/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/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 03:24:25,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 03:24:25,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 03:24:25,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-28 03:24:25,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 03:24:25,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 03:24:25,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 03:24:25,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 03:24:25,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 03:24:25,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 03:24:25,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 03:24:25,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 03:24:25,111 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 03:24:25,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 03:24:25,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 03:24:25,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 03:24:25,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 03:24:25,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-28 03:24:25,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 03:24:25,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 03:24:25,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 03:24:25,126 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 03:24:25,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 03:24:25,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 03:24:25,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 03:24:25,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-28 03:24:25,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 03:24:25,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-28 03:24:25,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 03:24:25,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 03:24:25,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 03:24:25,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 03:24:25,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 03:24:25,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 03:24:25,138 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 03:24:25,138 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 03:24:25,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 03:24:25,138 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-28 03:24:25,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 03:24:25,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 03:24:25,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 03:24:25,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 03:24:25,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 03:24:25,312 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 03:24:25,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2022-04-28 03:24:25,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda6167a/20962aa403d640c089e0c400d65c33b8/FLAG8c561864d [2022-04-28 03:24:25,717 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 03:24:25,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2022-04-28 03:24:25,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda6167a/20962aa403d640c089e0c400d65c33b8/FLAG8c561864d [2022-04-28 03:24:25,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda6167a/20962aa403d640c089e0c400d65c33b8 [2022-04-28 03:24:25,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 03:24:25,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 03:24:25,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 03:24:25,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 03:24:25,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 03:24:25,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b37096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25, skipping insertion in model container [2022-04-28 03:24:25,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 03:24:25,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 03:24:25,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2265,2278] [2022-04-28 03:24:25,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 03:24:25,886 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 03:24:25,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2265,2278] [2022-04-28 03:24:25,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 03:24:25,913 INFO L208 MainTranslator]: Completed translation [2022-04-28 03:24:25,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25 WrapperNode [2022-04-28 03:24:25,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 03:24:25,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 03:24:25,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 03:24:25,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 03:24:25,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 03:24:25,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 03:24:25,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 03:24:25,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 03:24:25,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (1/1) ... [2022-04-28 03:24:25,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 03:24:25,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 03:24:25,965 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 03:24:25,974 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 03:24:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 03:24:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 03:24:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 03:24:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 03:24:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 03:24:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 03:24:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 03:24:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 03:24:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-28 03:24:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 03:24:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 03:24:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 03:24:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 03:24:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 03:24:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 03:24:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 03:24:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 03:24:26,057 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 03:24:26,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 03:24:34,896 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 03:24:34,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 03:24:34,901 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-28 03:24:34,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:24:34 BoogieIcfgContainer [2022-04-28 03:24:34,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 03:24:34,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 03:24:34,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 03:24:34,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 03:24:34,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 03:24:25" (1/3) ... [2022-04-28 03:24:34,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6366439c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:24:34, skipping insertion in model container [2022-04-28 03:24:34,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:24:25" (2/3) ... [2022-04-28 03:24:34,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6366439c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:24:34, skipping insertion in model container [2022-04-28 03:24:34,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:24:34" (3/3) ... [2022-04-28 03:24:34,907 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2022-04-28 03:24:34,916 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 03:24:34,916 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 03:24:34,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 03:24:34,947 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@4303fc38, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3615f1ea [2022-04-28 03:24:34,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 03:24:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 03:24:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-28 03:24:34,963 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:24:34,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:24:34,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:24:34,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:24:34,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1261463571, now seen corresponding path program 1 times [2022-04-28 03:24:34,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:24:34,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [759629089] [2022-04-28 03:24:34,979 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:24:34,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1261463571, now seen corresponding path program 2 times [2022-04-28 03:24:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:24:34,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139970239] [2022-04-28 03:24:34,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:24:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:24:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:24:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:24:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:24:35,507 INFO L290 TraceCheckUtils]: 0: Hoare triple {39#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {31#true} is VALID [2022-04-28 03:24:35,508 INFO L290 TraceCheckUtils]: 1: Hoare triple {31#true} assume true; {31#true} is VALID [2022-04-28 03:24:35,508 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {31#true} {31#true} #72#return; {31#true} is VALID [2022-04-28 03:24:35,510 INFO L272 TraceCheckUtils]: 0: Hoare triple {31#true} call ULTIMATE.init(); {39#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:24:35,510 INFO L290 TraceCheckUtils]: 1: Hoare triple {39#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {31#true} is VALID [2022-04-28 03:24:35,510 INFO L290 TraceCheckUtils]: 2: Hoare triple {31#true} assume true; {31#true} is VALID [2022-04-28 03:24:35,510 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31#true} {31#true} #72#return; {31#true} is VALID [2022-04-28 03:24:35,511 INFO L272 TraceCheckUtils]: 4: Hoare triple {31#true} call #t~ret9 := main(); {31#true} is VALID [2022-04-28 03:24:35,512 INFO L290 TraceCheckUtils]: 5: Hoare triple {31#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main__x~0 := #t~nondet4;havoc #t~nondet4;~main__y~0 := 1; {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} is VALID [2022-04-28 03:24:35,512 INFO L290 TraceCheckUtils]: 6: Hoare triple {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet5;havoc #t~nondet5; {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} is VALID [2022-04-28 03:24:35,513 INFO L290 TraceCheckUtils]: 7: Hoare triple {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} assume !(0 == ~main____CPAchecker_TMP_0~0); {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} is VALID [2022-04-28 03:24:37,640 WARN L290 TraceCheckUtils]: 8: Hoare triple {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} assume 1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296;~main__x~0 := 2 + ~main__x~0;~main__y~0 := 0;~__tmp_112_0~0 := ~main____CPAchecker_TMP_0~0; {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-28 03:24:37,653 INFO L290 TraceCheckUtils]: 9: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~0 := ~__tmp_112_0~0;~__tmp_94_0~0 := ~main____CPAchecker_TMP_0~0; {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:24:37,654 INFO L290 TraceCheckUtils]: 10: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~0 := ~__tmp_94_0~0;havoc ~main____CPAchecker_TMP_0~1;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_0~1 := #t~nondet6;havoc #t~nondet6; {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:24:37,656 INFO L290 TraceCheckUtils]: 11: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume !!(0 == ~main____CPAchecker_TMP_0~1); {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:24:37,662 INFO L290 TraceCheckUtils]: 12: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-28 03:24:37,663 INFO L290 TraceCheckUtils]: 13: Hoare triple {38#(not (= main_~__VERIFIER_assert__cond~0 0))} assume 0 == ~__VERIFIER_assert__cond~0; {32#false} is VALID [2022-04-28 03:24:37,663 INFO L290 TraceCheckUtils]: 14: Hoare triple {32#false} assume !false; {32#false} is VALID [2022-04-28 03:24:37,664 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 03:24:37,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:24:37,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139970239] [2022-04-28 03:24:37,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139970239] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:24:37,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:24:37,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 03:24:37,667 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:24:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [759629089] [2022-04-28 03:24:37,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [759629089] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:24:37,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:24:37,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 03:24:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943573842] [2022-04-28 03:24:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:24:37,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:24:37,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:24:37,674 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:24:39,860 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 14 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:24:39,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 03:24:39,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:24:39,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 03:24:39,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-28 03:24:39,876 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:24:42,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:24:46,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:24:48,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:24:55,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:24:59,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:06,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:08,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:17,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:19,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:23,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:25,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:27,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:30,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:30,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:25:30,454 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2022-04-28 03:25:30,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-28 03:25:30,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:25:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:25:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2022-04-28 03:25:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2022-04-28 03:25:30,466 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2022-04-28 03:25:32,717 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 98 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:25:32,724 INFO L225 Difference]: With dead ends: 71 [2022-04-28 03:25:32,724 INFO L226 Difference]: Without dead ends: 35 [2022-04-28 03:25:32,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-28 03:25:32,728 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-04-28 03:25:32,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 95 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 12 Unknown, 0 Unchecked, 27.7s Time] [2022-04-28 03:25:32,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-28 03:25:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-04-28 03:25:32,756 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:25:32,757 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:32,757 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:32,757 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:25:32,760 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-04-28 03:25:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-04-28 03:25:32,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:25:32,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:25:32,760 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 35 states. [2022-04-28 03:25:32,761 INFO L87 Difference]: Start difference. First operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 35 states. [2022-04-28 03:25:32,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:25:32,763 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-04-28 03:25:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-04-28 03:25:32,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:25:32,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:25:32,763 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:25:32,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:25:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-04-28 03:25:32,766 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2022-04-28 03:25:32,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:25:32,766 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-04-28 03:25:32,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:32,766 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 39 transitions. [2022-04-28 03:25:34,948 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 38 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:25:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-04-28 03:25:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-04-28 03:25:34,949 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:25:34,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:25:34,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 03:25:34,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:25:34,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:25:34,950 INFO L85 PathProgramCache]: Analyzing trace with hash 489359351, now seen corresponding path program 1 times [2022-04-28 03:25:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:25:34,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1883233939] [2022-04-28 03:25:34,951 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:25:34,951 INFO L85 PathProgramCache]: Analyzing trace with hash 489359351, now seen corresponding path program 2 times [2022-04-28 03:25:34,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:25:34,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705436887] [2022-04-28 03:25:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:25:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:25:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:25:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:25:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:25:35,269 INFO L290 TraceCheckUtils]: 0: Hoare triple {330#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {322#true} is VALID [2022-04-28 03:25:35,269 INFO L290 TraceCheckUtils]: 1: Hoare triple {322#true} assume true; {322#true} is VALID [2022-04-28 03:25:35,270 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {322#true} {322#true} #72#return; {322#true} is VALID [2022-04-28 03:25:35,271 INFO L272 TraceCheckUtils]: 0: Hoare triple {322#true} call ULTIMATE.init(); {330#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:25:35,271 INFO L290 TraceCheckUtils]: 1: Hoare triple {330#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {322#true} is VALID [2022-04-28 03:25:35,271 INFO L290 TraceCheckUtils]: 2: Hoare triple {322#true} assume true; {322#true} is VALID [2022-04-28 03:25:35,271 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {322#true} {322#true} #72#return; {322#true} is VALID [2022-04-28 03:25:35,271 INFO L272 TraceCheckUtils]: 4: Hoare triple {322#true} call #t~ret9 := main(); {322#true} is VALID [2022-04-28 03:25:35,272 INFO L290 TraceCheckUtils]: 5: Hoare triple {322#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main__x~0 := #t~nondet4;havoc #t~nondet4;~main__y~0 := 1; {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-28 03:25:35,274 INFO L290 TraceCheckUtils]: 6: Hoare triple {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet5;havoc #t~nondet5; {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-28 03:25:35,275 INFO L290 TraceCheckUtils]: 7: Hoare triple {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} assume !(0 == ~main____CPAchecker_TMP_0~0); {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-28 03:25:35,275 INFO L290 TraceCheckUtils]: 8: Hoare triple {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} assume !(1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296); {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-28 03:25:37,456 WARN L290 TraceCheckUtils]: 9: Hoare triple {327#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} assume 2 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296;~main__x~0 := 1 + ~main__x~0;~main__y~0 := 0;~__tmp_93_0~0 := ~main____CPAchecker_TMP_0~0; {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-28 03:25:37,457 INFO L290 TraceCheckUtils]: 10: Hoare triple {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~1 := ~__tmp_93_0~0;~__tmp_94_0~0 := ~main____CPAchecker_TMP_0~1; {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:25:37,457 INFO L290 TraceCheckUtils]: 11: Hoare triple {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~0 := ~__tmp_94_0~0;havoc ~main____CPAchecker_TMP_0~1;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_0~1 := #t~nondet6;havoc #t~nondet6; {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:25:37,458 INFO L290 TraceCheckUtils]: 12: Hoare triple {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume !!(0 == ~main____CPAchecker_TMP_0~1); {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:25:37,464 INFO L290 TraceCheckUtils]: 13: Hoare triple {328#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {329#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-28 03:25:37,464 INFO L290 TraceCheckUtils]: 14: Hoare triple {329#(not (= main_~__VERIFIER_assert__cond~0 0))} assume 0 == ~__VERIFIER_assert__cond~0; {323#false} is VALID [2022-04-28 03:25:37,465 INFO L290 TraceCheckUtils]: 15: Hoare triple {323#false} assume !false; {323#false} is VALID [2022-04-28 03:25:37,465 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 03:25:37,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:25:37,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705436887] [2022-04-28 03:25:37,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705436887] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:25:37,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:25:37,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 03:25:37,466 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:25:37,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1883233939] [2022-04-28 03:25:37,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1883233939] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:25:37,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:25:37,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 03:25:37,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427802336] [2022-04-28 03:25:37,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:25:37,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:25:37,467 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:25:37,467 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:39,667 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 15 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:25:39,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 03:25:39,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:25:39,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 03:25:39,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-28 03:25:39,668 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:25:41,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:43,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:48,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:52,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:54,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:25:56,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:03,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:05,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:08,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:10,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:14,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:23,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:25,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:27,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:29,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:32,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:38,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:26:40,940 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2022-04-28 03:26:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-28 03:26:40,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:26:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:26:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 74 transitions. [2022-04-28 03:26:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 74 transitions. [2022-04-28 03:26:40,944 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 74 transitions. [2022-04-28 03:26:43,227 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 73 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:26:43,229 INFO L225 Difference]: With dead ends: 60 [2022-04-28 03:26:43,229 INFO L226 Difference]: Without dead ends: 40 [2022-04-28 03:26:43,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-28 03:26:43,230 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 10 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-04-28 03:26:43,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 80 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 17 Unknown, 0 Unchecked, 36.2s Time] [2022-04-28 03:26:43,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-28 03:26:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-04-28 03:26:43,256 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:26:43,256 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:43,257 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:43,258 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:43,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:26:43,262 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-04-28 03:26:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-04-28 03:26:43,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:26:43,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:26:43,265 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 40 states. [2022-04-28 03:26:43,265 INFO L87 Difference]: Start difference. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 40 states. [2022-04-28 03:26:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:26:43,270 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-04-28 03:26:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-04-28 03:26:43,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:26:43,271 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:26:43,271 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:26:43,271 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:26:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-04-28 03:26:43,276 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 16 [2022-04-28 03:26:43,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:26:43,276 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-04-28 03:26:43,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:43,277 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 42 transitions. [2022-04-28 03:26:47,599 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 40 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-04-28 03:26:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-04-28 03:26:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-28 03:26:47,599 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:26:47,600 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:26:47,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-28 03:26:47,600 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:26:47,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:26:47,601 INFO L85 PathProgramCache]: Analyzing trace with hash 7180197, now seen corresponding path program 1 times [2022-04-28 03:26:47,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:26:47,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2033243656] [2022-04-28 03:26:47,603 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:26:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 7180197, now seen corresponding path program 2 times [2022-04-28 03:26:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:26:47,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512662013] [2022-04-28 03:26:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:26:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:26:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:26:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:26:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:26:47,756 INFO L290 TraceCheckUtils]: 0: Hoare triple {612#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {605#true} is VALID [2022-04-28 03:26:47,756 INFO L290 TraceCheckUtils]: 1: Hoare triple {605#true} assume true; {605#true} is VALID [2022-04-28 03:26:47,756 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {605#true} {605#true} #72#return; {605#true} is VALID [2022-04-28 03:26:47,757 INFO L272 TraceCheckUtils]: 0: Hoare triple {605#true} call ULTIMATE.init(); {612#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:26:47,757 INFO L290 TraceCheckUtils]: 1: Hoare triple {612#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {605#true} is VALID [2022-04-28 03:26:47,757 INFO L290 TraceCheckUtils]: 2: Hoare triple {605#true} assume true; {605#true} is VALID [2022-04-28 03:26:47,758 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {605#true} {605#true} #72#return; {605#true} is VALID [2022-04-28 03:26:47,758 INFO L272 TraceCheckUtils]: 4: Hoare triple {605#true} call #t~ret9 := main(); {605#true} is VALID [2022-04-28 03:26:47,758 INFO L290 TraceCheckUtils]: 5: Hoare triple {605#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main__x~0 := #t~nondet4;havoc #t~nondet4;~main__y~0 := 1; {605#true} is VALID [2022-04-28 03:26:47,758 INFO L290 TraceCheckUtils]: 6: Hoare triple {605#true} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet5;havoc #t~nondet5; {605#true} is VALID [2022-04-28 03:26:47,758 INFO L290 TraceCheckUtils]: 7: Hoare triple {605#true} assume !(0 == ~main____CPAchecker_TMP_0~0); {605#true} is VALID [2022-04-28 03:26:47,758 INFO L290 TraceCheckUtils]: 8: Hoare triple {605#true} assume !(1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296); {605#true} is VALID [2022-04-28 03:26:47,758 INFO L290 TraceCheckUtils]: 9: Hoare triple {605#true} assume !(2 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296);havoc ~main____CPAchecker_TMP_1~1;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~main____CPAchecker_TMP_1~1 := #t~nondet8;havoc #t~nondet8; {605#true} is VALID [2022-04-28 03:26:47,759 INFO L290 TraceCheckUtils]: 10: Hoare triple {605#true} assume !(0 == ~main____CPAchecker_TMP_1~1);~main__x~0 := 4 + ~main__x~0;~main__y~0 := 1;~__tmp_88_0~0 := ~main____CPAchecker_TMP_0~0;~__tmp_88_1~0 := ~main____CPAchecker_TMP_1~1; {605#true} is VALID [2022-04-28 03:26:47,759 INFO L290 TraceCheckUtils]: 11: Hoare triple {605#true} ~main____CPAchecker_TMP_0~1 := ~__tmp_88_0~0;~main____CPAchecker_TMP_1~0 := ~__tmp_88_1~0; {605#true} is VALID [2022-04-28 03:26:47,759 INFO L290 TraceCheckUtils]: 12: Hoare triple {605#true} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet5;havoc #t~nondet5; {605#true} is VALID [2022-04-28 03:26:47,759 INFO L290 TraceCheckUtils]: 13: Hoare triple {605#true} assume !(0 == ~main____CPAchecker_TMP_0~0); {605#true} is VALID [2022-04-28 03:26:49,935 WARN L290 TraceCheckUtils]: 14: Hoare triple {605#true} assume 1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296;~main__x~0 := 2 + ~main__x~0;~main__y~0 := 0;~__tmp_112_0~0 := ~main____CPAchecker_TMP_0~0; {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-28 03:26:49,936 INFO L290 TraceCheckUtils]: 15: Hoare triple {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~0 := ~__tmp_112_0~0;~__tmp_94_0~0 := ~main____CPAchecker_TMP_0~0; {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:26:49,938 INFO L290 TraceCheckUtils]: 16: Hoare triple {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~0 := ~__tmp_94_0~0;havoc ~main____CPAchecker_TMP_0~1;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_0~1 := #t~nondet6;havoc #t~nondet6; {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:26:49,945 INFO L290 TraceCheckUtils]: 17: Hoare triple {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume !!(0 == ~main____CPAchecker_TMP_0~1); {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:26:49,952 INFO L290 TraceCheckUtils]: 18: Hoare triple {610#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {611#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-28 03:26:49,952 INFO L290 TraceCheckUtils]: 19: Hoare triple {611#(not (= main_~__VERIFIER_assert__cond~0 0))} assume 0 == ~__VERIFIER_assert__cond~0; {606#false} is VALID [2022-04-28 03:26:49,952 INFO L290 TraceCheckUtils]: 20: Hoare triple {606#false} assume !false; {606#false} is VALID [2022-04-28 03:26:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-28 03:26:49,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:26:49,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512662013] [2022-04-28 03:26:49,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512662013] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:26:49,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:26:49,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 03:26:49,953 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:26:49,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2033243656] [2022-04-28 03:26:49,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2033243656] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:26:49,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:26:49,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 03:26:49,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800524734] [2022-04-28 03:26:49,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:26:49,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:26:49,954 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:26:49,955 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:52,150 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 18 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:26:52,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 03:26:52,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:26:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 03:26:52,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 03:26:52,151 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:26:54,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:26:58,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:05,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:09,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:11,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:18,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:20,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:29,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:31,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:37,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:42,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:44,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:27:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:27:46,888 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2022-04-28 03:27:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 03:27:46,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:27:46,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:27:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:46,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2022-04-28 03:27:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2022-04-28 03:27:46,891 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 74 transitions. [2022-04-28 03:27:51,317 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 72 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-04-28 03:27:51,318 INFO L225 Difference]: With dead ends: 65 [2022-04-28 03:27:51,318 INFO L226 Difference]: Without dead ends: 45 [2022-04-28 03:27:51,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 03:27:51,319 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-04-28 03:27:51,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 57 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 12 Unknown, 0 Unchecked, 25.0s Time] [2022-04-28 03:27:51,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-28 03:27:51,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-04-28 03:27:51,343 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:27:51,343 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:51,343 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:51,343 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:27:51,345 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-04-28 03:27:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-04-28 03:27:51,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:27:51,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:27:51,345 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 45 states. [2022-04-28 03:27:51,345 INFO L87 Difference]: Start difference. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 45 states. [2022-04-28 03:27:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:27:51,346 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-04-28 03:27:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-04-28 03:27:51,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:27:51,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:27:51,347 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:27:51,347 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:27:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-04-28 03:27:51,348 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 21 [2022-04-28 03:27:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:27:51,348 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-04-28 03:27:51,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:27:51,351 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 42 transitions. [2022-04-28 03:27:57,854 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 39 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-04-28 03:27:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-04-28 03:27:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-28 03:27:57,855 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 03:27:57,855 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 03:27:57,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-28 03:27:57,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 03:27:57,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 03:27:57,856 INFO L85 PathProgramCache]: Analyzing trace with hash 261280421, now seen corresponding path program 1 times [2022-04-28 03:27:57,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 03:27:57,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1762572852] [2022-04-28 03:27:57,856 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 03:27:57,856 INFO L85 PathProgramCache]: Analyzing trace with hash 261280421, now seen corresponding path program 2 times [2022-04-28 03:27:57,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 03:27:57,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078402993] [2022-04-28 03:27:57,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 03:27:57,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 03:27:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:27:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 03:27:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 03:27:58,024 INFO L290 TraceCheckUtils]: 0: Hoare triple {912#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {905#true} is VALID [2022-04-28 03:27:58,024 INFO L290 TraceCheckUtils]: 1: Hoare triple {905#true} assume true; {905#true} is VALID [2022-04-28 03:27:58,025 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {905#true} {905#true} #72#return; {905#true} is VALID [2022-04-28 03:27:58,026 INFO L272 TraceCheckUtils]: 0: Hoare triple {905#true} call ULTIMATE.init(); {912#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 03:27:58,026 INFO L290 TraceCheckUtils]: 1: Hoare triple {912#(and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~__tmp_112_0~0 := 0;~__tmp_94_0~0 := 0;~__tmp_93_0~0 := 0;~__tmp_88_0~0 := 0;~__tmp_88_1~0 := 0;~__tmp_91_0~0 := 0;~__tmp_91_1~0 := 0;~__return_121~0 := 0; {905#true} is VALID [2022-04-28 03:27:58,026 INFO L290 TraceCheckUtils]: 2: Hoare triple {905#true} assume true; {905#true} is VALID [2022-04-28 03:27:58,026 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {905#true} {905#true} #72#return; {905#true} is VALID [2022-04-28 03:27:58,026 INFO L272 TraceCheckUtils]: 4: Hoare triple {905#true} call #t~ret9 := main(); {905#true} is VALID [2022-04-28 03:27:58,026 INFO L290 TraceCheckUtils]: 5: Hoare triple {905#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main__x~0 := #t~nondet4;havoc #t~nondet4;~main__y~0 := 1; {905#true} is VALID [2022-04-28 03:27:58,026 INFO L290 TraceCheckUtils]: 6: Hoare triple {905#true} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet5;havoc #t~nondet5; {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 7: Hoare triple {905#true} assume !(0 == ~main____CPAchecker_TMP_0~0); {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 8: Hoare triple {905#true} assume !(1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296); {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 9: Hoare triple {905#true} assume !(2 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296);havoc ~main____CPAchecker_TMP_1~1;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~main____CPAchecker_TMP_1~1 := #t~nondet8;havoc #t~nondet8; {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 10: Hoare triple {905#true} assume !(0 == ~main____CPAchecker_TMP_1~1);~main__x~0 := 4 + ~main__x~0;~main__y~0 := 1;~__tmp_88_0~0 := ~main____CPAchecker_TMP_0~0;~__tmp_88_1~0 := ~main____CPAchecker_TMP_1~1; {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 11: Hoare triple {905#true} ~main____CPAchecker_TMP_0~1 := ~__tmp_88_0~0;~main____CPAchecker_TMP_1~0 := ~__tmp_88_1~0; {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 12: Hoare triple {905#true} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet5;havoc #t~nondet5; {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 13: Hoare triple {905#true} assume !(0 == ~main____CPAchecker_TMP_0~0); {905#true} is VALID [2022-04-28 03:27:58,027 INFO L290 TraceCheckUtils]: 14: Hoare triple {905#true} assume !(1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296); {905#true} is VALID [2022-04-28 03:28:00,204 WARN L290 TraceCheckUtils]: 15: Hoare triple {905#true} assume 2 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296;~main__x~0 := 1 + ~main__x~0;~main__y~0 := 0;~__tmp_93_0~0 := ~main____CPAchecker_TMP_0~0; {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-28 03:28:00,205 INFO L290 TraceCheckUtils]: 16: Hoare triple {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~1 := ~__tmp_93_0~0;~__tmp_94_0~0 := ~main____CPAchecker_TMP_0~1; {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:28:00,206 INFO L290 TraceCheckUtils]: 17: Hoare triple {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} ~main____CPAchecker_TMP_0~0 := ~__tmp_94_0~0;havoc ~main____CPAchecker_TMP_0~1;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_0~1 := #t~nondet6;havoc #t~nondet6; {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:28:00,206 INFO L290 TraceCheckUtils]: 18: Hoare triple {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume !!(0 == ~main____CPAchecker_TMP_0~1); {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-28 03:28:00,214 INFO L290 TraceCheckUtils]: 19: Hoare triple {910#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} assume 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {911#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-28 03:28:00,214 INFO L290 TraceCheckUtils]: 20: Hoare triple {911#(not (= main_~__VERIFIER_assert__cond~0 0))} assume 0 == ~__VERIFIER_assert__cond~0; {906#false} is VALID [2022-04-28 03:28:00,214 INFO L290 TraceCheckUtils]: 21: Hoare triple {906#false} assume !false; {906#false} is VALID [2022-04-28 03:28:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 03:28:00,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 03:28:00,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078402993] [2022-04-28 03:28:00,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078402993] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:28:00,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:28:00,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 03:28:00,215 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 03:28:00,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1762572852] [2022-04-28 03:28:00,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1762572852] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 03:28:00,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 03:28:00,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 03:28:00,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911129956] [2022-04-28 03:28:00,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 03:28:00,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:28:00,216 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 03:28:00,216 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:28:02,418 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 18 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 03:28:02,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 03:28:02,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 03:28:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 03:28:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 03:28:02,419 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:28:04,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:28:08,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:28:11,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:28:13,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:28:17,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:28:24,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-28 03:28:24,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:28:24,497 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2022-04-28 03:28:24,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 03:28:24,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 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 03:28:24,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 03:28:24,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:28:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2022-04-28 03:28:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:28:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2022-04-28 03:28:24,500 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 67 transitions. [2022-04-28 03:28:28,942 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 65 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-04-28 03:28:28,943 INFO L225 Difference]: With dead ends: 60 [2022-04-28 03:28:28,943 INFO L226 Difference]: Without dead ends: 0 [2022-04-28 03:28:28,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 03:28:28,944 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 9 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-04-28 03:28:28,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 57 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 12.8s Time] [2022-04-28 03:28:28,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-28 03:28:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-28 03:28:28,948 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 03:28:28,948 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-28 03:28:28,948 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-28 03:28:28,948 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-28 03:28:28,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:28:28,948 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-28 03:28:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-28 03:28:28,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:28:28,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:28:28,948 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-28 03:28:28,948 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-28 03:28:28,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 03:28:28,948 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-28 03:28:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-28 03:28:28,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:28:28,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 03:28:28,949 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 03:28:28,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 03:28:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-28 03:28:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-28 03:28:28,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-04-28 03:28:28,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 03:28:28,949 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-28 03:28:28,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 03:28:28,949 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-28 03:28:28,949 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 03:28:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-28 03:28:28,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 03:28:28,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-28 03:28:28,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-28 03:28:28,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-28 03:28:29,058 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2022-04-28 03:28:29,059 INFO L899 garLoopResultBuilder]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2022-04-28 03:28:29,059 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2022-04-28 03:28:29,059 INFO L895 garLoopResultBuilder]: At program point L97(lines 97 106) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~0 0)) (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296))))))) [2022-04-28 03:28:29,059 INFO L895 garLoopResultBuilder]: At program point L122(lines 25 145) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,059 INFO L902 garLoopResultBuilder]: At program point mainEXIT(lines 16 151) the Hoare annotation is: true [2022-04-28 03:28:29,059 INFO L895 garLoopResultBuilder]: At program point L56(lines 26 114) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,059 INFO L902 garLoopResultBuilder]: At program point L23(lines 23 150) the Hoare annotation is: true [2022-04-28 03:28:29,059 INFO L895 garLoopResultBuilder]: At program point L48(lines 48 85) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,059 INFO L895 garLoopResultBuilder]: At program point L44(lines 26 114) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,059 INFO L895 garLoopResultBuilder]: At program point L90(lines 90 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,060 INFO L895 garLoopResultBuilder]: At program point L37(lines 37 113) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,060 INFO L895 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: false [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L128(lines 128 143) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L62(lines 62 84) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L25(lines 25 145) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L83(lines 17 151) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point mainFINAL(lines 16 151) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L895 garLoopResultBuilder]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 99) the Hoare annotation is: false [2022-04-28 03:28:29,060 INFO L895 garLoopResultBuilder]: At program point mainENTRY(lines 16 151) the Hoare annotation is: (and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|)) [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L117(lines 117 144) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L142(lines 25 145) the Hoare annotation is: true [2022-04-28 03:28:29,060 INFO L895 garLoopResultBuilder]: At program point L39(lines 39 86) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-28 03:28:29,060 INFO L902 garLoopResultBuilder]: At program point L134(lines 25 145) the Hoare annotation is: true [2022-04-28 03:28:29,061 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-28 03:28:29,061 INFO L895 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-28 03:28:29,061 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-28 03:28:29,061 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-28 03:28:29,061 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-28 03:28:29,061 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-28 03:28:29,061 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-28 03:28:29,063 INFO L356 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2] [2022-04-28 03:28:29,064 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-28 03:28:29,066 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-28 03:28:29,068 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-28 03:28:33,386 INFO L163 areAnnotationChecker]: CFG has 37 edges. 35 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-28 03:28:33,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:28:33 BoogieIcfgContainer [2022-04-28 03:28:33,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-28 03:28:33,395 INFO L158 Benchmark]: Toolchain (without parser) took 247662.59ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 143.3MB in the beginning and 191.0MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 03:28:33,395 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 03:28:33,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.07ms. Allocated memory is still 191.9MB. Free memory was 143.1MB in the beginning and 167.7MB in the end (delta: -24.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-28 03:28:33,395 INFO L158 Benchmark]: Boogie Preprocessor took 21.41ms. Allocated memory is still 191.9MB. Free memory was 167.7MB in the beginning and 166.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-28 03:28:33,395 INFO L158 Benchmark]: RCFGBuilder took 8965.63ms. Allocated memory is still 191.9MB. Free memory was 166.1MB in the beginning and 152.4MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-04-28 03:28:33,396 INFO L158 Benchmark]: TraceAbstraction took 238491.01ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 151.9MB in the beginning and 191.0MB in the end (delta: -39.0MB). Peak memory consumption was 2.4MB. Max. memory is 8.0GB. [2022-04-28 03:28:33,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 179.07ms. Allocated memory is still 191.9MB. Free memory was 143.1MB in the beginning and 167.7MB in the end (delta: -24.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.41ms. Allocated memory is still 191.9MB. Free memory was 167.7MB in the beginning and 166.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 8965.63ms. Allocated memory is still 191.9MB. Free memory was 166.1MB in the beginning and 152.4MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 238491.01ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 151.9MB in the beginning and 191.0MB in the end (delta: -39.0MB). Peak memory consumption was 2.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 99]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 234.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 202.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 101.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 96.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 260 IncrementalHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 104 mSDtfsCounter, 260 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=2, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 62 NumberOfFragments, 410 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main__x <= main__x / 4294967296 * 4294967296 + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + (main__x / 4294967296 * -4294967296 + -3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + main__x) / 4294967296 * 4294967296 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main__x <= main__x / 4294967296 * 4294967296 + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + (main__x / 4294967296 * -4294967296 + -3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + main__x) / 4294967296 * 4294967296 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: main__x <= main__x / 4294967296 * 4294967296 + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + (main__x / 4294967296 * -4294967296 + -3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + main__x) / 4294967296 * 4294967296 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 16]: Procedure Contract for main Derived contract for procedure main: 1 RESULT: Ultimate proved your program to be correct! [2022-04-28 03:28:33,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...