:59,207 INFO L290 TraceCheckUtils]: 59: Hoare triple {32167#false} assume !false; {32167#false} is VALID [2022-04-28 04:00:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:00:59,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:01:02,691 INFO L290 TraceCheckUtils]: 59: Hoare triple {32167#false} assume !false; {32167#false} is VALID [2022-04-28 04:01:02,691 INFO L290 TraceCheckUtils]: 58: Hoare triple {32167#false} assume 0 == ~cond; {32167#false} is VALID [2022-04-28 04:01:02,692 INFO L290 TraceCheckUtils]: 57: Hoare triple {32167#false} ~cond := #in~cond; {32167#false} is VALID [2022-04-28 04:01:02,692 INFO L272 TraceCheckUtils]: 56: Hoare triple {32167#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {32167#false} is VALID [2022-04-28 04:01:02,700 INFO L290 TraceCheckUtils]: 55: Hoare triple {32413#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {32167#false} is VALID [2022-04-28 04:01:02,701 INFO L290 TraceCheckUtils]: 54: Hoare triple {32417#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32413#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,702 INFO L290 TraceCheckUtils]: 53: Hoare triple {32421#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32417#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,703 INFO L290 TraceCheckUtils]: 52: Hoare triple {32425#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32421#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,703 INFO L290 TraceCheckUtils]: 51: Hoare triple {32429#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32425#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,704 INFO L290 TraceCheckUtils]: 50: Hoare triple {32433#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32429#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,704 INFO L290 TraceCheckUtils]: 49: Hoare triple {32437#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32433#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,705 INFO L290 TraceCheckUtils]: 48: Hoare triple {32441#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32437#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,706 INFO L290 TraceCheckUtils]: 47: Hoare triple {32445#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32441#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,707 INFO L290 TraceCheckUtils]: 46: Hoare triple {32449#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32445#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,710 INFO L290 TraceCheckUtils]: 45: Hoare triple {32453#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32449#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,711 INFO L290 TraceCheckUtils]: 44: Hoare triple {32457#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32453#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,711 INFO L290 TraceCheckUtils]: 43: Hoare triple {32461#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32457#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,712 INFO L290 TraceCheckUtils]: 42: Hoare triple {32465#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32461#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,713 INFO L290 TraceCheckUtils]: 41: Hoare triple {32469#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32465#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,713 INFO L290 TraceCheckUtils]: 40: Hoare triple {32473#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32469#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,714 INFO L290 TraceCheckUtils]: 39: Hoare triple {32477#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32473#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,715 INFO L290 TraceCheckUtils]: 38: Hoare triple {32481#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32477#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,715 INFO L290 TraceCheckUtils]: 37: Hoare triple {32485#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32481#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,716 INFO L290 TraceCheckUtils]: 36: Hoare triple {32489#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32485#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,716 INFO L290 TraceCheckUtils]: 35: Hoare triple {32493#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32489#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,717 INFO L290 TraceCheckUtils]: 34: Hoare triple {32497#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32493#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,718 INFO L290 TraceCheckUtils]: 33: Hoare triple {32501#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32497#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,718 INFO L290 TraceCheckUtils]: 32: Hoare triple {32505#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32501#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,719 INFO L290 TraceCheckUtils]: 31: Hoare triple {32509#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32505#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,720 INFO L290 TraceCheckUtils]: 30: Hoare triple {32513#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32509#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,720 INFO L290 TraceCheckUtils]: 29: Hoare triple {32517#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32513#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,721 INFO L290 TraceCheckUtils]: 28: Hoare triple {32521#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32517#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,722 INFO L290 TraceCheckUtils]: 27: Hoare triple {32525#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32521#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,722 INFO L290 TraceCheckUtils]: 26: Hoare triple {32529#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32525#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,723 INFO L290 TraceCheckUtils]: 25: Hoare triple {32533#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32529#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,723 INFO L290 TraceCheckUtils]: 24: Hoare triple {32537#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32533#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,724 INFO L290 TraceCheckUtils]: 23: Hoare triple {32541#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32537#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,725 INFO L290 TraceCheckUtils]: 22: Hoare triple {32545#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32541#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,725 INFO L290 TraceCheckUtils]: 21: Hoare triple {32549#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32545#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,726 INFO L290 TraceCheckUtils]: 20: Hoare triple {32553#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32549#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,727 INFO L290 TraceCheckUtils]: 19: Hoare triple {32557#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32553#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,727 INFO L290 TraceCheckUtils]: 18: Hoare triple {32561#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32557#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,728 INFO L290 TraceCheckUtils]: 17: Hoare triple {32565#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32561#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,728 INFO L290 TraceCheckUtils]: 16: Hoare triple {32569#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32565#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,729 INFO L290 TraceCheckUtils]: 15: Hoare triple {32573#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32569#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,730 INFO L290 TraceCheckUtils]: 14: Hoare triple {32577#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32573#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,730 INFO L290 TraceCheckUtils]: 13: Hoare triple {32581#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32577#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,731 INFO L290 TraceCheckUtils]: 12: Hoare triple {32585#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32581#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,732 INFO L290 TraceCheckUtils]: 11: Hoare triple {32589#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32585#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,732 INFO L290 TraceCheckUtils]: 10: Hoare triple {32593#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32589#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,733 INFO L290 TraceCheckUtils]: 9: Hoare triple {32597#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32593#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,734 INFO L290 TraceCheckUtils]: 8: Hoare triple {32601#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32597#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,734 INFO L290 TraceCheckUtils]: 7: Hoare triple {32166#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {32601#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:01:02,734 INFO L290 TraceCheckUtils]: 6: Hoare triple {32166#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {32166#true} is VALID [2022-04-28 04:01:02,734 INFO L290 TraceCheckUtils]: 5: Hoare triple {32166#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {32166#true} is VALID [2022-04-28 04:01:02,734 INFO L272 TraceCheckUtils]: 4: Hoare triple {32166#true} call #t~ret7 := main(); {32166#true} is VALID [2022-04-28 04:01:02,734 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 04:01:02,734 INFO L290 TraceCheckUtils]: 2: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 04:01:02,734 INFO L290 TraceCheckUtils]: 1: Hoare triple {32166#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 04:01:02,734 INFO L272 TraceCheckUtils]: 0: Hoare triple {32166#true} call ULTIMATE.init(); {32166#true} is VALID [2022-04-28 04:01:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:02,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839677905] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:01:02,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:01:02,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 50, 50] total 100 [2022-04-28 04:01:02,735 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:01:02,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [873605085] [2022-04-28 04:01:02,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [873605085] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:01:02,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:01:02,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2022-04-28 04:01:02,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599718746] [2022-04-28 04:01:02,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:01:02,736 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-04-28 04:01:02,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:01:02,736 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:02,767 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:02,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-04-28 04:01:02,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:02,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-04-28 04:01:02,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2597, Invalid=7303, Unknown=0, NotChecked=0, Total=9900 [2022-04-28 04:01:02,769 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:07,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:07,990 INFO L93 Difference]: Finished difference Result 133 states and 142 transitions. [2022-04-28 04:01:07,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-04-28 04:01:07,990 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-04-28 04:01:07,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:01:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 93 transitions. [2022-04-28 04:01:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 93 transitions. [2022-04-28 04:01:07,992 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 51 states and 93 transitions. [2022-04-28 04:01:08,056 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:08,056 INFO L225 Difference]: With dead ends: 133 [2022-04-28 04:01:08,056 INFO L226 Difference]: Without dead ends: 71 [2022-04-28 04:01:08,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=5187, Invalid=16569, Unknown=0, NotChecked=0, Total=21756 [2022-04-28 04:01:08,061 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-28 04:01:08,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 213 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-04-28 04:01:08,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-04-28 04:01:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2022-04-28 04:01:08,124 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:01:08,125 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:08,125 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:08,125 INFO L87 Difference]: Start difference. First operand 71 states. Second operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:08,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:08,126 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2022-04-28 04:01:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-04-28 04:01:08,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:01:08,126 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:01:08,126 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 71 states. [2022-04-28 04:01:08,126 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 71 states. [2022-04-28 04:01:08,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:08,136 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2022-04-28 04:01:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-04-28 04:01:08,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:01:08,136 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:01:08,136 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:01:08,136 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:01:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-04-28 04:01:08,137 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 60 [2022-04-28 04:01:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:01:08,137 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-04-28 04:01:08,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:08,137 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 70 states and 74 transitions. [2022-04-28 04:01:08,203 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-04-28 04:01:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-28 04:01:08,204 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:01:08,204 INFO L195 NwaCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:01:08,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2022-04-28 04:01:08,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:01:08,404 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:01:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:01:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1732936514, now seen corresponding path program 95 times [2022-04-28 04:01:08,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:08,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [292105086] [2022-04-28 04:01:10,968 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:01:11,105 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:01:11,106 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:01:11,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1795525245, now seen corresponding path program 1 times [2022-04-28 04:01:11,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:01:11,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812788582] [2022-04-28 04:01:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:01:11,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:01:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:01:11,113 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:01:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:01:11,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:01:11,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1732936514, now seen corresponding path program 96 times [2022-04-28 04:01:11,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:01:11,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040751609] [2022-04-28 04:01:11,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:01:11,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:01:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:01:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:12,333 INFO L290 TraceCheckUtils]: 0: Hoare triple {33327#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 04:01:12,333 INFO L290 TraceCheckUtils]: 1: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 04:01:12,333 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L272 TraceCheckUtils]: 0: Hoare triple {33273#true} call ULTIMATE.init(); {33327#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:01:12,334 INFO L290 TraceCheckUtils]: 1: Hoare triple {33327#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L290 TraceCheckUtils]: 2: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L272 TraceCheckUtils]: 4: Hoare triple {33273#true} call #t~ret7 := main(); {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L290 TraceCheckUtils]: 5: Hoare triple {33273#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L290 TraceCheckUtils]: 6: Hoare triple {33273#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {33273#true} is VALID [2022-04-28 04:01:12,334 INFO L290 TraceCheckUtils]: 7: Hoare triple {33273#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {33278#(= main_~z~0 0)} is VALID [2022-04-28 04:01:12,335 INFO L290 TraceCheckUtils]: 8: Hoare triple {33278#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:01:12,335 INFO L290 TraceCheckUtils]: 9: Hoare triple {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:01:12,336 INFO L290 TraceCheckUtils]: 10: Hoare triple {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:01:12,336 INFO L290 TraceCheckUtils]: 11: Hoare triple {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:01:12,337 INFO L290 TraceCheckUtils]: 12: Hoare triple {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:01:12,337 INFO L290 TraceCheckUtils]: 13: Hoare triple {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:01:12,338 INFO L290 TraceCheckUtils]: 14: Hoare triple {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:01:12,338 INFO L290 TraceCheckUtils]: 15: Hoare triple {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:01:12,339 INFO L290 TraceCheckUtils]: 16: Hoare triple {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:01:12,339 INFO L290 TraceCheckUtils]: 17: Hoare triple {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:01:12,340 INFO L290 TraceCheckUtils]: 18: Hoare triple {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:01:12,340 INFO L290 TraceCheckUtils]: 19: Hoare triple {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:01:12,340 INFO L290 TraceCheckUtils]: 20: Hoare triple {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:01:12,341 INFO L290 TraceCheckUtils]: 21: Hoare triple {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:01:12,341 INFO L290 TraceCheckUtils]: 22: Hoare triple {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:01:12,342 INFO L290 TraceCheckUtils]: 23: Hoare triple {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:01:12,342 INFO L290 TraceCheckUtils]: 24: Hoare triple {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:01:12,343 INFO L290 TraceCheckUtils]: 25: Hoare triple {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:01:12,343 INFO L290 TraceCheckUtils]: 26: Hoare triple {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:01:12,344 INFO L290 TraceCheckUtils]: 27: Hoare triple {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:01:12,344 INFO L290 TraceCheckUtils]: 28: Hoare triple {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:01:12,345 INFO L290 TraceCheckUtils]: 29: Hoare triple {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:01:12,345 INFO L290 TraceCheckUtils]: 30: Hoare triple {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:01:12,346 INFO L290 TraceCheckUtils]: 31: Hoare triple {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:01:12,346 INFO L290 TraceCheckUtils]: 32: Hoare triple {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:01:12,347 INFO L290 TraceCheckUtils]: 33: Hoare triple {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:01:12,347 INFO L290 TraceCheckUtils]: 34: Hoare triple {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:01:12,348 INFO L290 TraceCheckUtils]: 35: Hoare triple {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:01:12,348 INFO L290 TraceCheckUtils]: 36: Hoare triple {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:01:12,349 INFO L290 TraceCheckUtils]: 37: Hoare triple {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:01:12,349 INFO L290 TraceCheckUtils]: 38: Hoare triple {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:01:12,349 INFO L290 TraceCheckUtils]: 39: Hoare triple {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:01:12,350 INFO L290 TraceCheckUtils]: 40: Hoare triple {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:01:12,350 INFO L290 TraceCheckUtils]: 41: Hoare triple {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:01:12,351 INFO L290 TraceCheckUtils]: 42: Hoare triple {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:01:12,351 INFO L290 TraceCheckUtils]: 43: Hoare triple {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:01:12,352 INFO L290 TraceCheckUtils]: 44: Hoare triple {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:01:12,352 INFO L290 TraceCheckUtils]: 45: Hoare triple {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:01:12,353 INFO L290 TraceCheckUtils]: 46: Hoare triple {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:01:12,353 INFO L290 TraceCheckUtils]: 47: Hoare triple {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:01:12,354 INFO L290 TraceCheckUtils]: 48: Hoare triple {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:01:12,354 INFO L290 TraceCheckUtils]: 49: Hoare triple {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:01:12,355 INFO L290 TraceCheckUtils]: 50: Hoare triple {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:01:12,355 INFO L290 TraceCheckUtils]: 51: Hoare triple {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:01:12,356 INFO L290 TraceCheckUtils]: 52: Hoare triple {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:01:12,356 INFO L290 TraceCheckUtils]: 53: Hoare triple {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:01:12,357 INFO L290 TraceCheckUtils]: 54: Hoare triple {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:01:12,357 INFO L290 TraceCheckUtils]: 55: Hoare triple {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33326#(and (<= main_~z~0 48) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:01:12,358 INFO L290 TraceCheckUtils]: 56: Hoare triple {33326#(and (<= main_~z~0 48) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {33274#false} is VALID [2022-04-28 04:01:12,358 INFO L272 TraceCheckUtils]: 57: Hoare triple {33274#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {33274#false} is VALID [2022-04-28 04:01:12,358 INFO L290 TraceCheckUtils]: 58: Hoare triple {33274#false} ~cond := #in~cond; {33274#false} is VALID [2022-04-28 04:01:12,358 INFO L290 TraceCheckUtils]: 59: Hoare triple {33274#false} assume 0 == ~cond; {33274#false} is VALID [2022-04-28 04:01:12,358 INFO L290 TraceCheckUtils]: 60: Hoare triple {33274#false} assume !false; {33274#false} is VALID [2022-04-28 04:01:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:01:12,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040751609] [2022-04-28 04:01:12,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040751609] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:01:12,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069401045] [2022-04-28 04:01:12,359 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:01:12,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:01:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:01:12,360 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:01:12,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-04-28 04:01:24,844 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2022-04-28 04:01:24,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:01:24,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 99 conjunts are in the unsatisfiable core [2022-04-28 04:01:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:24,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:01:25,417 INFO L272 TraceCheckUtils]: 0: Hoare triple {33273#true} call ULTIMATE.init(); {33273#true} is VALID [2022-04-28 04:01:25,417 INFO L290 TraceCheckUtils]: 1: Hoare triple {33273#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 04:01:25,417 INFO L290 TraceCheckUtils]: 2: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 04:01:25,417 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 04:01:25,417 INFO L272 TraceCheckUtils]: 4: Hoare triple {33273#true} call #t~ret7 := main(); {33273#true} is VALID [2022-04-28 04:01:25,418 INFO L290 TraceCheckUtils]: 5: Hoare triple {33273#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {33273#true} is VALID [2022-04-28 04:01:25,418 INFO L290 TraceCheckUtils]: 6: Hoare triple {33273#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {33273#true} is VALID [2022-04-28 04:01:25,418 INFO L290 TraceCheckUtils]: 7: Hoare triple {33273#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {33278#(= main_~z~0 0)} is VALID [2022-04-28 04:01:25,418 INFO L290 TraceCheckUtils]: 8: Hoare triple {33278#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:01:25,419 INFO L290 TraceCheckUtils]: 9: Hoare triple {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:01:25,419 INFO L290 TraceCheckUtils]: 10: Hoare triple {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:01:25,420 INFO L290 TraceCheckUtils]: 11: Hoare triple {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:01:25,420 INFO L290 TraceCheckUtils]: 12: Hoare triple {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:01:25,421 INFO L290 TraceCheckUtils]: 13: Hoare triple {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:01:25,421 INFO L290 TraceCheckUtils]: 14: Hoare triple {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:01:25,422 INFO L290 TraceCheckUtils]: 15: Hoare triple {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:01:25,422 INFO L290 TraceCheckUtils]: 16: Hoare triple {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:01:25,423 INFO L290 TraceCheckUtils]: 17: Hoare triple {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:01:25,424 INFO L290 TraceCheckUtils]: 18: Hoare triple {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:01:25,424 INFO L290 TraceCheckUtils]: 19: Hoare triple {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:01:25,425 INFO L290 TraceCheckUtils]: 20: Hoare triple {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:01:25,425 INFO L290 TraceCheckUtils]: 21: Hoare triple {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:01:25,426 INFO L290 TraceCheckUtils]: 22: Hoare triple {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:01:25,436 INFO L290 TraceCheckUtils]: 23: Hoare triple {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:01:25,436 INFO L290 TraceCheckUtils]: 24: Hoare triple {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:01:25,437 INFO L290 TraceCheckUtils]: 25: Hoare triple {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:01:25,437 INFO L290 TraceCheckUtils]: 26: Hoare triple {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:01:25,438 INFO L290 TraceCheckUtils]: 27: Hoare triple {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:01:25,438 INFO L290 TraceCheckUtils]: 28: Hoare triple {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:01:25,439 INFO L290 TraceCheckUtils]: 29: Hoare triple {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:01:25,439 INFO L290 TraceCheckUtils]: 30: Hoare triple {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:01:25,440 INFO L290 TraceCheckUtils]: 31: Hoare triple {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:01:25,440 INFO L290 TraceCheckUtils]: 32: Hoare triple {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:01:25,441 INFO L290 TraceCheckUtils]: 33: Hoare triple {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:01:25,441 INFO L290 TraceCheckUtils]: 34: Hoare triple {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:01:25,442 INFO L290 TraceCheckUtils]: 35: Hoare triple {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:01:25,442 INFO L290 TraceCheckUtils]: 36: Hoare triple {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:01:25,443 INFO L290 TraceCheckUtils]: 37: Hoare triple {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:01:25,444 INFO L290 TraceCheckUtils]: 38: Hoare triple {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:01:25,444 INFO L290 TraceCheckUtils]: 39: Hoare triple {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:01:25,445 INFO L290 TraceCheckUtils]: 40: Hoare triple {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:01:25,445 INFO L290 TraceCheckUtils]: 41: Hoare triple {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:01:25,446 INFO L290 TraceCheckUtils]: 42: Hoare triple {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:01:25,446 INFO L290 TraceCheckUtils]: 43: Hoare triple {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:01:25,447 INFO L290 TraceCheckUtils]: 44: Hoare triple {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:01:25,447 INFO L290 TraceCheckUtils]: 45: Hoare triple {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:01:25,448 INFO L290 TraceCheckUtils]: 46: Hoare triple {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:01:25,448 INFO L290 TraceCheckUtils]: 47: Hoare triple {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:01:25,449 INFO L290 TraceCheckUtils]: 48: Hoare triple {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:01:25,449 INFO L290 TraceCheckUtils]: 49: Hoare triple {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:01:25,450 INFO L290 TraceCheckUtils]: 50: Hoare triple {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:01:25,450 INFO L290 TraceCheckUtils]: 51: Hoare triple {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:01:25,451 INFO L290 TraceCheckUtils]: 52: Hoare triple {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:01:25,451 INFO L290 TraceCheckUtils]: 53: Hoare triple {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:01:25,452 INFO L290 TraceCheckUtils]: 54: Hoare triple {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:01:25,452 INFO L290 TraceCheckUtils]: 55: Hoare triple {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33496#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:01:25,453 INFO L290 TraceCheckUtils]: 56: Hoare triple {33496#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !(~z~0 % 4294967296 < 268435455); {33274#false} is VALID [2022-04-28 04:01:25,453 INFO L272 TraceCheckUtils]: 57: Hoare triple {33274#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {33274#false} is VALID [2022-04-28 04:01:25,453 INFO L290 TraceCheckUtils]: 58: Hoare triple {33274#false} ~cond := #in~cond; {33274#false} is VALID [2022-04-28 04:01:25,453 INFO L290 TraceCheckUtils]: 59: Hoare triple {33274#false} assume 0 == ~cond; {33274#false} is VALID [2022-04-28 04:01:25,453 INFO L290 TraceCheckUtils]: 60: Hoare triple {33274#false} assume !false; {33274#false} is VALID [2022-04-28 04:01:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:25,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:01:29,153 INFO L290 TraceCheckUtils]: 60: Hoare triple {33274#false} assume !false; {33274#false} is VALID [2022-04-28 04:01:29,153 INFO L290 TraceCheckUtils]: 59: Hoare triple {33274#false} assume 0 == ~cond; {33274#false} is VALID [2022-04-28 04:01:29,153 INFO L290 TraceCheckUtils]: 58: Hoare triple {33274#false} ~cond := #in~cond; {33274#false} is VALID [2022-04-28 04:01:29,153 INFO L272 TraceCheckUtils]: 57: Hoare triple {33274#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {33274#false} is VALID [2022-04-28 04:01:29,154 INFO L290 TraceCheckUtils]: 56: Hoare triple {33524#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {33274#false} is VALID [2022-04-28 04:01:29,154 INFO L290 TraceCheckUtils]: 55: Hoare triple {33528#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33524#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,155 INFO L290 TraceCheckUtils]: 54: Hoare triple {33532#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33528#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,156 INFO L290 TraceCheckUtils]: 53: Hoare triple {33536#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33532#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,156 INFO L290 TraceCheckUtils]: 52: Hoare triple {33540#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33536#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,157 INFO L290 TraceCheckUtils]: 51: Hoare triple {33544#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33540#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,158 INFO L290 TraceCheckUtils]: 50: Hoare triple {33548#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33544#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,158 INFO L290 TraceCheckUtils]: 49: Hoare triple {33552#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33548#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,159 INFO L290 TraceCheckUtils]: 48: Hoare triple {33556#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33552#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,160 INFO L290 TraceCheckUtils]: 47: Hoare triple {33560#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33556#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,161 INFO L290 TraceCheckUtils]: 46: Hoare triple {33564#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33560#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,162 INFO L290 TraceCheckUtils]: 45: Hoare triple {33568#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33564#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,162 INFO L290 TraceCheckUtils]: 44: Hoare triple {33572#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33568#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,163 INFO L290 TraceCheckUtils]: 43: Hoare triple {33576#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33572#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,164 INFO L290 TraceCheckUtils]: 42: Hoare triple {33580#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33576#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,164 INFO L290 TraceCheckUtils]: 41: Hoare triple {33584#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33580#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,165 INFO L290 TraceCheckUtils]: 40: Hoare triple {33588#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33584#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,166 INFO L290 TraceCheckUtils]: 39: Hoare triple {33592#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33588#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,166 INFO L290 TraceCheckUtils]: 38: Hoare triple {33596#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33592#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,167 INFO L290 TraceCheckUtils]: 37: Hoare triple {33600#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33596#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,168 INFO L290 TraceCheckUtils]: 36: Hoare triple {33604#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33600#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,168 INFO L290 TraceCheckUtils]: 35: Hoare triple {33608#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33604#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,169 INFO L290 TraceCheckUtils]: 34: Hoare triple {33612#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33608#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,169 INFO L290 TraceCheckUtils]: 33: Hoare triple {33616#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33612#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,170 INFO L290 TraceCheckUtils]: 32: Hoare triple {33620#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33616#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,171 INFO L290 TraceCheckUtils]: 31: Hoare triple {33624#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33620#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,171 INFO L290 TraceCheckUtils]: 30: Hoare triple {33628#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33624#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,172 INFO L290 TraceCheckUtils]: 29: Hoare triple {33632#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33628#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,173 INFO L290 TraceCheckUtils]: 28: Hoare triple {33636#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33632#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,173 INFO L290 TraceCheckUtils]: 27: Hoare triple {33640#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33636#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,174 INFO L290 TraceCheckUtils]: 26: Hoare triple {33644#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33640#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,175 INFO L290 TraceCheckUtils]: 25: Hoare triple {33648#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33644#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,175 INFO L290 TraceCheckUtils]: 24: Hoare triple {33652#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33648#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,176 INFO L290 TraceCheckUtils]: 23: Hoare triple {33656#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33652#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,177 INFO L290 TraceCheckUtils]: 22: Hoare triple {33660#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33656#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,177 INFO L290 TraceCheckUtils]: 21: Hoare triple {33664#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33660#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,178 INFO L290 TraceCheckUtils]: 20: Hoare triple {33668#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33664#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,178 INFO L290 TraceCheckUtils]: 19: Hoare triple {33672#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33668#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,179 INFO L290 TraceCheckUtils]: 18: Hoare triple {33676#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33672#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,180 INFO L290 TraceCheckUtils]: 17: Hoare triple {33680#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33676#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,180 INFO L290 TraceCheckUtils]: 16: Hoare triple {33684#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33680#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,181 INFO L290 TraceCheckUtils]: 15: Hoare triple {33688#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33684#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,182 INFO L290 TraceCheckUtils]: 14: Hoare triple {33692#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33688#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,182 INFO L290 TraceCheckUtils]: 13: Hoare triple {33696#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33692#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,183 INFO L290 TraceCheckUtils]: 12: Hoare triple {33700#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33696#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,184 INFO L290 TraceCheckUtils]: 11: Hoare triple {33704#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33700#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,184 INFO L290 TraceCheckUtils]: 10: Hoare triple {33708#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33704#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,185 INFO L290 TraceCheckUtils]: 9: Hoare triple {33712#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33708#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,186 INFO L290 TraceCheckUtils]: 8: Hoare triple {33716#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33712#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,186 INFO L290 TraceCheckUtils]: 7: Hoare triple {33273#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {33716#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:01:29,186 INFO L290 TraceCheckUtils]: 6: Hoare triple {33273#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {33273#true} is VALID [2022-04-28 04:01:29,186 INFO L290 TraceCheckUtils]: 5: Hoare triple {33273#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {33273#true} is VALID [2022-04-28 04:01:29,186 INFO L272 TraceCheckUtils]: 4: Hoare triple {33273#true} call #t~ret7 := main(); {33273#true} is VALID [2022-04-28 04:01:29,186 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 04:01:29,186 INFO L290 TraceCheckUtils]: 2: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 04:01:29,186 INFO L290 TraceCheckUtils]: 1: Hoare triple {33273#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 04:01:29,186 INFO L272 TraceCheckUtils]: 0: Hoare triple {33273#true} call ULTIMATE.init(); {33273#true} is VALID [2022-04-28 04:01:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:29,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069401045] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:01:29,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:01:29,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 51, 51] total 102 [2022-04-28 04:01:29,187 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:01:29,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [292105086] [2022-04-28 04:01:29,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [292105086] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:01:29,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:01:29,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2022-04-28 04:01:29,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374889354] [2022-04-28 04:01:29,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:01:29,189 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-28 04:01:29,189 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:01:29,189 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:29,225 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:29,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-04-28 04:01:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:29,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-04-28 04:01:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2700, Invalid=7602, Unknown=0, NotChecked=0, Total=10302 [2022-04-28 04:01:29,226 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:34,033 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2022-04-28 04:01:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-04-28 04:01:34,034 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-28 04:01:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:01:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 94 transitions. [2022-04-28 04:01:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 94 transitions. [2022-04-28 04:01:34,035 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 52 states and 94 transitions. [2022-04-28 04:01:34,094 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:34,095 INFO L225 Difference]: With dead ends: 135 [2022-04-28 04:01:34,095 INFO L226 Difference]: Without dead ends: 72 [2022-04-28 04:01:34,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1278 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=5393, Invalid=17257, Unknown=0, NotChecked=0, Total=22650 [2022-04-28 04:01:34,097 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-28 04:01:34,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 58 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-28 04:01:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-04-28 04:01:34,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2022-04-28 04:01:34,161 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:01:34,161 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:34,162 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:34,162 INFO L87 Difference]: Start difference. First operand 72 states. Second operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:34,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:34,162 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-04-28 04:01:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-04-28 04:01:34,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:01:34,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:01:34,163 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 72 states. [2022-04-28 04:01:34,163 INFO L87 Difference]: Start difference. First operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 72 states. [2022-04-28 04:01:34,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:34,164 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-04-28 04:01:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-04-28 04:01:34,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:01:34,164 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:01:34,164 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:01:34,164 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:01:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2022-04-28 04:01:34,165 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 61 [2022-04-28 04:01:34,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:01:34,165 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2022-04-28 04:01:34,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:34,165 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 71 states and 75 transitions. [2022-04-28 04:01:34,236 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-04-28 04:01:34,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-04-28 04:01:34,236 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:01:34,236 INFO L195 NwaCegarLoop]: trace histogram [49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:01:34,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-04-28 04:01:34,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99 [2022-04-28 04:01:34,437 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:01:34,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:01:34,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2087240350, now seen corresponding path program 97 times [2022-04-28 04:01:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:34,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [280081569] [2022-04-28 04:01:35,061 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:01:35,062 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:01:35,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1736419901, now seen corresponding path program 1 times [2022-04-28 04:01:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:01:35,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201466476] [2022-04-28 04:01:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:01:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:01:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:01:35,068 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:01:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:01:35,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:01:35,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2087240350, now seen corresponding path program 98 times [2022-04-28 04:01:35,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:01:35,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533238794] [2022-04-28 04:01:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:01:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:01:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:01:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:36,336 INFO L290 TraceCheckUtils]: 0: Hoare triple {34453#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 04:01:36,336 INFO L290 TraceCheckUtils]: 1: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 04:01:36,336 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L272 TraceCheckUtils]: 0: Hoare triple {34398#true} call ULTIMATE.init(); {34453#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:01:36,337 INFO L290 TraceCheckUtils]: 1: Hoare triple {34453#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L290 TraceCheckUtils]: 2: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L272 TraceCheckUtils]: 4: Hoare triple {34398#true} call #t~ret7 := main(); {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L290 TraceCheckUtils]: 5: Hoare triple {34398#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L290 TraceCheckUtils]: 6: Hoare triple {34398#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {34398#true} is VALID [2022-04-28 04:01:36,337 INFO L290 TraceCheckUtils]: 7: Hoare triple {34398#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {34403#(= main_~z~0 0)} is VALID [2022-04-28 04:01:36,338 INFO L290 TraceCheckUtils]: 8: Hoare triple {34403#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:01:36,338 INFO L290 TraceCheckUtils]: 9: Hoare triple {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:01:36,339 INFO L290 TraceCheckUtils]: 10: Hoare triple {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:01:36,339 INFO L290 TraceCheckUtils]: 11: Hoare triple {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:01:36,340 INFO L290 TraceCheckUtils]: 12: Hoare triple {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:01:36,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:01:36,341 INFO L290 TraceCheckUtils]: 14: Hoare triple {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:01:36,342 INFO L290 TraceCheckUtils]: 15: Hoare triple {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:01:36,342 INFO L290 TraceCheckUtils]: 16: Hoare triple {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:01:36,343 INFO L290 TraceCheckUtils]: 17: Hoare triple {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:01:36,343 INFO L290 TraceCheckUtils]: 18: Hoare triple {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:01:36,344 INFO L290 TraceCheckUtils]: 19: Hoare triple {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:01:36,344 INFO L290 TraceCheckUtils]: 20: Hoare triple {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:01:36,345 INFO L290 TraceCheckUtils]: 21: Hoare triple {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:01:36,345 INFO L290 TraceCheckUtils]: 22: Hoare triple {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:01:36,346 INFO L290 TraceCheckUtils]: 23: Hoare triple {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:01:36,346 INFO L290 TraceCheckUtils]: 24: Hoare triple {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:01:36,347 INFO L290 TraceCheckUtils]: 25: Hoare triple {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:01:36,347 INFO L290 TraceCheckUtils]: 26: Hoare triple {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:01:36,348 INFO L290 TraceCheckUtils]: 27: Hoare triple {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:01:36,348 INFO L290 TraceCheckUtils]: 28: Hoare triple {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:01:36,349 INFO L290 TraceCheckUtils]: 29: Hoare triple {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:01:36,349 INFO L290 TraceCheckUtils]: 30: Hoare triple {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:01:36,350 INFO L290 TraceCheckUtils]: 31: Hoare triple {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:01:36,350 INFO L290 TraceCheckUtils]: 32: Hoare triple {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:01:36,351 INFO L290 TraceCheckUtils]: 33: Hoare triple {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:01:36,351 INFO L290 TraceCheckUtils]: 34: Hoare triple {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:01:36,352 INFO L290 TraceCheckUtils]: 35: Hoare triple {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:01:36,353 INFO L290 TraceCheckUtils]: 36: Hoare triple {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:01:36,353 INFO L290 TraceCheckUtils]: 37: Hoare triple {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:01:36,354 INFO L290 TraceCheckUtils]: 38: Hoare triple {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:01:36,354 INFO L290 TraceCheckUtils]: 39: Hoare triple {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:01:36,355 INFO L290 TraceCheckUtils]: 40: Hoare triple {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:01:36,355 INFO L290 TraceCheckUtils]: 41: Hoare triple {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:01:36,356 INFO L290 TraceCheckUtils]: 42: Hoare triple {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:01:36,356 INFO L290 TraceCheckUtils]: 43: Hoare triple {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:01:36,357 INFO L290 TraceCheckUtils]: 44: Hoare triple {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:01:36,357 INFO L290 TraceCheckUtils]: 45: Hoare triple {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:01:36,358 INFO L290 TraceCheckUtils]: 46: Hoare triple {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:01:36,358 INFO L290 TraceCheckUtils]: 47: Hoare triple {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:01:36,359 INFO L290 TraceCheckUtils]: 48: Hoare triple {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:01:36,359 INFO L290 TraceCheckUtils]: 49: Hoare triple {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:01:36,360 INFO L290 TraceCheckUtils]: 50: Hoare triple {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:01:36,360 INFO L290 TraceCheckUtils]: 51: Hoare triple {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:01:36,361 INFO L290 TraceCheckUtils]: 52: Hoare triple {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:01:36,361 INFO L290 TraceCheckUtils]: 53: Hoare triple {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:01:36,362 INFO L290 TraceCheckUtils]: 54: Hoare triple {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:01:36,362 INFO L290 TraceCheckUtils]: 55: Hoare triple {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:01:36,363 INFO L290 TraceCheckUtils]: 56: Hoare triple {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34452#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 49))} is VALID [2022-04-28 04:01:36,363 INFO L290 TraceCheckUtils]: 57: Hoare triple {34452#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 49))} assume !(~z~0 % 4294967296 < 268435455); {34399#false} is VALID [2022-04-28 04:01:36,363 INFO L272 TraceCheckUtils]: 58: Hoare triple {34399#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {34399#false} is VALID [2022-04-28 04:01:36,363 INFO L290 TraceCheckUtils]: 59: Hoare triple {34399#false} ~cond := #in~cond; {34399#false} is VALID [2022-04-28 04:01:36,364 INFO L290 TraceCheckUtils]: 60: Hoare triple {34399#false} assume 0 == ~cond; {34399#false} is VALID [2022-04-28 04:01:36,364 INFO L290 TraceCheckUtils]: 61: Hoare triple {34399#false} assume !false; {34399#false} is VALID [2022-04-28 04:01:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:36,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:01:36,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533238794] [2022-04-28 04:01:36,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533238794] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:01:36,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667433193] [2022-04-28 04:01:36,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 04:01:36,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:01:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:01:36,365 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:01:36,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-04-28 04:01:36,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 04:01:36,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:01:36,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 101 conjunts are in the unsatisfiable core [2022-04-28 04:01:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:36,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:01:36,998 INFO L272 TraceCheckUtils]: 0: Hoare triple {34398#true} call ULTIMATE.init(); {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L290 TraceCheckUtils]: 1: Hoare triple {34398#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L290 TraceCheckUtils]: 2: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L272 TraceCheckUtils]: 4: Hoare triple {34398#true} call #t~ret7 := main(); {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L290 TraceCheckUtils]: 5: Hoare triple {34398#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L290 TraceCheckUtils]: 6: Hoare triple {34398#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {34398#true} is VALID [2022-04-28 04:01:36,999 INFO L290 TraceCheckUtils]: 7: Hoare triple {34398#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {34403#(= main_~z~0 0)} is VALID [2022-04-28 04:01:37,000 INFO L290 TraceCheckUtils]: 8: Hoare triple {34403#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:01:37,000 INFO L290 TraceCheckUtils]: 9: Hoare triple {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:01:37,001 INFO L290 TraceCheckUtils]: 10: Hoare triple {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:01:37,001 INFO L290 TraceCheckUtils]: 11: Hoare triple {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:01:37,002 INFO L290 TraceCheckUtils]: 12: Hoare triple {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:01:37,002 INFO L290 TraceCheckUtils]: 13: Hoare triple {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:01:37,003 INFO L290 TraceCheckUtils]: 14: Hoare triple {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:01:37,003 INFO L290 TraceCheckUtils]: 15: Hoare triple {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:01:37,004 INFO L290 TraceCheckUtils]: 16: Hoare triple {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:01:37,004 INFO L290 TraceCheckUtils]: 17: Hoare triple {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:01:37,005 INFO L290 TraceCheckUtils]: 18: Hoare triple {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:01:37,005 INFO L290 TraceCheckUtils]: 19: Hoare triple {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:01:37,006 INFO L290 TraceCheckUtils]: 20: Hoare triple {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:01:37,006 INFO L290 TraceCheckUtils]: 21: Hoare triple {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:01:37,007 INFO L290 TraceCheckUtils]: 22: Hoare triple {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:01:37,007 INFO L290 TraceCheckUtils]: 23: Hoare triple {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:01:37,008 INFO L290 TraceCheckUtils]: 24: Hoare triple {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:01:37,008 INFO L290 TraceCheckUtils]: 25: Hoare triple {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:01:37,009 INFO L290 TraceCheckUtils]: 26: Hoare triple {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:01:37,009 INFO L290 TraceCheckUtils]: 27: Hoare triple {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:01:37,009 INFO L290 TraceCheckUtils]: 28: Hoare triple {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:01:37,010 INFO L290 TraceCheckUtils]: 29: Hoare triple {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:01:37,010 INFO L290 TraceCheckUtils]: 30: Hoare triple {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:01:37,011 INFO L290 TraceCheckUtils]: 31: Hoare triple {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:01:37,011 INFO L290 TraceCheckUtils]: 32: Hoare triple {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:01:37,012 INFO L290 TraceCheckUtils]: 33: Hoare triple {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:01:37,012 INFO L290 TraceCheckUtils]: 34: Hoare triple {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:01:37,013 INFO L290 TraceCheckUtils]: 35: Hoare triple {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:01:37,013 INFO L290 TraceCheckUtils]: 36: Hoare triple {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:01:37,014 INFO L290 TraceCheckUtils]: 37: Hoare triple {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:01:37,014 INFO L290 TraceCheckUtils]: 38: Hoare triple {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:01:37,015 INFO L290 TraceCheckUtils]: 39: Hoare triple {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:01:37,015 INFO L290 TraceCheckUtils]: 40: Hoare triple {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:01:37,016 INFO L290 TraceCheckUtils]: 41: Hoare triple {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:01:37,016 INFO L290 TraceCheckUtils]: 42: Hoare triple {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:01:37,017 INFO L290 TraceCheckUtils]: 43: Hoare triple {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:01:37,017 INFO L290 TraceCheckUtils]: 44: Hoare triple {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:01:37,018 INFO L290 TraceCheckUtils]: 45: Hoare triple {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:01:37,018 INFO L290 TraceCheckUtils]: 46: Hoare triple {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:01:37,019 INFO L290 TraceCheckUtils]: 47: Hoare triple {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:01:37,019 INFO L290 TraceCheckUtils]: 48: Hoare triple {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:01:37,020 INFO L290 TraceCheckUtils]: 49: Hoare triple {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:01:37,020 INFO L290 TraceCheckUtils]: 50: Hoare triple {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:01:37,021 INFO L290 TraceCheckUtils]: 51: Hoare triple {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:01:37,021 INFO L290 TraceCheckUtils]: 52: Hoare triple {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:01:37,022 INFO L290 TraceCheckUtils]: 53: Hoare triple {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:01:37,022 INFO L290 TraceCheckUtils]: 54: Hoare triple {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:01:37,023 INFO L290 TraceCheckUtils]: 55: Hoare triple {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:01:37,023 INFO L290 TraceCheckUtils]: 56: Hoare triple {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34625#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:01:37,024 INFO L290 TraceCheckUtils]: 57: Hoare triple {34625#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !(~z~0 % 4294967296 < 268435455); {34399#false} is VALID [2022-04-28 04:01:37,024 INFO L272 TraceCheckUtils]: 58: Hoare triple {34399#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {34399#false} is VALID [2022-04-28 04:01:37,024 INFO L290 TraceCheckUtils]: 59: Hoare triple {34399#false} ~cond := #in~cond; {34399#false} is VALID [2022-04-28 04:01:37,024 INFO L290 TraceCheckUtils]: 60: Hoare triple {34399#false} assume 0 == ~cond; {34399#false} is VALID [2022-04-28 04:01:37,024 INFO L290 TraceCheckUtils]: 61: Hoare triple {34399#false} assume !false; {34399#false} is VALID [2022-04-28 04:01:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:37,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:01:40,854 INFO L290 TraceCheckUtils]: 61: Hoare triple {34399#false} assume !false; {34399#false} is VALID [2022-04-28 04:01:40,854 INFO L290 TraceCheckUtils]: 60: Hoare triple {34399#false} assume 0 == ~cond; {34399#false} is VALID [2022-04-28 04:01:40,854 INFO L290 TraceCheckUtils]: 59: Hoare triple {34399#false} ~cond := #in~cond; {34399#false} is VALID [2022-04-28 04:01:40,855 INFO L272 TraceCheckUtils]: 58: Hoare triple {34399#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {34399#false} is VALID [2022-04-28 04:01:40,855 INFO L290 TraceCheckUtils]: 57: Hoare triple {34653#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {34399#false} is VALID [2022-04-28 04:01:40,855 INFO L290 TraceCheckUtils]: 56: Hoare triple {34657#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34653#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,856 INFO L290 TraceCheckUtils]: 55: Hoare triple {34661#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34657#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,857 INFO L290 TraceCheckUtils]: 54: Hoare triple {34665#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34661#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,857 INFO L290 TraceCheckUtils]: 53: Hoare triple {34669#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34665#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,858 INFO L290 TraceCheckUtils]: 52: Hoare triple {34673#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34669#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,859 INFO L290 TraceCheckUtils]: 51: Hoare triple {34677#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34673#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,859 INFO L290 TraceCheckUtils]: 50: Hoare triple {34681#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34677#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,860 INFO L290 TraceCheckUtils]: 49: Hoare triple {34685#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34681#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,860 INFO L290 TraceCheckUtils]: 48: Hoare triple {34689#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34685#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,861 INFO L290 TraceCheckUtils]: 47: Hoare triple {34693#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34689#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,862 INFO L290 TraceCheckUtils]: 46: Hoare triple {34697#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34693#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,862 INFO L290 TraceCheckUtils]: 45: Hoare triple {34701#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34697#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,863 INFO L290 TraceCheckUtils]: 44: Hoare triple {34705#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34701#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,863 INFO L290 TraceCheckUtils]: 43: Hoare triple {34709#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34705#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,864 INFO L290 TraceCheckUtils]: 42: Hoare triple {34713#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34709#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,864 INFO L290 TraceCheckUtils]: 41: Hoare triple {34717#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34713#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,865 INFO L290 TraceCheckUtils]: 40: Hoare triple {34721#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34717#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,866 INFO L290 TraceCheckUtils]: 39: Hoare triple {34725#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34721#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,866 INFO L290 TraceCheckUtils]: 38: Hoare triple {34729#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34725#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,867 INFO L290 TraceCheckUtils]: 37: Hoare triple {34733#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34729#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,867 INFO L290 TraceCheckUtils]: 36: Hoare triple {34737#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34733#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,868 INFO L290 TraceCheckUtils]: 35: Hoare triple {34741#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34737#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,869 INFO L290 TraceCheckUtils]: 34: Hoare triple {34745#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34741#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,879 INFO L290 TraceCheckUtils]: 33: Hoare triple {34749#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34745#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,880 INFO L290 TraceCheckUtils]: 32: Hoare triple {34753#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34749#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,881 INFO L290 TraceCheckUtils]: 31: Hoare triple {34757#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34753#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,881 INFO L290 TraceCheckUtils]: 30: Hoare triple {34761#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34757#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,882 INFO L290 TraceCheckUtils]: 29: Hoare triple {34765#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34761#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,882 INFO L290 TraceCheckUtils]: 28: Hoare triple {34769#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34765#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,883 INFO L290 TraceCheckUtils]: 27: Hoare triple {34773#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34769#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,884 INFO L290 TraceCheckUtils]: 26: Hoare triple {34777#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34773#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,884 INFO L290 TraceCheckUtils]: 25: Hoare triple {34781#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34777#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,885 INFO L290 TraceCheckUtils]: 24: Hoare triple {34785#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34781#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,885 INFO L290 TraceCheckUtils]: 23: Hoare triple {34789#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34785#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,886 INFO L290 TraceCheckUtils]: 22: Hoare triple {34793#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34789#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,887 INFO L290 TraceCheckUtils]: 21: Hoare triple {34797#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34793#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,887 INFO L290 TraceCheckUtils]: 20: Hoare triple {34801#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34797#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,888 INFO L290 TraceCheckUtils]: 19: Hoare triple {34805#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34801#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,888 INFO L290 TraceCheckUtils]: 18: Hoare triple {34809#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34805#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,889 INFO L290 TraceCheckUtils]: 17: Hoare triple {34813#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34809#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,890 INFO L290 TraceCheckUtils]: 16: Hoare triple {34817#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34813#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,890 INFO L290 TraceCheckUtils]: 15: Hoare triple {34821#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34817#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,891 INFO L290 TraceCheckUtils]: 14: Hoare triple {34825#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34821#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,891 INFO L290 TraceCheckUtils]: 13: Hoare triple {34829#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34825#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,892 INFO L290 TraceCheckUtils]: 12: Hoare triple {34833#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34829#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,893 INFO L290 TraceCheckUtils]: 11: Hoare triple {34837#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34833#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,893 INFO L290 TraceCheckUtils]: 10: Hoare triple {34841#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34837#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,894 INFO L290 TraceCheckUtils]: 9: Hoare triple {34845#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34841#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,894 INFO L290 TraceCheckUtils]: 8: Hoare triple {34849#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34845#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,895 INFO L290 TraceCheckUtils]: 7: Hoare triple {34398#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {34849#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:40,895 INFO L290 TraceCheckUtils]: 6: Hoare triple {34398#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {34398#true} is VALID [2022-04-28 04:01:40,895 INFO L290 TraceCheckUtils]: 5: Hoare triple {34398#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {34398#true} is VALID [2022-04-28 04:01:40,895 INFO L272 TraceCheckUtils]: 4: Hoare triple {34398#true} call #t~ret7 := main(); {34398#true} is VALID [2022-04-28 04:01:40,895 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 04:01:40,895 INFO L290 TraceCheckUtils]: 2: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 04:01:40,895 INFO L290 TraceCheckUtils]: 1: Hoare triple {34398#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 04:01:40,895 INFO L272 TraceCheckUtils]: 0: Hoare triple {34398#true} call ULTIMATE.init(); {34398#true} is VALID [2022-04-28 04:01:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:40,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667433193] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:01:40,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:01:40,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 104 [2022-04-28 04:01:40,896 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:01:40,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [280081569] [2022-04-28 04:01:40,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [280081569] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:01:40,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:01:40,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2022-04-28 04:01:40,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610293446] [2022-04-28 04:01:40,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:01:40,897 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-04-28 04:01:40,897 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:01:40,897 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:40,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:40,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-04-28 04:01:40,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:40,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-04-28 04:01:40,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2805, Invalid=7907, Unknown=0, NotChecked=0, Total=10712 [2022-04-28 04:01:40,930 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:46,784 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2022-04-28 04:01:46,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-04-28 04:01:46,784 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-04-28 04:01:46,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:01:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 95 transitions. [2022-04-28 04:01:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 95 transitions. [2022-04-28 04:01:46,786 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 53 states and 95 transitions. [2022-04-28 04:01:46,861 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:46,862 INFO L225 Difference]: With dead ends: 137 [2022-04-28 04:01:46,862 INFO L226 Difference]: Without dead ends: 73 [2022-04-28 04:01:46,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=5603, Invalid=17959, Unknown=0, NotChecked=0, Total=23562 [2022-04-28 04:01:46,863 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 3257 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 3362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-28 04:01:46,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 258 Invalid, 3362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3257 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-04-28 04:01:46,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-04-28 04:01:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2022-04-28 04:01:46,925 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:01:46,925 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:46,925 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:46,926 INFO L87 Difference]: Start difference. First operand 73 states. Second operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:46,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:46,926 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2022-04-28 04:01:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-04-28 04:01:46,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:01:46,927 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:01:46,927 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 73 states. [2022-04-28 04:01:46,927 INFO L87 Difference]: Start difference. First operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 73 states. [2022-04-28 04:01:46,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:01:46,927 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2022-04-28 04:01:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-04-28 04:01:46,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:01:46,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:01:46,928 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:01:46,928 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:01:46,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:01:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2022-04-28 04:01:46,928 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 62 [2022-04-28 04:01:46,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:01:46,929 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2022-04-28 04:01:46,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:46,929 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 72 states and 76 transitions. [2022-04-28 04:01:47,005 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-04-28 04:01:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-28 04:01:47,005 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:01:47,005 INFO L195 NwaCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:01:47,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-04-28 04:01:47,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101 [2022-04-28 04:01:47,206 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:01:47,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:01:47,206 INFO L85 PathProgramCache]: Analyzing trace with hash -253638846, now seen corresponding path program 99 times [2022-04-28 04:01:47,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:47,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1173878455] [2022-04-28 04:01:48,684 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:01:48,825 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:01:48,826 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:01:48,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1677314557, now seen corresponding path program 1 times [2022-04-28 04:01:48,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:01:48,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305267509] [2022-04-28 04:01:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:01:48,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:01:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:01:48,833 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:01:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:01:48,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:01:48,836 INFO L85 PathProgramCache]: Analyzing trace with hash -253638846, now seen corresponding path program 100 times [2022-04-28 04:01:48,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:01:48,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666198498] [2022-04-28 04:01:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:01:48,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:01:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:01:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:50,113 INFO L290 TraceCheckUtils]: 0: Hoare triple {35597#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 04:01:50,113 INFO L290 TraceCheckUtils]: 1: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L272 TraceCheckUtils]: 0: Hoare triple {35541#true} call ULTIMATE.init(); {35597#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:01:50,114 INFO L290 TraceCheckUtils]: 1: Hoare triple {35597#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L290 TraceCheckUtils]: 2: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L272 TraceCheckUtils]: 4: Hoare triple {35541#true} call #t~ret7 := main(); {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L290 TraceCheckUtils]: 5: Hoare triple {35541#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {35541#true} is VALID [2022-04-28 04:01:50,114 INFO L290 TraceCheckUtils]: 6: Hoare triple {35541#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {35541#true} is VALID [2022-04-28 04:01:50,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {35541#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {35546#(= main_~z~0 0)} is VALID [2022-04-28 04:01:50,115 INFO L290 TraceCheckUtils]: 8: Hoare triple {35546#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:01:50,115 INFO L290 TraceCheckUtils]: 9: Hoare triple {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:01:50,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:01:50,116 INFO L290 TraceCheckUtils]: 11: Hoare triple {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:01:50,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:01:50,117 INFO L290 TraceCheckUtils]: 13: Hoare triple {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:01:50,118 INFO L290 TraceCheckUtils]: 14: Hoare triple {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:01:50,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:01:50,119 INFO L290 TraceCheckUtils]: 16: Hoare triple {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:01:50,119 INFO L290 TraceCheckUtils]: 17: Hoare triple {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:01:50,120 INFO L290 TraceCheckUtils]: 18: Hoare triple {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:01:50,120 INFO L290 TraceCheckUtils]: 19: Hoare triple {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:01:50,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:01:50,121 INFO L290 TraceCheckUtils]: 21: Hoare triple {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:01:50,122 INFO L290 TraceCheckUtils]: 22: Hoare triple {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:01:50,122 INFO L290 TraceCheckUtils]: 23: Hoare triple {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:01:50,123 INFO L290 TraceCheckUtils]: 24: Hoare triple {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:01:50,123 INFO L290 TraceCheckUtils]: 25: Hoare triple {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:01:50,124 INFO L290 TraceCheckUtils]: 26: Hoare triple {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:01:50,124 INFO L290 TraceCheckUtils]: 27: Hoare triple {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:01:50,125 INFO L290 TraceCheckUtils]: 28: Hoare triple {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:01:50,125 INFO L290 TraceCheckUtils]: 29: Hoare triple {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:01:50,126 INFO L290 TraceCheckUtils]: 30: Hoare triple {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:01:50,126 INFO L290 TraceCheckUtils]: 31: Hoare triple {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:01:50,127 INFO L290 TraceCheckUtils]: 32: Hoare triple {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:01:50,127 INFO L290 TraceCheckUtils]: 33: Hoare triple {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:01:50,128 INFO L290 TraceCheckUtils]: 34: Hoare triple {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:01:50,128 INFO L290 TraceCheckUtils]: 35: Hoare triple {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:01:50,129 INFO L290 TraceCheckUtils]: 36: Hoare triple {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:01:50,129 INFO L290 TraceCheckUtils]: 37: Hoare triple {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:01:50,130 INFO L290 TraceCheckUtils]: 38: Hoare triple {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:01:50,130 INFO L290 TraceCheckUtils]: 39: Hoare triple {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:01:50,131 INFO L290 TraceCheckUtils]: 40: Hoare triple {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:01:50,131 INFO L290 TraceCheckUtils]: 41: Hoare triple {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:01:50,132 INFO L290 TraceCheckUtils]: 42: Hoare triple {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:01:50,132 INFO L290 TraceCheckUtils]: 43: Hoare triple {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:01:50,133 INFO L290 TraceCheckUtils]: 44: Hoare triple {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:01:50,133 INFO L290 TraceCheckUtils]: 45: Hoare triple {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:01:50,134 INFO L290 TraceCheckUtils]: 46: Hoare triple {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:01:50,134 INFO L290 TraceCheckUtils]: 47: Hoare triple {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:01:50,134 INFO L290 TraceCheckUtils]: 48: Hoare triple {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:01:50,135 INFO L290 TraceCheckUtils]: 49: Hoare triple {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:01:50,135 INFO L290 TraceCheckUtils]: 50: Hoare triple {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:01:50,136 INFO L290 TraceCheckUtils]: 51: Hoare triple {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:01:50,136 INFO L290 TraceCheckUtils]: 52: Hoare triple {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:01:50,137 INFO L290 TraceCheckUtils]: 53: Hoare triple {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:01:50,137 INFO L290 TraceCheckUtils]: 54: Hoare triple {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:01:50,138 INFO L290 TraceCheckUtils]: 55: Hoare triple {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:01:50,139 INFO L290 TraceCheckUtils]: 56: Hoare triple {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:01:50,139 INFO L290 TraceCheckUtils]: 57: Hoare triple {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35596#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 50))} is VALID [2022-04-28 04:01:50,140 INFO L290 TraceCheckUtils]: 58: Hoare triple {35596#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 50))} assume !(~z~0 % 4294967296 < 268435455); {35542#false} is VALID [2022-04-28 04:01:50,140 INFO L272 TraceCheckUtils]: 59: Hoare triple {35542#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {35542#false} is VALID [2022-04-28 04:01:50,140 INFO L290 TraceCheckUtils]: 60: Hoare triple {35542#false} ~cond := #in~cond; {35542#false} is VALID [2022-04-28 04:01:50,140 INFO L290 TraceCheckUtils]: 61: Hoare triple {35542#false} assume 0 == ~cond; {35542#false} is VALID [2022-04-28 04:01:50,140 INFO L290 TraceCheckUtils]: 62: Hoare triple {35542#false} assume !false; {35542#false} is VALID [2022-04-28 04:01:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:50,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:01:50,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666198498] [2022-04-28 04:01:50,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666198498] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:01:50,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135612707] [2022-04-28 04:01:50,141 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:01:50,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:01:50,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:01:50,142 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:01:50,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-04-28 04:01:50,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:01:50,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:01:50,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 103 conjunts are in the unsatisfiable core [2022-04-28 04:01:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:01:50,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:01:50,879 INFO L272 TraceCheckUtils]: 0: Hoare triple {35541#true} call ULTIMATE.init(); {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L290 TraceCheckUtils]: 1: Hoare triple {35541#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L290 TraceCheckUtils]: 2: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L272 TraceCheckUtils]: 4: Hoare triple {35541#true} call #t~ret7 := main(); {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L290 TraceCheckUtils]: 5: Hoare triple {35541#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L290 TraceCheckUtils]: 6: Hoare triple {35541#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {35541#true} is VALID [2022-04-28 04:01:50,880 INFO L290 TraceCheckUtils]: 7: Hoare triple {35541#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {35546#(= main_~z~0 0)} is VALID [2022-04-28 04:01:50,881 INFO L290 TraceCheckUtils]: 8: Hoare triple {35546#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:01:50,881 INFO L290 TraceCheckUtils]: 9: Hoare triple {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:01:50,882 INFO L290 TraceCheckUtils]: 10: Hoare triple {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:01:50,882 INFO L290 TraceCheckUtils]: 11: Hoare triple {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:01:50,883 INFO L290 TraceCheckUtils]: 12: Hoare triple {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:01:50,883 INFO L290 TraceCheckUtils]: 13: Hoare triple {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:01:50,884 INFO L290 TraceCheckUtils]: 14: Hoare triple {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:01:50,884 INFO L290 TraceCheckUtils]: 15: Hoare triple {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:01:50,885 INFO L290 TraceCheckUtils]: 16: Hoare triple {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:01:50,885 INFO L290 TraceCheckUtils]: 17: Hoare triple {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:01:50,886 INFO L290 TraceCheckUtils]: 18: Hoare triple {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:01:50,886 INFO L290 TraceCheckUtils]: 19: Hoare triple {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:01:50,887 INFO L290 TraceCheckUtils]: 20: Hoare triple {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:01:50,887 INFO L290 TraceCheckUtils]: 21: Hoare triple {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:01:50,888 INFO L290 TraceCheckUtils]: 22: Hoare triple {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:01:50,888 INFO L290 TraceCheckUtils]: 23: Hoare triple {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:01:50,889 INFO L290 TraceCheckUtils]: 24: Hoare triple {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:01:50,889 INFO L290 TraceCheckUtils]: 25: Hoare triple {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:01:50,890 INFO L290 TraceCheckUtils]: 26: Hoare triple {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:01:50,890 INFO L290 TraceCheckUtils]: 27: Hoare triple {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:01:50,891 INFO L290 TraceCheckUtils]: 28: Hoare triple {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:01:50,891 INFO L290 TraceCheckUtils]: 29: Hoare triple {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:01:50,892 INFO L290 TraceCheckUtils]: 30: Hoare triple {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:01:50,892 INFO L290 TraceCheckUtils]: 31: Hoare triple {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:01:50,893 INFO L290 TraceCheckUtils]: 32: Hoare triple {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:01:50,893 INFO L290 TraceCheckUtils]: 33: Hoare triple {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:01:50,893 INFO L290 TraceCheckUtils]: 34: Hoare triple {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:01:50,894 INFO L290 TraceCheckUtils]: 35: Hoare triple {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:01:50,894 INFO L290 TraceCheckUtils]: 36: Hoare triple {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:01:50,895 INFO L290 TraceCheckUtils]: 37: Hoare triple {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:01:50,895 INFO L290 TraceCheckUtils]: 38: Hoare triple {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:01:50,896 INFO L290 TraceCheckUtils]: 39: Hoare triple {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:01:50,896 INFO L290 TraceCheckUtils]: 40: Hoare triple {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:01:50,897 INFO L290 TraceCheckUtils]: 41: Hoare triple {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:01:50,897 INFO L290 TraceCheckUtils]: 42: Hoare triple {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:01:50,898 INFO L290 TraceCheckUtils]: 43: Hoare triple {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:01:50,898 INFO L290 TraceCheckUtils]: 44: Hoare triple {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:01:50,899 INFO L290 TraceCheckUtils]: 45: Hoare triple {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:01:50,899 INFO L290 TraceCheckUtils]: 46: Hoare triple {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:01:50,900 INFO L290 TraceCheckUtils]: 47: Hoare triple {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:01:50,900 INFO L290 TraceCheckUtils]: 48: Hoare triple {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:01:50,901 INFO L290 TraceCheckUtils]: 49: Hoare triple {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:01:50,901 INFO L290 TraceCheckUtils]: 50: Hoare triple {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:01:50,902 INFO L290 TraceCheckUtils]: 51: Hoare triple {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:01:50,902 INFO L290 TraceCheckUtils]: 52: Hoare triple {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:01:50,903 INFO L290 TraceCheckUtils]: 53: Hoare triple {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:01:50,903 INFO L290 TraceCheckUtils]: 54: Hoare triple {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:01:50,904 INFO L290 TraceCheckUtils]: 55: Hoare triple {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:01:50,904 INFO L290 TraceCheckUtils]: 56: Hoare triple {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:01:50,905 INFO L290 TraceCheckUtils]: 57: Hoare triple {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35772#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:01:50,905 INFO L290 TraceCheckUtils]: 58: Hoare triple {35772#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !(~z~0 % 4294967296 < 268435455); {35542#false} is VALID [2022-04-28 04:01:50,905 INFO L272 TraceCheckUtils]: 59: Hoare triple {35542#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {35542#false} is VALID [2022-04-28 04:01:50,905 INFO L290 TraceCheckUtils]: 60: Hoare triple {35542#false} ~cond := #in~cond; {35542#false} is VALID [2022-04-28 04:01:50,906 INFO L290 TraceCheckUtils]: 61: Hoare triple {35542#false} assume 0 == ~cond; {35542#false} is VALID [2022-04-28 04:01:50,906 INFO L290 TraceCheckUtils]: 62: Hoare triple {35542#false} assume !false; {35542#false} is VALID [2022-04-28 04:01:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:50,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:01:54,897 INFO L290 TraceCheckUtils]: 62: Hoare triple {35542#false} assume !false; {35542#false} is VALID [2022-04-28 04:01:54,897 INFO L290 TraceCheckUtils]: 61: Hoare triple {35542#false} assume 0 == ~cond; {35542#false} is VALID [2022-04-28 04:01:54,897 INFO L290 TraceCheckUtils]: 60: Hoare triple {35542#false} ~cond := #in~cond; {35542#false} is VALID [2022-04-28 04:01:54,897 INFO L272 TraceCheckUtils]: 59: Hoare triple {35542#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {35542#false} is VALID [2022-04-28 04:01:54,897 INFO L290 TraceCheckUtils]: 58: Hoare triple {35800#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {35542#false} is VALID [2022-04-28 04:01:54,898 INFO L290 TraceCheckUtils]: 57: Hoare triple {35804#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35800#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,899 INFO L290 TraceCheckUtils]: 56: Hoare triple {35808#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35804#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,899 INFO L290 TraceCheckUtils]: 55: Hoare triple {35812#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35808#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,900 INFO L290 TraceCheckUtils]: 54: Hoare triple {35816#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35812#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,900 INFO L290 TraceCheckUtils]: 53: Hoare triple {35820#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35816#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,901 INFO L290 TraceCheckUtils]: 52: Hoare triple {35824#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35820#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,902 INFO L290 TraceCheckUtils]: 51: Hoare triple {35828#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35824#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,902 INFO L290 TraceCheckUtils]: 50: Hoare triple {35832#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35828#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,903 INFO L290 TraceCheckUtils]: 49: Hoare triple {35836#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35832#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,905 INFO L290 TraceCheckUtils]: 48: Hoare triple {35840#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35836#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,905 INFO L290 TraceCheckUtils]: 47: Hoare triple {35844#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35840#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,906 INFO L290 TraceCheckUtils]: 46: Hoare triple {35848#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35844#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,907 INFO L290 TraceCheckUtils]: 45: Hoare triple {35852#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35848#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,907 INFO L290 TraceCheckUtils]: 44: Hoare triple {35856#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35852#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,908 INFO L290 TraceCheckUtils]: 43: Hoare triple {35860#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35856#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,908 INFO L290 TraceCheckUtils]: 42: Hoare triple {35864#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35860#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,909 INFO L290 TraceCheckUtils]: 41: Hoare triple {35868#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35864#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,910 INFO L290 TraceCheckUtils]: 40: Hoare triple {35872#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35868#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,910 INFO L290 TraceCheckUtils]: 39: Hoare triple {35876#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35872#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,911 INFO L290 TraceCheckUtils]: 38: Hoare triple {35880#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35876#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,911 INFO L290 TraceCheckUtils]: 37: Hoare triple {35884#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35880#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,912 INFO L290 TraceCheckUtils]: 36: Hoare triple {35888#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35884#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,913 INFO L290 TraceCheckUtils]: 35: Hoare triple {35892#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35888#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,913 INFO L290 TraceCheckUtils]: 34: Hoare triple {35896#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35892#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,914 INFO L290 TraceCheckUtils]: 33: Hoare triple {35900#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35896#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,914 INFO L290 TraceCheckUtils]: 32: Hoare triple {35904#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35900#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,915 INFO L290 TraceCheckUtils]: 31: Hoare triple {35908#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35904#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,916 INFO L290 TraceCheckUtils]: 30: Hoare triple {35912#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35908#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,916 INFO L290 TraceCheckUtils]: 29: Hoare triple {35916#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35912#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,917 INFO L290 TraceCheckUtils]: 28: Hoare triple {35920#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35916#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,917 INFO L290 TraceCheckUtils]: 27: Hoare triple {35924#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35920#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,918 INFO L290 TraceCheckUtils]: 26: Hoare triple {35928#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35924#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,918 INFO L290 TraceCheckUtils]: 25: Hoare triple {35932#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35928#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,919 INFO L290 TraceCheckUtils]: 24: Hoare triple {35936#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35932#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,920 INFO L290 TraceCheckUtils]: 23: Hoare triple {35940#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35936#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,920 INFO L290 TraceCheckUtils]: 22: Hoare triple {35944#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35940#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,921 INFO L290 TraceCheckUtils]: 21: Hoare triple {35948#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35944#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,921 INFO L290 TraceCheckUtils]: 20: Hoare triple {35952#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35948#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,922 INFO L290 TraceCheckUtils]: 19: Hoare triple {35956#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35952#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,923 INFO L290 TraceCheckUtils]: 18: Hoare triple {35960#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35956#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,923 INFO L290 TraceCheckUtils]: 17: Hoare triple {35964#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35960#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,924 INFO L290 TraceCheckUtils]: 16: Hoare triple {35968#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35964#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,924 INFO L290 TraceCheckUtils]: 15: Hoare triple {35972#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35968#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,925 INFO L290 TraceCheckUtils]: 14: Hoare triple {35976#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35972#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,926 INFO L290 TraceCheckUtils]: 13: Hoare triple {35980#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35976#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,926 INFO L290 TraceCheckUtils]: 12: Hoare triple {35984#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35980#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,927 INFO L290 TraceCheckUtils]: 11: Hoare triple {35988#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35984#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,927 INFO L290 TraceCheckUtils]: 10: Hoare triple {35992#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35988#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,928 INFO L290 TraceCheckUtils]: 9: Hoare triple {35996#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35992#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,929 INFO L290 TraceCheckUtils]: 8: Hoare triple {36000#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35996#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,929 INFO L290 TraceCheckUtils]: 7: Hoare triple {35541#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {36000#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:01:54,929 INFO L290 TraceCheckUtils]: 6: Hoare triple {35541#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {35541#true} is VALID [2022-04-28 04:01:54,929 INFO L290 TraceCheckUtils]: 5: Hoare triple {35541#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {35541#true} is VALID [2022-04-28 04:01:54,929 INFO L272 TraceCheckUtils]: 4: Hoare triple {35541#true} call #t~ret7 := main(); {35541#true} is VALID [2022-04-28 04:01:54,929 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 04:01:54,929 INFO L290 TraceCheckUtils]: 2: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 04:01:54,929 INFO L290 TraceCheckUtils]: 1: Hoare triple {35541#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 04:01:54,930 INFO L272 TraceCheckUtils]: 0: Hoare triple {35541#true} call ULTIMATE.init(); {35541#true} is VALID [2022-04-28 04:01:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:01:54,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135612707] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:01:54,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:01:54,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53, 53] total 106 [2022-04-28 04:01:54,930 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:01:54,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1173878455] [2022-04-28 04:01:54,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1173878455] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:01:54,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:01:54,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2022-04-28 04:01:54,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768020646] [2022-04-28 04:01:54,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:01:54,936 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-04-28 04:01:54,937 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:01:54,937 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:01:54,969 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:01:54,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-04-28 04:01:54,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:01:54,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-04-28 04:01:54,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2912, Invalid=8218, Unknown=0, NotChecked=0, Total=11130 [2022-04-28 04:01:54,970 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:01,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:01,084 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2022-04-28 04:02:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-04-28 04:02:01,084 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-04-28 04:02:01,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:02:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 96 transitions. [2022-04-28 04:02:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 96 transitions. [2022-04-28 04:02:01,086 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 54 states and 96 transitions. [2022-04-28 04:02:01,145 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:01,146 INFO L225 Difference]: With dead ends: 139 [2022-04-28 04:02:01,146 INFO L226 Difference]: Without dead ends: 74 [2022-04-28 04:02:01,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=5817, Invalid=18675, Unknown=0, NotChecked=0, Total=24492 [2022-04-28 04:02:01,148 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 3419 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 3526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-28 04:02:01,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 278 Invalid, 3526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3419 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-04-28 04:02:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-04-28 04:02:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2022-04-28 04:02:01,212 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:02:01,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:01,212 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:01,212 INFO L87 Difference]: Start difference. First operand 74 states. Second operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:01,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:01,213 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2022-04-28 04:02:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-04-28 04:02:01,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:01,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:01,213 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 74 states. [2022-04-28 04:02:01,214 INFO L87 Difference]: Start difference. First operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 74 states. [2022-04-28 04:02:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:01,214 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2022-04-28 04:02:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-04-28 04:02:01,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:01,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:01,214 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:02:01,214 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:02:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2022-04-28 04:02:01,215 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 63 [2022-04-28 04:02:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:02:01,215 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2022-04-28 04:02:01,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:01,216 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 73 states and 77 transitions. [2022-04-28 04:02:01,283 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-04-28 04:02:01,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-28 04:02:01,283 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:02:01,283 INFO L195 NwaCegarLoop]: trace histogram [51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:02:01,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2022-04-28 04:02:01,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2022-04-28 04:02:01,484 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:02:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:02:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash 753432930, now seen corresponding path program 101 times [2022-04-28 04:02:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:01,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1328887820] [2022-04-28 04:02:03,340 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:02:03,341 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:02:03,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1618209213, now seen corresponding path program 1 times [2022-04-28 04:02:03,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:03,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466047490] [2022-04-28 04:02:03,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:03,348 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:02:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:03,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:02:03,351 INFO L85 PathProgramCache]: Analyzing trace with hash 753432930, now seen corresponding path program 102 times [2022-04-28 04:02:03,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:03,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041653266] [2022-04-28 04:02:03,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:03,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:02:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:04,682 INFO L290 TraceCheckUtils]: 0: Hoare triple {36759#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L290 TraceCheckUtils]: 1: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L272 TraceCheckUtils]: 0: Hoare triple {36702#true} call ULTIMATE.init(); {36759#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:02:04,682 INFO L290 TraceCheckUtils]: 1: Hoare triple {36759#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L290 TraceCheckUtils]: 2: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L272 TraceCheckUtils]: 4: Hoare triple {36702#true} call #t~ret7 := main(); {36702#true} is VALID [2022-04-28 04:02:04,682 INFO L290 TraceCheckUtils]: 5: Hoare triple {36702#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {36702#true} is VALID [2022-04-28 04:02:04,683 INFO L290 TraceCheckUtils]: 6: Hoare triple {36702#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {36702#true} is VALID [2022-04-28 04:02:04,683 INFO L290 TraceCheckUtils]: 7: Hoare triple {36702#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {36707#(= main_~z~0 0)} is VALID [2022-04-28 04:02:04,683 INFO L290 TraceCheckUtils]: 8: Hoare triple {36707#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:02:04,684 INFO L290 TraceCheckUtils]: 9: Hoare triple {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:02:04,684 INFO L290 TraceCheckUtils]: 10: Hoare triple {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:02:04,685 INFO L290 TraceCheckUtils]: 11: Hoare triple {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:02:04,685 INFO L290 TraceCheckUtils]: 12: Hoare triple {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:02:04,686 INFO L290 TraceCheckUtils]: 13: Hoare triple {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:02:04,686 INFO L290 TraceCheckUtils]: 14: Hoare triple {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:02:04,687 INFO L290 TraceCheckUtils]: 15: Hoare triple {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:02:04,687 INFO L290 TraceCheckUtils]: 16: Hoare triple {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:02:04,687 INFO L290 TraceCheckUtils]: 17: Hoare triple {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:02:04,688 INFO L290 TraceCheckUtils]: 18: Hoare triple {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:02:04,688 INFO L290 TraceCheckUtils]: 19: Hoare triple {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:02:04,689 INFO L290 TraceCheckUtils]: 20: Hoare triple {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:02:04,689 INFO L290 TraceCheckUtils]: 21: Hoare triple {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:02:04,690 INFO L290 TraceCheckUtils]: 22: Hoare triple {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:02:04,690 INFO L290 TraceCheckUtils]: 23: Hoare triple {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:02:04,691 INFO L290 TraceCheckUtils]: 24: Hoare triple {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:02:04,691 INFO L290 TraceCheckUtils]: 25: Hoare triple {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:02:04,692 INFO L290 TraceCheckUtils]: 26: Hoare triple {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:02:04,692 INFO L290 TraceCheckUtils]: 27: Hoare triple {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:02:04,707 INFO L290 TraceCheckUtils]: 28: Hoare triple {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:02:04,707 INFO L290 TraceCheckUtils]: 29: Hoare triple {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:02:04,708 INFO L290 TraceCheckUtils]: 30: Hoare triple {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:02:04,708 INFO L290 TraceCheckUtils]: 31: Hoare triple {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:02:04,709 INFO L290 TraceCheckUtils]: 32: Hoare triple {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:02:04,709 INFO L290 TraceCheckUtils]: 33: Hoare triple {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:02:04,709 INFO L290 TraceCheckUtils]: 34: Hoare triple {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:02:04,710 INFO L290 TraceCheckUtils]: 35: Hoare triple {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:02:04,710 INFO L290 TraceCheckUtils]: 36: Hoare triple {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:02:04,711 INFO L290 TraceCheckUtils]: 37: Hoare triple {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:02:04,711 INFO L290 TraceCheckUtils]: 38: Hoare triple {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:02:04,712 INFO L290 TraceCheckUtils]: 39: Hoare triple {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:02:04,712 INFO L290 TraceCheckUtils]: 40: Hoare triple {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:02:04,713 INFO L290 TraceCheckUtils]: 41: Hoare triple {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:02:04,713 INFO L290 TraceCheckUtils]: 42: Hoare triple {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:02:04,714 INFO L290 TraceCheckUtils]: 43: Hoare triple {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:02:04,714 INFO L290 TraceCheckUtils]: 44: Hoare triple {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:02:04,715 INFO L290 TraceCheckUtils]: 45: Hoare triple {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:02:04,715 INFO L290 TraceCheckUtils]: 46: Hoare triple {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:02:04,716 INFO L290 TraceCheckUtils]: 47: Hoare triple {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:02:04,716 INFO L290 TraceCheckUtils]: 48: Hoare triple {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:02:04,717 INFO L290 TraceCheckUtils]: 49: Hoare triple {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:02:04,717 INFO L290 TraceCheckUtils]: 50: Hoare triple {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:02:04,717 INFO L290 TraceCheckUtils]: 51: Hoare triple {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:02:04,718 INFO L290 TraceCheckUtils]: 52: Hoare triple {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:02:04,718 INFO L290 TraceCheckUtils]: 53: Hoare triple {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:02:04,719 INFO L290 TraceCheckUtils]: 54: Hoare triple {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:02:04,719 INFO L290 TraceCheckUtils]: 55: Hoare triple {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:02:04,720 INFO L290 TraceCheckUtils]: 56: Hoare triple {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:02:04,720 INFO L290 TraceCheckUtils]: 57: Hoare triple {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:02:04,721 INFO L290 TraceCheckUtils]: 58: Hoare triple {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36758#(and (<= main_~z~0 51) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:02:04,721 INFO L290 TraceCheckUtils]: 59: Hoare triple {36758#(and (<= main_~z~0 51) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {36703#false} is VALID [2022-04-28 04:02:04,721 INFO L272 TraceCheckUtils]: 60: Hoare triple {36703#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {36703#false} is VALID [2022-04-28 04:02:04,721 INFO L290 TraceCheckUtils]: 61: Hoare triple {36703#false} ~cond := #in~cond; {36703#false} is VALID [2022-04-28 04:02:04,721 INFO L290 TraceCheckUtils]: 62: Hoare triple {36703#false} assume 0 == ~cond; {36703#false} is VALID [2022-04-28 04:02:04,722 INFO L290 TraceCheckUtils]: 63: Hoare triple {36703#false} assume !false; {36703#false} is VALID [2022-04-28 04:02:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:04,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:02:04,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041653266] [2022-04-28 04:02:04,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041653266] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:02:04,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216041640] [2022-04-28 04:02:04,722 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:02:04,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:02:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:02:04,723 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:02:04,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-04-28 04:02:21,957 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-04-28 04:02:21,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:02:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 105 conjunts are in the unsatisfiable core [2022-04-28 04:02:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:21,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:02:22,561 INFO L272 TraceCheckUtils]: 0: Hoare triple {36702#true} call ULTIMATE.init(); {36702#true} is VALID [2022-04-28 04:02:22,561 INFO L290 TraceCheckUtils]: 1: Hoare triple {36702#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 04:02:22,561 INFO L290 TraceCheckUtils]: 2: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 04:02:22,561 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 04:02:22,561 INFO L272 TraceCheckUtils]: 4: Hoare triple {36702#true} call #t~ret7 := main(); {36702#true} is VALID [2022-04-28 04:02:22,561 INFO L290 TraceCheckUtils]: 5: Hoare triple {36702#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {36702#true} is VALID [2022-04-28 04:02:22,561 INFO L290 TraceCheckUtils]: 6: Hoare triple {36702#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {36702#true} is VALID [2022-04-28 04:02:22,562 INFO L290 TraceCheckUtils]: 7: Hoare triple {36702#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {36707#(= main_~z~0 0)} is VALID [2022-04-28 04:02:22,562 INFO L290 TraceCheckUtils]: 8: Hoare triple {36707#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:02:22,562 INFO L290 TraceCheckUtils]: 9: Hoare triple {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:02:22,563 INFO L290 TraceCheckUtils]: 10: Hoare triple {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:02:22,564 INFO L290 TraceCheckUtils]: 11: Hoare triple {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:02:22,564 INFO L290 TraceCheckUtils]: 12: Hoare triple {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:02:22,564 INFO L290 TraceCheckUtils]: 13: Hoare triple {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:02:22,565 INFO L290 TraceCheckUtils]: 14: Hoare triple {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:02:22,566 INFO L290 TraceCheckUtils]: 15: Hoare triple {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:02:22,566 INFO L290 TraceCheckUtils]: 16: Hoare triple {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:02:22,566 INFO L290 TraceCheckUtils]: 17: Hoare triple {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:02:22,567 INFO L290 TraceCheckUtils]: 18: Hoare triple {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:02:22,567 INFO L290 TraceCheckUtils]: 19: Hoare triple {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:02:22,568 INFO L290 TraceCheckUtils]: 20: Hoare triple {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:02:22,568 INFO L290 TraceCheckUtils]: 21: Hoare triple {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:02:22,569 INFO L290 TraceCheckUtils]: 22: Hoare triple {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:02:22,569 INFO L290 TraceCheckUtils]: 23: Hoare triple {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:02:22,570 INFO L290 TraceCheckUtils]: 24: Hoare triple {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:02:22,570 INFO L290 TraceCheckUtils]: 25: Hoare triple {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:02:22,571 INFO L290 TraceCheckUtils]: 26: Hoare triple {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:02:22,571 INFO L290 TraceCheckUtils]: 27: Hoare triple {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:02:22,572 INFO L290 TraceCheckUtils]: 28: Hoare triple {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:02:22,572 INFO L290 TraceCheckUtils]: 29: Hoare triple {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:02:22,573 INFO L290 TraceCheckUtils]: 30: Hoare triple {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:02:22,573 INFO L290 TraceCheckUtils]: 31: Hoare triple {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:02:22,574 INFO L290 TraceCheckUtils]: 32: Hoare triple {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:02:22,574 INFO L290 TraceCheckUtils]: 33: Hoare triple {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:02:22,575 INFO L290 TraceCheckUtils]: 34: Hoare triple {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:02:22,575 INFO L290 TraceCheckUtils]: 35: Hoare triple {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:02:22,576 INFO L290 TraceCheckUtils]: 36: Hoare triple {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:02:22,576 INFO L290 TraceCheckUtils]: 37: Hoare triple {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:02:22,577 INFO L290 TraceCheckUtils]: 38: Hoare triple {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:02:22,577 INFO L290 TraceCheckUtils]: 39: Hoare triple {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:02:22,578 INFO L290 TraceCheckUtils]: 40: Hoare triple {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:02:22,578 INFO L290 TraceCheckUtils]: 41: Hoare triple {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:02:22,579 INFO L290 TraceCheckUtils]: 42: Hoare triple {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:02:22,579 INFO L290 TraceCheckUtils]: 43: Hoare triple {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:02:22,580 INFO L290 TraceCheckUtils]: 44: Hoare triple {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:02:22,580 INFO L290 TraceCheckUtils]: 45: Hoare triple {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:02:22,581 INFO L290 TraceCheckUtils]: 46: Hoare triple {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:02:22,581 INFO L290 TraceCheckUtils]: 47: Hoare triple {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:02:22,582 INFO L290 TraceCheckUtils]: 48: Hoare triple {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:02:22,582 INFO L290 TraceCheckUtils]: 49: Hoare triple {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:02:22,583 INFO L290 TraceCheckUtils]: 50: Hoare triple {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:02:22,583 INFO L290 TraceCheckUtils]: 51: Hoare triple {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:02:22,584 INFO L290 TraceCheckUtils]: 52: Hoare triple {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:02:22,584 INFO L290 TraceCheckUtils]: 53: Hoare triple {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:02:22,585 INFO L290 TraceCheckUtils]: 54: Hoare triple {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:02:22,585 INFO L290 TraceCheckUtils]: 55: Hoare triple {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:02:22,586 INFO L290 TraceCheckUtils]: 56: Hoare triple {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:02:22,586 INFO L290 TraceCheckUtils]: 57: Hoare triple {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:02:22,587 INFO L290 TraceCheckUtils]: 58: Hoare triple {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:02:22,587 INFO L290 TraceCheckUtils]: 59: Hoare triple {36937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {36703#false} is VALID [2022-04-28 04:02:22,587 INFO L272 TraceCheckUtils]: 60: Hoare triple {36703#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {36703#false} is VALID [2022-04-28 04:02:22,587 INFO L290 TraceCheckUtils]: 61: Hoare triple {36703#false} ~cond := #in~cond; {36703#false} is VALID [2022-04-28 04:02:22,587 INFO L290 TraceCheckUtils]: 62: Hoare triple {36703#false} assume 0 == ~cond; {36703#false} is VALID [2022-04-28 04:02:22,587 INFO L290 TraceCheckUtils]: 63: Hoare triple {36703#false} assume !false; {36703#false} is VALID [2022-04-28 04:02:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:22,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:02:26,619 INFO L290 TraceCheckUtils]: 63: Hoare triple {36703#false} assume !false; {36703#false} is VALID [2022-04-28 04:02:26,619 INFO L290 TraceCheckUtils]: 62: Hoare triple {36703#false} assume 0 == ~cond; {36703#false} is VALID [2022-04-28 04:02:26,619 INFO L290 TraceCheckUtils]: 61: Hoare triple {36703#false} ~cond := #in~cond; {36703#false} is VALID [2022-04-28 04:02:26,619 INFO L272 TraceCheckUtils]: 60: Hoare triple {36703#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {36703#false} is VALID [2022-04-28 04:02:26,619 INFO L290 TraceCheckUtils]: 59: Hoare triple {36965#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {36703#false} is VALID [2022-04-28 04:02:26,620 INFO L290 TraceCheckUtils]: 58: Hoare triple {36969#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36965#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,621 INFO L290 TraceCheckUtils]: 57: Hoare triple {36973#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36969#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,624 INFO L290 TraceCheckUtils]: 56: Hoare triple {36977#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36973#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,625 INFO L290 TraceCheckUtils]: 55: Hoare triple {36981#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36977#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,626 INFO L290 TraceCheckUtils]: 54: Hoare triple {36985#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36981#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,626 INFO L290 TraceCheckUtils]: 53: Hoare triple {36989#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36985#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,627 INFO L290 TraceCheckUtils]: 52: Hoare triple {36993#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36989#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,628 INFO L290 TraceCheckUtils]: 51: Hoare triple {36997#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36993#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,628 INFO L290 TraceCheckUtils]: 50: Hoare triple {37001#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36997#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,629 INFO L290 TraceCheckUtils]: 49: Hoare triple {37005#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37001#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,630 INFO L290 TraceCheckUtils]: 48: Hoare triple {37009#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37005#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,630 INFO L290 TraceCheckUtils]: 47: Hoare triple {37013#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37009#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,631 INFO L290 TraceCheckUtils]: 46: Hoare triple {37017#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37013#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,631 INFO L290 TraceCheckUtils]: 45: Hoare triple {37021#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37017#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,632 INFO L290 TraceCheckUtils]: 44: Hoare triple {37025#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37021#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,633 INFO L290 TraceCheckUtils]: 43: Hoare triple {37029#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37025#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,633 INFO L290 TraceCheckUtils]: 42: Hoare triple {37033#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37029#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,634 INFO L290 TraceCheckUtils]: 41: Hoare triple {37037#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37033#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,635 INFO L290 TraceCheckUtils]: 40: Hoare triple {37041#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37037#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,635 INFO L290 TraceCheckUtils]: 39: Hoare triple {37045#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37041#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,636 INFO L290 TraceCheckUtils]: 38: Hoare triple {37049#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37045#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,636 INFO L290 TraceCheckUtils]: 37: Hoare triple {37053#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37049#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,637 INFO L290 TraceCheckUtils]: 36: Hoare triple {37057#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37053#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,638 INFO L290 TraceCheckUtils]: 35: Hoare triple {37061#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37057#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,638 INFO L290 TraceCheckUtils]: 34: Hoare triple {37065#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37061#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,639 INFO L290 TraceCheckUtils]: 33: Hoare triple {37069#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37065#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,640 INFO L290 TraceCheckUtils]: 32: Hoare triple {37073#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37069#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,640 INFO L290 TraceCheckUtils]: 31: Hoare triple {37077#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37073#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,641 INFO L290 TraceCheckUtils]: 30: Hoare triple {37081#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37077#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,642 INFO L290 TraceCheckUtils]: 29: Hoare triple {37085#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37081#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,642 INFO L290 TraceCheckUtils]: 28: Hoare triple {37089#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37085#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,643 INFO L290 TraceCheckUtils]: 27: Hoare triple {37093#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37089#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,643 INFO L290 TraceCheckUtils]: 26: Hoare triple {37097#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37093#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,644 INFO L290 TraceCheckUtils]: 25: Hoare triple {37101#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37097#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,645 INFO L290 TraceCheckUtils]: 24: Hoare triple {37105#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37101#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,645 INFO L290 TraceCheckUtils]: 23: Hoare triple {37109#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37105#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,646 INFO L290 TraceCheckUtils]: 22: Hoare triple {37113#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37109#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,646 INFO L290 TraceCheckUtils]: 21: Hoare triple {37117#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37113#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,647 INFO L290 TraceCheckUtils]: 20: Hoare triple {37121#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37117#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,648 INFO L290 TraceCheckUtils]: 19: Hoare triple {37125#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37121#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,648 INFO L290 TraceCheckUtils]: 18: Hoare triple {37129#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37125#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,649 INFO L290 TraceCheckUtils]: 17: Hoare triple {37133#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37129#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,650 INFO L290 TraceCheckUtils]: 16: Hoare triple {37137#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37133#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,650 INFO L290 TraceCheckUtils]: 15: Hoare triple {37141#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37137#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,651 INFO L290 TraceCheckUtils]: 14: Hoare triple {37145#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37141#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,651 INFO L290 TraceCheckUtils]: 13: Hoare triple {37149#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37145#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,652 INFO L290 TraceCheckUtils]: 12: Hoare triple {37153#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37149#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,653 INFO L290 TraceCheckUtils]: 11: Hoare triple {37157#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37153#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,653 INFO L290 TraceCheckUtils]: 10: Hoare triple {37161#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37157#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,654 INFO L290 TraceCheckUtils]: 9: Hoare triple {37165#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37161#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,655 INFO L290 TraceCheckUtils]: 8: Hoare triple {37169#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37165#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,655 INFO L290 TraceCheckUtils]: 7: Hoare triple {36702#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {37169#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:26,655 INFO L290 TraceCheckUtils]: 6: Hoare triple {36702#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {36702#true} is VALID [2022-04-28 04:02:26,655 INFO L290 TraceCheckUtils]: 5: Hoare triple {36702#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {36702#true} is VALID [2022-04-28 04:02:26,655 INFO L272 TraceCheckUtils]: 4: Hoare triple {36702#true} call #t~ret7 := main(); {36702#true} is VALID [2022-04-28 04:02:26,655 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 04:02:26,655 INFO L290 TraceCheckUtils]: 2: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 04:02:26,655 INFO L290 TraceCheckUtils]: 1: Hoare triple {36702#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 04:02:26,655 INFO L272 TraceCheckUtils]: 0: Hoare triple {36702#true} call ULTIMATE.init(); {36702#true} is VALID [2022-04-28 04:02:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:26,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216041640] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:02:26,656 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:02:26,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 54, 54] total 108 [2022-04-28 04:02:26,656 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:02:26,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1328887820] [2022-04-28 04:02:26,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1328887820] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:02:26,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:02:26,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2022-04-28 04:02:26,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300596392] [2022-04-28 04:02:26,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:02:26,657 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-28 04:02:26,657 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:02:26,657 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:26,689 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:26,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-04-28 04:02:26,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:26,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-04-28 04:02:26,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3021, Invalid=8535, Unknown=0, NotChecked=0, Total=11556 [2022-04-28 04:02:26,690 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:31,949 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2022-04-28 04:02:31,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-04-28 04:02:31,949 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-28 04:02:31,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:02:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 97 transitions. [2022-04-28 04:02:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 97 transitions. [2022-04-28 04:02:31,951 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 97 transitions. [2022-04-28 04:02:32,017 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:32,018 INFO L225 Difference]: With dead ends: 141 [2022-04-28 04:02:32,018 INFO L226 Difference]: Without dead ends: 75 [2022-04-28 04:02:32,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=6035, Invalid=19405, Unknown=0, NotChecked=0, Total=25440 [2022-04-28 04:02:32,020 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2817 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 2817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-04-28 04:02:32,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 2817 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-04-28 04:02:32,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-04-28 04:02:32,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2022-04-28 04:02:32,096 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:02:32,096 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:32,096 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:32,096 INFO L87 Difference]: Start difference. First operand 75 states. Second operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:32,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:32,097 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2022-04-28 04:02:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-04-28 04:02:32,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:32,097 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:32,097 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 75 states. [2022-04-28 04:02:32,098 INFO L87 Difference]: Start difference. First operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 75 states. [2022-04-28 04:02:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:32,098 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2022-04-28 04:02:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-04-28 04:02:32,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:32,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:32,098 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:02:32,098 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:02:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2022-04-28 04:02:32,099 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 64 [2022-04-28 04:02:32,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:02:32,099 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2022-04-28 04:02:32,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:32,100 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 74 states and 78 transitions. [2022-04-28 04:02:32,171 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-04-28 04:02:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-28 04:02:32,171 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:02:32,171 INFO L195 NwaCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:02:32,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2022-04-28 04:02:32,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2022-04-28 04:02:32,372 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:02:32,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:02:32,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1907886914, now seen corresponding path program 103 times [2022-04-28 04:02:32,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:32,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [627324650] [2022-04-28 04:02:32,715 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:02:32,717 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:02:32,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1559103869, now seen corresponding path program 1 times [2022-04-28 04:02:32,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:32,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465923256] [2022-04-28 04:02:32,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:32,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:02:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:32,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:02:32,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1907886914, now seen corresponding path program 104 times [2022-04-28 04:02:32,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:32,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359704153] [2022-04-28 04:02:32,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:02:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:34,105 INFO L290 TraceCheckUtils]: 0: Hoare triple {37939#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 04:02:34,105 INFO L290 TraceCheckUtils]: 1: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 04:02:34,105 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 04:02:34,105 INFO L272 TraceCheckUtils]: 0: Hoare triple {37881#true} call ULTIMATE.init(); {37939#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:02:34,105 INFO L290 TraceCheckUtils]: 1: Hoare triple {37939#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 04:02:34,106 INFO L290 TraceCheckUtils]: 2: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 04:02:34,106 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 04:02:34,106 INFO L272 TraceCheckUtils]: 4: Hoare triple {37881#true} call #t~ret7 := main(); {37881#true} is VALID [2022-04-28 04:02:34,106 INFO L290 TraceCheckUtils]: 5: Hoare triple {37881#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {37881#true} is VALID [2022-04-28 04:02:34,106 INFO L290 TraceCheckUtils]: 6: Hoare triple {37881#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {37881#true} is VALID [2022-04-28 04:02:34,106 INFO L290 TraceCheckUtils]: 7: Hoare triple {37881#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {37886#(= main_~z~0 0)} is VALID [2022-04-28 04:02:34,106 INFO L290 TraceCheckUtils]: 8: Hoare triple {37886#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:02:34,107 INFO L290 TraceCheckUtils]: 9: Hoare triple {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:02:34,107 INFO L290 TraceCheckUtils]: 10: Hoare triple {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:02:34,108 INFO L290 TraceCheckUtils]: 11: Hoare triple {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:02:34,108 INFO L290 TraceCheckUtils]: 12: Hoare triple {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:02:34,109 INFO L290 TraceCheckUtils]: 13: Hoare triple {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:02:34,117 INFO L290 TraceCheckUtils]: 14: Hoare triple {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:02:34,117 INFO L290 TraceCheckUtils]: 15: Hoare triple {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:02:34,118 INFO L290 TraceCheckUtils]: 16: Hoare triple {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:02:34,118 INFO L290 TraceCheckUtils]: 17: Hoare triple {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:02:34,119 INFO L290 TraceCheckUtils]: 18: Hoare triple {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:02:34,119 INFO L290 TraceCheckUtils]: 19: Hoare triple {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:02:34,120 INFO L290 TraceCheckUtils]: 20: Hoare triple {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:02:34,120 INFO L290 TraceCheckUtils]: 21: Hoare triple {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:02:34,121 INFO L290 TraceCheckUtils]: 22: Hoare triple {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:02:34,121 INFO L290 TraceCheckUtils]: 23: Hoare triple {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:02:34,122 INFO L290 TraceCheckUtils]: 24: Hoare triple {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:02:34,122 INFO L290 TraceCheckUtils]: 25: Hoare triple {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:02:34,123 INFO L290 TraceCheckUtils]: 26: Hoare triple {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:02:34,123 INFO L290 TraceCheckUtils]: 27: Hoare triple {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:02:34,124 INFO L290 TraceCheckUtils]: 28: Hoare triple {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:02:34,124 INFO L290 TraceCheckUtils]: 29: Hoare triple {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:02:34,124 INFO L290 TraceCheckUtils]: 30: Hoare triple {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:02:34,125 INFO L290 TraceCheckUtils]: 31: Hoare triple {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:02:34,125 INFO L290 TraceCheckUtils]: 32: Hoare triple {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:02:34,126 INFO L290 TraceCheckUtils]: 33: Hoare triple {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:02:34,126 INFO L290 TraceCheckUtils]: 34: Hoare triple {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:02:34,127 INFO L290 TraceCheckUtils]: 35: Hoare triple {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:02:34,127 INFO L290 TraceCheckUtils]: 36: Hoare triple {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:02:34,128 INFO L290 TraceCheckUtils]: 37: Hoare triple {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:02:34,128 INFO L290 TraceCheckUtils]: 38: Hoare triple {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:02:34,129 INFO L290 TraceCheckUtils]: 39: Hoare triple {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:02:34,129 INFO L290 TraceCheckUtils]: 40: Hoare triple {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:02:34,130 INFO L290 TraceCheckUtils]: 41: Hoare triple {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:02:34,130 INFO L290 TraceCheckUtils]: 42: Hoare triple {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:02:34,130 INFO L290 TraceCheckUtils]: 43: Hoare triple {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:02:34,131 INFO L290 TraceCheckUtils]: 44: Hoare triple {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:02:34,131 INFO L290 TraceCheckUtils]: 45: Hoare triple {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:02:34,132 INFO L290 TraceCheckUtils]: 46: Hoare triple {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:02:34,132 INFO L290 TraceCheckUtils]: 47: Hoare triple {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:02:34,133 INFO L290 TraceCheckUtils]: 48: Hoare triple {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:02:34,133 INFO L290 TraceCheckUtils]: 49: Hoare triple {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:02:34,134 INFO L290 TraceCheckUtils]: 50: Hoare triple {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:02:34,134 INFO L290 TraceCheckUtils]: 51: Hoare triple {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:02:34,135 INFO L290 TraceCheckUtils]: 52: Hoare triple {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:02:34,135 INFO L290 TraceCheckUtils]: 53: Hoare triple {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:02:34,136 INFO L290 TraceCheckUtils]: 54: Hoare triple {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:02:34,136 INFO L290 TraceCheckUtils]: 55: Hoare triple {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:02:34,137 INFO L290 TraceCheckUtils]: 56: Hoare triple {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:02:34,137 INFO L290 TraceCheckUtils]: 57: Hoare triple {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:02:34,137 INFO L290 TraceCheckUtils]: 58: Hoare triple {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:02:34,138 INFO L290 TraceCheckUtils]: 59: Hoare triple {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37938#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 52))} is VALID [2022-04-28 04:02:34,138 INFO L290 TraceCheckUtils]: 60: Hoare triple {37938#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 52))} assume !(~z~0 % 4294967296 < 268435455); {37882#false} is VALID [2022-04-28 04:02:34,138 INFO L272 TraceCheckUtils]: 61: Hoare triple {37882#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {37882#false} is VALID [2022-04-28 04:02:34,139 INFO L290 TraceCheckUtils]: 62: Hoare triple {37882#false} ~cond := #in~cond; {37882#false} is VALID [2022-04-28 04:02:34,139 INFO L290 TraceCheckUtils]: 63: Hoare triple {37882#false} assume 0 == ~cond; {37882#false} is VALID [2022-04-28 04:02:34,139 INFO L290 TraceCheckUtils]: 64: Hoare triple {37882#false} assume !false; {37882#false} is VALID [2022-04-28 04:02:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:34,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:02:34,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359704153] [2022-04-28 04:02:34,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359704153] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:02:34,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793230113] [2022-04-28 04:02:34,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 04:02:34,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:02:34,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:02:34,140 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:02:34,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2022-04-28 04:02:34,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 04:02:34,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:02:34,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 107 conjunts are in the unsatisfiable core [2022-04-28 04:02:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:34,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:02:34,865 INFO L272 TraceCheckUtils]: 0: Hoare triple {37881#true} call ULTIMATE.init(); {37881#true} is VALID [2022-04-28 04:02:34,865 INFO L290 TraceCheckUtils]: 1: Hoare triple {37881#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 04:02:34,866 INFO L290 TraceCheckUtils]: 2: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 04:02:34,866 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 04:02:34,866 INFO L272 TraceCheckUtils]: 4: Hoare triple {37881#true} call #t~ret7 := main(); {37881#true} is VALID [2022-04-28 04:02:34,866 INFO L290 TraceCheckUtils]: 5: Hoare triple {37881#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {37881#true} is VALID [2022-04-28 04:02:34,866 INFO L290 TraceCheckUtils]: 6: Hoare triple {37881#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {37881#true} is VALID [2022-04-28 04:02:34,866 INFO L290 TraceCheckUtils]: 7: Hoare triple {37881#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {37886#(= main_~z~0 0)} is VALID [2022-04-28 04:02:34,866 INFO L290 TraceCheckUtils]: 8: Hoare triple {37886#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:02:34,867 INFO L290 TraceCheckUtils]: 9: Hoare triple {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:02:34,868 INFO L290 TraceCheckUtils]: 10: Hoare triple {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:02:34,868 INFO L290 TraceCheckUtils]: 11: Hoare triple {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:02:34,869 INFO L290 TraceCheckUtils]: 12: Hoare triple {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:02:34,869 INFO L290 TraceCheckUtils]: 13: Hoare triple {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:02:34,870 INFO L290 TraceCheckUtils]: 14: Hoare triple {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:02:34,870 INFO L290 TraceCheckUtils]: 15: Hoare triple {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:02:34,871 INFO L290 TraceCheckUtils]: 16: Hoare triple {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:02:34,871 INFO L290 TraceCheckUtils]: 17: Hoare triple {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:02:34,872 INFO L290 TraceCheckUtils]: 18: Hoare triple {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:02:34,872 INFO L290 TraceCheckUtils]: 19: Hoare triple {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:02:34,873 INFO L290 TraceCheckUtils]: 20: Hoare triple {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:02:34,873 INFO L290 TraceCheckUtils]: 21: Hoare triple {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:02:34,874 INFO L290 TraceCheckUtils]: 22: Hoare triple {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:02:34,874 INFO L290 TraceCheckUtils]: 23: Hoare triple {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:02:34,875 INFO L290 TraceCheckUtils]: 24: Hoare triple {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:02:34,875 INFO L290 TraceCheckUtils]: 25: Hoare triple {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:02:34,876 INFO L290 TraceCheckUtils]: 26: Hoare triple {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:02:34,876 INFO L290 TraceCheckUtils]: 27: Hoare triple {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:02:34,876 INFO L290 TraceCheckUtils]: 28: Hoare triple {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:02:34,877 INFO L290 TraceCheckUtils]: 29: Hoare triple {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:02:34,877 INFO L290 TraceCheckUtils]: 30: Hoare triple {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:02:34,878 INFO L290 TraceCheckUtils]: 31: Hoare triple {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:02:34,878 INFO L290 TraceCheckUtils]: 32: Hoare triple {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:02:34,879 INFO L290 TraceCheckUtils]: 33: Hoare triple {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:02:34,879 INFO L290 TraceCheckUtils]: 34: Hoare triple {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:02:34,880 INFO L290 TraceCheckUtils]: 35: Hoare triple {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:02:34,880 INFO L290 TraceCheckUtils]: 36: Hoare triple {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:02:34,881 INFO L290 TraceCheckUtils]: 37: Hoare triple {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:02:34,881 INFO L290 TraceCheckUtils]: 38: Hoare triple {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:02:34,882 INFO L290 TraceCheckUtils]: 39: Hoare triple {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:02:34,882 INFO L290 TraceCheckUtils]: 40: Hoare triple {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:02:34,883 INFO L290 TraceCheckUtils]: 41: Hoare triple {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:02:34,883 INFO L290 TraceCheckUtils]: 42: Hoare triple {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:02:34,884 INFO L290 TraceCheckUtils]: 43: Hoare triple {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:02:34,884 INFO L290 TraceCheckUtils]: 44: Hoare triple {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:02:34,885 INFO L290 TraceCheckUtils]: 45: Hoare triple {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:02:34,885 INFO L290 TraceCheckUtils]: 46: Hoare triple {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:02:34,886 INFO L290 TraceCheckUtils]: 47: Hoare triple {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:02:34,886 INFO L290 TraceCheckUtils]: 48: Hoare triple {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:02:34,887 INFO L290 TraceCheckUtils]: 49: Hoare triple {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:02:34,887 INFO L290 TraceCheckUtils]: 50: Hoare triple {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:02:34,888 INFO L290 TraceCheckUtils]: 51: Hoare triple {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:02:34,888 INFO L290 TraceCheckUtils]: 52: Hoare triple {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:02:34,889 INFO L290 TraceCheckUtils]: 53: Hoare triple {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:02:34,889 INFO L290 TraceCheckUtils]: 54: Hoare triple {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:02:34,890 INFO L290 TraceCheckUtils]: 55: Hoare triple {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:02:34,890 INFO L290 TraceCheckUtils]: 56: Hoare triple {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:02:34,891 INFO L290 TraceCheckUtils]: 57: Hoare triple {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:02:34,891 INFO L290 TraceCheckUtils]: 58: Hoare triple {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:02:34,892 INFO L290 TraceCheckUtils]: 59: Hoare triple {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38120#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:02:34,892 INFO L290 TraceCheckUtils]: 60: Hoare triple {38120#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !(~z~0 % 4294967296 < 268435455); {37882#false} is VALID [2022-04-28 04:02:34,892 INFO L272 TraceCheckUtils]: 61: Hoare triple {37882#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {37882#false} is VALID [2022-04-28 04:02:34,892 INFO L290 TraceCheckUtils]: 62: Hoare triple {37882#false} ~cond := #in~cond; {37882#false} is VALID [2022-04-28 04:02:34,892 INFO L290 TraceCheckUtils]: 63: Hoare triple {37882#false} assume 0 == ~cond; {37882#false} is VALID [2022-04-28 04:02:34,892 INFO L290 TraceCheckUtils]: 64: Hoare triple {37882#false} assume !false; {37882#false} is VALID [2022-04-28 04:02:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:34,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:02:39,118 INFO L290 TraceCheckUtils]: 64: Hoare triple {37882#false} assume !false; {37882#false} is VALID [2022-04-28 04:02:39,118 INFO L290 TraceCheckUtils]: 63: Hoare triple {37882#false} assume 0 == ~cond; {37882#false} is VALID [2022-04-28 04:02:39,118 INFO L290 TraceCheckUtils]: 62: Hoare triple {37882#false} ~cond := #in~cond; {37882#false} is VALID [2022-04-28 04:02:39,118 INFO L272 TraceCheckUtils]: 61: Hoare triple {37882#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {37882#false} is VALID [2022-04-28 04:02:39,119 INFO L290 TraceCheckUtils]: 60: Hoare triple {38148#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {37882#false} is VALID [2022-04-28 04:02:39,119 INFO L290 TraceCheckUtils]: 59: Hoare triple {38152#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38148#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,120 INFO L290 TraceCheckUtils]: 58: Hoare triple {38156#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38152#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,121 INFO L290 TraceCheckUtils]: 57: Hoare triple {38160#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38156#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,121 INFO L290 TraceCheckUtils]: 56: Hoare triple {38164#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38160#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,122 INFO L290 TraceCheckUtils]: 55: Hoare triple {38168#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38164#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,122 INFO L290 TraceCheckUtils]: 54: Hoare triple {38172#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38168#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,123 INFO L290 TraceCheckUtils]: 53: Hoare triple {38176#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38172#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,124 INFO L290 TraceCheckUtils]: 52: Hoare triple {38180#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38176#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,124 INFO L290 TraceCheckUtils]: 51: Hoare triple {38184#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38180#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,125 INFO L290 TraceCheckUtils]: 50: Hoare triple {38188#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38184#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,125 INFO L290 TraceCheckUtils]: 49: Hoare triple {38192#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38188#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,126 INFO L290 TraceCheckUtils]: 48: Hoare triple {38196#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38192#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,127 INFO L290 TraceCheckUtils]: 47: Hoare triple {38200#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38196#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,127 INFO L290 TraceCheckUtils]: 46: Hoare triple {38204#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38200#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,128 INFO L290 TraceCheckUtils]: 45: Hoare triple {38208#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38204#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,128 INFO L290 TraceCheckUtils]: 44: Hoare triple {38212#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38208#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,129 INFO L290 TraceCheckUtils]: 43: Hoare triple {38216#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38212#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,130 INFO L290 TraceCheckUtils]: 42: Hoare triple {38220#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38216#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,130 INFO L290 TraceCheckUtils]: 41: Hoare triple {38224#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38220#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,131 INFO L290 TraceCheckUtils]: 40: Hoare triple {38228#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38224#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,131 INFO L290 TraceCheckUtils]: 39: Hoare triple {38232#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38228#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,132 INFO L290 TraceCheckUtils]: 38: Hoare triple {38236#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38232#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,133 INFO L290 TraceCheckUtils]: 37: Hoare triple {38240#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38236#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,133 INFO L290 TraceCheckUtils]: 36: Hoare triple {38244#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38240#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,134 INFO L290 TraceCheckUtils]: 35: Hoare triple {38248#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38244#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,150 INFO L290 TraceCheckUtils]: 34: Hoare triple {38252#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38248#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,150 INFO L290 TraceCheckUtils]: 33: Hoare triple {38256#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38252#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,151 INFO L290 TraceCheckUtils]: 32: Hoare triple {38260#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38256#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,152 INFO L290 TraceCheckUtils]: 31: Hoare triple {38264#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38260#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,152 INFO L290 TraceCheckUtils]: 30: Hoare triple {38268#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38264#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,153 INFO L290 TraceCheckUtils]: 29: Hoare triple {38272#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38268#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,154 INFO L290 TraceCheckUtils]: 28: Hoare triple {38276#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38272#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,154 INFO L290 TraceCheckUtils]: 27: Hoare triple {38280#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38276#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,155 INFO L290 TraceCheckUtils]: 26: Hoare triple {38284#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38280#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,155 INFO L290 TraceCheckUtils]: 25: Hoare triple {38288#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38284#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,156 INFO L290 TraceCheckUtils]: 24: Hoare triple {38292#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38288#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,157 INFO L290 TraceCheckUtils]: 23: Hoare triple {38296#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38292#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,157 INFO L290 TraceCheckUtils]: 22: Hoare triple {38300#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38296#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,158 INFO L290 TraceCheckUtils]: 21: Hoare triple {38304#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38300#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,158 INFO L290 TraceCheckUtils]: 20: Hoare triple {38308#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38304#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,159 INFO L290 TraceCheckUtils]: 19: Hoare triple {38312#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38308#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,160 INFO L290 TraceCheckUtils]: 18: Hoare triple {38316#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38312#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,160 INFO L290 TraceCheckUtils]: 17: Hoare triple {38320#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38316#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,161 INFO L290 TraceCheckUtils]: 16: Hoare triple {38324#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38320#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,161 INFO L290 TraceCheckUtils]: 15: Hoare triple {38328#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38324#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,162 INFO L290 TraceCheckUtils]: 14: Hoare triple {38332#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38328#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,163 INFO L290 TraceCheckUtils]: 13: Hoare triple {38336#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38332#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,163 INFO L290 TraceCheckUtils]: 12: Hoare triple {38340#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38336#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,164 INFO L290 TraceCheckUtils]: 11: Hoare triple {38344#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38340#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,164 INFO L290 TraceCheckUtils]: 10: Hoare triple {38348#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38344#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,165 INFO L290 TraceCheckUtils]: 9: Hoare triple {38352#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38348#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,166 INFO L290 TraceCheckUtils]: 8: Hoare triple {38356#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38352#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,166 INFO L290 TraceCheckUtils]: 7: Hoare triple {37881#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {38356#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:02:39,166 INFO L290 TraceCheckUtils]: 6: Hoare triple {37881#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {37881#true} is VALID [2022-04-28 04:02:39,166 INFO L290 TraceCheckUtils]: 5: Hoare triple {37881#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {37881#true} is VALID [2022-04-28 04:02:39,166 INFO L272 TraceCheckUtils]: 4: Hoare triple {37881#true} call #t~ret7 := main(); {37881#true} is VALID [2022-04-28 04:02:39,166 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 04:02:39,166 INFO L290 TraceCheckUtils]: 2: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 04:02:39,166 INFO L290 TraceCheckUtils]: 1: Hoare triple {37881#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 04:02:39,166 INFO L272 TraceCheckUtils]: 0: Hoare triple {37881#true} call ULTIMATE.init(); {37881#true} is VALID [2022-04-28 04:02:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:39,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793230113] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:02:39,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:02:39,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 55, 55] total 110 [2022-04-28 04:02:39,167 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:02:39,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [627324650] [2022-04-28 04:02:39,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [627324650] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:02:39,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:02:39,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2022-04-28 04:02:39,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734554708] [2022-04-28 04:02:39,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:02:39,168 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-04-28 04:02:39,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:02:39,168 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:39,201 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:39,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-04-28 04:02:39,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:39,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-04-28 04:02:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3132, Invalid=8858, Unknown=0, NotChecked=0, Total=11990 [2022-04-28 04:02:39,202 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:44,593 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2022-04-28 04:02:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-28 04:02:44,593 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-04-28 04:02:44,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:02:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2022-04-28 04:02:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2022-04-28 04:02:44,595 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 56 states and 98 transitions. [2022-04-28 04:02:44,656 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:44,657 INFO L225 Difference]: With dead ends: 143 [2022-04-28 04:02:44,657 INFO L226 Difference]: Without dead ends: 76 [2022-04-28 04:02:44,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=6257, Invalid=20149, Unknown=0, NotChecked=0, Total=26406 [2022-04-28 04:02:44,659 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-28 04:02:44,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 38 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-04-28 04:02:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-04-28 04:02:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-04-28 04:02:44,727 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:02:44,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:44,728 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:44,728 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:44,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:44,729 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-04-28 04:02:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-04-28 04:02:44,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:44,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:44,729 INFO L74 IsIncluded]: Start isIncluded. First operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 76 states. [2022-04-28 04:02:44,729 INFO L87 Difference]: Start difference. First operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 76 states. [2022-04-28 04:02:44,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:44,730 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-04-28 04:02:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-04-28 04:02:44,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:44,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:44,730 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:02:44,730 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:02:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2022-04-28 04:02:44,731 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 65 [2022-04-28 04:02:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:02:44,731 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2022-04-28 04:02:44,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:44,731 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 75 states and 79 transitions. [2022-04-28 04:02:44,800 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-04-28 04:02:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-28 04:02:44,800 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:02:44,800 INFO L195 NwaCegarLoop]: trace histogram [53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:02:44,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2022-04-28 04:02:45,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107 [2022-04-28 04:02:45,001 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:02:45,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:02:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash -958745246, now seen corresponding path program 105 times [2022-04-28 04:02:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:45,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1193826044] [2022-04-28 04:02:45,399 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:02:45,401 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:02:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1499998525, now seen corresponding path program 1 times [2022-04-28 04:02:45,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:45,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420741402] [2022-04-28 04:02:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:45,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:45,407 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:02:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:45,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:02:45,410 INFO L85 PathProgramCache]: Analyzing trace with hash -958745246, now seen corresponding path program 106 times [2022-04-28 04:02:45,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:45,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434393506] [2022-04-28 04:02:45,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:45,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:02:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:46,814 INFO L290 TraceCheckUtils]: 0: Hoare triple {39137#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 04:02:46,814 INFO L290 TraceCheckUtils]: 1: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 04:02:46,814 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 04:02:46,814 INFO L272 TraceCheckUtils]: 0: Hoare triple {39078#true} call ULTIMATE.init(); {39137#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:02:46,815 INFO L290 TraceCheckUtils]: 1: Hoare triple {39137#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 04:02:46,815 INFO L290 TraceCheckUtils]: 2: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 04:02:46,815 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 04:02:46,815 INFO L272 TraceCheckUtils]: 4: Hoare triple {39078#true} call #t~ret7 := main(); {39078#true} is VALID [2022-04-28 04:02:46,815 INFO L290 TraceCheckUtils]: 5: Hoare triple {39078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {39078#true} is VALID [2022-04-28 04:02:46,815 INFO L290 TraceCheckUtils]: 6: Hoare triple {39078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {39078#true} is VALID [2022-04-28 04:02:46,815 INFO L290 TraceCheckUtils]: 7: Hoare triple {39078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {39083#(= main_~z~0 0)} is VALID [2022-04-28 04:02:46,820 INFO L290 TraceCheckUtils]: 8: Hoare triple {39083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:02:46,821 INFO L290 TraceCheckUtils]: 9: Hoare triple {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:02:46,821 INFO L290 TraceCheckUtils]: 10: Hoare triple {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:02:46,822 INFO L290 TraceCheckUtils]: 11: Hoare triple {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:02:46,822 INFO L290 TraceCheckUtils]: 12: Hoare triple {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:02:46,823 INFO L290 TraceCheckUtils]: 13: Hoare triple {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:02:46,823 INFO L290 TraceCheckUtils]: 14: Hoare triple {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:02:46,824 INFO L290 TraceCheckUtils]: 15: Hoare triple {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:02:46,824 INFO L290 TraceCheckUtils]: 16: Hoare triple {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:02:46,825 INFO L290 TraceCheckUtils]: 17: Hoare triple {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:02:46,825 INFO L290 TraceCheckUtils]: 18: Hoare triple {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:02:46,826 INFO L290 TraceCheckUtils]: 19: Hoare triple {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:02:46,826 INFO L290 TraceCheckUtils]: 20: Hoare triple {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:02:46,827 INFO L290 TraceCheckUtils]: 21: Hoare triple {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:02:46,827 INFO L290 TraceCheckUtils]: 22: Hoare triple {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:02:46,828 INFO L290 TraceCheckUtils]: 23: Hoare triple {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:02:46,828 INFO L290 TraceCheckUtils]: 24: Hoare triple {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:02:46,829 INFO L290 TraceCheckUtils]: 25: Hoare triple {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:02:46,829 INFO L290 TraceCheckUtils]: 26: Hoare triple {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:02:46,829 INFO L290 TraceCheckUtils]: 27: Hoare triple {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:02:46,830 INFO L290 TraceCheckUtils]: 28: Hoare triple {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:02:46,830 INFO L290 TraceCheckUtils]: 29: Hoare triple {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:02:46,831 INFO L290 TraceCheckUtils]: 30: Hoare triple {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:02:46,831 INFO L290 TraceCheckUtils]: 31: Hoare triple {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:02:46,832 INFO L290 TraceCheckUtils]: 32: Hoare triple {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:02:46,832 INFO L290 TraceCheckUtils]: 33: Hoare triple {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:02:46,833 INFO L290 TraceCheckUtils]: 34: Hoare triple {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:02:46,833 INFO L290 TraceCheckUtils]: 35: Hoare triple {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:02:46,834 INFO L290 TraceCheckUtils]: 36: Hoare triple {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:02:46,834 INFO L290 TraceCheckUtils]: 37: Hoare triple {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:02:46,835 INFO L290 TraceCheckUtils]: 38: Hoare triple {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:02:46,835 INFO L290 TraceCheckUtils]: 39: Hoare triple {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:02:46,836 INFO L290 TraceCheckUtils]: 40: Hoare triple {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:02:46,836 INFO L290 TraceCheckUtils]: 41: Hoare triple {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:02:46,837 INFO L290 TraceCheckUtils]: 42: Hoare triple {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:02:46,837 INFO L290 TraceCheckUtils]: 43: Hoare triple {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:02:46,838 INFO L290 TraceCheckUtils]: 44: Hoare triple {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:02:46,838 INFO L290 TraceCheckUtils]: 45: Hoare triple {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:02:46,838 INFO L290 TraceCheckUtils]: 46: Hoare triple {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:02:46,839 INFO L290 TraceCheckUtils]: 47: Hoare triple {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:02:46,839 INFO L290 TraceCheckUtils]: 48: Hoare triple {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:02:46,840 INFO L290 TraceCheckUtils]: 49: Hoare triple {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:02:46,840 INFO L290 TraceCheckUtils]: 50: Hoare triple {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:02:46,841 INFO L290 TraceCheckUtils]: 51: Hoare triple {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:02:46,841 INFO L290 TraceCheckUtils]: 52: Hoare triple {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:02:46,842 INFO L290 TraceCheckUtils]: 53: Hoare triple {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:02:46,842 INFO L290 TraceCheckUtils]: 54: Hoare triple {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:02:46,843 INFO L290 TraceCheckUtils]: 55: Hoare triple {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:02:46,843 INFO L290 TraceCheckUtils]: 56: Hoare triple {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:02:46,844 INFO L290 TraceCheckUtils]: 57: Hoare triple {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:02:46,844 INFO L290 TraceCheckUtils]: 58: Hoare triple {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:02:46,845 INFO L290 TraceCheckUtils]: 59: Hoare triple {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:02:46,845 INFO L290 TraceCheckUtils]: 60: Hoare triple {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39136#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 53))} is VALID [2022-04-28 04:02:46,846 INFO L290 TraceCheckUtils]: 61: Hoare triple {39136#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 53))} assume !(~z~0 % 4294967296 < 268435455); {39079#false} is VALID [2022-04-28 04:02:46,846 INFO L272 TraceCheckUtils]: 62: Hoare triple {39079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {39079#false} is VALID [2022-04-28 04:02:46,846 INFO L290 TraceCheckUtils]: 63: Hoare triple {39079#false} ~cond := #in~cond; {39079#false} is VALID [2022-04-28 04:02:46,846 INFO L290 TraceCheckUtils]: 64: Hoare triple {39079#false} assume 0 == ~cond; {39079#false} is VALID [2022-04-28 04:02:46,846 INFO L290 TraceCheckUtils]: 65: Hoare triple {39079#false} assume !false; {39079#false} is VALID [2022-04-28 04:02:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:46,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:02:46,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434393506] [2022-04-28 04:02:46,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434393506] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:02:46,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355402108] [2022-04-28 04:02:46,847 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:02:46,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:02:46,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:02:46,848 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:02:46,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-04-28 04:02:46,986 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:02:46,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:02:46,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 109 conjunts are in the unsatisfiable core [2022-04-28 04:02:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:02:47,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:02:47,571 INFO L272 TraceCheckUtils]: 0: Hoare triple {39078#true} call ULTIMATE.init(); {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L290 TraceCheckUtils]: 1: Hoare triple {39078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L290 TraceCheckUtils]: 2: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L272 TraceCheckUtils]: 4: Hoare triple {39078#true} call #t~ret7 := main(); {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L290 TraceCheckUtils]: 5: Hoare triple {39078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L290 TraceCheckUtils]: 6: Hoare triple {39078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {39078#true} is VALID [2022-04-28 04:02:47,571 INFO L290 TraceCheckUtils]: 7: Hoare triple {39078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {39083#(= main_~z~0 0)} is VALID [2022-04-28 04:02:47,572 INFO L290 TraceCheckUtils]: 8: Hoare triple {39083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:02:47,572 INFO L290 TraceCheckUtils]: 9: Hoare triple {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:02:47,573 INFO L290 TraceCheckUtils]: 10: Hoare triple {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:02:47,573 INFO L290 TraceCheckUtils]: 11: Hoare triple {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:02:47,574 INFO L290 TraceCheckUtils]: 12: Hoare triple {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:02:47,574 INFO L290 TraceCheckUtils]: 13: Hoare triple {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:02:47,575 INFO L290 TraceCheckUtils]: 14: Hoare triple {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:02:47,575 INFO L290 TraceCheckUtils]: 15: Hoare triple {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:02:47,576 INFO L290 TraceCheckUtils]: 16: Hoare triple {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:02:47,576 INFO L290 TraceCheckUtils]: 17: Hoare triple {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:02:47,577 INFO L290 TraceCheckUtils]: 18: Hoare triple {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:02:47,577 INFO L290 TraceCheckUtils]: 19: Hoare triple {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:02:47,577 INFO L290 TraceCheckUtils]: 20: Hoare triple {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:02:47,578 INFO L290 TraceCheckUtils]: 21: Hoare triple {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:02:47,578 INFO L290 TraceCheckUtils]: 22: Hoare triple {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:02:47,579 INFO L290 TraceCheckUtils]: 23: Hoare triple {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:02:47,579 INFO L290 TraceCheckUtils]: 24: Hoare triple {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:02:47,580 INFO L290 TraceCheckUtils]: 25: Hoare triple {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:02:47,580 INFO L290 TraceCheckUtils]: 26: Hoare triple {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:02:47,581 INFO L290 TraceCheckUtils]: 27: Hoare triple {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:02:47,581 INFO L290 TraceCheckUtils]: 28: Hoare triple {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:02:47,582 INFO L290 TraceCheckUtils]: 29: Hoare triple {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:02:47,582 INFO L290 TraceCheckUtils]: 30: Hoare triple {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:02:47,583 INFO L290 TraceCheckUtils]: 31: Hoare triple {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:02:47,583 INFO L290 TraceCheckUtils]: 32: Hoare triple {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:02:47,584 INFO L290 TraceCheckUtils]: 33: Hoare triple {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:02:47,584 INFO L290 TraceCheckUtils]: 34: Hoare triple {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:02:47,585 INFO L290 TraceCheckUtils]: 35: Hoare triple {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:02:47,585 INFO L290 TraceCheckUtils]: 36: Hoare triple {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:02:47,585 INFO L290 TraceCheckUtils]: 37: Hoare triple {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:02:47,586 INFO L290 TraceCheckUtils]: 38: Hoare triple {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:02:47,586 INFO L290 TraceCheckUtils]: 39: Hoare triple {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:02:47,587 INFO L290 TraceCheckUtils]: 40: Hoare triple {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:02:47,587 INFO L290 TraceCheckUtils]: 41: Hoare triple {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:02:47,588 INFO L290 TraceCheckUtils]: 42: Hoare triple {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:02:47,588 INFO L290 TraceCheckUtils]: 43: Hoare triple {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:02:47,589 INFO L290 TraceCheckUtils]: 44: Hoare triple {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:02:47,589 INFO L290 TraceCheckUtils]: 45: Hoare triple {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:02:47,590 INFO L290 TraceCheckUtils]: 46: Hoare triple {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:02:47,590 INFO L290 TraceCheckUtils]: 47: Hoare triple {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:02:47,591 INFO L290 TraceCheckUtils]: 48: Hoare triple {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:02:47,591 INFO L290 TraceCheckUtils]: 49: Hoare triple {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:02:47,592 INFO L290 TraceCheckUtils]: 50: Hoare triple {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:02:47,592 INFO L290 TraceCheckUtils]: 51: Hoare triple {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:02:47,593 INFO L290 TraceCheckUtils]: 52: Hoare triple {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:02:47,593 INFO L290 TraceCheckUtils]: 53: Hoare triple {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:02:47,593 INFO L290 TraceCheckUtils]: 54: Hoare triple {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:02:47,594 INFO L290 TraceCheckUtils]: 55: Hoare triple {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:02:47,594 INFO L290 TraceCheckUtils]: 56: Hoare triple {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:02:47,595 INFO L290 TraceCheckUtils]: 57: Hoare triple {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:02:47,595 INFO L290 TraceCheckUtils]: 58: Hoare triple {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:02:47,596 INFO L290 TraceCheckUtils]: 59: Hoare triple {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:02:47,596 INFO L290 TraceCheckUtils]: 60: Hoare triple {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39321#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:02:47,597 INFO L290 TraceCheckUtils]: 61: Hoare triple {39321#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !(~z~0 % 4294967296 < 268435455); {39079#false} is VALID [2022-04-28 04:02:47,597 INFO L272 TraceCheckUtils]: 62: Hoare triple {39079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {39079#false} is VALID [2022-04-28 04:02:47,597 INFO L290 TraceCheckUtils]: 63: Hoare triple {39079#false} ~cond := #in~cond; {39079#false} is VALID [2022-04-28 04:02:47,597 INFO L290 TraceCheckUtils]: 64: Hoare triple {39079#false} assume 0 == ~cond; {39079#false} is VALID [2022-04-28 04:02:47,597 INFO L290 TraceCheckUtils]: 65: Hoare triple {39079#false} assume !false; {39079#false} is VALID [2022-04-28 04:02:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:47,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:02:51,915 INFO L290 TraceCheckUtils]: 65: Hoare triple {39079#false} assume !false; {39079#false} is VALID [2022-04-28 04:02:51,915 INFO L290 TraceCheckUtils]: 64: Hoare triple {39079#false} assume 0 == ~cond; {39079#false} is VALID [2022-04-28 04:02:51,915 INFO L290 TraceCheckUtils]: 63: Hoare triple {39079#false} ~cond := #in~cond; {39079#false} is VALID [2022-04-28 04:02:51,915 INFO L272 TraceCheckUtils]: 62: Hoare triple {39079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {39079#false} is VALID [2022-04-28 04:02:51,916 INFO L290 TraceCheckUtils]: 61: Hoare triple {39349#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {39079#false} is VALID [2022-04-28 04:02:51,916 INFO L290 TraceCheckUtils]: 60: Hoare triple {39353#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39349#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,917 INFO L290 TraceCheckUtils]: 59: Hoare triple {39357#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39353#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,918 INFO L290 TraceCheckUtils]: 58: Hoare triple {39361#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39357#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,918 INFO L290 TraceCheckUtils]: 57: Hoare triple {39365#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39361#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,920 INFO L290 TraceCheckUtils]: 56: Hoare triple {39369#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39365#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,920 INFO L290 TraceCheckUtils]: 55: Hoare triple {39373#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39369#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,921 INFO L290 TraceCheckUtils]: 54: Hoare triple {39377#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39373#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,922 INFO L290 TraceCheckUtils]: 53: Hoare triple {39381#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39377#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,922 INFO L290 TraceCheckUtils]: 52: Hoare triple {39385#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39381#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,923 INFO L290 TraceCheckUtils]: 51: Hoare triple {39389#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39385#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,923 INFO L290 TraceCheckUtils]: 50: Hoare triple {39393#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39389#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,924 INFO L290 TraceCheckUtils]: 49: Hoare triple {39397#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39393#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,925 INFO L290 TraceCheckUtils]: 48: Hoare triple {39401#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39397#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,925 INFO L290 TraceCheckUtils]: 47: Hoare triple {39405#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39401#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,926 INFO L290 TraceCheckUtils]: 46: Hoare triple {39409#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39405#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,927 INFO L290 TraceCheckUtils]: 45: Hoare triple {39413#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39409#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,927 INFO L290 TraceCheckUtils]: 44: Hoare triple {39417#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39413#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,928 INFO L290 TraceCheckUtils]: 43: Hoare triple {39421#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39417#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,929 INFO L290 TraceCheckUtils]: 42: Hoare triple {39425#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39421#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,929 INFO L290 TraceCheckUtils]: 41: Hoare triple {39429#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39425#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,930 INFO L290 TraceCheckUtils]: 40: Hoare triple {39433#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39429#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,930 INFO L290 TraceCheckUtils]: 39: Hoare triple {39437#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39433#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,931 INFO L290 TraceCheckUtils]: 38: Hoare triple {39441#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39437#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,932 INFO L290 TraceCheckUtils]: 37: Hoare triple {39445#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39441#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,932 INFO L290 TraceCheckUtils]: 36: Hoare triple {39449#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39445#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,933 INFO L290 TraceCheckUtils]: 35: Hoare triple {39453#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39449#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,933 INFO L290 TraceCheckUtils]: 34: Hoare triple {39457#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39453#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,934 INFO L290 TraceCheckUtils]: 33: Hoare triple {39461#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39457#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,934 INFO L290 TraceCheckUtils]: 32: Hoare triple {39465#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39461#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,935 INFO L290 TraceCheckUtils]: 31: Hoare triple {39469#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39465#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,936 INFO L290 TraceCheckUtils]: 30: Hoare triple {39473#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39469#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,936 INFO L290 TraceCheckUtils]: 29: Hoare triple {39477#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39473#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,937 INFO L290 TraceCheckUtils]: 28: Hoare triple {39481#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39477#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,938 INFO L290 TraceCheckUtils]: 27: Hoare triple {39485#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39481#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,938 INFO L290 TraceCheckUtils]: 26: Hoare triple {39489#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39485#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,939 INFO L290 TraceCheckUtils]: 25: Hoare triple {39493#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39489#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,939 INFO L290 TraceCheckUtils]: 24: Hoare triple {39497#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39493#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,940 INFO L290 TraceCheckUtils]: 23: Hoare triple {39501#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39497#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,941 INFO L290 TraceCheckUtils]: 22: Hoare triple {39505#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39501#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,941 INFO L290 TraceCheckUtils]: 21: Hoare triple {39509#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39505#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,942 INFO L290 TraceCheckUtils]: 20: Hoare triple {39513#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39509#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,942 INFO L290 TraceCheckUtils]: 19: Hoare triple {39517#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39513#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,943 INFO L290 TraceCheckUtils]: 18: Hoare triple {39521#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39517#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,943 INFO L290 TraceCheckUtils]: 17: Hoare triple {39525#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39521#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,944 INFO L290 TraceCheckUtils]: 16: Hoare triple {39529#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39525#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,945 INFO L290 TraceCheckUtils]: 15: Hoare triple {39533#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39529#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,945 INFO L290 TraceCheckUtils]: 14: Hoare triple {39537#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39533#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,946 INFO L290 TraceCheckUtils]: 13: Hoare triple {39541#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39537#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,946 INFO L290 TraceCheckUtils]: 12: Hoare triple {39545#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39541#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,947 INFO L290 TraceCheckUtils]: 11: Hoare triple {39549#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39545#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,948 INFO L290 TraceCheckUtils]: 10: Hoare triple {39553#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39549#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,948 INFO L290 TraceCheckUtils]: 9: Hoare triple {39557#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39553#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,949 INFO L290 TraceCheckUtils]: 8: Hoare triple {39561#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39557#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,949 INFO L290 TraceCheckUtils]: 7: Hoare triple {39078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {39561#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:02:51,949 INFO L290 TraceCheckUtils]: 6: Hoare triple {39078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {39078#true} is VALID [2022-04-28 04:02:51,949 INFO L290 TraceCheckUtils]: 5: Hoare triple {39078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {39078#true} is VALID [2022-04-28 04:02:51,949 INFO L272 TraceCheckUtils]: 4: Hoare triple {39078#true} call #t~ret7 := main(); {39078#true} is VALID [2022-04-28 04:02:51,950 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 04:02:51,950 INFO L290 TraceCheckUtils]: 2: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 04:02:51,950 INFO L290 TraceCheckUtils]: 1: Hoare triple {39078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 04:02:51,950 INFO L272 TraceCheckUtils]: 0: Hoare triple {39078#true} call ULTIMATE.init(); {39078#true} is VALID [2022-04-28 04:02:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:02:51,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355402108] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:02:51,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:02:51,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 56] total 112 [2022-04-28 04:02:51,951 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:02:51,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1193826044] [2022-04-28 04:02:51,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1193826044] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:02:51,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:02:51,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2022-04-28 04:02:51,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581068022] [2022-04-28 04:02:51,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:02:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-28 04:02:51,951 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:02:51,951 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:51,984 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:51,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-04-28 04:02:51,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:51,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-04-28 04:02:51,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3245, Invalid=9187, Unknown=0, NotChecked=0, Total=12432 [2022-04-28 04:02:51,986 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:58,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:58,150 INFO L93 Difference]: Finished difference Result 145 states and 154 transitions. [2022-04-28 04:02:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-04-28 04:02:58,150 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-28 04:02:58,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:02:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2022-04-28 04:02:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2022-04-28 04:02:58,152 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 57 states and 99 transitions. [2022-04-28 04:02:58,216 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:58,217 INFO L225 Difference]: With dead ends: 145 [2022-04-28 04:02:58,217 INFO L226 Difference]: Without dead ends: 77 [2022-04-28 04:02:58,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=6483, Invalid=20907, Unknown=0, NotChecked=0, Total=27390 [2022-04-28 04:02:58,219 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 3535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-28 04:02:58,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 173 Invalid, 3535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3422 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-04-28 04:02:58,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-04-28 04:02:58,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2022-04-28 04:02:58,286 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:02:58,286 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:58,286 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:58,287 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:58,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:58,287 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2022-04-28 04:02:58,287 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-04-28 04:02:58,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:58,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:58,288 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 77 states. [2022-04-28 04:02:58,288 INFO L87 Difference]: Start difference. First operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 77 states. [2022-04-28 04:02:58,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:02:58,288 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2022-04-28 04:02:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-04-28 04:02:58,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:02:58,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:02:58,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:02:58,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:02:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:02:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2022-04-28 04:02:58,290 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 66 [2022-04-28 04:02:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:02:58,290 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2022-04-28 04:02:58,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:02:58,290 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 76 states and 80 transitions. [2022-04-28 04:02:58,373 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:02:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-04-28 04:02:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-28 04:02:58,373 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:02:58,374 INFO L195 NwaCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:02:58,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2022-04-28 04:02:58,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:02:58,575 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:02:58,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:02:58,576 INFO L85 PathProgramCache]: Analyzing trace with hash 369971010, now seen corresponding path program 107 times [2022-04-28 04:02:58,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:02:58,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2067835665] [2022-04-28 04:02:58,927 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:02:58,928 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:02:58,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1440893181, now seen corresponding path program 1 times [2022-04-28 04:02:58,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:58,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034377657] [2022-04-28 04:02:58,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:58,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:58,935 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:02:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:02:58,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:02:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash 369971010, now seen corresponding path program 108 times [2022-04-28 04:02:58,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:02:58,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879196368] [2022-04-28 04:02:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:02:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:02:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:03:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:00,360 INFO L290 TraceCheckUtils]: 0: Hoare triple {40353#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 04:03:00,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 04:03:00,360 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 04:03:00,360 INFO L272 TraceCheckUtils]: 0: Hoare triple {40293#true} call ULTIMATE.init(); {40353#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:03:00,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {40353#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 04:03:00,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 04:03:00,360 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 04:03:00,360 INFO L272 TraceCheckUtils]: 4: Hoare triple {40293#true} call #t~ret7 := main(); {40293#true} is VALID [2022-04-28 04:03:00,361 INFO L290 TraceCheckUtils]: 5: Hoare triple {40293#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {40293#true} is VALID [2022-04-28 04:03:00,361 INFO L290 TraceCheckUtils]: 6: Hoare triple {40293#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {40293#true} is VALID [2022-04-28 04:03:00,361 INFO L290 TraceCheckUtils]: 7: Hoare triple {40293#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {40298#(= main_~z~0 0)} is VALID [2022-04-28 04:03:00,361 INFO L290 TraceCheckUtils]: 8: Hoare triple {40298#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:00,362 INFO L290 TraceCheckUtils]: 9: Hoare triple {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:00,362 INFO L290 TraceCheckUtils]: 10: Hoare triple {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:00,363 INFO L290 TraceCheckUtils]: 11: Hoare triple {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:00,363 INFO L290 TraceCheckUtils]: 12: Hoare triple {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:00,364 INFO L290 TraceCheckUtils]: 13: Hoare triple {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:00,364 INFO L290 TraceCheckUtils]: 14: Hoare triple {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:00,365 INFO L290 TraceCheckUtils]: 15: Hoare triple {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:00,365 INFO L290 TraceCheckUtils]: 16: Hoare triple {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:00,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:00,366 INFO L290 TraceCheckUtils]: 18: Hoare triple {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:00,367 INFO L290 TraceCheckUtils]: 19: Hoare triple {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:00,367 INFO L290 TraceCheckUtils]: 20: Hoare triple {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:00,368 INFO L290 TraceCheckUtils]: 21: Hoare triple {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:00,368 INFO L290 TraceCheckUtils]: 22: Hoare triple {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:00,369 INFO L290 TraceCheckUtils]: 23: Hoare triple {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:00,369 INFO L290 TraceCheckUtils]: 24: Hoare triple {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:00,369 INFO L290 TraceCheckUtils]: 25: Hoare triple {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:00,370 INFO L290 TraceCheckUtils]: 26: Hoare triple {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:00,370 INFO L290 TraceCheckUtils]: 27: Hoare triple {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:00,371 INFO L290 TraceCheckUtils]: 28: Hoare triple {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:00,371 INFO L290 TraceCheckUtils]: 29: Hoare triple {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:00,372 INFO L290 TraceCheckUtils]: 30: Hoare triple {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:00,372 INFO L290 TraceCheckUtils]: 31: Hoare triple {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:00,373 INFO L290 TraceCheckUtils]: 32: Hoare triple {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:00,373 INFO L290 TraceCheckUtils]: 33: Hoare triple {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:00,374 INFO L290 TraceCheckUtils]: 34: Hoare triple {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:00,374 INFO L290 TraceCheckUtils]: 35: Hoare triple {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:00,375 INFO L290 TraceCheckUtils]: 36: Hoare triple {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:00,375 INFO L290 TraceCheckUtils]: 37: Hoare triple {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:00,376 INFO L290 TraceCheckUtils]: 38: Hoare triple {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:00,376 INFO L290 TraceCheckUtils]: 39: Hoare triple {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:00,377 INFO L290 TraceCheckUtils]: 40: Hoare triple {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:00,377 INFO L290 TraceCheckUtils]: 41: Hoare triple {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:00,378 INFO L290 TraceCheckUtils]: 42: Hoare triple {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:00,378 INFO L290 TraceCheckUtils]: 43: Hoare triple {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:00,379 INFO L290 TraceCheckUtils]: 44: Hoare triple {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:00,379 INFO L290 TraceCheckUtils]: 45: Hoare triple {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:00,379 INFO L290 TraceCheckUtils]: 46: Hoare triple {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:00,380 INFO L290 TraceCheckUtils]: 47: Hoare triple {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:00,380 INFO L290 TraceCheckUtils]: 48: Hoare triple {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:00,381 INFO L290 TraceCheckUtils]: 49: Hoare triple {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:00,381 INFO L290 TraceCheckUtils]: 50: Hoare triple {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:00,382 INFO L290 TraceCheckUtils]: 51: Hoare triple {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:00,382 INFO L290 TraceCheckUtils]: 52: Hoare triple {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:00,383 INFO L290 TraceCheckUtils]: 53: Hoare triple {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:00,383 INFO L290 TraceCheckUtils]: 54: Hoare triple {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:00,384 INFO L290 TraceCheckUtils]: 55: Hoare triple {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:00,384 INFO L290 TraceCheckUtils]: 56: Hoare triple {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:00,385 INFO L290 TraceCheckUtils]: 57: Hoare triple {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:00,385 INFO L290 TraceCheckUtils]: 58: Hoare triple {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:00,386 INFO L290 TraceCheckUtils]: 59: Hoare triple {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:00,386 INFO L290 TraceCheckUtils]: 60: Hoare triple {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:00,387 INFO L290 TraceCheckUtils]: 61: Hoare triple {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40352#(and (<= main_~z~0 54) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:03:00,387 INFO L290 TraceCheckUtils]: 62: Hoare triple {40352#(and (<= main_~z~0 54) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {40294#false} is VALID [2022-04-28 04:03:00,387 INFO L272 TraceCheckUtils]: 63: Hoare triple {40294#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {40294#false} is VALID [2022-04-28 04:03:00,387 INFO L290 TraceCheckUtils]: 64: Hoare triple {40294#false} ~cond := #in~cond; {40294#false} is VALID [2022-04-28 04:03:00,387 INFO L290 TraceCheckUtils]: 65: Hoare triple {40294#false} assume 0 == ~cond; {40294#false} is VALID [2022-04-28 04:03:00,387 INFO L290 TraceCheckUtils]: 66: Hoare triple {40294#false} assume !false; {40294#false} is VALID [2022-04-28 04:03:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:00,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:03:00,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879196368] [2022-04-28 04:03:00,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879196368] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:03:00,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72999535] [2022-04-28 04:03:00,388 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:03:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:03:00,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:03:00,389 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:03:00,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-04-28 04:03:06,595 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2022-04-28 04:03:06,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:03:06,606 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 116 conjunts are in the unsatisfiable core [2022-04-28 04:03:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:06,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:03:07,223 INFO L272 TraceCheckUtils]: 0: Hoare triple {40293#true} call ULTIMATE.init(); {40293#true} is VALID [2022-04-28 04:03:07,223 INFO L290 TraceCheckUtils]: 1: Hoare triple {40293#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 04:03:07,223 INFO L290 TraceCheckUtils]: 2: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 04:03:07,224 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 04:03:07,224 INFO L272 TraceCheckUtils]: 4: Hoare triple {40293#true} call #t~ret7 := main(); {40293#true} is VALID [2022-04-28 04:03:07,224 INFO L290 TraceCheckUtils]: 5: Hoare triple {40293#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {40293#true} is VALID [2022-04-28 04:03:07,224 INFO L290 TraceCheckUtils]: 6: Hoare triple {40293#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {40293#true} is VALID [2022-04-28 04:03:07,224 INFO L290 TraceCheckUtils]: 7: Hoare triple {40293#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {40298#(= main_~z~0 0)} is VALID [2022-04-28 04:03:07,224 INFO L290 TraceCheckUtils]: 8: Hoare triple {40298#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:07,225 INFO L290 TraceCheckUtils]: 9: Hoare triple {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:07,225 INFO L290 TraceCheckUtils]: 10: Hoare triple {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:07,226 INFO L290 TraceCheckUtils]: 11: Hoare triple {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:07,226 INFO L290 TraceCheckUtils]: 12: Hoare triple {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:07,227 INFO L290 TraceCheckUtils]: 13: Hoare triple {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:07,227 INFO L290 TraceCheckUtils]: 14: Hoare triple {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:07,228 INFO L290 TraceCheckUtils]: 15: Hoare triple {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:07,228 INFO L290 TraceCheckUtils]: 16: Hoare triple {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:07,229 INFO L290 TraceCheckUtils]: 17: Hoare triple {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:07,229 INFO L290 TraceCheckUtils]: 18: Hoare triple {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:07,230 INFO L290 TraceCheckUtils]: 19: Hoare triple {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:07,230 INFO L290 TraceCheckUtils]: 20: Hoare triple {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:07,231 INFO L290 TraceCheckUtils]: 21: Hoare triple {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:07,231 INFO L290 TraceCheckUtils]: 22: Hoare triple {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:07,232 INFO L290 TraceCheckUtils]: 23: Hoare triple {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:07,232 INFO L290 TraceCheckUtils]: 24: Hoare triple {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:07,233 INFO L290 TraceCheckUtils]: 25: Hoare triple {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:07,233 INFO L290 TraceCheckUtils]: 26: Hoare triple {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:07,234 INFO L290 TraceCheckUtils]: 27: Hoare triple {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:07,234 INFO L290 TraceCheckUtils]: 28: Hoare triple {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:07,235 INFO L290 TraceCheckUtils]: 29: Hoare triple {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:07,235 INFO L290 TraceCheckUtils]: 30: Hoare triple {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:07,236 INFO L290 TraceCheckUtils]: 31: Hoare triple {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:07,236 INFO L290 TraceCheckUtils]: 32: Hoare triple {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:07,236 INFO L290 TraceCheckUtils]: 33: Hoare triple {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:07,237 INFO L290 TraceCheckUtils]: 34: Hoare triple {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:07,237 INFO L290 TraceCheckUtils]: 35: Hoare triple {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:07,238 INFO L290 TraceCheckUtils]: 36: Hoare triple {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:07,238 INFO L290 TraceCheckUtils]: 37: Hoare triple {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:07,239 INFO L290 TraceCheckUtils]: 38: Hoare triple {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:07,239 INFO L290 TraceCheckUtils]: 39: Hoare triple {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:07,240 INFO L290 TraceCheckUtils]: 40: Hoare triple {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:07,240 INFO L290 TraceCheckUtils]: 41: Hoare triple {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:07,241 INFO L290 TraceCheckUtils]: 42: Hoare triple {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:07,241 INFO L290 TraceCheckUtils]: 43: Hoare triple {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:07,242 INFO L290 TraceCheckUtils]: 44: Hoare triple {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:07,242 INFO L290 TraceCheckUtils]: 45: Hoare triple {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:07,243 INFO L290 TraceCheckUtils]: 46: Hoare triple {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:07,243 INFO L290 TraceCheckUtils]: 47: Hoare triple {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:07,244 INFO L290 TraceCheckUtils]: 48: Hoare triple {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:07,244 INFO L290 TraceCheckUtils]: 49: Hoare triple {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:07,245 INFO L290 TraceCheckUtils]: 50: Hoare triple {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:07,245 INFO L290 TraceCheckUtils]: 51: Hoare triple {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:07,246 INFO L290 TraceCheckUtils]: 52: Hoare triple {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:07,246 INFO L290 TraceCheckUtils]: 53: Hoare triple {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:07,247 INFO L290 TraceCheckUtils]: 54: Hoare triple {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:07,247 INFO L290 TraceCheckUtils]: 55: Hoare triple {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:07,247 INFO L290 TraceCheckUtils]: 56: Hoare triple {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:07,248 INFO L290 TraceCheckUtils]: 57: Hoare triple {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:07,248 INFO L290 TraceCheckUtils]: 58: Hoare triple {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:07,249 INFO L290 TraceCheckUtils]: 59: Hoare triple {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:07,249 INFO L290 TraceCheckUtils]: 60: Hoare triple {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:07,250 INFO L290 TraceCheckUtils]: 61: Hoare triple {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40540#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:03:07,250 INFO L290 TraceCheckUtils]: 62: Hoare triple {40540#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {40294#false} is VALID [2022-04-28 04:03:07,250 INFO L272 TraceCheckUtils]: 63: Hoare triple {40294#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {40294#false} is VALID [2022-04-28 04:03:07,251 INFO L290 TraceCheckUtils]: 64: Hoare triple {40294#false} ~cond := #in~cond; {40294#false} is VALID [2022-04-28 04:03:07,251 INFO L290 TraceCheckUtils]: 65: Hoare triple {40294#false} assume 0 == ~cond; {40294#false} is VALID [2022-04-28 04:03:07,251 INFO L290 TraceCheckUtils]: 66: Hoare triple {40294#false} assume !false; {40294#false} is VALID [2022-04-28 04:03:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:07,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:03:20,584 INFO L290 TraceCheckUtils]: 66: Hoare triple {40294#false} assume !false; {40294#false} is VALID [2022-04-28 04:03:20,584 INFO L290 TraceCheckUtils]: 65: Hoare triple {40294#false} assume 0 == ~cond; {40294#false} is VALID [2022-04-28 04:03:20,584 INFO L290 TraceCheckUtils]: 64: Hoare triple {40294#false} ~cond := #in~cond; {40294#false} is VALID [2022-04-28 04:03:20,584 INFO L272 TraceCheckUtils]: 63: Hoare triple {40294#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {40294#false} is VALID [2022-04-28 04:03:20,584 INFO L290 TraceCheckUtils]: 62: Hoare triple {40568#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {40294#false} is VALID [2022-04-28 04:03:20,585 INFO L290 TraceCheckUtils]: 61: Hoare triple {40572#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (not (< (mod main_~z~0 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40568#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:03:20,586 INFO L290 TraceCheckUtils]: 60: Hoare triple {40576#(or (not (< (mod (+ main_~z~0 1) 4294967296) 268435455)) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40572#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (not (< (mod main_~z~0 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,587 INFO L290 TraceCheckUtils]: 59: Hoare triple {40580#(or (not (< (mod (+ main_~z~0 2) 4294967296) 268435455)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40576#(or (not (< (mod (+ main_~z~0 1) 4294967296) 268435455)) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,587 INFO L290 TraceCheckUtils]: 58: Hoare triple {40584#(or (< (mod (+ main_~z~0 4) 4294967296) 268435455) (not (< (mod (+ main_~z~0 3) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40580#(or (not (< (mod (+ main_~z~0 2) 4294967296) 268435455)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,588 INFO L290 TraceCheckUtils]: 57: Hoare triple {40588#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 4) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40584#(or (< (mod (+ main_~z~0 4) 4294967296) 268435455) (not (< (mod (+ main_~z~0 3) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,589 INFO L290 TraceCheckUtils]: 56: Hoare triple {40592#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (not (< (mod (+ 5 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40588#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 4) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,590 INFO L290 TraceCheckUtils]: 55: Hoare triple {40596#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 6) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40592#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (not (< (mod (+ 5 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,591 INFO L290 TraceCheckUtils]: 54: Hoare triple {40600#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (not (< (mod (+ 7 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40596#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 6) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,591 INFO L290 TraceCheckUtils]: 53: Hoare triple {40604#(or (not (< (mod (+ main_~z~0 8) 4294967296) 268435455)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40600#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (not (< (mod (+ 7 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,592 INFO L290 TraceCheckUtils]: 52: Hoare triple {40608#(or (not (< (mod (+ main_~z~0 9) 4294967296) 268435455)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40604#(or (not (< (mod (+ main_~z~0 8) 4294967296) 268435455)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,593 INFO L290 TraceCheckUtils]: 51: Hoare triple {40612#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (not (< (mod (+ main_~z~0 10) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40608#(or (not (< (mod (+ main_~z~0 9) 4294967296) 268435455)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,594 INFO L290 TraceCheckUtils]: 50: Hoare triple {40616#(or (< (mod (+ main_~z~0 12) 4294967296) 268435455) (not (< (mod (+ main_~z~0 11) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40612#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (not (< (mod (+ main_~z~0 10) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,594 INFO L290 TraceCheckUtils]: 49: Hoare triple {40620#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (not (< (mod (+ main_~z~0 12) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40616#(or (< (mod (+ main_~z~0 12) 4294967296) 268435455) (not (< (mod (+ main_~z~0 11) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,595 INFO L290 TraceCheckUtils]: 48: Hoare triple {40624#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (not (< (mod (+ main_~z~0 13) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40620#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (not (< (mod (+ main_~z~0 12) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,596 INFO L290 TraceCheckUtils]: 47: Hoare triple {40628#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (not (< (mod (+ main_~z~0 14) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40624#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (not (< (mod (+ main_~z~0 13) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,597 INFO L290 TraceCheckUtils]: 46: Hoare triple {40632#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (not (< (mod (+ main_~z~0 15) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40628#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (not (< (mod (+ main_~z~0 14) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,598 INFO L290 TraceCheckUtils]: 45: Hoare triple {40636#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (not (< (mod (+ main_~z~0 16) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40632#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (not (< (mod (+ main_~z~0 15) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,598 INFO L290 TraceCheckUtils]: 44: Hoare triple {40640#(or (not (< (mod (+ main_~z~0 17) 4294967296) 268435455)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40636#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (not (< (mod (+ main_~z~0 16) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,599 INFO L290 TraceCheckUtils]: 43: Hoare triple {40644#(or (not (< (mod (+ main_~z~0 18) 4294967296) 268435455)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40640#(or (not (< (mod (+ main_~z~0 17) 4294967296) 268435455)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,600 INFO L290 TraceCheckUtils]: 42: Hoare triple {40648#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (not (< (mod (+ 19 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40644#(or (not (< (mod (+ main_~z~0 18) 4294967296) 268435455)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,601 INFO L290 TraceCheckUtils]: 41: Hoare triple {40652#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (not (< (mod (+ main_~z~0 20) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40648#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (not (< (mod (+ 19 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,601 INFO L290 TraceCheckUtils]: 40: Hoare triple {40656#(or (< (mod (+ main_~z~0 22) 4294967296) 268435455) (not (< (mod (+ main_~z~0 21) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40652#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (not (< (mod (+ main_~z~0 20) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,602 INFO L290 TraceCheckUtils]: 39: Hoare triple {40660#(or (not (< (mod (+ main_~z~0 22) 4294967296) 268435455)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40656#(or (< (mod (+ main_~z~0 22) 4294967296) 268435455) (not (< (mod (+ main_~z~0 21) 4294967296) 268435455)))} is VALID [2022-04-28 04:03:20,603 INFO L290 TraceCheckUtils]: 38: Hoare triple {40664#(or (not (< (mod (+ 23 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 24) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40660#(or (not (< (mod (+ main_~z~0 22) 4294967296) 268435455)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,604 INFO L290 TraceCheckUtils]: 37: Hoare triple {40668#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40664#(or (not (< (mod (+ 23 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 24) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,605 INFO L290 TraceCheckUtils]: 36: Hoare triple {40672#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40668#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,605 INFO L290 TraceCheckUtils]: 35: Hoare triple {40676#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40672#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,606 INFO L290 TraceCheckUtils]: 34: Hoare triple {40680#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40676#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} is VALID [2022-04-28 04:03:20,607 INFO L290 TraceCheckUtils]: 33: Hoare triple {40684#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40680#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} is VALID [2022-04-28 04:03:20,608 INFO L290 TraceCheckUtils]: 32: Hoare triple {40688#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40684#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,608 INFO L290 TraceCheckUtils]: 31: Hoare triple {40692#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40688#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,609 INFO L290 TraceCheckUtils]: 30: Hoare triple {40696#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40692#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,610 INFO L290 TraceCheckUtils]: 29: Hoare triple {40700#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40696#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,611 INFO L290 TraceCheckUtils]: 28: Hoare triple {40704#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40700#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,612 INFO L290 TraceCheckUtils]: 27: Hoare triple {40708#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40704#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,612 INFO L290 TraceCheckUtils]: 26: Hoare triple {40712#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40708#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,613 INFO L290 TraceCheckUtils]: 25: Hoare triple {40716#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40712#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,614 INFO L290 TraceCheckUtils]: 24: Hoare triple {40720#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40716#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} is VALID [2022-04-28 04:03:20,615 INFO L290 TraceCheckUtils]: 23: Hoare triple {40724#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40720#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} is VALID [2022-04-28 04:03:20,616 INFO L290 TraceCheckUtils]: 22: Hoare triple {40728#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40724#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} is VALID [2022-04-28 04:03:20,617 INFO L290 TraceCheckUtils]: 21: Hoare triple {40732#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40728#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} is VALID [2022-04-28 04:03:20,617 INFO L290 TraceCheckUtils]: 20: Hoare triple {40736#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40732#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,618 INFO L290 TraceCheckUtils]: 19: Hoare triple {40740#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40736#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,619 INFO L290 TraceCheckUtils]: 18: Hoare triple {40744#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40740#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,620 INFO L290 TraceCheckUtils]: 17: Hoare triple {40748#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40744#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} is VALID [2022-04-28 04:03:20,620 INFO L290 TraceCheckUtils]: 16: Hoare triple {40752#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40748#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,621 INFO L290 TraceCheckUtils]: 15: Hoare triple {40756#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40752#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} is VALID [2022-04-28 04:03:20,622 INFO L290 TraceCheckUtils]: 14: Hoare triple {40760#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40756#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} is VALID [2022-04-28 04:03:20,623 INFO L290 TraceCheckUtils]: 13: Hoare triple {40764#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40760#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,624 INFO L290 TraceCheckUtils]: 12: Hoare triple {40768#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40764#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,624 INFO L290 TraceCheckUtils]: 11: Hoare triple {40772#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40768#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,625 INFO L290 TraceCheckUtils]: 10: Hoare triple {40776#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40772#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} is VALID [2022-04-28 04:03:20,626 INFO L290 TraceCheckUtils]: 9: Hoare triple {40780#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40776#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} is VALID [2022-04-28 04:03:20,627 INFO L290 TraceCheckUtils]: 8: Hoare triple {40784#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40780#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} is VALID [2022-04-28 04:03:20,627 INFO L290 TraceCheckUtils]: 7: Hoare triple {40293#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {40784#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:03:20,627 INFO L290 TraceCheckUtils]: 6: Hoare triple {40293#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {40293#true} is VALID [2022-04-28 04:03:20,627 INFO L290 TraceCheckUtils]: 5: Hoare triple {40293#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {40293#true} is VALID [2022-04-28 04:03:20,627 INFO L272 TraceCheckUtils]: 4: Hoare triple {40293#true} call #t~ret7 := main(); {40293#true} is VALID [2022-04-28 04:03:20,627 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 04:03:20,628 INFO L290 TraceCheckUtils]: 2: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 04:03:20,628 INFO L290 TraceCheckUtils]: 1: Hoare triple {40293#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 04:03:20,628 INFO L272 TraceCheckUtils]: 0: Hoare triple {40293#true} call ULTIMATE.init(); {40293#true} is VALID [2022-04-28 04:03:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:20,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72999535] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:03:20,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:03:20,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 57, 57] total 114 [2022-04-28 04:03:20,629 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:03:20,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2067835665] [2022-04-28 04:03:20,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2067835665] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:03:20,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:03:20,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [] total 58 [2022-04-28 04:03:20,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725734665] [2022-04-28 04:03:20,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:03:20,629 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-28 04:03:20,629 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:03:20,630 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:20,663 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:20,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-04-28 04:03:20,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:03:20,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-04-28 04:03:20,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3360, Invalid=9522, Unknown=0, NotChecked=0, Total=12882 [2022-04-28 04:03:20,664 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:26,660 INFO L93 Difference]: Finished difference Result 147 states and 156 transitions. [2022-04-28 04:03:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-04-28 04:03:26,661 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-28 04:03:26,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:03:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 100 transitions. [2022-04-28 04:03:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 100 transitions. [2022-04-28 04:03:26,662 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 58 states and 100 transitions. [2022-04-28 04:03:26,729 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:26,730 INFO L225 Difference]: With dead ends: 147 [2022-04-28 04:03:26,730 INFO L226 Difference]: Without dead ends: 78 [2022-04-28 04:03:26,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1599 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=6713, Invalid=21679, Unknown=0, NotChecked=0, Total=28392 [2022-04-28 04:03:26,732 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-28 04:03:26,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 98 Invalid, 3422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-04-28 04:03:26,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-04-28 04:03:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2022-04-28 04:03:26,800 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:03:26,800 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:26,800 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:26,800 INFO L87 Difference]: Start difference. First operand 78 states. Second operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:26,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:26,801 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2022-04-28 04:03:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-04-28 04:03:26,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:03:26,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:03:26,802 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 78 states. [2022-04-28 04:03:26,802 INFO L87 Difference]: Start difference. First operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 78 states. [2022-04-28 04:03:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:26,802 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2022-04-28 04:03:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-04-28 04:03:26,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:03:26,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:03:26,803 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:03:26,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:03:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2022-04-28 04:03:26,803 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 67 [2022-04-28 04:03:26,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:03:26,804 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2022-04-28 04:03:26,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:26,804 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 77 states and 81 transitions. [2022-04-28 04:03:26,874 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-04-28 04:03:26,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-28 04:03:26,874 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:03:26,875 INFO L195 NwaCegarLoop]: trace histogram [55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:03:26,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2022-04-28 04:03:27,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2022-04-28 04:03:27,075 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:03:27,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:03:27,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1389498014, now seen corresponding path program 109 times [2022-04-28 04:03:27,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:03:27,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [781496130] [2022-04-28 04:03:28,847 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:03:28,993 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:03:28,994 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:03:28,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1381787837, now seen corresponding path program 1 times [2022-04-28 04:03:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:03:28,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034485886] [2022-04-28 04:03:29,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:03:29,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:03:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:03:29,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:03:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:03:29,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:03:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1389498014, now seen corresponding path program 110 times [2022-04-28 04:03:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:03:29,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823178562] [2022-04-28 04:03:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:03:29,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:03:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:03:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:30,489 INFO L290 TraceCheckUtils]: 0: Hoare triple {41587#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 04:03:30,489 INFO L290 TraceCheckUtils]: 1: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 04:03:30,489 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L272 TraceCheckUtils]: 0: Hoare triple {41526#true} call ULTIMATE.init(); {41587#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:03:30,490 INFO L290 TraceCheckUtils]: 1: Hoare triple {41587#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L290 TraceCheckUtils]: 2: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L272 TraceCheckUtils]: 4: Hoare triple {41526#true} call #t~ret7 := main(); {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L290 TraceCheckUtils]: 5: Hoare triple {41526#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L290 TraceCheckUtils]: 6: Hoare triple {41526#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {41526#true} is VALID [2022-04-28 04:03:30,490 INFO L290 TraceCheckUtils]: 7: Hoare triple {41526#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {41531#(= main_~z~0 0)} is VALID [2022-04-28 04:03:30,491 INFO L290 TraceCheckUtils]: 8: Hoare triple {41531#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:30,491 INFO L290 TraceCheckUtils]: 9: Hoare triple {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:30,492 INFO L290 TraceCheckUtils]: 10: Hoare triple {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:30,492 INFO L290 TraceCheckUtils]: 11: Hoare triple {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:30,493 INFO L290 TraceCheckUtils]: 12: Hoare triple {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:30,493 INFO L290 TraceCheckUtils]: 13: Hoare triple {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:30,494 INFO L290 TraceCheckUtils]: 14: Hoare triple {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:30,494 INFO L290 TraceCheckUtils]: 15: Hoare triple {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:30,495 INFO L290 TraceCheckUtils]: 16: Hoare triple {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:30,495 INFO L290 TraceCheckUtils]: 17: Hoare triple {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:30,496 INFO L290 TraceCheckUtils]: 18: Hoare triple {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:30,496 INFO L290 TraceCheckUtils]: 19: Hoare triple {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:30,497 INFO L290 TraceCheckUtils]: 20: Hoare triple {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:30,497 INFO L290 TraceCheckUtils]: 21: Hoare triple {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:30,498 INFO L290 TraceCheckUtils]: 22: Hoare triple {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:30,498 INFO L290 TraceCheckUtils]: 23: Hoare triple {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:30,498 INFO L290 TraceCheckUtils]: 24: Hoare triple {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:30,499 INFO L290 TraceCheckUtils]: 25: Hoare triple {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:30,499 INFO L290 TraceCheckUtils]: 26: Hoare triple {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:30,500 INFO L290 TraceCheckUtils]: 27: Hoare triple {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:30,500 INFO L290 TraceCheckUtils]: 28: Hoare triple {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:30,501 INFO L290 TraceCheckUtils]: 29: Hoare triple {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:30,501 INFO L290 TraceCheckUtils]: 30: Hoare triple {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:30,502 INFO L290 TraceCheckUtils]: 31: Hoare triple {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:30,502 INFO L290 TraceCheckUtils]: 32: Hoare triple {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:30,503 INFO L290 TraceCheckUtils]: 33: Hoare triple {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:30,503 INFO L290 TraceCheckUtils]: 34: Hoare triple {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:30,504 INFO L290 TraceCheckUtils]: 35: Hoare triple {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:30,504 INFO L290 TraceCheckUtils]: 36: Hoare triple {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:30,505 INFO L290 TraceCheckUtils]: 37: Hoare triple {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:30,505 INFO L290 TraceCheckUtils]: 38: Hoare triple {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:30,506 INFO L290 TraceCheckUtils]: 39: Hoare triple {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:30,506 INFO L290 TraceCheckUtils]: 40: Hoare triple {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:30,507 INFO L290 TraceCheckUtils]: 41: Hoare triple {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:30,507 INFO L290 TraceCheckUtils]: 42: Hoare triple {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:30,508 INFO L290 TraceCheckUtils]: 43: Hoare triple {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:30,508 INFO L290 TraceCheckUtils]: 44: Hoare triple {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:30,509 INFO L290 TraceCheckUtils]: 45: Hoare triple {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:30,509 INFO L290 TraceCheckUtils]: 46: Hoare triple {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:30,510 INFO L290 TraceCheckUtils]: 47: Hoare triple {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:30,510 INFO L290 TraceCheckUtils]: 48: Hoare triple {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:30,511 INFO L290 TraceCheckUtils]: 49: Hoare triple {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:30,511 INFO L290 TraceCheckUtils]: 50: Hoare triple {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:30,511 INFO L290 TraceCheckUtils]: 51: Hoare triple {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:30,512 INFO L290 TraceCheckUtils]: 52: Hoare triple {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:30,512 INFO L290 TraceCheckUtils]: 53: Hoare triple {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:30,513 INFO L290 TraceCheckUtils]: 54: Hoare triple {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:30,513 INFO L290 TraceCheckUtils]: 55: Hoare triple {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:30,514 INFO L290 TraceCheckUtils]: 56: Hoare triple {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:30,514 INFO L290 TraceCheckUtils]: 57: Hoare triple {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:30,515 INFO L290 TraceCheckUtils]: 58: Hoare triple {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:30,515 INFO L290 TraceCheckUtils]: 59: Hoare triple {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:30,516 INFO L290 TraceCheckUtils]: 60: Hoare triple {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:30,516 INFO L290 TraceCheckUtils]: 61: Hoare triple {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:03:30,517 INFO L290 TraceCheckUtils]: 62: Hoare triple {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41586#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 55))} is VALID [2022-04-28 04:03:30,517 INFO L290 TraceCheckUtils]: 63: Hoare triple {41586#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 55))} assume !(~z~0 % 4294967296 < 268435455); {41527#false} is VALID [2022-04-28 04:03:30,517 INFO L272 TraceCheckUtils]: 64: Hoare triple {41527#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {41527#false} is VALID [2022-04-28 04:03:30,517 INFO L290 TraceCheckUtils]: 65: Hoare triple {41527#false} ~cond := #in~cond; {41527#false} is VALID [2022-04-28 04:03:30,517 INFO L290 TraceCheckUtils]: 66: Hoare triple {41527#false} assume 0 == ~cond; {41527#false} is VALID [2022-04-28 04:03:30,517 INFO L290 TraceCheckUtils]: 67: Hoare triple {41527#false} assume !false; {41527#false} is VALID [2022-04-28 04:03:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:30,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:03:30,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823178562] [2022-04-28 04:03:30,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823178562] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:03:30,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108458316] [2022-04-28 04:03:30,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 04:03:30,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:03:30,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:03:30,519 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:03:30,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2022-04-28 04:03:30,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 04:03:30,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:03:30,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 113 conjunts are in the unsatisfiable core [2022-04-28 04:03:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:30,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:03:31,211 INFO L272 TraceCheckUtils]: 0: Hoare triple {41526#true} call ULTIMATE.init(); {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L290 TraceCheckUtils]: 1: Hoare triple {41526#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L290 TraceCheckUtils]: 2: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L272 TraceCheckUtils]: 4: Hoare triple {41526#true} call #t~ret7 := main(); {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L290 TraceCheckUtils]: 5: Hoare triple {41526#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L290 TraceCheckUtils]: 6: Hoare triple {41526#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {41526#true} is VALID [2022-04-28 04:03:31,212 INFO L290 TraceCheckUtils]: 7: Hoare triple {41526#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {41531#(= main_~z~0 0)} is VALID [2022-04-28 04:03:31,213 INFO L290 TraceCheckUtils]: 8: Hoare triple {41531#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:31,213 INFO L290 TraceCheckUtils]: 9: Hoare triple {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:31,213 INFO L290 TraceCheckUtils]: 10: Hoare triple {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:31,214 INFO L290 TraceCheckUtils]: 11: Hoare triple {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:31,214 INFO L290 TraceCheckUtils]: 12: Hoare triple {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:31,215 INFO L290 TraceCheckUtils]: 13: Hoare triple {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:31,215 INFO L290 TraceCheckUtils]: 14: Hoare triple {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:31,216 INFO L290 TraceCheckUtils]: 15: Hoare triple {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:31,216 INFO L290 TraceCheckUtils]: 16: Hoare triple {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:31,217 INFO L290 TraceCheckUtils]: 17: Hoare triple {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:31,217 INFO L290 TraceCheckUtils]: 18: Hoare triple {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:31,218 INFO L290 TraceCheckUtils]: 19: Hoare triple {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:31,218 INFO L290 TraceCheckUtils]: 20: Hoare triple {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:31,219 INFO L290 TraceCheckUtils]: 21: Hoare triple {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:31,219 INFO L290 TraceCheckUtils]: 22: Hoare triple {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:31,220 INFO L290 TraceCheckUtils]: 23: Hoare triple {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:31,220 INFO L290 TraceCheckUtils]: 24: Hoare triple {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:31,220 INFO L290 TraceCheckUtils]: 25: Hoare triple {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:31,221 INFO L290 TraceCheckUtils]: 26: Hoare triple {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:31,221 INFO L290 TraceCheckUtils]: 27: Hoare triple {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:31,222 INFO L290 TraceCheckUtils]: 28: Hoare triple {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:31,222 INFO L290 TraceCheckUtils]: 29: Hoare triple {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:31,223 INFO L290 TraceCheckUtils]: 30: Hoare triple {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:31,223 INFO L290 TraceCheckUtils]: 31: Hoare triple {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:31,224 INFO L290 TraceCheckUtils]: 32: Hoare triple {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:31,224 INFO L290 TraceCheckUtils]: 33: Hoare triple {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:31,225 INFO L290 TraceCheckUtils]: 34: Hoare triple {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:31,225 INFO L290 TraceCheckUtils]: 35: Hoare triple {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:31,226 INFO L290 TraceCheckUtils]: 36: Hoare triple {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:31,226 INFO L290 TraceCheckUtils]: 37: Hoare triple {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:31,226 INFO L290 TraceCheckUtils]: 38: Hoare triple {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:31,227 INFO L290 TraceCheckUtils]: 39: Hoare triple {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:31,227 INFO L290 TraceCheckUtils]: 40: Hoare triple {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:31,228 INFO L290 TraceCheckUtils]: 41: Hoare triple {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:31,228 INFO L290 TraceCheckUtils]: 42: Hoare triple {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:31,229 INFO L290 TraceCheckUtils]: 43: Hoare triple {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:31,229 INFO L290 TraceCheckUtils]: 44: Hoare triple {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:31,230 INFO L290 TraceCheckUtils]: 45: Hoare triple {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:31,230 INFO L290 TraceCheckUtils]: 46: Hoare triple {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:31,231 INFO L290 TraceCheckUtils]: 47: Hoare triple {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:31,231 INFO L290 TraceCheckUtils]: 48: Hoare triple {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:31,232 INFO L290 TraceCheckUtils]: 49: Hoare triple {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:31,232 INFO L290 TraceCheckUtils]: 50: Hoare triple {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:31,232 INFO L290 TraceCheckUtils]: 51: Hoare triple {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:31,233 INFO L290 TraceCheckUtils]: 52: Hoare triple {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:31,233 INFO L290 TraceCheckUtils]: 53: Hoare triple {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:31,234 INFO L290 TraceCheckUtils]: 54: Hoare triple {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:31,234 INFO L290 TraceCheckUtils]: 55: Hoare triple {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:31,235 INFO L290 TraceCheckUtils]: 56: Hoare triple {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:31,235 INFO L290 TraceCheckUtils]: 57: Hoare triple {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:31,236 INFO L290 TraceCheckUtils]: 58: Hoare triple {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:31,236 INFO L290 TraceCheckUtils]: 59: Hoare triple {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:31,237 INFO L290 TraceCheckUtils]: 60: Hoare triple {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:31,237 INFO L290 TraceCheckUtils]: 61: Hoare triple {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:03:31,238 INFO L290 TraceCheckUtils]: 62: Hoare triple {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41777#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:03:31,238 INFO L290 TraceCheckUtils]: 63: Hoare triple {41777#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !(~z~0 % 4294967296 < 268435455); {41527#false} is VALID [2022-04-28 04:03:31,238 INFO L272 TraceCheckUtils]: 64: Hoare triple {41527#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {41527#false} is VALID [2022-04-28 04:03:31,238 INFO L290 TraceCheckUtils]: 65: Hoare triple {41527#false} ~cond := #in~cond; {41527#false} is VALID [2022-04-28 04:03:31,238 INFO L290 TraceCheckUtils]: 66: Hoare triple {41527#false} assume 0 == ~cond; {41527#false} is VALID [2022-04-28 04:03:31,238 INFO L290 TraceCheckUtils]: 67: Hoare triple {41527#false} assume !false; {41527#false} is VALID [2022-04-28 04:03:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:31,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:03:35,827 INFO L290 TraceCheckUtils]: 67: Hoare triple {41527#false} assume !false; {41527#false} is VALID [2022-04-28 04:03:35,827 INFO L290 TraceCheckUtils]: 66: Hoare triple {41527#false} assume 0 == ~cond; {41527#false} is VALID [2022-04-28 04:03:35,827 INFO L290 TraceCheckUtils]: 65: Hoare triple {41527#false} ~cond := #in~cond; {41527#false} is VALID [2022-04-28 04:03:35,827 INFO L272 TraceCheckUtils]: 64: Hoare triple {41527#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {41527#false} is VALID [2022-04-28 04:03:35,828 INFO L290 TraceCheckUtils]: 63: Hoare triple {41805#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {41527#false} is VALID [2022-04-28 04:03:35,828 INFO L290 TraceCheckUtils]: 62: Hoare triple {41809#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41805#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,829 INFO L290 TraceCheckUtils]: 61: Hoare triple {41813#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41809#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,829 INFO L290 TraceCheckUtils]: 60: Hoare triple {41817#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41813#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,830 INFO L290 TraceCheckUtils]: 59: Hoare triple {41821#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41817#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,831 INFO L290 TraceCheckUtils]: 58: Hoare triple {41825#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41821#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,832 INFO L290 TraceCheckUtils]: 57: Hoare triple {41829#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41825#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,832 INFO L290 TraceCheckUtils]: 56: Hoare triple {41833#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41829#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,833 INFO L290 TraceCheckUtils]: 55: Hoare triple {41837#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41833#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,834 INFO L290 TraceCheckUtils]: 54: Hoare triple {41841#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41837#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,834 INFO L290 TraceCheckUtils]: 53: Hoare triple {41845#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41841#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,835 INFO L290 TraceCheckUtils]: 52: Hoare triple {41849#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41845#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,835 INFO L290 TraceCheckUtils]: 51: Hoare triple {41853#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41849#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,836 INFO L290 TraceCheckUtils]: 50: Hoare triple {41857#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41853#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,837 INFO L290 TraceCheckUtils]: 49: Hoare triple {41861#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41857#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,837 INFO L290 TraceCheckUtils]: 48: Hoare triple {41865#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41861#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,838 INFO L290 TraceCheckUtils]: 47: Hoare triple {41869#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41865#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,838 INFO L290 TraceCheckUtils]: 46: Hoare triple {41873#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41869#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,839 INFO L290 TraceCheckUtils]: 45: Hoare triple {41877#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41873#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,839 INFO L290 TraceCheckUtils]: 44: Hoare triple {41881#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41877#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,840 INFO L290 TraceCheckUtils]: 43: Hoare triple {41885#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41881#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,841 INFO L290 TraceCheckUtils]: 42: Hoare triple {41889#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41885#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,841 INFO L290 TraceCheckUtils]: 41: Hoare triple {41893#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41889#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,842 INFO L290 TraceCheckUtils]: 40: Hoare triple {41897#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41893#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,842 INFO L290 TraceCheckUtils]: 39: Hoare triple {41901#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41897#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,843 INFO L290 TraceCheckUtils]: 38: Hoare triple {41905#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41901#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,844 INFO L290 TraceCheckUtils]: 37: Hoare triple {41909#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41905#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,844 INFO L290 TraceCheckUtils]: 36: Hoare triple {41913#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41909#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,845 INFO L290 TraceCheckUtils]: 35: Hoare triple {41917#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41913#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,845 INFO L290 TraceCheckUtils]: 34: Hoare triple {41921#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41917#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,846 INFO L290 TraceCheckUtils]: 33: Hoare triple {41925#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41921#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,847 INFO L290 TraceCheckUtils]: 32: Hoare triple {41929#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41925#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,847 INFO L290 TraceCheckUtils]: 31: Hoare triple {41933#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41929#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,848 INFO L290 TraceCheckUtils]: 30: Hoare triple {41937#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41933#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,848 INFO L290 TraceCheckUtils]: 29: Hoare triple {41941#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41937#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,849 INFO L290 TraceCheckUtils]: 28: Hoare triple {41945#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41941#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,849 INFO L290 TraceCheckUtils]: 27: Hoare triple {41949#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41945#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,850 INFO L290 TraceCheckUtils]: 26: Hoare triple {41953#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41949#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,851 INFO L290 TraceCheckUtils]: 25: Hoare triple {41957#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41953#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,851 INFO L290 TraceCheckUtils]: 24: Hoare triple {41961#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41957#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,852 INFO L290 TraceCheckUtils]: 23: Hoare triple {41965#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41961#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,852 INFO L290 TraceCheckUtils]: 22: Hoare triple {41969#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41965#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,853 INFO L290 TraceCheckUtils]: 21: Hoare triple {41973#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41969#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,854 INFO L290 TraceCheckUtils]: 20: Hoare triple {41977#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41973#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,854 INFO L290 TraceCheckUtils]: 19: Hoare triple {41981#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41977#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,855 INFO L290 TraceCheckUtils]: 18: Hoare triple {41985#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41981#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,855 INFO L290 TraceCheckUtils]: 17: Hoare triple {41989#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41985#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,856 INFO L290 TraceCheckUtils]: 16: Hoare triple {41993#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41989#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,857 INFO L290 TraceCheckUtils]: 15: Hoare triple {41997#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41993#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,857 INFO L290 TraceCheckUtils]: 14: Hoare triple {42001#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41997#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,858 INFO L290 TraceCheckUtils]: 13: Hoare triple {42005#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42001#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,858 INFO L290 TraceCheckUtils]: 12: Hoare triple {42009#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42005#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,859 INFO L290 TraceCheckUtils]: 11: Hoare triple {42013#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42009#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,860 INFO L290 TraceCheckUtils]: 10: Hoare triple {42017#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42013#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,861 INFO L290 TraceCheckUtils]: 9: Hoare triple {42021#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42017#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,862 INFO L290 TraceCheckUtils]: 8: Hoare triple {42025#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42021#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,862 INFO L290 TraceCheckUtils]: 7: Hoare triple {41526#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {42025#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 04:03:35,862 INFO L290 TraceCheckUtils]: 6: Hoare triple {41526#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {41526#true} is VALID [2022-04-28 04:03:35,862 INFO L290 TraceCheckUtils]: 5: Hoare triple {41526#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {41526#true} is VALID [2022-04-28 04:03:35,862 INFO L272 TraceCheckUtils]: 4: Hoare triple {41526#true} call #t~ret7 := main(); {41526#true} is VALID [2022-04-28 04:03:35,862 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 04:03:35,862 INFO L290 TraceCheckUtils]: 2: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 04:03:35,863 INFO L290 TraceCheckUtils]: 1: Hoare triple {41526#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 04:03:35,863 INFO L272 TraceCheckUtils]: 0: Hoare triple {41526#true} call ULTIMATE.init(); {41526#true} is VALID [2022-04-28 04:03:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:35,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108458316] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:03:35,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:03:35,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 58, 58] total 116 [2022-04-28 04:03:35,863 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:03:35,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [781496130] [2022-04-28 04:03:35,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [781496130] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:03:35,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:03:35,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2022-04-28 04:03:35,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088282546] [2022-04-28 04:03:35,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:03:35,864 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-04-28 04:03:35,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:03:35,864 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:35,905 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:35,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-04-28 04:03:35,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:03:35,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-04-28 04:03:35,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3477, Invalid=9863, Unknown=0, NotChecked=0, Total=13340 [2022-04-28 04:03:35,907 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:43,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:43,036 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2022-04-28 04:03:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-28 04:03:43,036 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-04-28 04:03:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:03:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 101 transitions. [2022-04-28 04:03:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 101 transitions. [2022-04-28 04:03:43,038 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 101 transitions. [2022-04-28 04:03:43,099 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:43,100 INFO L225 Difference]: With dead ends: 149 [2022-04-28 04:03:43,100 INFO L226 Difference]: Without dead ends: 79 [2022-04-28 04:03:43,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=6947, Invalid=22465, Unknown=0, NotChecked=0, Total=29412 [2022-04-28 04:03:43,102 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 4034 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 4151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 4034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-04-28 04:03:43,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 303 Invalid, 4151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 4034 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-04-28 04:03:43,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-04-28 04:03:43,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-04-28 04:03:43,171 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:03:43,171 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:43,171 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:43,172 INFO L87 Difference]: Start difference. First operand 79 states. Second operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:43,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:43,172 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2022-04-28 04:03:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-04-28 04:03:43,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:03:43,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:03:43,173 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 79 states. [2022-04-28 04:03:43,173 INFO L87 Difference]: Start difference. First operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 79 states. [2022-04-28 04:03:43,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:43,173 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2022-04-28 04:03:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-04-28 04:03:43,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:03:43,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:03:43,174 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:03:43,174 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:03:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2022-04-28 04:03:43,174 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 68 [2022-04-28 04:03:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:03:43,175 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2022-04-28 04:03:43,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:43,175 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 78 states and 82 transitions. [2022-04-28 04:03:43,246 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-04-28 04:03:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-28 04:03:43,247 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:03:43,247 INFO L195 NwaCegarLoop]: trace histogram [56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:03:43,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2022-04-28 04:03:43,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112,SelfDestructingSolverStorable113,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:03:43,448 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:03:43,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:03:43,448 INFO L85 PathProgramCache]: Analyzing trace with hash -98462910, now seen corresponding path program 111 times [2022-04-28 04:03:43,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:03:43,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [906825189] [2022-04-28 04:03:45,469 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:03:45,624 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:03:45,625 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:03:45,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1322682493, now seen corresponding path program 1 times [2022-04-28 04:03:45,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:03:45,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060948197] [2022-04-28 04:03:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:03:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:03:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:03:45,633 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:03:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:03:45,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:03:45,636 INFO L85 PathProgramCache]: Analyzing trace with hash -98462910, now seen corresponding path program 112 times [2022-04-28 04:03:45,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:03:45,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877103320] [2022-04-28 04:03:45,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:03:45,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:03:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:03:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:47,201 INFO L290 TraceCheckUtils]: 0: Hoare triple {42839#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 04:03:47,201 INFO L290 TraceCheckUtils]: 1: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 04:03:47,201 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 04:03:47,201 INFO L272 TraceCheckUtils]: 0: Hoare triple {42777#true} call ULTIMATE.init(); {42839#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:03:47,201 INFO L290 TraceCheckUtils]: 1: Hoare triple {42839#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 04:03:47,201 INFO L290 TraceCheckUtils]: 2: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 04:03:47,201 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 04:03:47,201 INFO L272 TraceCheckUtils]: 4: Hoare triple {42777#true} call #t~ret7 := main(); {42777#true} is VALID [2022-04-28 04:03:47,202 INFO L290 TraceCheckUtils]: 5: Hoare triple {42777#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {42777#true} is VALID [2022-04-28 04:03:47,202 INFO L290 TraceCheckUtils]: 6: Hoare triple {42777#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {42777#true} is VALID [2022-04-28 04:03:47,202 INFO L290 TraceCheckUtils]: 7: Hoare triple {42777#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {42782#(= main_~z~0 0)} is VALID [2022-04-28 04:03:47,202 INFO L290 TraceCheckUtils]: 8: Hoare triple {42782#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:47,203 INFO L290 TraceCheckUtils]: 9: Hoare triple {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:47,203 INFO L290 TraceCheckUtils]: 10: Hoare triple {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:47,204 INFO L290 TraceCheckUtils]: 11: Hoare triple {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:47,204 INFO L290 TraceCheckUtils]: 12: Hoare triple {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:47,205 INFO L290 TraceCheckUtils]: 13: Hoare triple {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:47,205 INFO L290 TraceCheckUtils]: 14: Hoare triple {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:47,206 INFO L290 TraceCheckUtils]: 15: Hoare triple {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:47,206 INFO L290 TraceCheckUtils]: 16: Hoare triple {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:47,206 INFO L290 TraceCheckUtils]: 17: Hoare triple {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:47,207 INFO L290 TraceCheckUtils]: 18: Hoare triple {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:47,207 INFO L290 TraceCheckUtils]: 19: Hoare triple {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:47,208 INFO L290 TraceCheckUtils]: 20: Hoare triple {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:47,208 INFO L290 TraceCheckUtils]: 21: Hoare triple {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:47,209 INFO L290 TraceCheckUtils]: 22: Hoare triple {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:47,209 INFO L290 TraceCheckUtils]: 23: Hoare triple {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:47,210 INFO L290 TraceCheckUtils]: 24: Hoare triple {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:47,210 INFO L290 TraceCheckUtils]: 25: Hoare triple {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:47,211 INFO L290 TraceCheckUtils]: 26: Hoare triple {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:47,211 INFO L290 TraceCheckUtils]: 27: Hoare triple {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:47,212 INFO L290 TraceCheckUtils]: 28: Hoare triple {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:47,212 INFO L290 TraceCheckUtils]: 29: Hoare triple {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:47,213 INFO L290 TraceCheckUtils]: 30: Hoare triple {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:47,213 INFO L290 TraceCheckUtils]: 31: Hoare triple {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:47,213 INFO L290 TraceCheckUtils]: 32: Hoare triple {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:47,214 INFO L290 TraceCheckUtils]: 33: Hoare triple {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:47,214 INFO L290 TraceCheckUtils]: 34: Hoare triple {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:47,215 INFO L290 TraceCheckUtils]: 35: Hoare triple {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:47,215 INFO L290 TraceCheckUtils]: 36: Hoare triple {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:47,216 INFO L290 TraceCheckUtils]: 37: Hoare triple {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:47,216 INFO L290 TraceCheckUtils]: 38: Hoare triple {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:47,217 INFO L290 TraceCheckUtils]: 39: Hoare triple {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:47,217 INFO L290 TraceCheckUtils]: 40: Hoare triple {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:47,218 INFO L290 TraceCheckUtils]: 41: Hoare triple {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:47,218 INFO L290 TraceCheckUtils]: 42: Hoare triple {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:47,218 INFO L290 TraceCheckUtils]: 43: Hoare triple {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:47,219 INFO L290 TraceCheckUtils]: 44: Hoare triple {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:47,219 INFO L290 TraceCheckUtils]: 45: Hoare triple {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:47,220 INFO L290 TraceCheckUtils]: 46: Hoare triple {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:47,220 INFO L290 TraceCheckUtils]: 47: Hoare triple {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:47,221 INFO L290 TraceCheckUtils]: 48: Hoare triple {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:47,221 INFO L290 TraceCheckUtils]: 49: Hoare triple {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:47,222 INFO L290 TraceCheckUtils]: 50: Hoare triple {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:47,222 INFO L290 TraceCheckUtils]: 51: Hoare triple {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:47,223 INFO L290 TraceCheckUtils]: 52: Hoare triple {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:47,223 INFO L290 TraceCheckUtils]: 53: Hoare triple {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:47,224 INFO L290 TraceCheckUtils]: 54: Hoare triple {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:47,224 INFO L290 TraceCheckUtils]: 55: Hoare triple {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:47,224 INFO L290 TraceCheckUtils]: 56: Hoare triple {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:47,225 INFO L290 TraceCheckUtils]: 57: Hoare triple {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:47,225 INFO L290 TraceCheckUtils]: 58: Hoare triple {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:47,226 INFO L290 TraceCheckUtils]: 59: Hoare triple {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:47,226 INFO L290 TraceCheckUtils]: 60: Hoare triple {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:47,227 INFO L290 TraceCheckUtils]: 61: Hoare triple {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:03:47,227 INFO L290 TraceCheckUtils]: 62: Hoare triple {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:03:47,228 INFO L290 TraceCheckUtils]: 63: Hoare triple {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42838#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 56))} is VALID [2022-04-28 04:03:47,228 INFO L290 TraceCheckUtils]: 64: Hoare triple {42838#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 56))} assume !(~z~0 % 4294967296 < 268435455); {42778#false} is VALID [2022-04-28 04:03:47,228 INFO L272 TraceCheckUtils]: 65: Hoare triple {42778#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {42778#false} is VALID [2022-04-28 04:03:47,228 INFO L290 TraceCheckUtils]: 66: Hoare triple {42778#false} ~cond := #in~cond; {42778#false} is VALID [2022-04-28 04:03:47,228 INFO L290 TraceCheckUtils]: 67: Hoare triple {42778#false} assume 0 == ~cond; {42778#false} is VALID [2022-04-28 04:03:47,228 INFO L290 TraceCheckUtils]: 68: Hoare triple {42778#false} assume !false; {42778#false} is VALID [2022-04-28 04:03:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:47,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:03:47,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877103320] [2022-04-28 04:03:47,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877103320] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:03:47,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141052107] [2022-04-28 04:03:47,229 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:03:47,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:03:47,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:03:47,231 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:03:47,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2022-04-28 04:03:47,343 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:03:47,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:03:47,346 WARN L261 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 117 conjunts are in the unsatisfiable core [2022-04-28 04:03:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:47,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:03:48,031 INFO L272 TraceCheckUtils]: 0: Hoare triple {42777#true} call ULTIMATE.init(); {42777#true} is VALID [2022-04-28 04:03:48,031 INFO L290 TraceCheckUtils]: 1: Hoare triple {42777#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 04:03:48,031 INFO L290 TraceCheckUtils]: 2: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 04:03:48,031 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 04:03:48,031 INFO L272 TraceCheckUtils]: 4: Hoare triple {42777#true} call #t~ret7 := main(); {42777#true} is VALID [2022-04-28 04:03:48,031 INFO L290 TraceCheckUtils]: 5: Hoare triple {42777#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {42777#true} is VALID [2022-04-28 04:03:48,031 INFO L290 TraceCheckUtils]: 6: Hoare triple {42777#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {42777#true} is VALID [2022-04-28 04:03:48,032 INFO L290 TraceCheckUtils]: 7: Hoare triple {42777#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {42782#(= main_~z~0 0)} is VALID [2022-04-28 04:03:48,032 INFO L290 TraceCheckUtils]: 8: Hoare triple {42782#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:48,033 INFO L290 TraceCheckUtils]: 9: Hoare triple {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:48,033 INFO L290 TraceCheckUtils]: 10: Hoare triple {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:48,034 INFO L290 TraceCheckUtils]: 11: Hoare triple {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:48,034 INFO L290 TraceCheckUtils]: 12: Hoare triple {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:48,035 INFO L290 TraceCheckUtils]: 13: Hoare triple {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:48,035 INFO L290 TraceCheckUtils]: 14: Hoare triple {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:48,036 INFO L290 TraceCheckUtils]: 15: Hoare triple {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:48,036 INFO L290 TraceCheckUtils]: 16: Hoare triple {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:48,037 INFO L290 TraceCheckUtils]: 17: Hoare triple {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:48,037 INFO L290 TraceCheckUtils]: 18: Hoare triple {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:48,038 INFO L290 TraceCheckUtils]: 19: Hoare triple {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:48,038 INFO L290 TraceCheckUtils]: 20: Hoare triple {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:48,038 INFO L290 TraceCheckUtils]: 21: Hoare triple {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:48,039 INFO L290 TraceCheckUtils]: 22: Hoare triple {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:48,039 INFO L290 TraceCheckUtils]: 23: Hoare triple {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:48,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:48,040 INFO L290 TraceCheckUtils]: 25: Hoare triple {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:48,041 INFO L290 TraceCheckUtils]: 26: Hoare triple {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:48,041 INFO L290 TraceCheckUtils]: 27: Hoare triple {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:48,042 INFO L290 TraceCheckUtils]: 28: Hoare triple {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:48,042 INFO L290 TraceCheckUtils]: 29: Hoare triple {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:48,043 INFO L290 TraceCheckUtils]: 30: Hoare triple {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:48,043 INFO L290 TraceCheckUtils]: 31: Hoare triple {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:48,044 INFO L290 TraceCheckUtils]: 32: Hoare triple {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:48,044 INFO L290 TraceCheckUtils]: 33: Hoare triple {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:48,045 INFO L290 TraceCheckUtils]: 34: Hoare triple {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:48,045 INFO L290 TraceCheckUtils]: 35: Hoare triple {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:48,046 INFO L290 TraceCheckUtils]: 36: Hoare triple {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:48,046 INFO L290 TraceCheckUtils]: 37: Hoare triple {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:48,047 INFO L290 TraceCheckUtils]: 38: Hoare triple {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:48,047 INFO L290 TraceCheckUtils]: 39: Hoare triple {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:48,048 INFO L290 TraceCheckUtils]: 40: Hoare triple {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:48,048 INFO L290 TraceCheckUtils]: 41: Hoare triple {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:48,049 INFO L290 TraceCheckUtils]: 42: Hoare triple {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:48,049 INFO L290 TraceCheckUtils]: 43: Hoare triple {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:48,050 INFO L290 TraceCheckUtils]: 44: Hoare triple {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:48,050 INFO L290 TraceCheckUtils]: 45: Hoare triple {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:48,051 INFO L290 TraceCheckUtils]: 46: Hoare triple {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:48,051 INFO L290 TraceCheckUtils]: 47: Hoare triple {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:48,052 INFO L290 TraceCheckUtils]: 48: Hoare triple {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:48,052 INFO L290 TraceCheckUtils]: 49: Hoare triple {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:48,053 INFO L290 TraceCheckUtils]: 50: Hoare triple {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:48,053 INFO L290 TraceCheckUtils]: 51: Hoare triple {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:48,054 INFO L290 TraceCheckUtils]: 52: Hoare triple {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:48,054 INFO L290 TraceCheckUtils]: 53: Hoare triple {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:48,055 INFO L290 TraceCheckUtils]: 54: Hoare triple {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:48,055 INFO L290 TraceCheckUtils]: 55: Hoare triple {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:48,056 INFO L290 TraceCheckUtils]: 56: Hoare triple {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:48,056 INFO L290 TraceCheckUtils]: 57: Hoare triple {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:48,057 INFO L290 TraceCheckUtils]: 58: Hoare triple {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:48,057 INFO L290 TraceCheckUtils]: 59: Hoare triple {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:48,058 INFO L290 TraceCheckUtils]: 60: Hoare triple {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:48,058 INFO L290 TraceCheckUtils]: 61: Hoare triple {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:03:48,059 INFO L290 TraceCheckUtils]: 62: Hoare triple {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:03:48,059 INFO L290 TraceCheckUtils]: 63: Hoare triple {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:03:48,059 INFO L290 TraceCheckUtils]: 64: Hoare triple {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !(~z~0 % 4294967296 < 268435455); {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:03:48,060 INFO L272 TraceCheckUtils]: 65: Hoare triple {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 04:03:48,060 INFO L290 TraceCheckUtils]: 66: Hoare triple {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {43043#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 04:03:48,061 INFO L290 TraceCheckUtils]: 67: Hoare triple {43043#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {42778#false} is VALID [2022-04-28 04:03:48,061 INFO L290 TraceCheckUtils]: 68: Hoare triple {42778#false} assume !false; {42778#false} is VALID [2022-04-28 04:03:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:48,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:03:48,499 INFO L290 TraceCheckUtils]: 68: Hoare triple {42778#false} assume !false; {42778#false} is VALID [2022-04-28 04:03:48,499 INFO L290 TraceCheckUtils]: 67: Hoare triple {43043#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {42778#false} is VALID [2022-04-28 04:03:48,500 INFO L290 TraceCheckUtils]: 66: Hoare triple {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {43043#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 04:03:48,500 INFO L272 TraceCheckUtils]: 65: Hoare triple {43059#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 04:03:48,500 INFO L290 TraceCheckUtils]: 64: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,501 INFO L290 TraceCheckUtils]: 63: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,501 INFO L290 TraceCheckUtils]: 62: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,502 INFO L290 TraceCheckUtils]: 61: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,503 INFO L290 TraceCheckUtils]: 60: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,504 INFO L290 TraceCheckUtils]: 59: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,504 INFO L290 TraceCheckUtils]: 58: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,505 INFO L290 TraceCheckUtils]: 57: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,506 INFO L290 TraceCheckUtils]: 56: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,507 INFO L290 TraceCheckUtils]: 55: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,507 INFO L290 TraceCheckUtils]: 54: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,508 INFO L290 TraceCheckUtils]: 53: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,508 INFO L290 TraceCheckUtils]: 52: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,509 INFO L290 TraceCheckUtils]: 51: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,509 INFO L290 TraceCheckUtils]: 50: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,510 INFO L290 TraceCheckUtils]: 49: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,510 INFO L290 TraceCheckUtils]: 48: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,511 INFO L290 TraceCheckUtils]: 47: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,512 INFO L290 TraceCheckUtils]: 46: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,512 INFO L290 TraceCheckUtils]: 45: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,514 INFO L290 TraceCheckUtils]: 44: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,514 INFO L290 TraceCheckUtils]: 43: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,515 INFO L290 TraceCheckUtils]: 42: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,515 INFO L290 TraceCheckUtils]: 41: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,516 INFO L290 TraceCheckUtils]: 40: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,517 INFO L290 TraceCheckUtils]: 39: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,517 INFO L290 TraceCheckUtils]: 38: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,518 INFO L290 TraceCheckUtils]: 37: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,520 INFO L290 TraceCheckUtils]: 36: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,520 INFO L290 TraceCheckUtils]: 35: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,521 INFO L290 TraceCheckUtils]: 34: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,521 INFO L290 TraceCheckUtils]: 33: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,524 INFO L290 TraceCheckUtils]: 32: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,524 INFO L290 TraceCheckUtils]: 31: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,525 INFO L290 TraceCheckUtils]: 30: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,525 INFO L290 TraceCheckUtils]: 29: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,526 INFO L290 TraceCheckUtils]: 28: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,527 INFO L290 TraceCheckUtils]: 27: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,527 INFO L290 TraceCheckUtils]: 26: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,528 INFO L290 TraceCheckUtils]: 25: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,529 INFO L290 TraceCheckUtils]: 24: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,529 INFO L290 TraceCheckUtils]: 23: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,530 INFO L290 TraceCheckUtils]: 22: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,530 INFO L290 TraceCheckUtils]: 21: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,531 INFO L290 TraceCheckUtils]: 20: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,532 INFO L290 TraceCheckUtils]: 19: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,532 INFO L290 TraceCheckUtils]: 18: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,533 INFO L290 TraceCheckUtils]: 17: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,533 INFO L290 TraceCheckUtils]: 16: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,534 INFO L290 TraceCheckUtils]: 15: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,534 INFO L290 TraceCheckUtils]: 14: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,535 INFO L290 TraceCheckUtils]: 13: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,535 INFO L290 TraceCheckUtils]: 12: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,536 INFO L290 TraceCheckUtils]: 11: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,536 INFO L290 TraceCheckUtils]: 10: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 04:03:48,537 INFO L290 TraceCheckUtils]: 9: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 04:03:48,538 INFO L290 TraceCheckUtils]: 8: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 04:03:48,538 INFO L290 TraceCheckUtils]: 7: Hoare triple {42777#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:03:48,538 INFO L290 TraceCheckUtils]: 6: Hoare triple {42777#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {42777#true} is VALID [2022-04-28 04:03:48,538 INFO L290 TraceCheckUtils]: 5: Hoare triple {42777#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {42777#true} is VALID [2022-04-28 04:03:48,538 INFO L272 TraceCheckUtils]: 4: Hoare triple {42777#true} call #t~ret7 := main(); {42777#true} is VALID [2022-04-28 04:03:48,538 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 04:03:48,538 INFO L290 TraceCheckUtils]: 2: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 04:03:48,538 INFO L290 TraceCheckUtils]: 1: Hoare triple {42777#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 04:03:48,539 INFO L272 TraceCheckUtils]: 0: Hoare triple {42777#true} call ULTIMATE.init(); {42777#true} is VALID [2022-04-28 04:03:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1218 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-04-28 04:03:48,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141052107] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:03:48,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:03:48,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 61, 8] total 67 [2022-04-28 04:03:48,540 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:03:48,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [906825189] [2022-04-28 04:03:48,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [906825189] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:03:48,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:03:48,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-04-28 04:03:48,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542185173] [2022-04-28 04:03:48,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:03:48,540 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-04-28 04:03:48,540 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:03:48,541 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:48,575 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:48,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-04-28 04:03:48,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:03:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-04-28 04:03:48,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=4177, Unknown=0, NotChecked=0, Total=4422 [2022-04-28 04:03:48,576 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:54,951 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2022-04-28 04:03:54,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-04-28 04:03:54,951 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-04-28 04:03:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:03:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 102 transitions. [2022-04-28 04:03:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 102 transitions. [2022-04-28 04:03:54,953 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 60 states and 102 transitions. [2022-04-28 04:03:55,018 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:55,019 INFO L225 Difference]: With dead ends: 151 [2022-04-28 04:03:55,019 INFO L226 Difference]: Without dead ends: 80 [2022-04-28 04:03:55,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1620 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=641, Invalid=14611, Unknown=0, NotChecked=0, Total=15252 [2022-04-28 04:03:55,020 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-28 04:03:55,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 68 Invalid, 3562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-04-28 04:03:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-04-28 04:03:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2022-04-28 04:03:55,096 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:03:55,097 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:55,097 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:55,097 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:55,098 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-04-28 04:03:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-04-28 04:03:55,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:03:55,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:03:55,098 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 80 states. [2022-04-28 04:03:55,098 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 80 states. [2022-04-28 04:03:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:03:55,099 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-04-28 04:03:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-04-28 04:03:55,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:03:55,099 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:03:55,099 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:03:55,099 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:03:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:03:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2022-04-28 04:03:55,100 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 69 [2022-04-28 04:03:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:03:55,100 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2022-04-28 04:03:55,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:03:55,100 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 79 states and 83 transitions. [2022-04-28 04:03:55,176 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:03:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-04-28 04:03:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-28 04:03:55,176 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:03:55,176 INFO L195 NwaCegarLoop]: trace histogram [57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:03:55,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2022-04-28 04:03:55,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2022-04-28 04:03:55,377 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:03:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:03:55,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1268919650, now seen corresponding path program 113 times [2022-04-28 04:03:55,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:03:55,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1802657118] [2022-04-28 04:03:57,428 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:03:57,555 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:03:57,556 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:03:57,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1263577149, now seen corresponding path program 1 times [2022-04-28 04:03:57,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:03:57,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288446950] [2022-04-28 04:03:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:03:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:03:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:03:57,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:03:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:03:57,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:03:57,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1268919650, now seen corresponding path program 114 times [2022-04-28 04:03:57,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:03:57,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437653718] [2022-04-28 04:03:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:03:57,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:03:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:03:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:03:59,194 INFO L290 TraceCheckUtils]: 0: Hoare triple {44058#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 04:03:59,194 INFO L290 TraceCheckUtils]: 1: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 04:03:59,194 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L272 TraceCheckUtils]: 0: Hoare triple {43995#true} call ULTIMATE.init(); {44058#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:03:59,195 INFO L290 TraceCheckUtils]: 1: Hoare triple {44058#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L290 TraceCheckUtils]: 2: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L272 TraceCheckUtils]: 4: Hoare triple {43995#true} call #t~ret7 := main(); {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L290 TraceCheckUtils]: 5: Hoare triple {43995#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L290 TraceCheckUtils]: 6: Hoare triple {43995#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {43995#true} is VALID [2022-04-28 04:03:59,195 INFO L290 TraceCheckUtils]: 7: Hoare triple {43995#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {44000#(= main_~z~0 0)} is VALID [2022-04-28 04:03:59,196 INFO L290 TraceCheckUtils]: 8: Hoare triple {44000#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:03:59,196 INFO L290 TraceCheckUtils]: 9: Hoare triple {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:03:59,197 INFO L290 TraceCheckUtils]: 10: Hoare triple {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:03:59,197 INFO L290 TraceCheckUtils]: 11: Hoare triple {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:03:59,198 INFO L290 TraceCheckUtils]: 12: Hoare triple {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:03:59,198 INFO L290 TraceCheckUtils]: 13: Hoare triple {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:03:59,199 INFO L290 TraceCheckUtils]: 14: Hoare triple {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:03:59,199 INFO L290 TraceCheckUtils]: 15: Hoare triple {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:03:59,200 INFO L290 TraceCheckUtils]: 16: Hoare triple {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:03:59,200 INFO L290 TraceCheckUtils]: 17: Hoare triple {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:03:59,200 INFO L290 TraceCheckUtils]: 18: Hoare triple {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:03:59,201 INFO L290 TraceCheckUtils]: 19: Hoare triple {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:03:59,201 INFO L290 TraceCheckUtils]: 20: Hoare triple {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:03:59,202 INFO L290 TraceCheckUtils]: 21: Hoare triple {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:03:59,202 INFO L290 TraceCheckUtils]: 22: Hoare triple {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:03:59,203 INFO L290 TraceCheckUtils]: 23: Hoare triple {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:03:59,203 INFO L290 TraceCheckUtils]: 24: Hoare triple {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:03:59,204 INFO L290 TraceCheckUtils]: 25: Hoare triple {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:03:59,204 INFO L290 TraceCheckUtils]: 26: Hoare triple {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:03:59,205 INFO L290 TraceCheckUtils]: 27: Hoare triple {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:03:59,205 INFO L290 TraceCheckUtils]: 28: Hoare triple {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:03:59,205 INFO L290 TraceCheckUtils]: 29: Hoare triple {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:03:59,206 INFO L290 TraceCheckUtils]: 30: Hoare triple {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:03:59,206 INFO L290 TraceCheckUtils]: 31: Hoare triple {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:03:59,207 INFO L290 TraceCheckUtils]: 32: Hoare triple {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:03:59,207 INFO L290 TraceCheckUtils]: 33: Hoare triple {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:03:59,208 INFO L290 TraceCheckUtils]: 34: Hoare triple {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:03:59,208 INFO L290 TraceCheckUtils]: 35: Hoare triple {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:03:59,209 INFO L290 TraceCheckUtils]: 36: Hoare triple {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:03:59,209 INFO L290 TraceCheckUtils]: 37: Hoare triple {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:03:59,210 INFO L290 TraceCheckUtils]: 38: Hoare triple {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:03:59,210 INFO L290 TraceCheckUtils]: 39: Hoare triple {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:03:59,210 INFO L290 TraceCheckUtils]: 40: Hoare triple {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:03:59,211 INFO L290 TraceCheckUtils]: 41: Hoare triple {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:03:59,211 INFO L290 TraceCheckUtils]: 42: Hoare triple {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:03:59,212 INFO L290 TraceCheckUtils]: 43: Hoare triple {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:03:59,212 INFO L290 TraceCheckUtils]: 44: Hoare triple {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:03:59,213 INFO L290 TraceCheckUtils]: 45: Hoare triple {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:03:59,213 INFO L290 TraceCheckUtils]: 46: Hoare triple {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:03:59,214 INFO L290 TraceCheckUtils]: 47: Hoare triple {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:03:59,214 INFO L290 TraceCheckUtils]: 48: Hoare triple {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:03:59,215 INFO L290 TraceCheckUtils]: 49: Hoare triple {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:03:59,215 INFO L290 TraceCheckUtils]: 50: Hoare triple {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:03:59,216 INFO L290 TraceCheckUtils]: 51: Hoare triple {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:03:59,216 INFO L290 TraceCheckUtils]: 52: Hoare triple {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:03:59,216 INFO L290 TraceCheckUtils]: 53: Hoare triple {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:03:59,217 INFO L290 TraceCheckUtils]: 54: Hoare triple {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:03:59,217 INFO L290 TraceCheckUtils]: 55: Hoare triple {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:03:59,218 INFO L290 TraceCheckUtils]: 56: Hoare triple {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:03:59,218 INFO L290 TraceCheckUtils]: 57: Hoare triple {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:03:59,219 INFO L290 TraceCheckUtils]: 58: Hoare triple {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:03:59,219 INFO L290 TraceCheckUtils]: 59: Hoare triple {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:03:59,220 INFO L290 TraceCheckUtils]: 60: Hoare triple {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:03:59,220 INFO L290 TraceCheckUtils]: 61: Hoare triple {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:03:59,221 INFO L290 TraceCheckUtils]: 62: Hoare triple {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:03:59,221 INFO L290 TraceCheckUtils]: 63: Hoare triple {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:03:59,222 INFO L290 TraceCheckUtils]: 64: Hoare triple {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44057#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 57))} is VALID [2022-04-28 04:03:59,222 INFO L290 TraceCheckUtils]: 65: Hoare triple {44057#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 57))} assume !(~z~0 % 4294967296 < 268435455); {43996#false} is VALID [2022-04-28 04:03:59,222 INFO L272 TraceCheckUtils]: 66: Hoare triple {43996#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43996#false} is VALID [2022-04-28 04:03:59,222 INFO L290 TraceCheckUtils]: 67: Hoare triple {43996#false} ~cond := #in~cond; {43996#false} is VALID [2022-04-28 04:03:59,222 INFO L290 TraceCheckUtils]: 68: Hoare triple {43996#false} assume 0 == ~cond; {43996#false} is VALID [2022-04-28 04:03:59,222 INFO L290 TraceCheckUtils]: 69: Hoare triple {43996#false} assume !false; {43996#false} is VALID [2022-04-28 04:03:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:03:59,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:03:59,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437653718] [2022-04-28 04:03:59,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437653718] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:03:59,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241521394] [2022-04-28 04:03:59,223 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:03:59,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:03:59,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:03:59,224 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:03:59,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2022-04-28 04:04:17,418 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2022-04-28 04:04:17,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:04:17,439 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 117 conjunts are in the unsatisfiable core [2022-04-28 04:04:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:17,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:04:18,059 INFO L272 TraceCheckUtils]: 0: Hoare triple {43995#true} call ULTIMATE.init(); {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L290 TraceCheckUtils]: 1: Hoare triple {43995#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L290 TraceCheckUtils]: 2: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L272 TraceCheckUtils]: 4: Hoare triple {43995#true} call #t~ret7 := main(); {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L290 TraceCheckUtils]: 5: Hoare triple {43995#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L290 TraceCheckUtils]: 6: Hoare triple {43995#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {43995#true} is VALID [2022-04-28 04:04:18,060 INFO L290 TraceCheckUtils]: 7: Hoare triple {43995#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {44000#(= main_~z~0 0)} is VALID [2022-04-28 04:04:18,061 INFO L290 TraceCheckUtils]: 8: Hoare triple {44000#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:04:18,061 INFO L290 TraceCheckUtils]: 9: Hoare triple {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:04:18,062 INFO L290 TraceCheckUtils]: 10: Hoare triple {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:04:18,062 INFO L290 TraceCheckUtils]: 11: Hoare triple {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:04:18,063 INFO L290 TraceCheckUtils]: 12: Hoare triple {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:04:18,063 INFO L290 TraceCheckUtils]: 13: Hoare triple {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:04:18,064 INFO L290 TraceCheckUtils]: 14: Hoare triple {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:04:18,064 INFO L290 TraceCheckUtils]: 15: Hoare triple {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:04:18,064 INFO L290 TraceCheckUtils]: 16: Hoare triple {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:04:18,065 INFO L290 TraceCheckUtils]: 17: Hoare triple {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:04:18,065 INFO L290 TraceCheckUtils]: 18: Hoare triple {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:04:18,066 INFO L290 TraceCheckUtils]: 19: Hoare triple {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:04:18,066 INFO L290 TraceCheckUtils]: 20: Hoare triple {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:04:18,067 INFO L290 TraceCheckUtils]: 21: Hoare triple {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:04:18,067 INFO L290 TraceCheckUtils]: 22: Hoare triple {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:04:18,068 INFO L290 TraceCheckUtils]: 23: Hoare triple {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:04:18,068 INFO L290 TraceCheckUtils]: 24: Hoare triple {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:04:18,069 INFO L290 TraceCheckUtils]: 25: Hoare triple {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:04:18,069 INFO L290 TraceCheckUtils]: 26: Hoare triple {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:04:18,070 INFO L290 TraceCheckUtils]: 27: Hoare triple {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:04:18,070 INFO L290 TraceCheckUtils]: 28: Hoare triple {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:04:18,071 INFO L290 TraceCheckUtils]: 29: Hoare triple {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:04:18,071 INFO L290 TraceCheckUtils]: 30: Hoare triple {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:04:18,072 INFO L290 TraceCheckUtils]: 31: Hoare triple {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:04:18,072 INFO L290 TraceCheckUtils]: 32: Hoare triple {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:04:18,073 INFO L290 TraceCheckUtils]: 33: Hoare triple {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:04:18,073 INFO L290 TraceCheckUtils]: 34: Hoare triple {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:04:18,073 INFO L290 TraceCheckUtils]: 35: Hoare triple {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:04:18,074 INFO L290 TraceCheckUtils]: 36: Hoare triple {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:04:18,074 INFO L290 TraceCheckUtils]: 37: Hoare triple {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:04:18,075 INFO L290 TraceCheckUtils]: 38: Hoare triple {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:04:18,075 INFO L290 TraceCheckUtils]: 39: Hoare triple {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:04:18,076 INFO L290 TraceCheckUtils]: 40: Hoare triple {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:04:18,076 INFO L290 TraceCheckUtils]: 41: Hoare triple {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:04:18,077 INFO L290 TraceCheckUtils]: 42: Hoare triple {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:04:18,077 INFO L290 TraceCheckUtils]: 43: Hoare triple {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:04:18,078 INFO L290 TraceCheckUtils]: 44: Hoare triple {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:04:18,078 INFO L290 TraceCheckUtils]: 45: Hoare triple {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:04:18,079 INFO L290 TraceCheckUtils]: 46: Hoare triple {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:04:18,079 INFO L290 TraceCheckUtils]: 47: Hoare triple {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:04:18,080 INFO L290 TraceCheckUtils]: 48: Hoare triple {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:04:18,080 INFO L290 TraceCheckUtils]: 49: Hoare triple {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:04:18,081 INFO L290 TraceCheckUtils]: 50: Hoare triple {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:04:18,081 INFO L290 TraceCheckUtils]: 51: Hoare triple {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:04:18,081 INFO L290 TraceCheckUtils]: 52: Hoare triple {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:04:18,082 INFO L290 TraceCheckUtils]: 53: Hoare triple {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:04:18,082 INFO L290 TraceCheckUtils]: 54: Hoare triple {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:04:18,083 INFO L290 TraceCheckUtils]: 55: Hoare triple {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:04:18,083 INFO L290 TraceCheckUtils]: 56: Hoare triple {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:04:18,084 INFO L290 TraceCheckUtils]: 57: Hoare triple {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:04:18,084 INFO L290 TraceCheckUtils]: 58: Hoare triple {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:04:18,085 INFO L290 TraceCheckUtils]: 59: Hoare triple {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:04:18,085 INFO L290 TraceCheckUtils]: 60: Hoare triple {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:04:18,086 INFO L290 TraceCheckUtils]: 61: Hoare triple {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:04:18,086 INFO L290 TraceCheckUtils]: 62: Hoare triple {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:04:18,087 INFO L290 TraceCheckUtils]: 63: Hoare triple {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:04:18,087 INFO L290 TraceCheckUtils]: 64: Hoare triple {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44254#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:04:18,088 INFO L290 TraceCheckUtils]: 65: Hoare triple {44254#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {43996#false} is VALID [2022-04-28 04:04:18,088 INFO L272 TraceCheckUtils]: 66: Hoare triple {43996#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43996#false} is VALID [2022-04-28 04:04:18,088 INFO L290 TraceCheckUtils]: 67: Hoare triple {43996#false} ~cond := #in~cond; {43996#false} is VALID [2022-04-28 04:04:18,088 INFO L290 TraceCheckUtils]: 68: Hoare triple {43996#false} assume 0 == ~cond; {43996#false} is VALID [2022-04-28 04:04:18,088 INFO L290 TraceCheckUtils]: 69: Hoare triple {43996#false} assume !false; {43996#false} is VALID [2022-04-28 04:04:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:18,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:04:23,018 INFO L290 TraceCheckUtils]: 69: Hoare triple {43996#false} assume !false; {43996#false} is VALID [2022-04-28 04:04:23,018 INFO L290 TraceCheckUtils]: 68: Hoare triple {43996#false} assume 0 == ~cond; {43996#false} is VALID [2022-04-28 04:04:23,019 INFO L290 TraceCheckUtils]: 67: Hoare triple {43996#false} ~cond := #in~cond; {43996#false} is VALID [2022-04-28 04:04:23,019 INFO L272 TraceCheckUtils]: 66: Hoare triple {43996#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43996#false} is VALID [2022-04-28 04:04:23,019 INFO L290 TraceCheckUtils]: 65: Hoare triple {44282#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {43996#false} is VALID [2022-04-28 04:04:23,020 INFO L290 TraceCheckUtils]: 64: Hoare triple {44286#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44282#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,020 INFO L290 TraceCheckUtils]: 63: Hoare triple {44290#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44286#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,021 INFO L290 TraceCheckUtils]: 62: Hoare triple {44294#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44290#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,021 INFO L290 TraceCheckUtils]: 61: Hoare triple {44298#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44294#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,022 INFO L290 TraceCheckUtils]: 60: Hoare triple {44302#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44298#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,023 INFO L290 TraceCheckUtils]: 59: Hoare triple {44306#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44302#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,023 INFO L290 TraceCheckUtils]: 58: Hoare triple {44310#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44306#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,024 INFO L290 TraceCheckUtils]: 57: Hoare triple {44314#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44310#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,025 INFO L290 TraceCheckUtils]: 56: Hoare triple {44318#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44314#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,025 INFO L290 TraceCheckUtils]: 55: Hoare triple {44322#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44318#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,026 INFO L290 TraceCheckUtils]: 54: Hoare triple {44326#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44322#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,026 INFO L290 TraceCheckUtils]: 53: Hoare triple {44330#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44326#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,027 INFO L290 TraceCheckUtils]: 52: Hoare triple {44334#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44330#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,028 INFO L290 TraceCheckUtils]: 51: Hoare triple {44338#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44334#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,028 INFO L290 TraceCheckUtils]: 50: Hoare triple {44342#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44338#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,029 INFO L290 TraceCheckUtils]: 49: Hoare triple {44346#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44342#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,030 INFO L290 TraceCheckUtils]: 48: Hoare triple {44350#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44346#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,030 INFO L290 TraceCheckUtils]: 47: Hoare triple {44354#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44350#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,031 INFO L290 TraceCheckUtils]: 46: Hoare triple {44358#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44354#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,031 INFO L290 TraceCheckUtils]: 45: Hoare triple {44362#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44358#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,032 INFO L290 TraceCheckUtils]: 44: Hoare triple {44366#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44362#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,033 INFO L290 TraceCheckUtils]: 43: Hoare triple {44370#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44366#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,033 INFO L290 TraceCheckUtils]: 42: Hoare triple {44374#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44370#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,034 INFO L290 TraceCheckUtils]: 41: Hoare triple {44378#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44374#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,035 INFO L290 TraceCheckUtils]: 40: Hoare triple {44382#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44378#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,036 INFO L290 TraceCheckUtils]: 39: Hoare triple {44386#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44382#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,036 INFO L290 TraceCheckUtils]: 38: Hoare triple {44390#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44386#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,037 INFO L290 TraceCheckUtils]: 37: Hoare triple {44394#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44390#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,038 INFO L290 TraceCheckUtils]: 36: Hoare triple {44398#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44394#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,038 INFO L290 TraceCheckUtils]: 35: Hoare triple {44402#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44398#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,039 INFO L290 TraceCheckUtils]: 34: Hoare triple {44406#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44402#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,040 INFO L290 TraceCheckUtils]: 33: Hoare triple {44410#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44406#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,040 INFO L290 TraceCheckUtils]: 32: Hoare triple {44414#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44410#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,041 INFO L290 TraceCheckUtils]: 31: Hoare triple {44418#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44414#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,041 INFO L290 TraceCheckUtils]: 30: Hoare triple {44422#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44418#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,042 INFO L290 TraceCheckUtils]: 29: Hoare triple {44426#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44422#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,043 INFO L290 TraceCheckUtils]: 28: Hoare triple {44430#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44426#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,043 INFO L290 TraceCheckUtils]: 27: Hoare triple {44434#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44430#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,044 INFO L290 TraceCheckUtils]: 26: Hoare triple {44438#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44434#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,045 INFO L290 TraceCheckUtils]: 25: Hoare triple {44442#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44438#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,045 INFO L290 TraceCheckUtils]: 24: Hoare triple {44446#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44442#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,046 INFO L290 TraceCheckUtils]: 23: Hoare triple {44450#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44446#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,046 INFO L290 TraceCheckUtils]: 22: Hoare triple {44454#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44450#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,047 INFO L290 TraceCheckUtils]: 21: Hoare triple {44458#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44454#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,048 INFO L290 TraceCheckUtils]: 20: Hoare triple {44462#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44458#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,048 INFO L290 TraceCheckUtils]: 19: Hoare triple {44466#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44462#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,049 INFO L290 TraceCheckUtils]: 18: Hoare triple {44470#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44466#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,050 INFO L290 TraceCheckUtils]: 17: Hoare triple {44474#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44470#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,050 INFO L290 TraceCheckUtils]: 16: Hoare triple {44478#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44474#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,051 INFO L290 TraceCheckUtils]: 15: Hoare triple {44482#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44478#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,052 INFO L290 TraceCheckUtils]: 14: Hoare triple {44486#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44482#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,052 INFO L290 TraceCheckUtils]: 13: Hoare triple {44490#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44486#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,053 INFO L290 TraceCheckUtils]: 12: Hoare triple {44494#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44490#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,053 INFO L290 TraceCheckUtils]: 11: Hoare triple {44498#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44494#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,054 INFO L290 TraceCheckUtils]: 10: Hoare triple {44502#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44498#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,055 INFO L290 TraceCheckUtils]: 9: Hoare triple {44506#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44502#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,055 INFO L290 TraceCheckUtils]: 8: Hoare triple {44510#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44506#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,056 INFO L290 TraceCheckUtils]: 7: Hoare triple {43995#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {44510#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:23,056 INFO L290 TraceCheckUtils]: 6: Hoare triple {43995#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {43995#true} is VALID [2022-04-28 04:04:23,056 INFO L290 TraceCheckUtils]: 5: Hoare triple {43995#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {43995#true} is VALID [2022-04-28 04:04:23,056 INFO L272 TraceCheckUtils]: 4: Hoare triple {43995#true} call #t~ret7 := main(); {43995#true} is VALID [2022-04-28 04:04:23,056 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 04:04:23,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 04:04:23,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {43995#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 04:04:23,056 INFO L272 TraceCheckUtils]: 0: Hoare triple {43995#true} call ULTIMATE.init(); {43995#true} is VALID [2022-04-28 04:04:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:23,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241521394] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:04:23,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:04:23,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 60, 60] total 120 [2022-04-28 04:04:23,057 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:04:23,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1802657118] [2022-04-28 04:04:23,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1802657118] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:04:23,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:04:23,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2022-04-28 04:04:23,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833405443] [2022-04-28 04:04:23,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:04:23,058 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-04-28 04:04:23,058 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:04:23,058 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:23,093 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:23,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-04-28 04:04:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:04:23,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-04-28 04:04:23,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3717, Invalid=10563, Unknown=0, NotChecked=0, Total=14280 [2022-04-28 04:04:23,095 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:04:29,892 INFO L93 Difference]: Finished difference Result 153 states and 162 transitions. [2022-04-28 04:04:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-28 04:04:29,892 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-04-28 04:04:29,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:04:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 103 transitions. [2022-04-28 04:04:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 103 transitions. [2022-04-28 04:04:29,894 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 61 states and 103 transitions. [2022-04-28 04:04:29,957 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:29,958 INFO L225 Difference]: With dead ends: 153 [2022-04-28 04:04:29,958 INFO L226 Difference]: Without dead ends: 81 [2022-04-28 04:04:29,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1773 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=7427, Invalid=24079, Unknown=0, NotChecked=0, Total=31506 [2022-04-28 04:04:29,960 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 3709 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-04-28 04:04:29,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 118 Invalid, 3830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3709 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-04-28 04:04:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-04-28 04:04:30,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2022-04-28 04:04:30,034 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:04:30,034 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:30,034 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:30,034 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:30,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:04:30,035 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-04-28 04:04:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-04-28 04:04:30,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:04:30,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:04:30,035 INFO L74 IsIncluded]: Start isIncluded. First operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 81 states. [2022-04-28 04:04:30,035 INFO L87 Difference]: Start difference. First operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 81 states. [2022-04-28 04:04:30,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:04:30,036 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-04-28 04:04:30,036 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-04-28 04:04:30,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:04:30,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:04:30,036 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:04:30,036 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:04:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2022-04-28 04:04:30,037 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 70 [2022-04-28 04:04:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:04:30,037 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2022-04-28 04:04:30,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:30,038 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 80 states and 84 transitions. [2022-04-28 04:04:30,110 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-04-28 04:04:30,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-04-28 04:04:30,111 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:04:30,111 INFO L195 NwaCegarLoop]: trace histogram [58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:04:30,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2022-04-28 04:04:30,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116,SelfDestructingSolverStorable117 [2022-04-28 04:04:30,311 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:04:30,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:04:30,312 INFO L85 PathProgramCache]: Analyzing trace with hash 708106050, now seen corresponding path program 115 times [2022-04-28 04:04:30,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:04:30,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [216774254] [2022-04-28 04:04:33,662 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:04:33,796 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:04:33,797 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:04:33,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1204471805, now seen corresponding path program 1 times [2022-04-28 04:04:33,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:04:33,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081421618] [2022-04-28 04:04:33,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:04:33,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:04:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:04:33,804 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:04:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:04:33,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:04:33,807 INFO L85 PathProgramCache]: Analyzing trace with hash 708106050, now seen corresponding path program 116 times [2022-04-28 04:04:33,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:04:33,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152778815] [2022-04-28 04:04:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:04:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:04:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:04:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:35,432 INFO L290 TraceCheckUtils]: 0: Hoare triple {45346#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 04:04:35,432 INFO L290 TraceCheckUtils]: 1: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 04:04:35,432 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L272 TraceCheckUtils]: 0: Hoare triple {45282#true} call ULTIMATE.init(); {45346#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:04:35,433 INFO L290 TraceCheckUtils]: 1: Hoare triple {45346#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L290 TraceCheckUtils]: 2: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L272 TraceCheckUtils]: 4: Hoare triple {45282#true} call #t~ret7 := main(); {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L290 TraceCheckUtils]: 5: Hoare triple {45282#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L290 TraceCheckUtils]: 6: Hoare triple {45282#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {45282#true} is VALID [2022-04-28 04:04:35,433 INFO L290 TraceCheckUtils]: 7: Hoare triple {45282#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {45287#(= main_~z~0 0)} is VALID [2022-04-28 04:04:35,434 INFO L290 TraceCheckUtils]: 8: Hoare triple {45287#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:04:35,434 INFO L290 TraceCheckUtils]: 9: Hoare triple {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:04:35,435 INFO L290 TraceCheckUtils]: 10: Hoare triple {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:04:35,436 INFO L290 TraceCheckUtils]: 11: Hoare triple {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:04:35,436 INFO L290 TraceCheckUtils]: 12: Hoare triple {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:04:35,437 INFO L290 TraceCheckUtils]: 13: Hoare triple {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:04:35,437 INFO L290 TraceCheckUtils]: 14: Hoare triple {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:04:35,438 INFO L290 TraceCheckUtils]: 15: Hoare triple {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:04:35,438 INFO L290 TraceCheckUtils]: 16: Hoare triple {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:04:35,439 INFO L290 TraceCheckUtils]: 17: Hoare triple {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:04:35,440 INFO L290 TraceCheckUtils]: 18: Hoare triple {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:04:35,440 INFO L290 TraceCheckUtils]: 19: Hoare triple {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:04:35,441 INFO L290 TraceCheckUtils]: 20: Hoare triple {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:04:35,441 INFO L290 TraceCheckUtils]: 21: Hoare triple {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:04:35,442 INFO L290 TraceCheckUtils]: 22: Hoare triple {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:04:35,443 INFO L290 TraceCheckUtils]: 23: Hoare triple {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:04:35,443 INFO L290 TraceCheckUtils]: 24: Hoare triple {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:04:35,444 INFO L290 TraceCheckUtils]: 25: Hoare triple {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:04:35,444 INFO L290 TraceCheckUtils]: 26: Hoare triple {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:04:35,445 INFO L290 TraceCheckUtils]: 27: Hoare triple {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:04:35,445 INFO L290 TraceCheckUtils]: 28: Hoare triple {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:04:35,446 INFO L290 TraceCheckUtils]: 29: Hoare triple {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:04:35,447 INFO L290 TraceCheckUtils]: 30: Hoare triple {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:04:35,447 INFO L290 TraceCheckUtils]: 31: Hoare triple {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:04:35,448 INFO L290 TraceCheckUtils]: 32: Hoare triple {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:04:35,448 INFO L290 TraceCheckUtils]: 33: Hoare triple {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:04:35,449 INFO L290 TraceCheckUtils]: 34: Hoare triple {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:04:35,450 INFO L290 TraceCheckUtils]: 35: Hoare triple {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:04:35,450 INFO L290 TraceCheckUtils]: 36: Hoare triple {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:04:35,451 INFO L290 TraceCheckUtils]: 37: Hoare triple {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:04:35,451 INFO L290 TraceCheckUtils]: 38: Hoare triple {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:04:35,452 INFO L290 TraceCheckUtils]: 39: Hoare triple {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:04:35,452 INFO L290 TraceCheckUtils]: 40: Hoare triple {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:04:35,453 INFO L290 TraceCheckUtils]: 41: Hoare triple {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:04:35,454 INFO L290 TraceCheckUtils]: 42: Hoare triple {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:04:35,454 INFO L290 TraceCheckUtils]: 43: Hoare triple {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:04:35,455 INFO L290 TraceCheckUtils]: 44: Hoare triple {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:04:35,455 INFO L290 TraceCheckUtils]: 45: Hoare triple {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:04:35,456 INFO L290 TraceCheckUtils]: 46: Hoare triple {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:04:35,456 INFO L290 TraceCheckUtils]: 47: Hoare triple {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:04:35,457 INFO L290 TraceCheckUtils]: 48: Hoare triple {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:04:35,457 INFO L290 TraceCheckUtils]: 49: Hoare triple {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:04:35,458 INFO L290 TraceCheckUtils]: 50: Hoare triple {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:04:35,459 INFO L290 TraceCheckUtils]: 51: Hoare triple {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:04:35,459 INFO L290 TraceCheckUtils]: 52: Hoare triple {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:04:35,460 INFO L290 TraceCheckUtils]: 53: Hoare triple {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:04:35,460 INFO L290 TraceCheckUtils]: 54: Hoare triple {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:04:35,461 INFO L290 TraceCheckUtils]: 55: Hoare triple {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:04:35,461 INFO L290 TraceCheckUtils]: 56: Hoare triple {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:04:35,462 INFO L290 TraceCheckUtils]: 57: Hoare triple {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:04:35,462 INFO L290 TraceCheckUtils]: 58: Hoare triple {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:04:35,463 INFO L290 TraceCheckUtils]: 59: Hoare triple {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:04:35,463 INFO L290 TraceCheckUtils]: 60: Hoare triple {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:04:35,464 INFO L290 TraceCheckUtils]: 61: Hoare triple {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:04:35,464 INFO L290 TraceCheckUtils]: 62: Hoare triple {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:04:35,465 INFO L290 TraceCheckUtils]: 63: Hoare triple {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:04:35,465 INFO L290 TraceCheckUtils]: 64: Hoare triple {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:04:35,466 INFO L290 TraceCheckUtils]: 65: Hoare triple {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45345#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 58))} is VALID [2022-04-28 04:04:35,466 INFO L290 TraceCheckUtils]: 66: Hoare triple {45345#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 58))} assume !(~z~0 % 4294967296 < 268435455); {45283#false} is VALID [2022-04-28 04:04:35,467 INFO L272 TraceCheckUtils]: 67: Hoare triple {45283#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {45283#false} is VALID [2022-04-28 04:04:35,467 INFO L290 TraceCheckUtils]: 68: Hoare triple {45283#false} ~cond := #in~cond; {45283#false} is VALID [2022-04-28 04:04:35,467 INFO L290 TraceCheckUtils]: 69: Hoare triple {45283#false} assume 0 == ~cond; {45283#false} is VALID [2022-04-28 04:04:35,467 INFO L290 TraceCheckUtils]: 70: Hoare triple {45283#false} assume !false; {45283#false} is VALID [2022-04-28 04:04:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:35,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:04:35,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152778815] [2022-04-28 04:04:35,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152778815] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:04:35,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964453425] [2022-04-28 04:04:35,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 04:04:35,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:04:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:04:35,469 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:04:35,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-04-28 04:04:35,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 04:04:35,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:04:35,637 WARN L261 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 119 conjunts are in the unsatisfiable core [2022-04-28 04:04:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:35,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:04:36,362 INFO L272 TraceCheckUtils]: 0: Hoare triple {45282#true} call ULTIMATE.init(); {45282#true} is VALID [2022-04-28 04:04:36,362 INFO L290 TraceCheckUtils]: 1: Hoare triple {45282#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 04:04:36,362 INFO L290 TraceCheckUtils]: 2: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 04:04:36,363 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 04:04:36,363 INFO L272 TraceCheckUtils]: 4: Hoare triple {45282#true} call #t~ret7 := main(); {45282#true} is VALID [2022-04-28 04:04:36,363 INFO L290 TraceCheckUtils]: 5: Hoare triple {45282#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {45282#true} is VALID [2022-04-28 04:04:36,363 INFO L290 TraceCheckUtils]: 6: Hoare triple {45282#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {45282#true} is VALID [2022-04-28 04:04:36,363 INFO L290 TraceCheckUtils]: 7: Hoare triple {45282#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {45287#(= main_~z~0 0)} is VALID [2022-04-28 04:04:36,363 INFO L290 TraceCheckUtils]: 8: Hoare triple {45287#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:04:36,364 INFO L290 TraceCheckUtils]: 9: Hoare triple {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:04:36,364 INFO L290 TraceCheckUtils]: 10: Hoare triple {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:04:36,365 INFO L290 TraceCheckUtils]: 11: Hoare triple {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:04:36,365 INFO L290 TraceCheckUtils]: 12: Hoare triple {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:04:36,366 INFO L290 TraceCheckUtils]: 13: Hoare triple {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:04:36,366 INFO L290 TraceCheckUtils]: 14: Hoare triple {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:04:36,367 INFO L290 TraceCheckUtils]: 15: Hoare triple {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:04:36,367 INFO L290 TraceCheckUtils]: 16: Hoare triple {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:04:36,368 INFO L290 TraceCheckUtils]: 17: Hoare triple {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:04:36,368 INFO L290 TraceCheckUtils]: 18: Hoare triple {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:04:36,369 INFO L290 TraceCheckUtils]: 19: Hoare triple {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:04:36,369 INFO L290 TraceCheckUtils]: 20: Hoare triple {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:04:36,370 INFO L290 TraceCheckUtils]: 21: Hoare triple {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:04:36,370 INFO L290 TraceCheckUtils]: 22: Hoare triple {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:04:36,371 INFO L290 TraceCheckUtils]: 23: Hoare triple {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:04:36,371 INFO L290 TraceCheckUtils]: 24: Hoare triple {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:04:36,372 INFO L290 TraceCheckUtils]: 25: Hoare triple {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:04:36,372 INFO L290 TraceCheckUtils]: 26: Hoare triple {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:04:36,373 INFO L290 TraceCheckUtils]: 27: Hoare triple {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:04:36,373 INFO L290 TraceCheckUtils]: 28: Hoare triple {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:04:36,374 INFO L290 TraceCheckUtils]: 29: Hoare triple {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:04:36,374 INFO L290 TraceCheckUtils]: 30: Hoare triple {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:04:36,375 INFO L290 TraceCheckUtils]: 31: Hoare triple {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:04:36,375 INFO L290 TraceCheckUtils]: 32: Hoare triple {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:04:36,376 INFO L290 TraceCheckUtils]: 33: Hoare triple {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:04:36,376 INFO L290 TraceCheckUtils]: 34: Hoare triple {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:04:36,377 INFO L290 TraceCheckUtils]: 35: Hoare triple {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:04:36,377 INFO L290 TraceCheckUtils]: 36: Hoare triple {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:04:36,378 INFO L290 TraceCheckUtils]: 37: Hoare triple {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:04:36,378 INFO L290 TraceCheckUtils]: 38: Hoare triple {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:04:36,379 INFO L290 TraceCheckUtils]: 39: Hoare triple {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:04:36,379 INFO L290 TraceCheckUtils]: 40: Hoare triple {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:04:36,380 INFO L290 TraceCheckUtils]: 41: Hoare triple {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:04:36,380 INFO L290 TraceCheckUtils]: 42: Hoare triple {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:04:36,381 INFO L290 TraceCheckUtils]: 43: Hoare triple {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:04:36,381 INFO L290 TraceCheckUtils]: 44: Hoare triple {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:04:36,382 INFO L290 TraceCheckUtils]: 45: Hoare triple {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:04:36,382 INFO L290 TraceCheckUtils]: 46: Hoare triple {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:04:36,383 INFO L290 TraceCheckUtils]: 47: Hoare triple {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:04:36,383 INFO L290 TraceCheckUtils]: 48: Hoare triple {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:04:36,384 INFO L290 TraceCheckUtils]: 49: Hoare triple {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:04:36,384 INFO L290 TraceCheckUtils]: 50: Hoare triple {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:04:36,385 INFO L290 TraceCheckUtils]: 51: Hoare triple {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:04:36,385 INFO L290 TraceCheckUtils]: 52: Hoare triple {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:04:36,386 INFO L290 TraceCheckUtils]: 53: Hoare triple {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:04:36,386 INFO L290 TraceCheckUtils]: 54: Hoare triple {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:04:36,387 INFO L290 TraceCheckUtils]: 55: Hoare triple {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:04:36,387 INFO L290 TraceCheckUtils]: 56: Hoare triple {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:04:36,388 INFO L290 TraceCheckUtils]: 57: Hoare triple {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:04:36,388 INFO L290 TraceCheckUtils]: 58: Hoare triple {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:04:36,389 INFO L290 TraceCheckUtils]: 59: Hoare triple {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:04:36,389 INFO L290 TraceCheckUtils]: 60: Hoare triple {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:04:36,390 INFO L290 TraceCheckUtils]: 61: Hoare triple {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:04:36,390 INFO L290 TraceCheckUtils]: 62: Hoare triple {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:04:36,391 INFO L290 TraceCheckUtils]: 63: Hoare triple {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:04:36,391 INFO L290 TraceCheckUtils]: 64: Hoare triple {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:04:36,392 INFO L290 TraceCheckUtils]: 65: Hoare triple {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45545#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:04:36,392 INFO L290 TraceCheckUtils]: 66: Hoare triple {45545#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !(~z~0 % 4294967296 < 268435455); {45283#false} is VALID [2022-04-28 04:04:36,392 INFO L272 TraceCheckUtils]: 67: Hoare triple {45283#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {45283#false} is VALID [2022-04-28 04:04:36,392 INFO L290 TraceCheckUtils]: 68: Hoare triple {45283#false} ~cond := #in~cond; {45283#false} is VALID [2022-04-28 04:04:36,392 INFO L290 TraceCheckUtils]: 69: Hoare triple {45283#false} assume 0 == ~cond; {45283#false} is VALID [2022-04-28 04:04:36,392 INFO L290 TraceCheckUtils]: 70: Hoare triple {45283#false} assume !false; {45283#false} is VALID [2022-04-28 04:04:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:36,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:04:41,500 INFO L290 TraceCheckUtils]: 70: Hoare triple {45283#false} assume !false; {45283#false} is VALID [2022-04-28 04:04:41,500 INFO L290 TraceCheckUtils]: 69: Hoare triple {45283#false} assume 0 == ~cond; {45283#false} is VALID [2022-04-28 04:04:41,500 INFO L290 TraceCheckUtils]: 68: Hoare triple {45283#false} ~cond := #in~cond; {45283#false} is VALID [2022-04-28 04:04:41,500 INFO L272 TraceCheckUtils]: 67: Hoare triple {45283#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {45283#false} is VALID [2022-04-28 04:04:41,500 INFO L290 TraceCheckUtils]: 66: Hoare triple {45573#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {45283#false} is VALID [2022-04-28 04:04:41,501 INFO L290 TraceCheckUtils]: 65: Hoare triple {45577#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45573#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,502 INFO L290 TraceCheckUtils]: 64: Hoare triple {45581#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45577#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,502 INFO L290 TraceCheckUtils]: 63: Hoare triple {45585#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45581#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,503 INFO L290 TraceCheckUtils]: 62: Hoare triple {45589#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45585#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,503 INFO L290 TraceCheckUtils]: 61: Hoare triple {45593#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45589#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,504 INFO L290 TraceCheckUtils]: 60: Hoare triple {45597#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45593#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,505 INFO L290 TraceCheckUtils]: 59: Hoare triple {45601#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45597#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,505 INFO L290 TraceCheckUtils]: 58: Hoare triple {45605#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45601#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,506 INFO L290 TraceCheckUtils]: 57: Hoare triple {45609#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45605#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,507 INFO L290 TraceCheckUtils]: 56: Hoare triple {45613#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45609#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,507 INFO L290 TraceCheckUtils]: 55: Hoare triple {45617#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45613#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,508 INFO L290 TraceCheckUtils]: 54: Hoare triple {45621#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45617#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,508 INFO L290 TraceCheckUtils]: 53: Hoare triple {45625#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45621#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,509 INFO L290 TraceCheckUtils]: 52: Hoare triple {45629#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45625#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,510 INFO L290 TraceCheckUtils]: 51: Hoare triple {45633#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45629#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,510 INFO L290 TraceCheckUtils]: 50: Hoare triple {45637#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45633#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,511 INFO L290 TraceCheckUtils]: 49: Hoare triple {45641#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45637#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,511 INFO L290 TraceCheckUtils]: 48: Hoare triple {45645#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45641#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,512 INFO L290 TraceCheckUtils]: 47: Hoare triple {45649#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45645#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,512 INFO L290 TraceCheckUtils]: 46: Hoare triple {45653#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45649#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,513 INFO L290 TraceCheckUtils]: 45: Hoare triple {45657#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45653#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,514 INFO L290 TraceCheckUtils]: 44: Hoare triple {45661#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45657#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,514 INFO L290 TraceCheckUtils]: 43: Hoare triple {45665#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45661#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,515 INFO L290 TraceCheckUtils]: 42: Hoare triple {45669#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45665#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,515 INFO L290 TraceCheckUtils]: 41: Hoare triple {45673#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45669#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,518 INFO L290 TraceCheckUtils]: 40: Hoare triple {45677#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45673#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,518 INFO L290 TraceCheckUtils]: 39: Hoare triple {45681#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45677#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,519 INFO L290 TraceCheckUtils]: 38: Hoare triple {45685#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45681#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,520 INFO L290 TraceCheckUtils]: 37: Hoare triple {45689#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45685#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,520 INFO L290 TraceCheckUtils]: 36: Hoare triple {45693#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45689#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,521 INFO L290 TraceCheckUtils]: 35: Hoare triple {45697#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45693#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,521 INFO L290 TraceCheckUtils]: 34: Hoare triple {45701#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45697#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,522 INFO L290 TraceCheckUtils]: 33: Hoare triple {45705#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45701#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,522 INFO L290 TraceCheckUtils]: 32: Hoare triple {45709#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45705#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,523 INFO L290 TraceCheckUtils]: 31: Hoare triple {45713#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45709#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,524 INFO L290 TraceCheckUtils]: 30: Hoare triple {45717#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45713#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,524 INFO L290 TraceCheckUtils]: 29: Hoare triple {45721#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45717#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,525 INFO L290 TraceCheckUtils]: 28: Hoare triple {45725#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45721#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,525 INFO L290 TraceCheckUtils]: 27: Hoare triple {45729#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45725#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,526 INFO L290 TraceCheckUtils]: 26: Hoare triple {45733#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45729#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,526 INFO L290 TraceCheckUtils]: 25: Hoare triple {45737#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45733#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,527 INFO L290 TraceCheckUtils]: 24: Hoare triple {45741#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45737#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,528 INFO L290 TraceCheckUtils]: 23: Hoare triple {45745#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45741#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,528 INFO L290 TraceCheckUtils]: 22: Hoare triple {45749#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45745#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,529 INFO L290 TraceCheckUtils]: 21: Hoare triple {45753#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45749#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,529 INFO L290 TraceCheckUtils]: 20: Hoare triple {45757#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45753#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,530 INFO L290 TraceCheckUtils]: 19: Hoare triple {45761#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45757#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,531 INFO L290 TraceCheckUtils]: 18: Hoare triple {45765#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45761#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,531 INFO L290 TraceCheckUtils]: 17: Hoare triple {45769#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45765#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,532 INFO L290 TraceCheckUtils]: 16: Hoare triple {45773#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45769#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,532 INFO L290 TraceCheckUtils]: 15: Hoare triple {45777#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45773#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,533 INFO L290 TraceCheckUtils]: 14: Hoare triple {45781#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45777#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,534 INFO L290 TraceCheckUtils]: 13: Hoare triple {45785#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45781#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,534 INFO L290 TraceCheckUtils]: 12: Hoare triple {45789#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45785#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,535 INFO L290 TraceCheckUtils]: 11: Hoare triple {45793#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45789#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,535 INFO L290 TraceCheckUtils]: 10: Hoare triple {45797#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45793#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,536 INFO L290 TraceCheckUtils]: 9: Hoare triple {45801#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45797#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,536 INFO L290 TraceCheckUtils]: 8: Hoare triple {45805#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45801#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,537 INFO L290 TraceCheckUtils]: 7: Hoare triple {45282#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {45805#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 04:04:41,537 INFO L290 TraceCheckUtils]: 6: Hoare triple {45282#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {45282#true} is VALID [2022-04-28 04:04:41,537 INFO L290 TraceCheckUtils]: 5: Hoare triple {45282#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {45282#true} is VALID [2022-04-28 04:04:41,537 INFO L272 TraceCheckUtils]: 4: Hoare triple {45282#true} call #t~ret7 := main(); {45282#true} is VALID [2022-04-28 04:04:41,537 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 04:04:41,537 INFO L290 TraceCheckUtils]: 2: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 04:04:41,537 INFO L290 TraceCheckUtils]: 1: Hoare triple {45282#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 04:04:41,537 INFO L272 TraceCheckUtils]: 0: Hoare triple {45282#true} call ULTIMATE.init(); {45282#true} is VALID [2022-04-28 04:04:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:41,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964453425] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:04:41,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:04:41,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 61, 61] total 122 [2022-04-28 04:04:41,538 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:04:41,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [216774254] [2022-04-28 04:04:41,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [216774254] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:04:41,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:04:41,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-04-28 04:04:41,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247708013] [2022-04-28 04:04:41,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:04:41,539 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2022-04-28 04:04:41,539 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:04:41,539 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:41,573 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:41,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-04-28 04:04:41,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:04:41,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-04-28 04:04:41,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3840, Invalid=10922, Unknown=0, NotChecked=0, Total=14762 [2022-04-28 04:04:41,575 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:49,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:04:49,460 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2022-04-28 04:04:49,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-04-28 04:04:49,460 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2022-04-28 04:04:49,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:04:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 104 transitions. [2022-04-28 04:04:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 104 transitions. [2022-04-28 04:04:49,462 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 62 states and 104 transitions. [2022-04-28 04:04:49,533 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:49,534 INFO L225 Difference]: With dead ends: 155 [2022-04-28 04:04:49,534 INFO L226 Difference]: Without dead ends: 82 [2022-04-28 04:04:49,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1833 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=7673, Invalid=24907, Unknown=0, NotChecked=0, Total=32580 [2022-04-28 04:04:49,535 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 4550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-04-28 04:04:49,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 318 Invalid, 4550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-04-28 04:04:49,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-04-28 04:04:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2022-04-28 04:04:49,609 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:04:49,610 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:49,610 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:49,610 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:49,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:04:49,611 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2022-04-28 04:04:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2022-04-28 04:04:49,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:04:49,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:04:49,611 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-04-28 04:04:49,611 INFO L87 Difference]: Start difference. First operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-04-28 04:04:49,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:04:49,612 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2022-04-28 04:04:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2022-04-28 04:04:49,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:04:49,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:04:49,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:04:49,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:04:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:04:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2022-04-28 04:04:49,613 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 71 [2022-04-28 04:04:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:04:49,613 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2022-04-28 04:04:49,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:49,613 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 81 states and 85 transitions. [2022-04-28 04:04:49,687 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-04-28 04:04:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-04-28 04:04:49,688 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:04:49,688 INFO L195 NwaCegarLoop]: trace histogram [59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:04:49,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2022-04-28 04:04:49,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable119,SelfDestructingSolverStorable118 [2022-04-28 04:04:49,889 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:04:49,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:04:49,889 INFO L85 PathProgramCache]: Analyzing trace with hash 502753634, now seen corresponding path program 117 times [2022-04-28 04:04:49,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:04:49,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [164730782] [2022-04-28 04:04:51,502 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:04:51,648 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:04:51,649 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:04:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1145366461, now seen corresponding path program 1 times [2022-04-28 04:04:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:04:51,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695737408] [2022-04-28 04:04:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:04:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:04:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:04:51,656 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:04:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:04:51,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:04:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash 502753634, now seen corresponding path program 118 times [2022-04-28 04:04:51,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:04:51,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184810841] [2022-04-28 04:04:51,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:04:51,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:04:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:04:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:53,344 INFO L290 TraceCheckUtils]: 0: Hoare triple {46652#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 04:04:53,344 INFO L290 TraceCheckUtils]: 1: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 04:04:53,344 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L272 TraceCheckUtils]: 0: Hoare triple {46587#true} call ULTIMATE.init(); {46652#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:04:53,345 INFO L290 TraceCheckUtils]: 1: Hoare triple {46652#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L290 TraceCheckUtils]: 2: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L272 TraceCheckUtils]: 4: Hoare triple {46587#true} call #t~ret7 := main(); {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L290 TraceCheckUtils]: 5: Hoare triple {46587#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L290 TraceCheckUtils]: 6: Hoare triple {46587#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {46587#true} is VALID [2022-04-28 04:04:53,345 INFO L290 TraceCheckUtils]: 7: Hoare triple {46587#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {46592#(= main_~z~0 0)} is VALID [2022-04-28 04:04:53,346 INFO L290 TraceCheckUtils]: 8: Hoare triple {46592#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:04:53,346 INFO L290 TraceCheckUtils]: 9: Hoare triple {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:04:53,347 INFO L290 TraceCheckUtils]: 10: Hoare triple {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:04:53,347 INFO L290 TraceCheckUtils]: 11: Hoare triple {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:04:53,348 INFO L290 TraceCheckUtils]: 12: Hoare triple {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:04:53,348 INFO L290 TraceCheckUtils]: 13: Hoare triple {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:04:53,349 INFO L290 TraceCheckUtils]: 14: Hoare triple {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:04:53,349 INFO L290 TraceCheckUtils]: 15: Hoare triple {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:04:53,350 INFO L290 TraceCheckUtils]: 16: Hoare triple {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:04:53,350 INFO L290 TraceCheckUtils]: 17: Hoare triple {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:04:53,351 INFO L290 TraceCheckUtils]: 18: Hoare triple {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:04:53,351 INFO L290 TraceCheckUtils]: 19: Hoare triple {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:04:53,352 INFO L290 TraceCheckUtils]: 20: Hoare triple {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:04:53,352 INFO L290 TraceCheckUtils]: 21: Hoare triple {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:04:53,353 INFO L290 TraceCheckUtils]: 22: Hoare triple {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:04:53,353 INFO L290 TraceCheckUtils]: 23: Hoare triple {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:04:53,354 INFO L290 TraceCheckUtils]: 24: Hoare triple {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:04:53,354 INFO L290 TraceCheckUtils]: 25: Hoare triple {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:04:53,355 INFO L290 TraceCheckUtils]: 26: Hoare triple {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:04:53,355 INFO L290 TraceCheckUtils]: 27: Hoare triple {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:04:53,356 INFO L290 TraceCheckUtils]: 28: Hoare triple {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:04:53,356 INFO L290 TraceCheckUtils]: 29: Hoare triple {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:04:53,357 INFO L290 TraceCheckUtils]: 30: Hoare triple {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:04:53,357 INFO L290 TraceCheckUtils]: 31: Hoare triple {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:04:53,357 INFO L290 TraceCheckUtils]: 32: Hoare triple {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:04:53,358 INFO L290 TraceCheckUtils]: 33: Hoare triple {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:04:53,358 INFO L290 TraceCheckUtils]: 34: Hoare triple {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:04:53,359 INFO L290 TraceCheckUtils]: 35: Hoare triple {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:04:53,359 INFO L290 TraceCheckUtils]: 36: Hoare triple {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:04:53,360 INFO L290 TraceCheckUtils]: 37: Hoare triple {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:04:53,360 INFO L290 TraceCheckUtils]: 38: Hoare triple {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:04:53,361 INFO L290 TraceCheckUtils]: 39: Hoare triple {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:04:53,361 INFO L290 TraceCheckUtils]: 40: Hoare triple {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:04:53,362 INFO L290 TraceCheckUtils]: 41: Hoare triple {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:04:53,362 INFO L290 TraceCheckUtils]: 42: Hoare triple {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:04:53,363 INFO L290 TraceCheckUtils]: 43: Hoare triple {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:04:53,363 INFO L290 TraceCheckUtils]: 44: Hoare triple {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:04:53,364 INFO L290 TraceCheckUtils]: 45: Hoare triple {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:04:53,364 INFO L290 TraceCheckUtils]: 46: Hoare triple {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:04:53,365 INFO L290 TraceCheckUtils]: 47: Hoare triple {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:04:53,365 INFO L290 TraceCheckUtils]: 48: Hoare triple {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:04:53,366 INFO L290 TraceCheckUtils]: 49: Hoare triple {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:04:53,366 INFO L290 TraceCheckUtils]: 50: Hoare triple {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:04:53,367 INFO L290 TraceCheckUtils]: 51: Hoare triple {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:04:53,367 INFO L290 TraceCheckUtils]: 52: Hoare triple {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:04:53,368 INFO L290 TraceCheckUtils]: 53: Hoare triple {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:04:53,368 INFO L290 TraceCheckUtils]: 54: Hoare triple {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:04:53,369 INFO L290 TraceCheckUtils]: 55: Hoare triple {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:04:53,369 INFO L290 TraceCheckUtils]: 56: Hoare triple {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:04:53,369 INFO L290 TraceCheckUtils]: 57: Hoare triple {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:04:53,370 INFO L290 TraceCheckUtils]: 58: Hoare triple {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:04:53,370 INFO L290 TraceCheckUtils]: 59: Hoare triple {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:04:53,371 INFO L290 TraceCheckUtils]: 60: Hoare triple {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:04:53,371 INFO L290 TraceCheckUtils]: 61: Hoare triple {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:04:53,372 INFO L290 TraceCheckUtils]: 62: Hoare triple {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:04:53,372 INFO L290 TraceCheckUtils]: 63: Hoare triple {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:04:53,373 INFO L290 TraceCheckUtils]: 64: Hoare triple {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:04:53,373 INFO L290 TraceCheckUtils]: 65: Hoare triple {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:04:53,374 INFO L290 TraceCheckUtils]: 66: Hoare triple {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46651#(and (<= main_~z~0 59) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 04:04:53,374 INFO L290 TraceCheckUtils]: 67: Hoare triple {46651#(and (<= main_~z~0 59) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {46588#false} is VALID [2022-04-28 04:04:53,374 INFO L272 TraceCheckUtils]: 68: Hoare triple {46588#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {46588#false} is VALID [2022-04-28 04:04:53,374 INFO L290 TraceCheckUtils]: 69: Hoare triple {46588#false} ~cond := #in~cond; {46588#false} is VALID [2022-04-28 04:04:53,374 INFO L290 TraceCheckUtils]: 70: Hoare triple {46588#false} assume 0 == ~cond; {46588#false} is VALID [2022-04-28 04:04:53,375 INFO L290 TraceCheckUtils]: 71: Hoare triple {46588#false} assume !false; {46588#false} is VALID [2022-04-28 04:04:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:53,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:04:53,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184810841] [2022-04-28 04:04:53,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184810841] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:04:53,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983841376] [2022-04-28 04:04:53,375 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:04:53,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:04:53,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:04:53,376 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:04:53,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2022-04-28 04:04:53,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:04:53,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:04:53,520 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 121 conjunts are in the unsatisfiable core [2022-04-28 04:04:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:04:53,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:04:54,174 INFO L272 TraceCheckUtils]: 0: Hoare triple {46587#true} call ULTIMATE.init(); {46587#true} is VALID [2022-04-28 04:04:54,174 INFO L290 TraceCheckUtils]: 1: Hoare triple {46587#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 04:04:54,175 INFO L290 TraceCheckUtils]: 2: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 04:04:54,175 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 04:04:54,175 INFO L272 TraceCheckUtils]: 4: Hoare triple {46587#true} call #t~ret7 := main(); {46587#true} is VALID [2022-04-28 04:04:54,175 INFO L290 TraceCheckUtils]: 5: Hoare triple {46587#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {46587#true} is VALID [2022-04-28 04:04:54,175 INFO L290 TraceCheckUtils]: 6: Hoare triple {46587#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {46587#true} is VALID [2022-04-28 04:04:54,175 INFO L290 TraceCheckUtils]: 7: Hoare triple {46587#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {46592#(= main_~z~0 0)} is VALID [2022-04-28 04:04:54,175 INFO L290 TraceCheckUtils]: 8: Hoare triple {46592#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:04:54,176 INFO L290 TraceCheckUtils]: 9: Hoare triple {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:04:54,176 INFO L290 TraceCheckUtils]: 10: Hoare triple {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:04:54,177 INFO L290 TraceCheckUtils]: 11: Hoare triple {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:04:54,177 INFO L290 TraceCheckUtils]: 12: Hoare triple {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:04:54,178 INFO L290 TraceCheckUtils]: 13: Hoare triple {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:04:54,178 INFO L290 TraceCheckUtils]: 14: Hoare triple {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:04:54,179 INFO L290 TraceCheckUtils]: 15: Hoare triple {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:04:54,179 INFO L290 TraceCheckUtils]: 16: Hoare triple {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:04:54,180 INFO L290 TraceCheckUtils]: 17: Hoare triple {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:04:54,180 INFO L290 TraceCheckUtils]: 18: Hoare triple {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:04:54,181 INFO L290 TraceCheckUtils]: 19: Hoare triple {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:04:54,181 INFO L290 TraceCheckUtils]: 20: Hoare triple {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:04:54,182 INFO L290 TraceCheckUtils]: 21: Hoare triple {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:04:54,182 INFO L290 TraceCheckUtils]: 22: Hoare triple {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:04:54,183 INFO L290 TraceCheckUtils]: 23: Hoare triple {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:04:54,183 INFO L290 TraceCheckUtils]: 24: Hoare triple {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:04:54,184 INFO L290 TraceCheckUtils]: 25: Hoare triple {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:04:54,184 INFO L290 TraceCheckUtils]: 26: Hoare triple {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:04:54,185 INFO L290 TraceCheckUtils]: 27: Hoare triple {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:04:54,185 INFO L290 TraceCheckUtils]: 28: Hoare triple {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:04:54,186 INFO L290 TraceCheckUtils]: 29: Hoare triple {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:04:54,186 INFO L290 TraceCheckUtils]: 30: Hoare triple {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:04:54,187 INFO L290 TraceCheckUtils]: 31: Hoare triple {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:04:54,187 INFO L290 TraceCheckUtils]: 32: Hoare triple {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:04:54,187 INFO L290 TraceCheckUtils]: 33: Hoare triple {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:04:54,188 INFO L290 TraceCheckUtils]: 34: Hoare triple {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:04:54,188 INFO L290 TraceCheckUtils]: 35: Hoare triple {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:04:54,189 INFO L290 TraceCheckUtils]: 36: Hoare triple {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:04:54,189 INFO L290 TraceCheckUtils]: 37: Hoare triple {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:04:54,190 INFO L290 TraceCheckUtils]: 38: Hoare triple {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:04:54,190 INFO L290 TraceCheckUtils]: 39: Hoare triple {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:04:54,191 INFO L290 TraceCheckUtils]: 40: Hoare triple {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:04:54,191 INFO L290 TraceCheckUtils]: 41: Hoare triple {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:04:54,192 INFO L290 TraceCheckUtils]: 42: Hoare triple {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:04:54,192 INFO L290 TraceCheckUtils]: 43: Hoare triple {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:04:54,193 INFO L290 TraceCheckUtils]: 44: Hoare triple {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:04:54,193 INFO L290 TraceCheckUtils]: 45: Hoare triple {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:04:54,194 INFO L290 TraceCheckUtils]: 46: Hoare triple {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:04:54,194 INFO L290 TraceCheckUtils]: 47: Hoare triple {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:04:54,195 INFO L290 TraceCheckUtils]: 48: Hoare triple {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:04:54,195 INFO L290 TraceCheckUtils]: 49: Hoare triple {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:04:54,196 INFO L290 TraceCheckUtils]: 50: Hoare triple {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:04:54,196 INFO L290 TraceCheckUtils]: 51: Hoare triple {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:04:54,196 INFO L290 TraceCheckUtils]: 52: Hoare triple {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:04:54,197 INFO L290 TraceCheckUtils]: 53: Hoare triple {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:04:54,197 INFO L290 TraceCheckUtils]: 54: Hoare triple {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:04:54,198 INFO L290 TraceCheckUtils]: 55: Hoare triple {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:04:54,198 INFO L290 TraceCheckUtils]: 56: Hoare triple {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:04:54,199 INFO L290 TraceCheckUtils]: 57: Hoare triple {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:04:54,199 INFO L290 TraceCheckUtils]: 58: Hoare triple {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:04:54,200 INFO L290 TraceCheckUtils]: 59: Hoare triple {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:04:54,200 INFO L290 TraceCheckUtils]: 60: Hoare triple {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:04:54,201 INFO L290 TraceCheckUtils]: 61: Hoare triple {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:04:54,201 INFO L290 TraceCheckUtils]: 62: Hoare triple {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:04:54,202 INFO L290 TraceCheckUtils]: 63: Hoare triple {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:04:54,202 INFO L290 TraceCheckUtils]: 64: Hoare triple {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:04:54,203 INFO L290 TraceCheckUtils]: 65: Hoare triple {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:04:54,203 INFO L290 TraceCheckUtils]: 66: Hoare triple {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46854#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:04:54,204 INFO L290 TraceCheckUtils]: 67: Hoare triple {46854#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {46588#false} is VALID [2022-04-28 04:04:54,204 INFO L272 TraceCheckUtils]: 68: Hoare triple {46588#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {46588#false} is VALID [2022-04-28 04:04:54,204 INFO L290 TraceCheckUtils]: 69: Hoare triple {46588#false} ~cond := #in~cond; {46588#false} is VALID [2022-04-28 04:04:54,204 INFO L290 TraceCheckUtils]: 70: Hoare triple {46588#false} assume 0 == ~cond; {46588#false} is VALID [2022-04-28 04:04:54,204 INFO L290 TraceCheckUtils]: 71: Hoare triple {46588#false} assume !false; {46588#false} is VALID [2022-04-28 04:04:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:54,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:04:59,509 INFO L290 TraceCheckUtils]: 71: Hoare triple {46588#false} assume !false; {46588#false} is VALID [2022-04-28 04:04:59,509 INFO L290 TraceCheckUtils]: 70: Hoare triple {46588#false} assume 0 == ~cond; {46588#false} is VALID [2022-04-28 04:04:59,509 INFO L290 TraceCheckUtils]: 69: Hoare triple {46588#false} ~cond := #in~cond; {46588#false} is VALID [2022-04-28 04:04:59,509 INFO L272 TraceCheckUtils]: 68: Hoare triple {46588#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {46588#false} is VALID [2022-04-28 04:04:59,509 INFO L290 TraceCheckUtils]: 67: Hoare triple {46882#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {46588#false} is VALID [2022-04-28 04:04:59,510 INFO L290 TraceCheckUtils]: 66: Hoare triple {46886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46882#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,511 INFO L290 TraceCheckUtils]: 65: Hoare triple {46890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,511 INFO L290 TraceCheckUtils]: 64: Hoare triple {46894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,512 INFO L290 TraceCheckUtils]: 63: Hoare triple {46898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,513 INFO L290 TraceCheckUtils]: 62: Hoare triple {46902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,514 INFO L290 TraceCheckUtils]: 61: Hoare triple {46906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,514 INFO L290 TraceCheckUtils]: 60: Hoare triple {46910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,515 INFO L290 TraceCheckUtils]: 59: Hoare triple {46914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,516 INFO L290 TraceCheckUtils]: 58: Hoare triple {46918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,516 INFO L290 TraceCheckUtils]: 57: Hoare triple {46922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,517 INFO L290 TraceCheckUtils]: 56: Hoare triple {46926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,517 INFO L290 TraceCheckUtils]: 55: Hoare triple {46930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,518 INFO L290 TraceCheckUtils]: 54: Hoare triple {46934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,519 INFO L290 TraceCheckUtils]: 53: Hoare triple {46938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,519 INFO L290 TraceCheckUtils]: 52: Hoare triple {46942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,520 INFO L290 TraceCheckUtils]: 51: Hoare triple {46946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,520 INFO L290 TraceCheckUtils]: 50: Hoare triple {46950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,521 INFO L290 TraceCheckUtils]: 49: Hoare triple {46954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,521 INFO L290 TraceCheckUtils]: 48: Hoare triple {46958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,522 INFO L290 TraceCheckUtils]: 47: Hoare triple {46962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,523 INFO L290 TraceCheckUtils]: 46: Hoare triple {46966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,523 INFO L290 TraceCheckUtils]: 45: Hoare triple {46970#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,524 INFO L290 TraceCheckUtils]: 44: Hoare triple {46974#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46970#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,527 INFO L290 TraceCheckUtils]: 43: Hoare triple {46978#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46974#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,527 INFO L290 TraceCheckUtils]: 42: Hoare triple {46982#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46978#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,528 INFO L290 TraceCheckUtils]: 41: Hoare triple {46986#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46982#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,529 INFO L290 TraceCheckUtils]: 40: Hoare triple {46990#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46986#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,529 INFO L290 TraceCheckUtils]: 39: Hoare triple {46994#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46990#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,530 INFO L290 TraceCheckUtils]: 38: Hoare triple {46998#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46994#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,530 INFO L290 TraceCheckUtils]: 37: Hoare triple {47002#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46998#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,531 INFO L290 TraceCheckUtils]: 36: Hoare triple {47006#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47002#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,532 INFO L290 TraceCheckUtils]: 35: Hoare triple {47010#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47006#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,533 INFO L290 TraceCheckUtils]: 34: Hoare triple {47014#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47010#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,533 INFO L290 TraceCheckUtils]: 33: Hoare triple {47018#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47014#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,534 INFO L290 TraceCheckUtils]: 32: Hoare triple {47022#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47018#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,534 INFO L290 TraceCheckUtils]: 31: Hoare triple {47026#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47022#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,535 INFO L290 TraceCheckUtils]: 30: Hoare triple {47030#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47026#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,536 INFO L290 TraceCheckUtils]: 29: Hoare triple {47034#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47030#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,536 INFO L290 TraceCheckUtils]: 28: Hoare triple {47038#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47034#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,537 INFO L290 TraceCheckUtils]: 27: Hoare triple {47042#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47038#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,537 INFO L290 TraceCheckUtils]: 26: Hoare triple {47046#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47042#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,538 INFO L290 TraceCheckUtils]: 25: Hoare triple {47050#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47046#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,538 INFO L290 TraceCheckUtils]: 24: Hoare triple {47054#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47050#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,539 INFO L290 TraceCheckUtils]: 23: Hoare triple {47058#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47054#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,540 INFO L290 TraceCheckUtils]: 22: Hoare triple {47062#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47058#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,540 INFO L290 TraceCheckUtils]: 21: Hoare triple {47066#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47062#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,541 INFO L290 TraceCheckUtils]: 20: Hoare triple {47070#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47066#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,541 INFO L290 TraceCheckUtils]: 19: Hoare triple {47074#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47070#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,542 INFO L290 TraceCheckUtils]: 18: Hoare triple {47078#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47074#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,543 INFO L290 TraceCheckUtils]: 17: Hoare triple {47082#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47078#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,543 INFO L290 TraceCheckUtils]: 16: Hoare triple {47086#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47082#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,544 INFO L290 TraceCheckUtils]: 15: Hoare triple {47090#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47086#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,544 INFO L290 TraceCheckUtils]: 14: Hoare triple {47094#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47090#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,545 INFO L290 TraceCheckUtils]: 13: Hoare triple {47098#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47094#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,546 INFO L290 TraceCheckUtils]: 12: Hoare triple {47102#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47098#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,546 INFO L290 TraceCheckUtils]: 11: Hoare triple {47106#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47102#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,547 INFO L290 TraceCheckUtils]: 10: Hoare triple {47110#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47106#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,547 INFO L290 TraceCheckUtils]: 9: Hoare triple {47114#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47110#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,548 INFO L290 TraceCheckUtils]: 8: Hoare triple {47118#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47114#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,548 INFO L290 TraceCheckUtils]: 7: Hoare triple {46587#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {47118#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:04:59,548 INFO L290 TraceCheckUtils]: 6: Hoare triple {46587#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {46587#true} is VALID [2022-04-28 04:04:59,548 INFO L290 TraceCheckUtils]: 5: Hoare triple {46587#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {46587#true} is VALID [2022-04-28 04:04:59,548 INFO L272 TraceCheckUtils]: 4: Hoare triple {46587#true} call #t~ret7 := main(); {46587#true} is VALID [2022-04-28 04:04:59,549 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 04:04:59,549 INFO L290 TraceCheckUtils]: 2: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 04:04:59,549 INFO L290 TraceCheckUtils]: 1: Hoare triple {46587#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 04:04:59,549 INFO L272 TraceCheckUtils]: 0: Hoare triple {46587#true} call ULTIMATE.init(); {46587#true} is VALID [2022-04-28 04:04:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:04:59,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983841376] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:04:59,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:04:59,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 62, 62] total 124 [2022-04-28 04:04:59,550 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:04:59,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [164730782] [2022-04-28 04:04:59,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [164730782] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:04:59,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:04:59,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2022-04-28 04:04:59,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466825654] [2022-04-28 04:04:59,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:04:59,550 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2022-04-28 04:04:59,550 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:04:59,551 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:04:59,586 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:04:59,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-04-28 04:04:59,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:04:59,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-04-28 04:04:59,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3965, Invalid=11287, Unknown=0, NotChecked=0, Total=15252 [2022-04-28 04:04:59,588 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:05:07,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:05:07,220 INFO L93 Difference]: Finished difference Result 157 states and 166 transitions. [2022-04-28 04:05:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-28 04:05:07,221 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2022-04-28 04:05:07,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:05:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:05:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 105 transitions. [2022-04-28 04:05:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:05:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 105 transitions. [2022-04-28 04:05:07,224 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 105 transitions. [2022-04-28 04:05:07,288 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:05:07,289 INFO L225 Difference]: With dead ends: 157 [2022-04-28 04:05:07,289 INFO L226 Difference]: Without dead ends: 83 [2022-04-28 04:05:07,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=7923, Invalid=25749, Unknown=0, NotChecked=0, Total=33672 [2022-04-28 04:05:07,291 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4292 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 4417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-04-28 04:05:07,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 233 Invalid, 4417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4292 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-04-28 04:05:07,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-04-28 04:05:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2022-04-28 04:05:07,368 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:05:07,368 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:05:07,368 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:05:07,368 INFO L87 Difference]: Start difference. First operand 83 states. Second operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:05:07,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:05:07,369 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2022-04-28 04:05:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-04-28 04:05:07,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:05:07,369 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:05:07,369 INFO L74 IsIncluded]: Start isIncluded. First operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 83 states. [2022-04-28 04:05:07,369 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 83 states. [2022-04-28 04:05:07,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:05:07,370 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2022-04-28 04:05:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-04-28 04:05:07,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:05:07,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:05:07,370 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:05:07,370 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:05:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:05:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2022-04-28 04:05:07,371 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 72 [2022-04-28 04:05:07,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:05:07,371 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2022-04-28 04:05:07,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:05:07,372 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 82 states and 86 transitions. [2022-04-28 04:05:07,446 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:05:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2022-04-28 04:05:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-04-28 04:05:07,448 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:05:07,448 INFO L195 NwaCegarLoop]: trace histogram [60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:05:07,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2022-04-28 04:05:07,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,SelfDestructingSolverStorable121,60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:05:07,649 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:05:07,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:05:07,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1568203966, now seen corresponding path program 119 times [2022-04-28 04:05:07,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:05:07,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [109187137] [2022-04-28 04:05:10,530 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:05:10,664 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:05:10,665 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:05:10,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1086261117, now seen corresponding path program 1 times [2022-04-28 04:05:10,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:05:10,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722374144] [2022-04-28 04:05:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:05:10,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:05:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:05:10,672 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:05:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:05:10,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:05:10,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1568203966, now seen corresponding path program 120 times [2022-04-28 04:05:10,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:05:10,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646832161] [2022-04-28 04:05:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:05:10,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:05:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:05:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:05:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:05:12,398 INFO L290 TraceCheckUtils]: 0: Hoare triple {47976#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 04:05:12,398 INFO L290 TraceCheckUtils]: 1: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 04:05:12,398 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 04:05:12,411 INFO L272 TraceCheckUtils]: 0: Hoare triple {47910#true} call ULTIMATE.init(); {47976#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:05:12,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {47976#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 04:05:12,412 INFO L290 TraceCheckUtils]: 2: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 04:05:12,412 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 04:05:12,412 INFO L272 TraceCheckUtils]: 4: Hoare triple {47910#true} call #t~ret7 := main(); {47910#true} is VALID [2022-04-28 04:05:12,412 INFO L290 TraceCheckUtils]: 5: Hoare triple {47910#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {47910#true} is VALID [2022-04-28 04:05:12,412 INFO L290 TraceCheckUtils]: 6: Hoare triple {47910#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {47910#true} is VALID [2022-04-28 04:05:12,412 INFO L290 TraceCheckUtils]: 7: Hoare triple {47910#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {47915#(= main_~z~0 0)} is VALID [2022-04-28 04:05:12,413 INFO L290 TraceCheckUtils]: 8: Hoare triple {47915#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:05:12,413 INFO L290 TraceCheckUtils]: 9: Hoare triple {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:05:12,414 INFO L290 TraceCheckUtils]: 10: Hoare triple {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:05:12,414 INFO L290 TraceCheckUtils]: 11: Hoare triple {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:05:12,415 INFO L290 TraceCheckUtils]: 12: Hoare triple {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:05:12,415 INFO L290 TraceCheckUtils]: 13: Hoare triple {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:05:12,416 INFO L290 TraceCheckUtils]: 14: Hoare triple {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:05:12,416 INFO L290 TraceCheckUtils]: 15: Hoare triple {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:05:12,417 INFO L290 TraceCheckUtils]: 16: Hoare triple {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:05:12,417 INFO L290 TraceCheckUtils]: 17: Hoare triple {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:05:12,418 INFO L290 TraceCheckUtils]: 18: Hoare triple {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:05:12,419 INFO L290 TraceCheckUtils]: 19: Hoare triple {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:05:12,419 INFO L290 TraceCheckUtils]: 20: Hoare triple {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:05:12,420 INFO L290 TraceCheckUtils]: 21: Hoare triple {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:05:12,420 INFO L290 TraceCheckUtils]: 22: Hoare triple {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:05:12,421 INFO L290 TraceCheckUtils]: 23: Hoare triple {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:05:12,421 INFO L290 TraceCheckUtils]: 24: Hoare triple {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:05:12,422 INFO L290 TraceCheckUtils]: 25: Hoare triple {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:05:12,422 INFO L290 TraceCheckUtils]: 26: Hoare triple {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:05:12,423 INFO L290 TraceCheckUtils]: 27: Hoare triple {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:05:12,423 INFO L290 TraceCheckUtils]: 28: Hoare triple {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:05:12,424 INFO L290 TraceCheckUtils]: 29: Hoare triple {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:05:12,424 INFO L290 TraceCheckUtils]: 30: Hoare triple {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:05:12,425 INFO L290 TraceCheckUtils]: 31: Hoare triple {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:05:12,425 INFO L290 TraceCheckUtils]: 32: Hoare triple {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:05:12,426 INFO L290 TraceCheckUtils]: 33: Hoare triple {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:05:12,427 INFO L290 TraceCheckUtils]: 34: Hoare triple {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:05:12,427 INFO L290 TraceCheckUtils]: 35: Hoare triple {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:05:12,428 INFO L290 TraceCheckUtils]: 36: Hoare triple {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:05:12,428 INFO L290 TraceCheckUtils]: 37: Hoare triple {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:05:12,429 INFO L290 TraceCheckUtils]: 38: Hoare triple {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:05:12,429 INFO L290 TraceCheckUtils]: 39: Hoare triple {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:05:12,430 INFO L290 TraceCheckUtils]: 40: Hoare triple {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:05:12,430 INFO L290 TraceCheckUtils]: 41: Hoare triple {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:05:12,431 INFO L290 TraceCheckUtils]: 42: Hoare triple {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:05:12,431 INFO L290 TraceCheckUtils]: 43: Hoare triple {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:05:12,432 INFO L290 TraceCheckUtils]: 44: Hoare triple {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:05:12,432 INFO L290 TraceCheckUtils]: 45: Hoare triple {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:05:12,433 INFO L290 TraceCheckUtils]: 46: Hoare triple {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:05:12,433 INFO L290 TraceCheckUtils]: 47: Hoare triple {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:05:12,434 INFO L290 TraceCheckUtils]: 48: Hoare triple {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:05:12,435 INFO L290 TraceCheckUtils]: 49: Hoare triple {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:05:12,435 INFO L290 TraceCheckUtils]: 50: Hoare triple {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:05:12,436 INFO L290 TraceCheckUtils]: 51: Hoare triple {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:05:12,436 INFO L290 TraceCheckUtils]: 52: Hoare triple {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:05:12,437 INFO L290 TraceCheckUtils]: 53: Hoare triple {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:05:12,437 INFO L290 TraceCheckUtils]: 54: Hoare triple {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:05:12,444 INFO L290 TraceCheckUtils]: 55: Hoare triple {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:05:12,444 INFO L290 TraceCheckUtils]: 56: Hoare triple {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:05:12,445 INFO L290 TraceCheckUtils]: 57: Hoare triple {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:05:12,446 INFO L290 TraceCheckUtils]: 58: Hoare triple {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:05:12,446 INFO L290 TraceCheckUtils]: 59: Hoare triple {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:05:12,447 INFO L290 TraceCheckUtils]: 60: Hoare triple {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:05:12,447 INFO L290 TraceCheckUtils]: 61: Hoare triple {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:05:12,448 INFO L290 TraceCheckUtils]: 62: Hoare triple {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:05:12,448 INFO L290 TraceCheckUtils]: 63: Hoare triple {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:05:12,449 INFO L290 TraceCheckUtils]: 64: Hoare triple {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:05:12,449 INFO L290 TraceCheckUtils]: 65: Hoare triple {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:05:12,450 INFO L290 TraceCheckUtils]: 66: Hoare triple {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:05:12,450 INFO L290 TraceCheckUtils]: 67: Hoare triple {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47975#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 60))} is VALID [2022-04-28 04:05:12,451 INFO L290 TraceCheckUtils]: 68: Hoare triple {47975#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 60))} assume !(~z~0 % 4294967296 < 268435455); {47911#false} is VALID [2022-04-28 04:05:12,451 INFO L272 TraceCheckUtils]: 69: Hoare triple {47911#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {47911#false} is VALID [2022-04-28 04:05:12,451 INFO L290 TraceCheckUtils]: 70: Hoare triple {47911#false} ~cond := #in~cond; {47911#false} is VALID [2022-04-28 04:05:12,451 INFO L290 TraceCheckUtils]: 71: Hoare triple {47911#false} assume 0 == ~cond; {47911#false} is VALID [2022-04-28 04:05:12,451 INFO L290 TraceCheckUtils]: 72: Hoare triple {47911#false} assume !false; {47911#false} is VALID [2022-04-28 04:05:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:05:12,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:05:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646832161] [2022-04-28 04:05:12,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646832161] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:05:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453946803] [2022-04-28 04:05:12,452 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:05:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:05:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:05:12,454 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:05:12,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2022-04-28 04:05:51,518 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2022-04-28 04:05:51,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:05:51,545 WARN L261 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 128 conjunts are in the unsatisfiable core [2022-04-28 04:05:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:05:51,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:05:52,122 INFO L272 TraceCheckUtils]: 0: Hoare triple {47910#true} call ULTIMATE.init(); {47910#true} is VALID [2022-04-28 04:05:52,122 INFO L290 TraceCheckUtils]: 1: Hoare triple {47910#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 04:05:52,122 INFO L290 TraceCheckUtils]: 2: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 04:05:52,122 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 04:05:52,122 INFO L272 TraceCheckUtils]: 4: Hoare triple {47910#true} call #t~ret7 := main(); {47910#true} is VALID [2022-04-28 04:05:52,122 INFO L290 TraceCheckUtils]: 5: Hoare triple {47910#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {47910#true} is VALID [2022-04-28 04:05:52,122 INFO L290 TraceCheckUtils]: 6: Hoare triple {47910#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {47910#true} is VALID [2022-04-28 04:05:52,123 INFO L290 TraceCheckUtils]: 7: Hoare triple {47910#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {47915#(= main_~z~0 0)} is VALID [2022-04-28 04:05:52,123 INFO L290 TraceCheckUtils]: 8: Hoare triple {47915#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:05:52,124 INFO L290 TraceCheckUtils]: 9: Hoare triple {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:05:52,124 INFO L290 TraceCheckUtils]: 10: Hoare triple {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:05:52,124 INFO L290 TraceCheckUtils]: 11: Hoare triple {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:05:52,125 INFO L290 TraceCheckUtils]: 12: Hoare triple {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:05:52,125 INFO L290 TraceCheckUtils]: 13: Hoare triple {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:05:52,126 INFO L290 TraceCheckUtils]: 14: Hoare triple {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:05:52,126 INFO L290 TraceCheckUtils]: 15: Hoare triple {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:05:52,127 INFO L290 TraceCheckUtils]: 16: Hoare triple {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:05:52,127 INFO L290 TraceCheckUtils]: 17: Hoare triple {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:05:52,128 INFO L290 TraceCheckUtils]: 18: Hoare triple {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:05:52,128 INFO L290 TraceCheckUtils]: 19: Hoare triple {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:05:52,129 INFO L290 TraceCheckUtils]: 20: Hoare triple {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:05:52,129 INFO L290 TraceCheckUtils]: 21: Hoare triple {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:05:52,130 INFO L290 TraceCheckUtils]: 22: Hoare triple {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:05:52,130 INFO L290 TraceCheckUtils]: 23: Hoare triple {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:05:52,131 INFO L290 TraceCheckUtils]: 24: Hoare triple {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:05:52,131 INFO L290 TraceCheckUtils]: 25: Hoare triple {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:05:52,131 INFO L290 TraceCheckUtils]: 26: Hoare triple {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:05:52,132 INFO L290 TraceCheckUtils]: 27: Hoare triple {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:05:52,132 INFO L290 TraceCheckUtils]: 28: Hoare triple {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:05:52,133 INFO L290 TraceCheckUtils]: 29: Hoare triple {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:05:52,133 INFO L290 TraceCheckUtils]: 30: Hoare triple {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:05:52,134 INFO L290 TraceCheckUtils]: 31: Hoare triple {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:05:52,134 INFO L290 TraceCheckUtils]: 32: Hoare triple {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:05:52,135 INFO L290 TraceCheckUtils]: 33: Hoare triple {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:05:52,135 INFO L290 TraceCheckUtils]: 34: Hoare triple {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:05:52,136 INFO L290 TraceCheckUtils]: 35: Hoare triple {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:05:52,136 INFO L290 TraceCheckUtils]: 36: Hoare triple {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:05:52,137 INFO L290 TraceCheckUtils]: 37: Hoare triple {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:05:52,137 INFO L290 TraceCheckUtils]: 38: Hoare triple {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:05:52,137 INFO L290 TraceCheckUtils]: 39: Hoare triple {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:05:52,138 INFO L290 TraceCheckUtils]: 40: Hoare triple {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:05:52,138 INFO L290 TraceCheckUtils]: 41: Hoare triple {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:05:52,139 INFO L290 TraceCheckUtils]: 42: Hoare triple {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:05:52,139 INFO L290 TraceCheckUtils]: 43: Hoare triple {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:05:52,140 INFO L290 TraceCheckUtils]: 44: Hoare triple {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:05:52,140 INFO L290 TraceCheckUtils]: 45: Hoare triple {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:05:52,141 INFO L290 TraceCheckUtils]: 46: Hoare triple {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:05:52,141 INFO L290 TraceCheckUtils]: 47: Hoare triple {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:05:52,142 INFO L290 TraceCheckUtils]: 48: Hoare triple {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:05:52,142 INFO L290 TraceCheckUtils]: 49: Hoare triple {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:05:52,143 INFO L290 TraceCheckUtils]: 50: Hoare triple {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:05:52,143 INFO L290 TraceCheckUtils]: 51: Hoare triple {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:05:52,144 INFO L290 TraceCheckUtils]: 52: Hoare triple {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:05:52,144 INFO L290 TraceCheckUtils]: 53: Hoare triple {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:05:52,144 INFO L290 TraceCheckUtils]: 54: Hoare triple {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:05:52,145 INFO L290 TraceCheckUtils]: 55: Hoare triple {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:05:52,145 INFO L290 TraceCheckUtils]: 56: Hoare triple {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:05:52,146 INFO L290 TraceCheckUtils]: 57: Hoare triple {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:05:52,146 INFO L290 TraceCheckUtils]: 58: Hoare triple {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:05:52,147 INFO L290 TraceCheckUtils]: 59: Hoare triple {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:05:52,147 INFO L290 TraceCheckUtils]: 60: Hoare triple {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:05:52,148 INFO L290 TraceCheckUtils]: 61: Hoare triple {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:05:52,148 INFO L290 TraceCheckUtils]: 62: Hoare triple {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:05:52,149 INFO L290 TraceCheckUtils]: 63: Hoare triple {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:05:52,149 INFO L290 TraceCheckUtils]: 64: Hoare triple {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:05:52,150 INFO L290 TraceCheckUtils]: 65: Hoare triple {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:05:52,150 INFO L290 TraceCheckUtils]: 66: Hoare triple {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:05:52,151 INFO L290 TraceCheckUtils]: 67: Hoare triple {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48181#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:05:52,151 INFO L290 TraceCheckUtils]: 68: Hoare triple {48181#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {47911#false} is VALID [2022-04-28 04:05:52,151 INFO L272 TraceCheckUtils]: 69: Hoare triple {47911#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {47911#false} is VALID [2022-04-28 04:05:52,151 INFO L290 TraceCheckUtils]: 70: Hoare triple {47911#false} ~cond := #in~cond; {47911#false} is VALID [2022-04-28 04:05:52,151 INFO L290 TraceCheckUtils]: 71: Hoare triple {47911#false} assume 0 == ~cond; {47911#false} is VALID [2022-04-28 04:05:52,151 INFO L290 TraceCheckUtils]: 72: Hoare triple {47911#false} assume !false; {47911#false} is VALID [2022-04-28 04:05:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:05:52,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:06:09,454 INFO L290 TraceCheckUtils]: 72: Hoare triple {47911#false} assume !false; {47911#false} is VALID [2022-04-28 04:06:09,454 INFO L290 TraceCheckUtils]: 71: Hoare triple {48200#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {47911#false} is VALID [2022-04-28 04:06:09,454 INFO L290 TraceCheckUtils]: 70: Hoare triple {48204#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {48200#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 04:06:09,455 INFO L272 TraceCheckUtils]: 69: Hoare triple {48208#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {48204#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 04:06:09,455 INFO L290 TraceCheckUtils]: 68: Hoare triple {48212#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {48208#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 04:06:09,456 INFO L290 TraceCheckUtils]: 67: Hoare triple {48216#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48212#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 04:06:09,457 INFO L290 TraceCheckUtils]: 66: Hoare triple {48220#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48216#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} is VALID [2022-04-28 04:06:09,458 INFO L290 TraceCheckUtils]: 65: Hoare triple {48224#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48220#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} is VALID [2022-04-28 04:06:09,458 INFO L290 TraceCheckUtils]: 64: Hoare triple {48228#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48224#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,459 INFO L290 TraceCheckUtils]: 63: Hoare triple {48232#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48228#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,460 INFO L290 TraceCheckUtils]: 62: Hoare triple {48236#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48232#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} is VALID [2022-04-28 04:06:09,461 INFO L290 TraceCheckUtils]: 61: Hoare triple {48240#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48236#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,462 INFO L290 TraceCheckUtils]: 60: Hoare triple {48244#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48240#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} is VALID [2022-04-28 04:06:09,462 INFO L290 TraceCheckUtils]: 59: Hoare triple {48248#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48244#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,463 INFO L290 TraceCheckUtils]: 58: Hoare triple {48252#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48248#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,464 INFO L290 TraceCheckUtils]: 57: Hoare triple {48256#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48252#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,465 INFO L290 TraceCheckUtils]: 56: Hoare triple {48260#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48256#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} is VALID [2022-04-28 04:06:09,465 INFO L290 TraceCheckUtils]: 55: Hoare triple {48264#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48260#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,466 INFO L290 TraceCheckUtils]: 54: Hoare triple {48268#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48264#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} is VALID [2022-04-28 04:06:09,467 INFO L290 TraceCheckUtils]: 53: Hoare triple {48272#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48268#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} is VALID [2022-04-28 04:06:09,468 INFO L290 TraceCheckUtils]: 52: Hoare triple {48276#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48272#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} is VALID [2022-04-28 04:06:09,469 INFO L290 TraceCheckUtils]: 51: Hoare triple {48280#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48276#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} is VALID [2022-04-28 04:06:09,469 INFO L290 TraceCheckUtils]: 50: Hoare triple {48284#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48280#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} is VALID [2022-04-28 04:06:09,470 INFO L290 TraceCheckUtils]: 49: Hoare triple {48288#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48284#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,471 INFO L290 TraceCheckUtils]: 48: Hoare triple {48292#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48288#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,472 INFO L290 TraceCheckUtils]: 47: Hoare triple {48296#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48292#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,473 INFO L290 TraceCheckUtils]: 46: Hoare triple {48300#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48296#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} is VALID [2022-04-28 04:06:09,473 INFO L290 TraceCheckUtils]: 45: Hoare triple {48304#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48300#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,474 INFO L290 TraceCheckUtils]: 44: Hoare triple {48308#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48304#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,475 INFO L290 TraceCheckUtils]: 43: Hoare triple {48312#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48308#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,476 INFO L290 TraceCheckUtils]: 42: Hoare triple {48316#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48312#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,476 INFO L290 TraceCheckUtils]: 41: Hoare triple {48320#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48316#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,477 INFO L290 TraceCheckUtils]: 40: Hoare triple {48324#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48320#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} is VALID [2022-04-28 04:06:09,478 INFO L290 TraceCheckUtils]: 39: Hoare triple {48328#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48324#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} is VALID [2022-04-28 04:06:09,479 INFO L290 TraceCheckUtils]: 38: Hoare triple {48332#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48328#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,480 INFO L290 TraceCheckUtils]: 37: Hoare triple {48336#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48332#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,480 INFO L290 TraceCheckUtils]: 36: Hoare triple {48340#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48336#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,481 INFO L290 TraceCheckUtils]: 35: Hoare triple {48344#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48340#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,482 INFO L290 TraceCheckUtils]: 34: Hoare triple {48348#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48344#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,483 INFO L290 TraceCheckUtils]: 33: Hoare triple {48352#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48348#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,484 INFO L290 TraceCheckUtils]: 32: Hoare triple {48356#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48352#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,484 INFO L290 TraceCheckUtils]: 31: Hoare triple {48360#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48356#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,485 INFO L290 TraceCheckUtils]: 30: Hoare triple {48364#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48360#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} is VALID [2022-04-28 04:06:09,486 INFO L290 TraceCheckUtils]: 29: Hoare triple {48368#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48364#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} is VALID [2022-04-28 04:06:09,487 INFO L290 TraceCheckUtils]: 28: Hoare triple {48372#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48368#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} is VALID [2022-04-28 04:06:09,487 INFO L290 TraceCheckUtils]: 27: Hoare triple {48376#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48372#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} is VALID [2022-04-28 04:06:09,488 INFO L290 TraceCheckUtils]: 26: Hoare triple {48380#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48376#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,489 INFO L290 TraceCheckUtils]: 25: Hoare triple {48384#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48380#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,490 INFO L290 TraceCheckUtils]: 24: Hoare triple {48388#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48384#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,491 INFO L290 TraceCheckUtils]: 23: Hoare triple {48392#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48388#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} is VALID [2022-04-28 04:06:09,491 INFO L290 TraceCheckUtils]: 22: Hoare triple {48396#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48392#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,492 INFO L290 TraceCheckUtils]: 21: Hoare triple {48400#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48396#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} is VALID [2022-04-28 04:06:09,493 INFO L290 TraceCheckUtils]: 20: Hoare triple {48404#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48400#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} is VALID [2022-04-28 04:06:09,494 INFO L290 TraceCheckUtils]: 19: Hoare triple {48408#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48404#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,494 INFO L290 TraceCheckUtils]: 18: Hoare triple {48412#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48408#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,495 INFO L290 TraceCheckUtils]: 17: Hoare triple {48416#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48412#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,496 INFO L290 TraceCheckUtils]: 16: Hoare triple {48420#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48416#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} is VALID [2022-04-28 04:06:09,497 INFO L290 TraceCheckUtils]: 15: Hoare triple {48424#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48420#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,498 INFO L290 TraceCheckUtils]: 14: Hoare triple {48428#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48424#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} is VALID [2022-04-28 04:06:09,498 INFO L290 TraceCheckUtils]: 13: Hoare triple {48432#(or (< (mod (+ main_~z~0 55) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 54) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48428#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} is VALID [2022-04-28 04:06:09,499 INFO L290 TraceCheckUtils]: 12: Hoare triple {48436#(or (<= 268435455 (mod (+ main_~z~0 55) 4294967296)) (< (mod (+ 56 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48432#(or (< (mod (+ main_~z~0 55) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 54) 4294967296)))} is VALID [2022-04-28 04:06:09,500 INFO L290 TraceCheckUtils]: 11: Hoare triple {48440#(or (<= 268435455 (mod (+ 56 main_~z~0) 4294967296)) (< (mod (+ 57 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48436#(or (<= 268435455 (mod (+ main_~z~0 55) 4294967296)) (< (mod (+ 56 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,501 INFO L290 TraceCheckUtils]: 10: Hoare triple {48444#(or (<= 268435455 (mod (+ 57 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 58) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48440#(or (<= 268435455 (mod (+ 56 main_~z~0) 4294967296)) (< (mod (+ 57 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,502 INFO L290 TraceCheckUtils]: 9: Hoare triple {48448#(or (<= 268435455 (mod (+ main_~z~0 58) 4294967296)) (< (mod (+ 59 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48444#(or (<= 268435455 (mod (+ 57 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 58) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,502 INFO L290 TraceCheckUtils]: 8: Hoare triple {48452#(or (<= 268435455 (mod (+ 59 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 60) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48448#(or (<= 268435455 (mod (+ main_~z~0 58) 4294967296)) (< (mod (+ 59 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,503 INFO L290 TraceCheckUtils]: 7: Hoare triple {47910#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {48452#(or (<= 268435455 (mod (+ 59 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 60) 4294967296) 268435455))} is VALID [2022-04-28 04:06:09,503 INFO L290 TraceCheckUtils]: 6: Hoare triple {47910#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {47910#true} is VALID [2022-04-28 04:06:09,503 INFO L290 TraceCheckUtils]: 5: Hoare triple {47910#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {47910#true} is VALID [2022-04-28 04:06:09,503 INFO L272 TraceCheckUtils]: 4: Hoare triple {47910#true} call #t~ret7 := main(); {47910#true} is VALID [2022-04-28 04:06:09,503 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 04:06:09,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 04:06:09,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {47910#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 04:06:09,503 INFO L272 TraceCheckUtils]: 0: Hoare triple {47910#true} call ULTIMATE.init(); {47910#true} is VALID [2022-04-28 04:06:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:09,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453946803] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:06:09,504 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:06:09,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 63, 66] total 129 [2022-04-28 04:06:09,504 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:06:09,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [109187137] [2022-04-28 04:06:09,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [109187137] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:06:09,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:06:09,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2022-04-28 04:06:09,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148868708] [2022-04-28 04:06:09,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:06:09,505 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2022-04-28 04:06:09,505 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:06:09,505 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:09,544 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:09,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-04-28 04:06:09,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:06:09,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-04-28 04:06:09,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4160, Invalid=12352, Unknown=0, NotChecked=0, Total=16512 [2022-04-28 04:06:09,546 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:16,842 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2022-04-28 04:06:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-04-28 04:06:16,842 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2022-04-28 04:06:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:06:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 106 transitions. [2022-04-28 04:06:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 106 transitions. [2022-04-28 04:06:16,844 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 64 states and 106 transitions. [2022-04-28 04:06:16,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:16,913 INFO L225 Difference]: With dead ends: 159 [2022-04-28 04:06:16,913 INFO L226 Difference]: Without dead ends: 84 [2022-04-28 04:06:16,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2322 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=8260, Invalid=27650, Unknown=0, NotChecked=0, Total=35910 [2022-04-28 04:06:16,915 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-04-28 04:06:16,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-04-28 04:06:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-04-28 04:06:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2022-04-28 04:06:16,996 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:06:16,996 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:16,996 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:16,996 INFO L87 Difference]: Start difference. First operand 84 states. Second operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:16,997 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2022-04-28 04:06:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2022-04-28 04:06:16,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:06:16,997 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:06:16,997 INFO L74 IsIncluded]: Start isIncluded. First operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 84 states. [2022-04-28 04:06:16,997 INFO L87 Difference]: Start difference. First operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 84 states. [2022-04-28 04:06:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:16,998 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2022-04-28 04:06:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2022-04-28 04:06:16,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:06:16,998 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:06:16,998 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:06:16,998 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:06:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2022-04-28 04:06:16,999 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 73 [2022-04-28 04:06:16,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:06:16,999 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2022-04-28 04:06:16,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:16,999 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 83 states and 87 transitions. [2022-04-28 04:06:17,077 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-04-28 04:06:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-04-28 04:06:17,077 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:06:17,077 INFO L195 NwaCegarLoop]: trace histogram [61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:06:17,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2022-04-28 04:06:17,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,SelfDestructingSolverStorable123,61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:06:17,278 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:06:17,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:06:17,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1343380126, now seen corresponding path program 121 times [2022-04-28 04:06:17,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:06:17,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1810440530] [2022-04-28 04:06:20,024 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:06:20,164 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:06:20,165 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:06:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1027155773, now seen corresponding path program 1 times [2022-04-28 04:06:20,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:06:20,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942503952] [2022-04-28 04:06:20,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:06:20,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:06:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:06:20,172 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:06:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:06:20,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:06:20,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1343380126, now seen corresponding path program 122 times [2022-04-28 04:06:20,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:06:20,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012883655] [2022-04-28 04:06:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:06:20,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:06:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:06:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:06:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:06:21,969 INFO L290 TraceCheckUtils]: 0: Hoare triple {49321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 04:06:21,969 INFO L290 TraceCheckUtils]: 1: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 04:06:21,969 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 04:06:21,969 INFO L272 TraceCheckUtils]: 0: Hoare triple {49254#true} call ULTIMATE.init(); {49321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:06:21,969 INFO L290 TraceCheckUtils]: 1: Hoare triple {49321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 04:06:21,969 INFO L290 TraceCheckUtils]: 2: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 04:06:21,970 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 04:06:21,970 INFO L272 TraceCheckUtils]: 4: Hoare triple {49254#true} call #t~ret7 := main(); {49254#true} is VALID [2022-04-28 04:06:21,970 INFO L290 TraceCheckUtils]: 5: Hoare triple {49254#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {49254#true} is VALID [2022-04-28 04:06:21,970 INFO L290 TraceCheckUtils]: 6: Hoare triple {49254#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {49254#true} is VALID [2022-04-28 04:06:21,970 INFO L290 TraceCheckUtils]: 7: Hoare triple {49254#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {49259#(= main_~z~0 0)} is VALID [2022-04-28 04:06:21,970 INFO L290 TraceCheckUtils]: 8: Hoare triple {49259#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:06:21,971 INFO L290 TraceCheckUtils]: 9: Hoare triple {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:06:21,971 INFO L290 TraceCheckUtils]: 10: Hoare triple {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:06:21,972 INFO L290 TraceCheckUtils]: 11: Hoare triple {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:06:21,972 INFO L290 TraceCheckUtils]: 12: Hoare triple {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:06:21,973 INFO L290 TraceCheckUtils]: 13: Hoare triple {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:06:21,973 INFO L290 TraceCheckUtils]: 14: Hoare triple {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:06:21,974 INFO L290 TraceCheckUtils]: 15: Hoare triple {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:06:21,974 INFO L290 TraceCheckUtils]: 16: Hoare triple {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:06:21,975 INFO L290 TraceCheckUtils]: 17: Hoare triple {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:06:21,975 INFO L290 TraceCheckUtils]: 18: Hoare triple {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:06:21,976 INFO L290 TraceCheckUtils]: 19: Hoare triple {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:06:21,976 INFO L290 TraceCheckUtils]: 20: Hoare triple {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:06:21,977 INFO L290 TraceCheckUtils]: 21: Hoare triple {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:06:21,977 INFO L290 TraceCheckUtils]: 22: Hoare triple {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:06:21,978 INFO L290 TraceCheckUtils]: 23: Hoare triple {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:06:21,978 INFO L290 TraceCheckUtils]: 24: Hoare triple {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:06:21,979 INFO L290 TraceCheckUtils]: 25: Hoare triple {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:06:21,979 INFO L290 TraceCheckUtils]: 26: Hoare triple {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:06:21,980 INFO L290 TraceCheckUtils]: 27: Hoare triple {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:06:21,980 INFO L290 TraceCheckUtils]: 28: Hoare triple {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:06:21,981 INFO L290 TraceCheckUtils]: 29: Hoare triple {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:06:21,981 INFO L290 TraceCheckUtils]: 30: Hoare triple {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:06:21,982 INFO L290 TraceCheckUtils]: 31: Hoare triple {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:06:21,982 INFO L290 TraceCheckUtils]: 32: Hoare triple {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:06:21,983 INFO L290 TraceCheckUtils]: 33: Hoare triple {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:06:21,983 INFO L290 TraceCheckUtils]: 34: Hoare triple {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:06:21,983 INFO L290 TraceCheckUtils]: 35: Hoare triple {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:06:21,984 INFO L290 TraceCheckUtils]: 36: Hoare triple {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:06:21,984 INFO L290 TraceCheckUtils]: 37: Hoare triple {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:06:21,985 INFO L290 TraceCheckUtils]: 38: Hoare triple {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:06:21,985 INFO L290 TraceCheckUtils]: 39: Hoare triple {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:06:21,986 INFO L290 TraceCheckUtils]: 40: Hoare triple {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:06:21,986 INFO L290 TraceCheckUtils]: 41: Hoare triple {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:06:21,987 INFO L290 TraceCheckUtils]: 42: Hoare triple {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:06:21,987 INFO L290 TraceCheckUtils]: 43: Hoare triple {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:06:21,988 INFO L290 TraceCheckUtils]: 44: Hoare triple {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:06:21,988 INFO L290 TraceCheckUtils]: 45: Hoare triple {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:06:21,989 INFO L290 TraceCheckUtils]: 46: Hoare triple {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:06:21,989 INFO L290 TraceCheckUtils]: 47: Hoare triple {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:06:21,990 INFO L290 TraceCheckUtils]: 48: Hoare triple {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:06:21,990 INFO L290 TraceCheckUtils]: 49: Hoare triple {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:06:21,991 INFO L290 TraceCheckUtils]: 50: Hoare triple {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:06:21,991 INFO L290 TraceCheckUtils]: 51: Hoare triple {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:06:21,992 INFO L290 TraceCheckUtils]: 52: Hoare triple {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:06:21,992 INFO L290 TraceCheckUtils]: 53: Hoare triple {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:06:21,993 INFO L290 TraceCheckUtils]: 54: Hoare triple {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:06:21,993 INFO L290 TraceCheckUtils]: 55: Hoare triple {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:06:21,994 INFO L290 TraceCheckUtils]: 56: Hoare triple {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:06:21,994 INFO L290 TraceCheckUtils]: 57: Hoare triple {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:06:21,995 INFO L290 TraceCheckUtils]: 58: Hoare triple {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:06:21,995 INFO L290 TraceCheckUtils]: 59: Hoare triple {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:06:21,996 INFO L290 TraceCheckUtils]: 60: Hoare triple {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:06:21,996 INFO L290 TraceCheckUtils]: 61: Hoare triple {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:06:21,997 INFO L290 TraceCheckUtils]: 62: Hoare triple {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:06:21,997 INFO L290 TraceCheckUtils]: 63: Hoare triple {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:06:21,997 INFO L290 TraceCheckUtils]: 64: Hoare triple {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:06:21,998 INFO L290 TraceCheckUtils]: 65: Hoare triple {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:06:21,998 INFO L290 TraceCheckUtils]: 66: Hoare triple {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:06:21,999 INFO L290 TraceCheckUtils]: 67: Hoare triple {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:06:21,999 INFO L290 TraceCheckUtils]: 68: Hoare triple {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49320#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 61))} is VALID [2022-04-28 04:06:22,000 INFO L290 TraceCheckUtils]: 69: Hoare triple {49320#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 61))} assume !(~z~0 % 4294967296 < 268435455); {49255#false} is VALID [2022-04-28 04:06:22,000 INFO L272 TraceCheckUtils]: 70: Hoare triple {49255#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {49255#false} is VALID [2022-04-28 04:06:22,000 INFO L290 TraceCheckUtils]: 71: Hoare triple {49255#false} ~cond := #in~cond; {49255#false} is VALID [2022-04-28 04:06:22,000 INFO L290 TraceCheckUtils]: 72: Hoare triple {49255#false} assume 0 == ~cond; {49255#false} is VALID [2022-04-28 04:06:22,000 INFO L290 TraceCheckUtils]: 73: Hoare triple {49255#false} assume !false; {49255#false} is VALID [2022-04-28 04:06:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:22,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:06:22,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012883655] [2022-04-28 04:06:22,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012883655] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:06:22,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974807377] [2022-04-28 04:06:22,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 04:06:22,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:06:22,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:06:22,002 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:06:22,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2022-04-28 04:06:22,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 04:06:22,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:06:22,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 125 conjunts are in the unsatisfiable core [2022-04-28 04:06:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:06:22,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:06:22,953 INFO L272 TraceCheckUtils]: 0: Hoare triple {49254#true} call ULTIMATE.init(); {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L290 TraceCheckUtils]: 1: Hoare triple {49254#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L290 TraceCheckUtils]: 2: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L272 TraceCheckUtils]: 4: Hoare triple {49254#true} call #t~ret7 := main(); {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L290 TraceCheckUtils]: 5: Hoare triple {49254#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L290 TraceCheckUtils]: 6: Hoare triple {49254#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {49254#true} is VALID [2022-04-28 04:06:22,954 INFO L290 TraceCheckUtils]: 7: Hoare triple {49254#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {49259#(= main_~z~0 0)} is VALID [2022-04-28 04:06:22,955 INFO L290 TraceCheckUtils]: 8: Hoare triple {49259#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:06:22,955 INFO L290 TraceCheckUtils]: 9: Hoare triple {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:06:22,956 INFO L290 TraceCheckUtils]: 10: Hoare triple {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:06:22,956 INFO L290 TraceCheckUtils]: 11: Hoare triple {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:06:22,957 INFO L290 TraceCheckUtils]: 12: Hoare triple {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:06:22,958 INFO L290 TraceCheckUtils]: 13: Hoare triple {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:06:22,958 INFO L290 TraceCheckUtils]: 14: Hoare triple {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:06:22,959 INFO L290 TraceCheckUtils]: 15: Hoare triple {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:06:22,959 INFO L290 TraceCheckUtils]: 16: Hoare triple {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:06:22,960 INFO L290 TraceCheckUtils]: 17: Hoare triple {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:06:22,960 INFO L290 TraceCheckUtils]: 18: Hoare triple {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:06:22,961 INFO L290 TraceCheckUtils]: 19: Hoare triple {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:06:22,961 INFO L290 TraceCheckUtils]: 20: Hoare triple {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:06:22,962 INFO L290 TraceCheckUtils]: 21: Hoare triple {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:06:22,962 INFO L290 TraceCheckUtils]: 22: Hoare triple {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:06:22,963 INFO L290 TraceCheckUtils]: 23: Hoare triple {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:06:22,963 INFO L290 TraceCheckUtils]: 24: Hoare triple {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:06:22,964 INFO L290 TraceCheckUtils]: 25: Hoare triple {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:06:22,964 INFO L290 TraceCheckUtils]: 26: Hoare triple {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:06:22,965 INFO L290 TraceCheckUtils]: 27: Hoare triple {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:06:22,965 INFO L290 TraceCheckUtils]: 28: Hoare triple {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:06:22,966 INFO L290 TraceCheckUtils]: 29: Hoare triple {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:06:22,966 INFO L290 TraceCheckUtils]: 30: Hoare triple {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:06:22,967 INFO L290 TraceCheckUtils]: 31: Hoare triple {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:06:22,967 INFO L290 TraceCheckUtils]: 32: Hoare triple {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:06:22,968 INFO L290 TraceCheckUtils]: 33: Hoare triple {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:06:22,968 INFO L290 TraceCheckUtils]: 34: Hoare triple {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:06:22,969 INFO L290 TraceCheckUtils]: 35: Hoare triple {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:06:22,969 INFO L290 TraceCheckUtils]: 36: Hoare triple {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:06:22,970 INFO L290 TraceCheckUtils]: 37: Hoare triple {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:06:22,970 INFO L290 TraceCheckUtils]: 38: Hoare triple {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:06:22,971 INFO L290 TraceCheckUtils]: 39: Hoare triple {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:06:22,971 INFO L290 TraceCheckUtils]: 40: Hoare triple {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:06:22,972 INFO L290 TraceCheckUtils]: 41: Hoare triple {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:06:22,972 INFO L290 TraceCheckUtils]: 42: Hoare triple {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:06:22,973 INFO L290 TraceCheckUtils]: 43: Hoare triple {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:06:22,973 INFO L290 TraceCheckUtils]: 44: Hoare triple {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:06:22,974 INFO L290 TraceCheckUtils]: 45: Hoare triple {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:06:22,974 INFO L290 TraceCheckUtils]: 46: Hoare triple {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:06:22,974 INFO L290 TraceCheckUtils]: 47: Hoare triple {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:06:22,975 INFO L290 TraceCheckUtils]: 48: Hoare triple {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:06:22,975 INFO L290 TraceCheckUtils]: 49: Hoare triple {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:06:22,976 INFO L290 TraceCheckUtils]: 50: Hoare triple {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:06:22,976 INFO L290 TraceCheckUtils]: 51: Hoare triple {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:06:22,977 INFO L290 TraceCheckUtils]: 52: Hoare triple {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:06:22,977 INFO L290 TraceCheckUtils]: 53: Hoare triple {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:06:22,978 INFO L290 TraceCheckUtils]: 54: Hoare triple {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:06:22,978 INFO L290 TraceCheckUtils]: 55: Hoare triple {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:06:22,979 INFO L290 TraceCheckUtils]: 56: Hoare triple {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:06:22,979 INFO L290 TraceCheckUtils]: 57: Hoare triple {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:06:22,980 INFO L290 TraceCheckUtils]: 58: Hoare triple {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:06:22,980 INFO L290 TraceCheckUtils]: 59: Hoare triple {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:06:22,981 INFO L290 TraceCheckUtils]: 60: Hoare triple {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:06:22,981 INFO L290 TraceCheckUtils]: 61: Hoare triple {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:06:22,981 INFO L290 TraceCheckUtils]: 62: Hoare triple {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:06:22,982 INFO L290 TraceCheckUtils]: 63: Hoare triple {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:06:22,982 INFO L290 TraceCheckUtils]: 64: Hoare triple {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:06:22,983 INFO L290 TraceCheckUtils]: 65: Hoare triple {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:06:22,983 INFO L290 TraceCheckUtils]: 66: Hoare triple {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:06:22,984 INFO L290 TraceCheckUtils]: 67: Hoare triple {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:06:22,984 INFO L290 TraceCheckUtils]: 68: Hoare triple {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49529#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 04:06:22,985 INFO L290 TraceCheckUtils]: 69: Hoare triple {49529#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !(~z~0 % 4294967296 < 268435455); {49255#false} is VALID [2022-04-28 04:06:22,985 INFO L272 TraceCheckUtils]: 70: Hoare triple {49255#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {49255#false} is VALID [2022-04-28 04:06:22,985 INFO L290 TraceCheckUtils]: 71: Hoare triple {49255#false} ~cond := #in~cond; {49255#false} is VALID [2022-04-28 04:06:22,985 INFO L290 TraceCheckUtils]: 72: Hoare triple {49255#false} assume 0 == ~cond; {49255#false} is VALID [2022-04-28 04:06:22,985 INFO L290 TraceCheckUtils]: 73: Hoare triple {49255#false} assume !false; {49255#false} is VALID [2022-04-28 04:06:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:22,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:06:28,675 INFO L290 TraceCheckUtils]: 73: Hoare triple {49255#false} assume !false; {49255#false} is VALID [2022-04-28 04:06:28,675 INFO L290 TraceCheckUtils]: 72: Hoare triple {49255#false} assume 0 == ~cond; {49255#false} is VALID [2022-04-28 04:06:28,675 INFO L290 TraceCheckUtils]: 71: Hoare triple {49255#false} ~cond := #in~cond; {49255#false} is VALID [2022-04-28 04:06:28,675 INFO L272 TraceCheckUtils]: 70: Hoare triple {49255#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {49255#false} is VALID [2022-04-28 04:06:28,676 INFO L290 TraceCheckUtils]: 69: Hoare triple {49557#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {49255#false} is VALID [2022-04-28 04:06:28,676 INFO L290 TraceCheckUtils]: 68: Hoare triple {49561#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49557#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,677 INFO L290 TraceCheckUtils]: 67: Hoare triple {49565#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49561#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,678 INFO L290 TraceCheckUtils]: 66: Hoare triple {49569#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49565#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,678 INFO L290 TraceCheckUtils]: 65: Hoare triple {49573#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49569#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,679 INFO L290 TraceCheckUtils]: 64: Hoare triple {49577#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49573#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,679 INFO L290 TraceCheckUtils]: 63: Hoare triple {49581#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49577#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,680 INFO L290 TraceCheckUtils]: 62: Hoare triple {49585#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49581#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,681 INFO L290 TraceCheckUtils]: 61: Hoare triple {49589#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49585#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,681 INFO L290 TraceCheckUtils]: 60: Hoare triple {49593#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49589#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,682 INFO L290 TraceCheckUtils]: 59: Hoare triple {49597#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49593#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,683 INFO L290 TraceCheckUtils]: 58: Hoare triple {49601#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49597#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,683 INFO L290 TraceCheckUtils]: 57: Hoare triple {49605#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49601#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,684 INFO L290 TraceCheckUtils]: 56: Hoare triple {49609#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49605#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,685 INFO L290 TraceCheckUtils]: 55: Hoare triple {49613#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49609#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,685 INFO L290 TraceCheckUtils]: 54: Hoare triple {49617#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49613#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,686 INFO L290 TraceCheckUtils]: 53: Hoare triple {49621#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49617#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,686 INFO L290 TraceCheckUtils]: 52: Hoare triple {49625#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49621#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,687 INFO L290 TraceCheckUtils]: 51: Hoare triple {49629#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49625#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,688 INFO L290 TraceCheckUtils]: 50: Hoare triple {49633#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49629#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,688 INFO L290 TraceCheckUtils]: 49: Hoare triple {49637#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49633#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,689 INFO L290 TraceCheckUtils]: 48: Hoare triple {49641#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49637#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,690 INFO L290 TraceCheckUtils]: 47: Hoare triple {49645#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49641#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,690 INFO L290 TraceCheckUtils]: 46: Hoare triple {49649#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49645#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,691 INFO L290 TraceCheckUtils]: 45: Hoare triple {49653#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49649#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,691 INFO L290 TraceCheckUtils]: 44: Hoare triple {49657#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49653#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,692 INFO L290 TraceCheckUtils]: 43: Hoare triple {49661#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49657#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,693 INFO L290 TraceCheckUtils]: 42: Hoare triple {49665#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49661#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,693 INFO L290 TraceCheckUtils]: 41: Hoare triple {49669#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49665#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,694 INFO L290 TraceCheckUtils]: 40: Hoare triple {49673#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49669#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,695 INFO L290 TraceCheckUtils]: 39: Hoare triple {49677#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49673#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,695 INFO L290 TraceCheckUtils]: 38: Hoare triple {49681#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49677#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,696 INFO L290 TraceCheckUtils]: 37: Hoare triple {49685#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49681#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,696 INFO L290 TraceCheckUtils]: 36: Hoare triple {49689#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49685#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,697 INFO L290 TraceCheckUtils]: 35: Hoare triple {49693#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49689#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,698 INFO L290 TraceCheckUtils]: 34: Hoare triple {49697#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49693#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,698 INFO L290 TraceCheckUtils]: 33: Hoare triple {49701#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49697#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,699 INFO L290 TraceCheckUtils]: 32: Hoare triple {49705#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49701#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,700 INFO L290 TraceCheckUtils]: 31: Hoare triple {49709#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49705#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,700 INFO L290 TraceCheckUtils]: 30: Hoare triple {49713#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49709#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,701 INFO L290 TraceCheckUtils]: 29: Hoare triple {49717#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49713#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,701 INFO L290 TraceCheckUtils]: 28: Hoare triple {49721#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49717#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,702 INFO L290 TraceCheckUtils]: 27: Hoare triple {49725#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49721#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,703 INFO L290 TraceCheckUtils]: 26: Hoare triple {49729#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49725#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,703 INFO L290 TraceCheckUtils]: 25: Hoare triple {49733#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49729#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,704 INFO L290 TraceCheckUtils]: 24: Hoare triple {49737#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49733#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,705 INFO L290 TraceCheckUtils]: 23: Hoare triple {49741#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49737#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,705 INFO L290 TraceCheckUtils]: 22: Hoare triple {49745#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49741#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,706 INFO L290 TraceCheckUtils]: 21: Hoare triple {49749#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49745#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,707 INFO L290 TraceCheckUtils]: 20: Hoare triple {49753#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49749#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,707 INFO L290 TraceCheckUtils]: 19: Hoare triple {49757#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49753#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,708 INFO L290 TraceCheckUtils]: 18: Hoare triple {49761#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49757#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,709 INFO L290 TraceCheckUtils]: 17: Hoare triple {49765#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49761#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,709 INFO L290 TraceCheckUtils]: 16: Hoare triple {49769#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49765#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,710 INFO L290 TraceCheckUtils]: 15: Hoare triple {49773#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49769#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,710 INFO L290 TraceCheckUtils]: 14: Hoare triple {49777#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49773#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,711 INFO L290 TraceCheckUtils]: 13: Hoare triple {49781#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49777#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,712 INFO L290 TraceCheckUtils]: 12: Hoare triple {49785#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49781#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,712 INFO L290 TraceCheckUtils]: 11: Hoare triple {49789#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49785#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,713 INFO L290 TraceCheckUtils]: 10: Hoare triple {49793#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49789#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,713 INFO L290 TraceCheckUtils]: 9: Hoare triple {49797#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49793#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,714 INFO L290 TraceCheckUtils]: 8: Hoare triple {49801#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49797#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,714 INFO L290 TraceCheckUtils]: 7: Hoare triple {49254#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {49801#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} is VALID [2022-04-28 04:06:28,715 INFO L290 TraceCheckUtils]: 6: Hoare triple {49254#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {49254#true} is VALID [2022-04-28 04:06:28,715 INFO L290 TraceCheckUtils]: 5: Hoare triple {49254#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {49254#true} is VALID [2022-04-28 04:06:28,715 INFO L272 TraceCheckUtils]: 4: Hoare triple {49254#true} call #t~ret7 := main(); {49254#true} is VALID [2022-04-28 04:06:28,715 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 04:06:28,715 INFO L290 TraceCheckUtils]: 2: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 04:06:28,715 INFO L290 TraceCheckUtils]: 1: Hoare triple {49254#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 04:06:28,715 INFO L272 TraceCheckUtils]: 0: Hoare triple {49254#true} call ULTIMATE.init(); {49254#true} is VALID [2022-04-28 04:06:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:28,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974807377] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:06:28,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:06:28,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 64, 64] total 128 [2022-04-28 04:06:28,716 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:06:28,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1810440530] [2022-04-28 04:06:28,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1810440530] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:06:28,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:06:28,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2022-04-28 04:06:28,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4851665] [2022-04-28 04:06:28,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:06:28,717 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-28 04:06:28,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:06:28,717 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:28,754 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:28,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-04-28 04:06:28,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:06:28,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-04-28 04:06:28,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4221, Invalid=12035, Unknown=0, NotChecked=0, Total=16256 [2022-04-28 04:06:28,756 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:37,336 INFO L93 Difference]: Finished difference Result 161 states and 170 transitions. [2022-04-28 04:06:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-04-28 04:06:37,336 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-28 04:06:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:06:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 107 transitions. [2022-04-28 04:06:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 107 transitions. [2022-04-28 04:06:37,339 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 65 states and 107 transitions. [2022-04-28 04:06:37,420 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:37,421 INFO L225 Difference]: With dead ends: 161 [2022-04-28 04:06:37,421 INFO L226 Difference]: Without dead ends: 85 [2022-04-28 04:06:37,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=8435, Invalid=27475, Unknown=0, NotChecked=0, Total=35910 [2022-04-28 04:06:37,423 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 4808 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 4937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 4808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-04-28 04:06:37,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 323 Invalid, 4937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 4808 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-04-28 04:06:37,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-04-28 04:06:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2022-04-28 04:06:37,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:06:37,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:37,502 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:37,502 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:37,503 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2022-04-28 04:06:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2022-04-28 04:06:37,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:06:37,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:06:37,503 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 85 states. [2022-04-28 04:06:37,503 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 85 states. [2022-04-28 04:06:37,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:37,504 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2022-04-28 04:06:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2022-04-28 04:06:37,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:06:37,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:06:37,504 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:06:37,504 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:06:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2022-04-28 04:06:37,505 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 74 [2022-04-28 04:06:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:06:37,506 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2022-04-28 04:06:37,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:37,506 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 84 states and 88 transitions. [2022-04-28 04:06:37,583 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2022-04-28 04:06:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-28 04:06:37,583 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:06:37,584 INFO L195 NwaCegarLoop]: trace histogram [62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:06:37,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2022-04-28 04:06:37,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124,SelfDestructingSolverStorable125 [2022-04-28 04:06:37,784 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:06:37,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:06:37,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1331191618, now seen corresponding path program 123 times [2022-04-28 04:06:37,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:06:37,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1684080413] [2022-04-28 04:06:40,424 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:06:40,558 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:06:40,559 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:06:40,560 INFO L85 PathProgramCache]: Analyzing trace with hash -968050429, now seen corresponding path program 1 times [2022-04-28 04:06:40,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:06:40,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082973406] [2022-04-28 04:06:40,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:06:40,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:06:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:06:40,565 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:06:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:06:40,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:06:40,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1331191618, now seen corresponding path program 124 times [2022-04-28 04:06:40,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:06:40,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282148827] [2022-04-28 04:06:40,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:06:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:06:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:06:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:06:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:06:42,372 INFO L290 TraceCheckUtils]: 0: Hoare triple {50681#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 04:06:42,372 INFO L290 TraceCheckUtils]: 1: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 04:06:42,372 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 04:06:42,372 INFO L272 TraceCheckUtils]: 0: Hoare triple {50613#true} call ULTIMATE.init(); {50681#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:06:42,372 INFO L290 TraceCheckUtils]: 1: Hoare triple {50681#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 04:06:42,372 INFO L290 TraceCheckUtils]: 2: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 04:06:42,373 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 04:06:42,373 INFO L272 TraceCheckUtils]: 4: Hoare triple {50613#true} call #t~ret7 := main(); {50613#true} is VALID [2022-04-28 04:06:42,373 INFO L290 TraceCheckUtils]: 5: Hoare triple {50613#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {50613#true} is VALID [2022-04-28 04:06:42,373 INFO L290 TraceCheckUtils]: 6: Hoare triple {50613#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {50613#true} is VALID [2022-04-28 04:06:42,373 INFO L290 TraceCheckUtils]: 7: Hoare triple {50613#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {50618#(= main_~z~0 0)} is VALID [2022-04-28 04:06:42,373 INFO L290 TraceCheckUtils]: 8: Hoare triple {50618#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:06:42,374 INFO L290 TraceCheckUtils]: 9: Hoare triple {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:06:42,374 INFO L290 TraceCheckUtils]: 10: Hoare triple {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:06:42,375 INFO L290 TraceCheckUtils]: 11: Hoare triple {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:06:42,375 INFO L290 TraceCheckUtils]: 12: Hoare triple {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:06:42,376 INFO L290 TraceCheckUtils]: 13: Hoare triple {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:06:42,376 INFO L290 TraceCheckUtils]: 14: Hoare triple {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:06:42,377 INFO L290 TraceCheckUtils]: 15: Hoare triple {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:06:42,377 INFO L290 TraceCheckUtils]: 16: Hoare triple {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:06:42,378 INFO L290 TraceCheckUtils]: 17: Hoare triple {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:06:42,378 INFO L290 TraceCheckUtils]: 18: Hoare triple {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:06:42,379 INFO L290 TraceCheckUtils]: 19: Hoare triple {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:06:42,379 INFO L290 TraceCheckUtils]: 20: Hoare triple {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:06:42,380 INFO L290 TraceCheckUtils]: 21: Hoare triple {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:06:42,380 INFO L290 TraceCheckUtils]: 22: Hoare triple {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:06:42,380 INFO L290 TraceCheckUtils]: 23: Hoare triple {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:06:42,381 INFO L290 TraceCheckUtils]: 24: Hoare triple {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:06:42,381 INFO L290 TraceCheckUtils]: 25: Hoare triple {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:06:42,382 INFO L290 TraceCheckUtils]: 26: Hoare triple {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:06:42,382 INFO L290 TraceCheckUtils]: 27: Hoare triple {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:06:42,383 INFO L290 TraceCheckUtils]: 28: Hoare triple {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:06:42,383 INFO L290 TraceCheckUtils]: 29: Hoare triple {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:06:42,384 INFO L290 TraceCheckUtils]: 30: Hoare triple {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:06:42,384 INFO L290 TraceCheckUtils]: 31: Hoare triple {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:06:42,385 INFO L290 TraceCheckUtils]: 32: Hoare triple {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:06:42,385 INFO L290 TraceCheckUtils]: 33: Hoare triple {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:06:42,386 INFO L290 TraceCheckUtils]: 34: Hoare triple {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:06:42,386 INFO L290 TraceCheckUtils]: 35: Hoare triple {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:06:42,387 INFO L290 TraceCheckUtils]: 36: Hoare triple {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:06:42,387 INFO L290 TraceCheckUtils]: 37: Hoare triple {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:06:42,388 INFO L290 TraceCheckUtils]: 38: Hoare triple {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:06:42,388 INFO L290 TraceCheckUtils]: 39: Hoare triple {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:06:42,388 INFO L290 TraceCheckUtils]: 40: Hoare triple {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:06:42,389 INFO L290 TraceCheckUtils]: 41: Hoare triple {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:06:42,389 INFO L290 TraceCheckUtils]: 42: Hoare triple {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:06:42,390 INFO L290 TraceCheckUtils]: 43: Hoare triple {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:06:42,390 INFO L290 TraceCheckUtils]: 44: Hoare triple {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:06:42,391 INFO L290 TraceCheckUtils]: 45: Hoare triple {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:06:42,391 INFO L290 TraceCheckUtils]: 46: Hoare triple {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:06:42,392 INFO L290 TraceCheckUtils]: 47: Hoare triple {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:06:42,392 INFO L290 TraceCheckUtils]: 48: Hoare triple {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:06:42,393 INFO L290 TraceCheckUtils]: 49: Hoare triple {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:06:42,393 INFO L290 TraceCheckUtils]: 50: Hoare triple {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:06:42,394 INFO L290 TraceCheckUtils]: 51: Hoare triple {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:06:42,394 INFO L290 TraceCheckUtils]: 52: Hoare triple {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:06:42,394 INFO L290 TraceCheckUtils]: 53: Hoare triple {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:06:42,395 INFO L290 TraceCheckUtils]: 54: Hoare triple {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:06:42,395 INFO L290 TraceCheckUtils]: 55: Hoare triple {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:06:42,396 INFO L290 TraceCheckUtils]: 56: Hoare triple {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:06:42,396 INFO L290 TraceCheckUtils]: 57: Hoare triple {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:06:42,397 INFO L290 TraceCheckUtils]: 58: Hoare triple {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:06:42,397 INFO L290 TraceCheckUtils]: 59: Hoare triple {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:06:42,398 INFO L290 TraceCheckUtils]: 60: Hoare triple {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:06:42,398 INFO L290 TraceCheckUtils]: 61: Hoare triple {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:06:42,399 INFO L290 TraceCheckUtils]: 62: Hoare triple {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:06:42,399 INFO L290 TraceCheckUtils]: 63: Hoare triple {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:06:42,400 INFO L290 TraceCheckUtils]: 64: Hoare triple {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:06:42,400 INFO L290 TraceCheckUtils]: 65: Hoare triple {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:06:42,400 INFO L290 TraceCheckUtils]: 66: Hoare triple {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:06:42,401 INFO L290 TraceCheckUtils]: 67: Hoare triple {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:06:42,401 INFO L290 TraceCheckUtils]: 68: Hoare triple {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 04:06:42,402 INFO L290 TraceCheckUtils]: 69: Hoare triple {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50680#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 62))} is VALID [2022-04-28 04:06:42,402 INFO L290 TraceCheckUtils]: 70: Hoare triple {50680#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 62))} assume !(~z~0 % 4294967296 < 268435455); {50614#false} is VALID [2022-04-28 04:06:42,402 INFO L272 TraceCheckUtils]: 71: Hoare triple {50614#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {50614#false} is VALID [2022-04-28 04:06:42,403 INFO L290 TraceCheckUtils]: 72: Hoare triple {50614#false} ~cond := #in~cond; {50614#false} is VALID [2022-04-28 04:06:42,403 INFO L290 TraceCheckUtils]: 73: Hoare triple {50614#false} assume 0 == ~cond; {50614#false} is VALID [2022-04-28 04:06:42,403 INFO L290 TraceCheckUtils]: 74: Hoare triple {50614#false} assume !false; {50614#false} is VALID [2022-04-28 04:06:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:42,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:06:42,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282148827] [2022-04-28 04:06:42,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282148827] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:06:42,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375465543] [2022-04-28 04:06:42,403 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 04:06:42,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:06:42,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:06:42,405 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:06:42,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2022-04-28 04:06:42,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 04:06:42,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:06:42,545 WARN L261 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 127 conjunts are in the unsatisfiable core [2022-04-28 04:06:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:06:42,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:06:43,278 INFO L272 TraceCheckUtils]: 0: Hoare triple {50613#true} call ULTIMATE.init(); {50613#true} is VALID [2022-04-28 04:06:43,278 INFO L290 TraceCheckUtils]: 1: Hoare triple {50613#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 04:06:43,278 INFO L290 TraceCheckUtils]: 2: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 04:06:43,278 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 04:06:43,278 INFO L272 TraceCheckUtils]: 4: Hoare triple {50613#true} call #t~ret7 := main(); {50613#true} is VALID [2022-04-28 04:06:43,278 INFO L290 TraceCheckUtils]: 5: Hoare triple {50613#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {50613#true} is VALID [2022-04-28 04:06:43,278 INFO L290 TraceCheckUtils]: 6: Hoare triple {50613#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {50613#true} is VALID [2022-04-28 04:06:43,279 INFO L290 TraceCheckUtils]: 7: Hoare triple {50613#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {50618#(= main_~z~0 0)} is VALID [2022-04-28 04:06:43,279 INFO L290 TraceCheckUtils]: 8: Hoare triple {50618#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:06:43,279 INFO L290 TraceCheckUtils]: 9: Hoare triple {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:06:43,280 INFO L290 TraceCheckUtils]: 10: Hoare triple {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:06:43,280 INFO L290 TraceCheckUtils]: 11: Hoare triple {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:06:43,281 INFO L290 TraceCheckUtils]: 12: Hoare triple {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:06:43,281 INFO L290 TraceCheckUtils]: 13: Hoare triple {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:06:43,282 INFO L290 TraceCheckUtils]: 14: Hoare triple {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:06:43,282 INFO L290 TraceCheckUtils]: 15: Hoare triple {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:06:43,283 INFO L290 TraceCheckUtils]: 16: Hoare triple {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:06:43,283 INFO L290 TraceCheckUtils]: 17: Hoare triple {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:06:43,284 INFO L290 TraceCheckUtils]: 18: Hoare triple {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:06:43,284 INFO L290 TraceCheckUtils]: 19: Hoare triple {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:06:43,285 INFO L290 TraceCheckUtils]: 20: Hoare triple {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:06:43,285 INFO L290 TraceCheckUtils]: 21: Hoare triple {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:06:43,286 INFO L290 TraceCheckUtils]: 22: Hoare triple {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:06:43,286 INFO L290 TraceCheckUtils]: 23: Hoare triple {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:06:43,287 INFO L290 TraceCheckUtils]: 24: Hoare triple {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:06:43,287 INFO L290 TraceCheckUtils]: 25: Hoare triple {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:06:43,288 INFO L290 TraceCheckUtils]: 26: Hoare triple {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:06:43,288 INFO L290 TraceCheckUtils]: 27: Hoare triple {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:06:43,289 INFO L290 TraceCheckUtils]: 28: Hoare triple {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:06:43,289 INFO L290 TraceCheckUtils]: 29: Hoare triple {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:06:43,290 INFO L290 TraceCheckUtils]: 30: Hoare triple {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:06:43,290 INFO L290 TraceCheckUtils]: 31: Hoare triple {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:06:43,290 INFO L290 TraceCheckUtils]: 32: Hoare triple {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:06:43,291 INFO L290 TraceCheckUtils]: 33: Hoare triple {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:06:43,291 INFO L290 TraceCheckUtils]: 34: Hoare triple {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:06:43,292 INFO L290 TraceCheckUtils]: 35: Hoare triple {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:06:43,292 INFO L290 TraceCheckUtils]: 36: Hoare triple {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:06:43,293 INFO L290 TraceCheckUtils]: 37: Hoare triple {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:06:43,293 INFO L290 TraceCheckUtils]: 38: Hoare triple {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:06:43,294 INFO L290 TraceCheckUtils]: 39: Hoare triple {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:06:43,294 INFO L290 TraceCheckUtils]: 40: Hoare triple {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:06:43,295 INFO L290 TraceCheckUtils]: 41: Hoare triple {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:06:43,295 INFO L290 TraceCheckUtils]: 42: Hoare triple {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:06:43,296 INFO L290 TraceCheckUtils]: 43: Hoare triple {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:06:43,296 INFO L290 TraceCheckUtils]: 44: Hoare triple {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:06:43,297 INFO L290 TraceCheckUtils]: 45: Hoare triple {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:06:43,297 INFO L290 TraceCheckUtils]: 46: Hoare triple {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:06:43,298 INFO L290 TraceCheckUtils]: 47: Hoare triple {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:06:43,298 INFO L290 TraceCheckUtils]: 48: Hoare triple {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:06:43,298 INFO L290 TraceCheckUtils]: 49: Hoare triple {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:06:43,299 INFO L290 TraceCheckUtils]: 50: Hoare triple {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:06:43,299 INFO L290 TraceCheckUtils]: 51: Hoare triple {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:06:43,300 INFO L290 TraceCheckUtils]: 52: Hoare triple {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:06:43,300 INFO L290 TraceCheckUtils]: 53: Hoare triple {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:06:43,301 INFO L290 TraceCheckUtils]: 54: Hoare triple {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:06:43,301 INFO L290 TraceCheckUtils]: 55: Hoare triple {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:06:43,302 INFO L290 TraceCheckUtils]: 56: Hoare triple {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:06:43,302 INFO L290 TraceCheckUtils]: 57: Hoare triple {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:06:43,303 INFO L290 TraceCheckUtils]: 58: Hoare triple {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:06:43,303 INFO L290 TraceCheckUtils]: 59: Hoare triple {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:06:43,304 INFO L290 TraceCheckUtils]: 60: Hoare triple {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:06:43,304 INFO L290 TraceCheckUtils]: 61: Hoare triple {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:06:43,305 INFO L290 TraceCheckUtils]: 62: Hoare triple {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:06:43,305 INFO L290 TraceCheckUtils]: 63: Hoare triple {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:06:43,306 INFO L290 TraceCheckUtils]: 64: Hoare triple {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:06:43,306 INFO L290 TraceCheckUtils]: 65: Hoare triple {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:06:43,307 INFO L290 TraceCheckUtils]: 66: Hoare triple {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:06:43,307 INFO L290 TraceCheckUtils]: 67: Hoare triple {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:06:43,308 INFO L290 TraceCheckUtils]: 68: Hoare triple {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 04:06:43,308 INFO L290 TraceCheckUtils]: 69: Hoare triple {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50892#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 04:06:43,309 INFO L290 TraceCheckUtils]: 70: Hoare triple {50892#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !(~z~0 % 4294967296 < 268435455); {50614#false} is VALID [2022-04-28 04:06:43,309 INFO L272 TraceCheckUtils]: 71: Hoare triple {50614#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {50614#false} is VALID [2022-04-28 04:06:43,309 INFO L290 TraceCheckUtils]: 72: Hoare triple {50614#false} ~cond := #in~cond; {50614#false} is VALID [2022-04-28 04:06:43,309 INFO L290 TraceCheckUtils]: 73: Hoare triple {50614#false} assume 0 == ~cond; {50614#false} is VALID [2022-04-28 04:06:43,309 INFO L290 TraceCheckUtils]: 74: Hoare triple {50614#false} assume !false; {50614#false} is VALID [2022-04-28 04:06:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:43,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 04:06:49,199 INFO L290 TraceCheckUtils]: 74: Hoare triple {50614#false} assume !false; {50614#false} is VALID [2022-04-28 04:06:49,199 INFO L290 TraceCheckUtils]: 73: Hoare triple {50614#false} assume 0 == ~cond; {50614#false} is VALID [2022-04-28 04:06:49,199 INFO L290 TraceCheckUtils]: 72: Hoare triple {50614#false} ~cond := #in~cond; {50614#false} is VALID [2022-04-28 04:06:49,199 INFO L272 TraceCheckUtils]: 71: Hoare triple {50614#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {50614#false} is VALID [2022-04-28 04:06:49,200 INFO L290 TraceCheckUtils]: 70: Hoare triple {50920#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {50614#false} is VALID [2022-04-28 04:06:49,200 INFO L290 TraceCheckUtils]: 69: Hoare triple {50924#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50920#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,201 INFO L290 TraceCheckUtils]: 68: Hoare triple {50928#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50924#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,202 INFO L290 TraceCheckUtils]: 67: Hoare triple {50932#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50928#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,202 INFO L290 TraceCheckUtils]: 66: Hoare triple {50936#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50932#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,203 INFO L290 TraceCheckUtils]: 65: Hoare triple {50940#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50936#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,204 INFO L290 TraceCheckUtils]: 64: Hoare triple {50944#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50940#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,204 INFO L290 TraceCheckUtils]: 63: Hoare triple {50948#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50944#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,205 INFO L290 TraceCheckUtils]: 62: Hoare triple {50952#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50948#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,205 INFO L290 TraceCheckUtils]: 61: Hoare triple {50956#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50952#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,206 INFO L290 TraceCheckUtils]: 60: Hoare triple {50960#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50956#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,207 INFO L290 TraceCheckUtils]: 59: Hoare triple {50964#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50960#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,207 INFO L290 TraceCheckUtils]: 58: Hoare triple {50968#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50964#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,208 INFO L290 TraceCheckUtils]: 57: Hoare triple {50972#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50968#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,208 INFO L290 TraceCheckUtils]: 56: Hoare triple {50976#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50972#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,209 INFO L290 TraceCheckUtils]: 55: Hoare triple {50980#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50976#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,210 INFO L290 TraceCheckUtils]: 54: Hoare triple {50984#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50980#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,210 INFO L290 TraceCheckUtils]: 53: Hoare triple {50988#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50984#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,211 INFO L290 TraceCheckUtils]: 52: Hoare triple {50992#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50988#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,212 INFO L290 TraceCheckUtils]: 51: Hoare triple {50996#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50992#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,212 INFO L290 TraceCheckUtils]: 50: Hoare triple {51000#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50996#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,213 INFO L290 TraceCheckUtils]: 49: Hoare triple {51004#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51000#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,214 INFO L290 TraceCheckUtils]: 48: Hoare triple {51008#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51004#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,214 INFO L290 TraceCheckUtils]: 47: Hoare triple {51012#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51008#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,217 INFO L290 TraceCheckUtils]: 46: Hoare triple {51016#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51012#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,218 INFO L290 TraceCheckUtils]: 45: Hoare triple {51020#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51016#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,219 INFO L290 TraceCheckUtils]: 44: Hoare triple {51024#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51020#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,219 INFO L290 TraceCheckUtils]: 43: Hoare triple {51028#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51024#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,220 INFO L290 TraceCheckUtils]: 42: Hoare triple {51032#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51028#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,221 INFO L290 TraceCheckUtils]: 41: Hoare triple {51036#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51032#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,221 INFO L290 TraceCheckUtils]: 40: Hoare triple {51040#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51036#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,222 INFO L290 TraceCheckUtils]: 39: Hoare triple {51044#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51040#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,223 INFO L290 TraceCheckUtils]: 38: Hoare triple {51048#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51044#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,223 INFO L290 TraceCheckUtils]: 37: Hoare triple {51052#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51048#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,224 INFO L290 TraceCheckUtils]: 36: Hoare triple {51056#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51052#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,224 INFO L290 TraceCheckUtils]: 35: Hoare triple {51060#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51056#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,225 INFO L290 TraceCheckUtils]: 34: Hoare triple {51064#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51060#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,226 INFO L290 TraceCheckUtils]: 33: Hoare triple {51068#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51064#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,226 INFO L290 TraceCheckUtils]: 32: Hoare triple {51072#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51068#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,227 INFO L290 TraceCheckUtils]: 31: Hoare triple {51076#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51072#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,228 INFO L290 TraceCheckUtils]: 30: Hoare triple {51080#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51076#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,228 INFO L290 TraceCheckUtils]: 29: Hoare triple {51084#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51080#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,229 INFO L290 TraceCheckUtils]: 28: Hoare triple {51088#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51084#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,230 INFO L290 TraceCheckUtils]: 27: Hoare triple {51092#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51088#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,230 INFO L290 TraceCheckUtils]: 26: Hoare triple {51096#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51092#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,231 INFO L290 TraceCheckUtils]: 25: Hoare triple {51100#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51096#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,232 INFO L290 TraceCheckUtils]: 24: Hoare triple {51104#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51100#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,232 INFO L290 TraceCheckUtils]: 23: Hoare triple {51108#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51104#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,233 INFO L290 TraceCheckUtils]: 22: Hoare triple {51112#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51108#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,234 INFO L290 TraceCheckUtils]: 21: Hoare triple {51116#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51112#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,234 INFO L290 TraceCheckUtils]: 20: Hoare triple {51120#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51116#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,235 INFO L290 TraceCheckUtils]: 19: Hoare triple {51124#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51120#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,236 INFO L290 TraceCheckUtils]: 18: Hoare triple {51128#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51124#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,236 INFO L290 TraceCheckUtils]: 17: Hoare triple {51132#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51128#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,237 INFO L290 TraceCheckUtils]: 16: Hoare triple {51136#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51132#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,237 INFO L290 TraceCheckUtils]: 15: Hoare triple {51140#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51136#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,238 INFO L290 TraceCheckUtils]: 14: Hoare triple {51144#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51140#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,239 INFO L290 TraceCheckUtils]: 13: Hoare triple {51148#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51144#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,239 INFO L290 TraceCheckUtils]: 12: Hoare triple {51152#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51148#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,240 INFO L290 TraceCheckUtils]: 11: Hoare triple {51156#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51152#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,241 INFO L290 TraceCheckUtils]: 10: Hoare triple {51160#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51156#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,241 INFO L290 TraceCheckUtils]: 9: Hoare triple {51164#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51160#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,242 INFO L290 TraceCheckUtils]: 8: Hoare triple {51168#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51164#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,242 INFO L290 TraceCheckUtils]: 7: Hoare triple {50613#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {51168#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} is VALID [2022-04-28 04:06:49,243 INFO L290 TraceCheckUtils]: 6: Hoare triple {50613#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {50613#true} is VALID [2022-04-28 04:06:49,243 INFO L290 TraceCheckUtils]: 5: Hoare triple {50613#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {50613#true} is VALID [2022-04-28 04:06:49,243 INFO L272 TraceCheckUtils]: 4: Hoare triple {50613#true} call #t~ret7 := main(); {50613#true} is VALID [2022-04-28 04:06:49,243 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 04:06:49,243 INFO L290 TraceCheckUtils]: 2: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 04:06:49,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {50613#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 04:06:49,243 INFO L272 TraceCheckUtils]: 0: Hoare triple {50613#true} call ULTIMATE.init(); {50613#true} is VALID [2022-04-28 04:06:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:06:49,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375465543] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 04:06:49,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 04:06:49,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 65, 65] total 130 [2022-04-28 04:06:49,244 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 04:06:49,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1684080413] [2022-04-28 04:06:49,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1684080413] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 04:06:49,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 04:06:49,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2022-04-28 04:06:49,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547425223] [2022-04-28 04:06:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 04:06:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-04-28 04:06:49,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 04:06:49,245 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:49,282 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:49,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-04-28 04:06:49,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 04:06:49,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-04-28 04:06:49,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4352, Invalid=12418, Unknown=0, NotChecked=0, Total=16770 [2022-04-28 04:06:49,284 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:57,075 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2022-04-28 04:06:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-04-28 04:06:57,075 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-04-28 04:06:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 04:06:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 108 transitions. [2022-04-28 04:06:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 108 transitions. [2022-04-28 04:06:57,077 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 66 states and 108 transitions. [2022-04-28 04:06:57,141 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:57,142 INFO L225 Difference]: With dead ends: 163 [2022-04-28 04:06:57,142 INFO L226 Difference]: Without dead ends: 86 [2022-04-28 04:06:57,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2083 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=8697, Invalid=28359, Unknown=0, NotChecked=0, Total=37056 [2022-04-28 04:06:57,144 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 4318 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 4318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-04-28 04:06:57,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 118 Invalid, 4450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 4318 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-04-28 04:06:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-04-28 04:06:57,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2022-04-28 04:06:57,230 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 04:06:57,230 INFO L82 GeneralOperation]: Start isEquivalent. First operand 86 states. Second operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:57,230 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:57,230 INFO L87 Difference]: Start difference. First operand 86 states. Second operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:57,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:57,231 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2022-04-28 04:06:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2022-04-28 04:06:57,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:06:57,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:06:57,231 INFO L74 IsIncluded]: Start isIncluded. First operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 86 states. [2022-04-28 04:06:57,231 INFO L87 Difference]: Start difference. First operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 86 states. [2022-04-28 04:06:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 04:06:57,232 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2022-04-28 04:06:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2022-04-28 04:06:57,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 04:06:57,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 04:06:57,232 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 04:06:57,232 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 04:06:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 04:06:57,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2022-04-28 04:06:57,233 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 75 [2022-04-28 04:06:57,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 04:06:57,233 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2022-04-28 04:06:57,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 04:06:57,234 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 85 states and 89 transitions. [2022-04-28 04:06:57,316 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 04:06:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2022-04-28 04:06:57,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-04-28 04:06:57,316 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 04:06:57,316 INFO L195 NwaCegarLoop]: trace histogram [63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 04:06:57,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2022-04-28 04:06:57,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable126,SelfDestructingSolverStorable127 [2022-04-28 04:06:57,518 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 04:06:57,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 04:06:57,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1656430238, now seen corresponding path program 125 times [2022-04-28 04:06:57,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 04:06:57,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1516971608] [2022-04-28 04:06:59,022 WARN L977 rdanLoopAcceleration]: Unable to prove correctness of quantifier elimination. [2022-04-28 04:06:59,129 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-28 04:06:59,130 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-28 04:06:59,132 INFO L85 PathProgramCache]: Analyzing trace with hash -908945085, now seen corresponding path program 1 times [2022-04-28 04:06:59,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:06:59,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854635067] [2022-04-28 04:06:59,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:06:59,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:06:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:06:59,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 04:06:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 04:06:59,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 04:06:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1656430238, now seen corresponding path program 126 times [2022-04-28 04:06:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 04:06:59,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901433200] [2022-04-28 04:06:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 04:06:59,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 04:06:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:07:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 04:07:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:07:01,004 INFO L290 TraceCheckUtils]: 0: Hoare triple {52059#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 04:07:01,004 INFO L290 TraceCheckUtils]: 1: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 04:07:01,004 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L272 TraceCheckUtils]: 0: Hoare triple {51990#true} call ULTIMATE.init(); {52059#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 04:07:01,005 INFO L290 TraceCheckUtils]: 1: Hoare triple {52059#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L290 TraceCheckUtils]: 2: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L272 TraceCheckUtils]: 4: Hoare triple {51990#true} call #t~ret7 := main(); {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L290 TraceCheckUtils]: 5: Hoare triple {51990#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L290 TraceCheckUtils]: 6: Hoare triple {51990#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {51990#true} is VALID [2022-04-28 04:07:01,005 INFO L290 TraceCheckUtils]: 7: Hoare triple {51990#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {51995#(= main_~z~0 0)} is VALID [2022-04-28 04:07:01,006 INFO L290 TraceCheckUtils]: 8: Hoare triple {51995#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:07:01,006 INFO L290 TraceCheckUtils]: 9: Hoare triple {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:07:01,007 INFO L290 TraceCheckUtils]: 10: Hoare triple {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:07:01,007 INFO L290 TraceCheckUtils]: 11: Hoare triple {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:07:01,008 INFO L290 TraceCheckUtils]: 12: Hoare triple {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:07:01,008 INFO L290 TraceCheckUtils]: 13: Hoare triple {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:07:01,009 INFO L290 TraceCheckUtils]: 14: Hoare triple {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:07:01,009 INFO L290 TraceCheckUtils]: 15: Hoare triple {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:07:01,010 INFO L290 TraceCheckUtils]: 16: Hoare triple {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:07:01,010 INFO L290 TraceCheckUtils]: 17: Hoare triple {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:07:01,011 INFO L290 TraceCheckUtils]: 18: Hoare triple {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:07:01,011 INFO L290 TraceCheckUtils]: 19: Hoare triple {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:07:01,012 INFO L290 TraceCheckUtils]: 20: Hoare triple {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:07:01,012 INFO L290 TraceCheckUtils]: 21: Hoare triple {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:07:01,012 INFO L290 TraceCheckUtils]: 22: Hoare triple {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:07:01,013 INFO L290 TraceCheckUtils]: 23: Hoare triple {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:07:01,013 INFO L290 TraceCheckUtils]: 24: Hoare triple {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:07:01,014 INFO L290 TraceCheckUtils]: 25: Hoare triple {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:07:01,014 INFO L290 TraceCheckUtils]: 26: Hoare triple {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:07:01,015 INFO L290 TraceCheckUtils]: 27: Hoare triple {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:07:01,015 INFO L290 TraceCheckUtils]: 28: Hoare triple {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:07:01,016 INFO L290 TraceCheckUtils]: 29: Hoare triple {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:07:01,016 INFO L290 TraceCheckUtils]: 30: Hoare triple {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:07:01,017 INFO L290 TraceCheckUtils]: 31: Hoare triple {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:07:01,017 INFO L290 TraceCheckUtils]: 32: Hoare triple {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:07:01,018 INFO L290 TraceCheckUtils]: 33: Hoare triple {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:07:01,018 INFO L290 TraceCheckUtils]: 34: Hoare triple {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:07:01,018 INFO L290 TraceCheckUtils]: 35: Hoare triple {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:07:01,019 INFO L290 TraceCheckUtils]: 36: Hoare triple {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:07:01,019 INFO L290 TraceCheckUtils]: 37: Hoare triple {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:07:01,020 INFO L290 TraceCheckUtils]: 38: Hoare triple {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:07:01,020 INFO L290 TraceCheckUtils]: 39: Hoare triple {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:07:01,021 INFO L290 TraceCheckUtils]: 40: Hoare triple {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:07:01,021 INFO L290 TraceCheckUtils]: 41: Hoare triple {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:07:01,022 INFO L290 TraceCheckUtils]: 42: Hoare triple {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:07:01,022 INFO L290 TraceCheckUtils]: 43: Hoare triple {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:07:01,023 INFO L290 TraceCheckUtils]: 44: Hoare triple {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:07:01,023 INFO L290 TraceCheckUtils]: 45: Hoare triple {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:07:01,024 INFO L290 TraceCheckUtils]: 46: Hoare triple {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:07:01,024 INFO L290 TraceCheckUtils]: 47: Hoare triple {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:07:01,025 INFO L290 TraceCheckUtils]: 48: Hoare triple {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:07:01,025 INFO L290 TraceCheckUtils]: 49: Hoare triple {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:07:01,025 INFO L290 TraceCheckUtils]: 50: Hoare triple {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:07:01,026 INFO L290 TraceCheckUtils]: 51: Hoare triple {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:07:01,026 INFO L290 TraceCheckUtils]: 52: Hoare triple {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:07:01,027 INFO L290 TraceCheckUtils]: 53: Hoare triple {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:07:01,027 INFO L290 TraceCheckUtils]: 54: Hoare triple {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:07:01,028 INFO L290 TraceCheckUtils]: 55: Hoare triple {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:07:01,028 INFO L290 TraceCheckUtils]: 56: Hoare triple {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:07:01,029 INFO L290 TraceCheckUtils]: 57: Hoare triple {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:07:01,029 INFO L290 TraceCheckUtils]: 58: Hoare triple {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:07:01,030 INFO L290 TraceCheckUtils]: 59: Hoare triple {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:07:01,030 INFO L290 TraceCheckUtils]: 60: Hoare triple {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:07:01,031 INFO L290 TraceCheckUtils]: 61: Hoare triple {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:07:01,031 INFO L290 TraceCheckUtils]: 62: Hoare triple {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:07:01,032 INFO L290 TraceCheckUtils]: 63: Hoare triple {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:07:01,032 INFO L290 TraceCheckUtils]: 64: Hoare triple {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:07:01,032 INFO L290 TraceCheckUtils]: 65: Hoare triple {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:07:01,033 INFO L290 TraceCheckUtils]: 66: Hoare triple {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:07:01,033 INFO L290 TraceCheckUtils]: 67: Hoare triple {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:07:01,034 INFO L290 TraceCheckUtils]: 68: Hoare triple {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 04:07:01,034 INFO L290 TraceCheckUtils]: 69: Hoare triple {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 04:07:01,035 INFO L290 TraceCheckUtils]: 70: Hoare triple {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52058#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 63))} is VALID [2022-04-28 04:07:01,035 INFO L290 TraceCheckUtils]: 71: Hoare triple {52058#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 63))} assume !(~z~0 % 4294967296 < 268435455); {51991#false} is VALID [2022-04-28 04:07:01,035 INFO L272 TraceCheckUtils]: 72: Hoare triple {51991#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {51991#false} is VALID [2022-04-28 04:07:01,035 INFO L290 TraceCheckUtils]: 73: Hoare triple {51991#false} ~cond := #in~cond; {51991#false} is VALID [2022-04-28 04:07:01,036 INFO L290 TraceCheckUtils]: 74: Hoare triple {51991#false} assume 0 == ~cond; {51991#false} is VALID [2022-04-28 04:07:01,036 INFO L290 TraceCheckUtils]: 75: Hoare triple {51991#false} assume !false; {51991#false} is VALID [2022-04-28 04:07:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:07:01,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 04:07:01,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901433200] [2022-04-28 04:07:01,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901433200] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 04:07:01,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402783304] [2022-04-28 04:07:01,036 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 04:07:01,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 04:07:01,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 04:07:01,038 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 04:07:01,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2022-04-28 04:07:39,769 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 33 check-sat command(s) [2022-04-28 04:07:39,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 04:07:39,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 133 conjunts are in the unsatisfiable core [2022-04-28 04:07:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 04:07:39,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 04:07:40,414 INFO L272 TraceCheckUtils]: 0: Hoare triple {51990#true} call ULTIMATE.init(); {51990#true} is VALID [2022-04-28 04:07:40,414 INFO L290 TraceCheckUtils]: 1: Hoare triple {51990#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 04:07:40,414 INFO L290 TraceCheckUtils]: 2: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 04:07:40,414 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 04:07:40,414 INFO L272 TraceCheckUtils]: 4: Hoare triple {51990#true} call #t~ret7 := main(); {51990#true} is VALID [2022-04-28 04:07:40,415 INFO L290 TraceCheckUtils]: 5: Hoare triple {51990#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {51990#true} is VALID [2022-04-28 04:07:40,415 INFO L290 TraceCheckUtils]: 6: Hoare triple {51990#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {51990#true} is VALID [2022-04-28 04:07:40,415 INFO L290 TraceCheckUtils]: 7: Hoare triple {51990#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {51995#(= main_~z~0 0)} is VALID [2022-04-28 04:07:40,415 INFO L290 TraceCheckUtils]: 8: Hoare triple {51995#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 04:07:40,416 INFO L290 TraceCheckUtils]: 9: Hoare triple {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 04:07:40,416 INFO L290 TraceCheckUtils]: 10: Hoare triple {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 04:07:40,417 INFO L290 TraceCheckUtils]: 11: Hoare triple {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 04:07:40,417 INFO L290 TraceCheckUtils]: 12: Hoare triple {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 04:07:40,418 INFO L290 TraceCheckUtils]: 13: Hoare triple {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 04:07:40,418 INFO L290 TraceCheckUtils]: 14: Hoare triple {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 04:07:40,419 INFO L290 TraceCheckUtils]: 15: Hoare triple {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 04:07:40,419 INFO L290 TraceCheckUtils]: 16: Hoare triple {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 04:07:40,420 INFO L290 TraceCheckUtils]: 17: Hoare triple {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 04:07:40,420 INFO L290 TraceCheckUtils]: 18: Hoare triple {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 04:07:40,421 INFO L290 TraceCheckUtils]: 19: Hoare triple {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 04:07:40,421 INFO L290 TraceCheckUtils]: 20: Hoare triple {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 04:07:40,422 INFO L290 TraceCheckUtils]: 21: Hoare triple {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 04:07:40,422 INFO L290 TraceCheckUtils]: 22: Hoare triple {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 04:07:40,422 INFO L290 TraceCheckUtils]: 23: Hoare triple {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 04:07:40,423 INFO L290 TraceCheckUtils]: 24: Hoare triple {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 04:07:40,423 INFO L290 TraceCheckUtils]: 25: Hoare triple {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 04:07:40,424 INFO L290 TraceCheckUtils]: 26: Hoare triple {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 04:07:40,424 INFO L290 TraceCheckUtils]: 27: Hoare triple {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 04:07:40,425 INFO L290 TraceCheckUtils]: 28: Hoare triple {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 04:07:40,425 INFO L290 TraceCheckUtils]: 29: Hoare triple {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 04:07:40,426 INFO L290 TraceCheckUtils]: 30: Hoare triple {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 04:07:40,426 INFO L290 TraceCheckUtils]: 31: Hoare triple {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 04:07:40,427 INFO L290 TraceCheckUtils]: 32: Hoare triple {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 04:07:40,427 INFO L290 TraceCheckUtils]: 33: Hoare triple {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 04:07:40,428 INFO L290 TraceCheckUtils]: 34: Hoare triple {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 04:07:40,428 INFO L290 TraceCheckUtils]: 35: Hoare triple {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 04:07:40,429 INFO L290 TraceCheckUtils]: 36: Hoare triple {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 04:07:40,429 INFO L290 TraceCheckUtils]: 37: Hoare triple {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 04:07:40,430 INFO L290 TraceCheckUtils]: 38: Hoare triple {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 04:07:40,430 INFO L290 TraceCheckUtils]: 39: Hoare triple {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 04:07:40,431 INFO L290 TraceCheckUtils]: 40: Hoare triple {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 04:07:40,431 INFO L290 TraceCheckUtils]: 41: Hoare triple {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 04:07:40,432 INFO L290 TraceCheckUtils]: 42: Hoare triple {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 04:07:40,432 INFO L290 TraceCheckUtils]: 43: Hoare triple {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 04:07:40,432 INFO L290 TraceCheckUtils]: 44: Hoare triple {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 04:07:40,433 INFO L290 TraceCheckUtils]: 45: Hoare triple {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 04:07:40,433 INFO L290 TraceCheckUtils]: 46: Hoare triple {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 04:07:40,434 INFO L290 TraceCheckUtils]: 47: Hoare triple {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 04:07:40,434 INFO L290 TraceCheckUtils]: 48: Hoare triple {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 04:07:40,435 INFO L290 TraceCheckUtils]: 49: Hoare triple {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 04:07:40,435 INFO L290 TraceCheckUtils]: 50: Hoare triple {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 04:07:40,436 INFO L290 TraceCheckUtils]: 51: Hoare triple {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 04:07:40,436 INFO L290 TraceCheckUtils]: 52: Hoare triple {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 04:07:40,437 INFO L290 TraceCheckUtils]: 53: Hoare triple {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 04:07:40,437 INFO L290 TraceCheckUtils]: 54: Hoare triple {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 04:07:40,438 INFO L290 TraceCheckUtils]: 55: Hoare triple {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 04:07:40,438 INFO L290 TraceCheckUtils]: 56: Hoare triple {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 04:07:40,439 INFO L290 TraceCheckUtils]: 57: Hoare triple {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 04:07:40,439 INFO L290 TraceCheckUtils]: 58: Hoare triple {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 04:07:40,440 INFO L290 TraceCheckUtils]: 59: Hoare triple {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 04:07:40,440 INFO L290 TraceCheckUtils]: 60: Hoare triple {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 04:07:40,441 INFO L290 TraceCheckUtils]: 61: Hoare triple {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 04:07:40,441 INFO L290 TraceCheckUtils]: 62: Hoare triple {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 04:07:40,442 INFO L290 TraceCheckUtils]: 63: Hoare triple {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 04:07:40,442 INFO L290 TraceCheckUtils]: 64: Hoare triple {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 04:07:40,442 INFO L290 TraceCheckUtils]: 65: Hoare triple {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 04:07:40,443 INFO L290 TraceCheckUtils]: 66: Hoare triple {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 04:07:40,443 INFO L290 TraceCheckUtils]: 67: Hoare triple {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 04:07:40,444 INFO L290 TraceCheckUtils]: 68: Hoare triple {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 04:07:40,444 INFO L290 TraceCheckUtils]: 69: Hoare triple {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 04:07:40,445 INFO L290 TraceCheckUtils]: 70: Hoare triple {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52273#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 04:07:40,445 INFO L290 TraceCheckUtils]: 71: Hoare triple {52273#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !(~z~0 % 4294967296 < 268435455); {51991#false} is VALID [2022-04-28 04:07:40,445 INFO L272 TraceCheckUtils]: 72: Hoare triple {51991#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {51991#false} is VALID [2022-04-28 04:07:40,445 INFO L290 TraceCheckUtils]: 73: Hoare triple {51991#false} ~cond := #in~cond; {51991#false} is VALID [2022-04-28 04:07:40,446 INFO L290 TraceCheckUtils]: 74: Hoare triple {51991#false} assume 0 == ~cond; {51991#false} is VALID [2022-04-28 04:07:40,446 INFO L290 TraceCheckUtils]: 75: Hoare triple {51991#false} assume !false; {51991#false} is VALID [2022-04-28 04:07:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 04:07:40,446 INFO L328 TraceCheckSpWp]: Computing backward predicates...