/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-patterns/array10_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:13:59,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:13:59,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:13:59,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 11:13:59,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:13:59,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:13:59,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:13:59,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:13:59,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:13:59,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:13:59,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:13:59,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:13:59,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:13:59,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:13:59,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:13:59,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:13:59,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:13:59,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:13:59,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:13:59,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:13:59,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:13:59,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:13:59,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:13:59,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:13:59,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:13:59,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:13:59,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:13:59,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:13:59,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:13:59,913 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:13:59,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:13:59,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:13:59,914 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:13:59,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:13:59,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:13:59,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:13:59,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:13:59,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:13:59,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:13:59,916 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:13:59,916 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:13:59,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:13:59,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:13:59,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:13:59,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:13:59,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:13:59,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:13:59,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:13:59,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:13:59,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:13:59,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:13:59,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:13:59,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:13:59,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:13:59,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:14:00,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:14:00,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:14:00,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:14:00,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:14:00,397 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:14:00,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array10_pattern.c [2022-10-16 11:14:00,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac8de110/61be8cac15274f03ae7466db551390ed/FLAG4c23f2593 [2022-10-16 11:14:01,057 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:14:01,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array10_pattern.c [2022-10-16 11:14:01,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac8de110/61be8cac15274f03ae7466db551390ed/FLAG4c23f2593 [2022-10-16 11:14:01,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac8de110/61be8cac15274f03ae7466db551390ed [2022-10-16 11:14:01,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:14:01,436 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:14:01,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:14:01,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:14:01,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:14:01,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:01,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6937e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01, skipping insertion in model container [2022-10-16 11:14:01,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:01,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:14:01,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:14:01,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2022-10-16 11:14:01,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:14:01,829 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:14:01,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2022-10-16 11:14:01,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:14:01,914 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:14:01,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01 WrapperNode [2022-10-16 11:14:01,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:14:01,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:14:01,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:14:01,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:14:01,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:01,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,007 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-10-16 11:14:02,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:14:02,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:14:02,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:14:02,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:14:02,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:14:02,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:14:02,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:14:02,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:14:02,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (1/1) ... [2022-10-16 11:14:02,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:14:02,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:02,135 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) [2022-10-16 11:14:02,168 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 [2022-10-16 11:14:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:14:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:14:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:14:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:14:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:14:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:14:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:14:02,347 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:14:02,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:14:02,727 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:14:02,737 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:14:02,737 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 11:14:02,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:14:02 BoogieIcfgContainer [2022-10-16 11:14:02,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:14:02,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:14:02,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:14:02,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:14:02,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:14:01" (1/3) ... [2022-10-16 11:14:02,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33951166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:14:02, skipping insertion in model container [2022-10-16 11:14:02,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:14:01" (2/3) ... [2022-10-16 11:14:02,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33951166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:14:02, skipping insertion in model container [2022-10-16 11:14:02,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:14:02" (3/3) ... [2022-10-16 11:14:02,801 INFO L112 eAbstractionObserver]: Analyzing ICFG array10_pattern.c [2022-10-16 11:14:02,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:14:02,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-16 11:14:02,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:14:02,967 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a4e99b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:14:02,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-16 11:14:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 46 states have (on average 1.7826086956521738) internal successors, (82), 72 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 11:14:02,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:02,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:02,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash 242931723, now seen corresponding path program 1 times [2022-10-16 11:14:03,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:03,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75552616] [2022-10-16 11:14:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:14:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:03,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:03,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75552616] [2022-10-16 11:14:03,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75552616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:14:03,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:14:03,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:14:03,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904143909] [2022-10-16 11:14:03,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:14:03,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 11:14:03,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:03,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 11:14:03,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 11:14:03,271 INFO L87 Difference]: Start difference. First operand has 76 states, 46 states have (on average 1.7826086956521738) internal successors, (82), 72 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:03,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:03,303 INFO L93 Difference]: Finished difference Result 148 states and 170 transitions. [2022-10-16 11:14:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 11:14:03,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-10-16 11:14:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:03,322 INFO L225 Difference]: With dead ends: 148 [2022-10-16 11:14:03,322 INFO L226 Difference]: Without dead ends: 68 [2022-10-16 11:14:03,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 11:14:03,333 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:03,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:14:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-10-16 11:14:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-10-16 11:14:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.7) internal successors, (68), 64 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-10-16 11:14:03,397 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 11 [2022-10-16 11:14:03,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:03,398 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-10-16 11:14:03,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-10-16 11:14:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 11:14:03,400 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:03,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:03,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:14:03,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:03,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:03,402 INFO L85 PathProgramCache]: Analyzing trace with hash 2017939085, now seen corresponding path program 1 times [2022-10-16 11:14:03,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:03,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268269259] [2022-10-16 11:14:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:14:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:03,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:03,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268269259] [2022-10-16 11:14:03,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268269259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:14:03,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:14:03,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:14:03,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757430060] [2022-10-16 11:14:03,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:14:03,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:14:03,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:03,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:14:03,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:14:03,652 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:03,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:03,818 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-10-16 11:14:03,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:14:03,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-10-16 11:14:03,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:03,821 INFO L225 Difference]: With dead ends: 128 [2022-10-16 11:14:03,825 INFO L226 Difference]: Without dead ends: 126 [2022-10-16 11:14:03,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:14:03,827 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 57 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:03,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 185 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:14:03,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-10-16 11:14:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 72. [2022-10-16 11:14:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.6590909090909092) internal successors, (73), 68 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2022-10-16 11:14:03,869 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 11 [2022-10-16 11:14:03,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:03,870 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2022-10-16 11:14:03,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2022-10-16 11:14:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:14:03,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:03,874 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:03,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:14:03,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:03,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:03,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1149045849, now seen corresponding path program 1 times [2022-10-16 11:14:03,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:03,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771091057] [2022-10-16 11:14:03,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:03,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:03,907 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:14:03,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [982176671] [2022-10-16 11:14:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:03,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:03,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:03,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:03,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:14:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:04,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 11:14:04,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:04,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:14:04,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:04,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771091057] [2022-10-16 11:14:04,168 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:14:04,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982176671] [2022-10-16 11:14:04,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982176671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:14:04,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:14:04,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:14:04,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290791337] [2022-10-16 11:14:04,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:14:04,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:14:04,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:04,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:14:04,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:14:04,176 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-10-16 11:14:04,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:04,358 INFO L93 Difference]: Finished difference Result 146 states and 155 transitions. [2022-10-16 11:14:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 11:14:04,360 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), 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) Word has length 16 [2022-10-16 11:14:04,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:04,361 INFO L225 Difference]: With dead ends: 146 [2022-10-16 11:14:04,361 INFO L226 Difference]: Without dead ends: 88 [2022-10-16 11:14:04,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:14:04,364 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 101 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:04,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 198 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:14:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-10-16 11:14:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2022-10-16 11:14:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 70 states have internal predecessors, (74), 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) [2022-10-16 11:14:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2022-10-16 11:14:04,377 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 16 [2022-10-16 11:14:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:04,378 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2022-10-16 11:14:04,378 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), 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) [2022-10-16 11:14:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2022-10-16 11:14:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:14:04,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:04,379 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:04,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:04,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:04,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1338619145, now seen corresponding path program 1 times [2022-10-16 11:14:04,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:04,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074285057] [2022-10-16 11:14:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:14:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:04,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:04,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074285057] [2022-10-16 11:14:04,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074285057] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:14:04,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530847029] [2022-10-16 11:14:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:04,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:04,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:04,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:04,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 11:14:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:04,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:14:04,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:04,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:14:05,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:05,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530847029] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:14:05,001 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:14:05,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 11:14:05,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990261332] [2022-10-16 11:14:05,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:14:05,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 11:14:05,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:05,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 11:14:05,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:14:05,004 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:05,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:05,211 INFO L93 Difference]: Finished difference Result 182 states and 199 transitions. [2022-10-16 11:14:05,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 11:14:05,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-10-16 11:14:05,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:05,216 INFO L225 Difference]: With dead ends: 182 [2022-10-16 11:14:05,216 INFO L226 Difference]: Without dead ends: 181 [2022-10-16 11:14:05,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 11:14:05,219 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 212 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:05,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 261 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:14:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-10-16 11:14:05,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 86. [2022-10-16 11:14:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 81 states have internal predecessors, (90), 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) [2022-10-16 11:14:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2022-10-16 11:14:05,233 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 15 [2022-10-16 11:14:05,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:05,234 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2022-10-16 11:14:05,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2022-10-16 11:14:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:14:05,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:05,236 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:05,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:05,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 11:14:05,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:05,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:05,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1452479417, now seen corresponding path program 1 times [2022-10-16 11:14:05,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:05,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411232932] [2022-10-16 11:14:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:14:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:05,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:05,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411232932] [2022-10-16 11:14:05,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411232932] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:14:05,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272779401] [2022-10-16 11:14:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:05,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:05,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:05,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:05,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 11:14:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:05,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:14:05,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:05,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:14:05,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272779401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:14:05,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:14:05,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 11:14:05,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837688811] [2022-10-16 11:14:05,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:14:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:14:05,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:14:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:14:05,710 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:05,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:05,778 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2022-10-16 11:14:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:14:05,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 11:14:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:05,780 INFO L225 Difference]: With dead ends: 99 [2022-10-16 11:14:05,780 INFO L226 Difference]: Without dead ends: 98 [2022-10-16 11:14:05,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:14:05,782 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 74 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:05,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 216 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:14:05,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-10-16 11:14:05,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2022-10-16 11:14:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 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) [2022-10-16 11:14:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2022-10-16 11:14:05,794 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 16 [2022-10-16 11:14:05,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:05,794 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2022-10-16 11:14:05,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:14:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2022-10-16 11:14:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 11:14:05,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:05,796 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:05,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:06,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:06,010 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:06,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash 657013419, now seen corresponding path program 1 times [2022-10-16 11:14:06,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:06,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089556379] [2022-10-16 11:14:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:06,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:06,032 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:14:06,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949461001] [2022-10-16 11:14:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:06,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:06,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:06,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:06,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 11:14:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:06,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:14:06,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 11:14:06,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:14:06,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:06,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089556379] [2022-10-16 11:14:06,195 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:14:06,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949461001] [2022-10-16 11:14:06,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949461001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:14:06,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:14:06,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 11:14:06,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397192737] [2022-10-16 11:14:06,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:14:06,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:14:06,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:06,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:14:06,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:14:06,198 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:06,295 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2022-10-16 11:14:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:14:06,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-10-16 11:14:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:06,297 INFO L225 Difference]: With dead ends: 86 [2022-10-16 11:14:06,297 INFO L226 Difference]: Without dead ends: 81 [2022-10-16 11:14:06,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:14:06,299 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 50 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:06,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 139 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:14:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-10-16 11:14:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2022-10-16 11:14:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 75 states have internal predecessors, (82), 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) [2022-10-16 11:14:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 86 transitions. [2022-10-16 11:14:06,310 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 86 transitions. Word has length 20 [2022-10-16 11:14:06,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:06,310 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 86 transitions. [2022-10-16 11:14:06,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2022-10-16 11:14:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 11:14:06,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:06,312 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:06,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:06,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:06,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:06,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:06,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1107420427, now seen corresponding path program 1 times [2022-10-16 11:14:06,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:06,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384276686] [2022-10-16 11:14:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:06,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:06,547 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:14:06,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802527006] [2022-10-16 11:14:06,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:06,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:06,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:06,549 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:06,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 11:14:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:06,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:14:06,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 11:14:06,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:14:06,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:06,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384276686] [2022-10-16 11:14:06,700 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:14:06,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802527006] [2022-10-16 11:14:06,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802527006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:14:06,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:14:06,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:14:06,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238454349] [2022-10-16 11:14:06,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:14:06,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:14:06,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:06,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:14:06,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:14:06,703 INFO L87 Difference]: Start difference. First operand 80 states and 86 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:06,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:06,744 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-10-16 11:14:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:14:06,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-10-16 11:14:06,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:06,746 INFO L225 Difference]: With dead ends: 81 [2022-10-16 11:14:06,746 INFO L226 Difference]: Without dead ends: 76 [2022-10-16 11:14:06,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:14:06,747 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 44 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:06,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 65 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:14:06,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-10-16 11:14:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-10-16 11:14:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 70 states have internal predecessors, (77), 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) [2022-10-16 11:14:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2022-10-16 11:14:06,757 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 21 [2022-10-16 11:14:06,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:06,757 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2022-10-16 11:14:06,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:14:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2022-10-16 11:14:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 11:14:06,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:06,759 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:06,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:06,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:06,973 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:06,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:06,974 INFO L85 PathProgramCache]: Analyzing trace with hash -437308291, now seen corresponding path program 2 times [2022-10-16 11:14:06,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:06,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486670144] [2022-10-16 11:14:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:06,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:14:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:07,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:07,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486670144] [2022-10-16 11:14:07,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486670144] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:14:07,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105571413] [2022-10-16 11:14:07,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:14:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:07,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:07,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 11:14:07,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:14:07,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:14:07,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:14:07,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 11:14:07,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:14:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 11:14:07,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105571413] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:14:07,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:14:07,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-10-16 11:14:07,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662229029] [2022-10-16 11:14:07,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:14:07,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 11:14:07,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:07,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 11:14:07,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2022-10-16 11:14:07,496 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:14:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:07,821 INFO L93 Difference]: Finished difference Result 174 states and 198 transitions. [2022-10-16 11:14:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 11:14:07,822 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 27 [2022-10-16 11:14:07,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:07,824 INFO L225 Difference]: With dead ends: 174 [2022-10-16 11:14:07,824 INFO L226 Difference]: Without dead ends: 171 [2022-10-16 11:14:07,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-10-16 11:14:07,826 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 329 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:07,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 311 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:14:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-10-16 11:14:07,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 58. [2022-10-16 11:14:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 53 states have internal predecessors, (57), 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) [2022-10-16 11:14:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2022-10-16 11:14:07,835 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 27 [2022-10-16 11:14:07,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:07,835 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2022-10-16 11:14:07,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:14:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2022-10-16 11:14:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 11:14:07,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:07,837 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:07,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:08,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:08,053 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:08,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:08,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1671598043, now seen corresponding path program 1 times [2022-10-16 11:14:08,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:08,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417513969] [2022-10-16 11:14:08,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:08,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:08,073 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:14:08,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441345637] [2022-10-16 11:14:08,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:08,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:08,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:08,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 11:14:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:08,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 11:14:08,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:08,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 11:14:08,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-10-16 11:14:08,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-16 11:14:08,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-10-16 11:14:10,479 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (+ |ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |ULTIMATE.start_main_~index~0#1| 4294967296) 4)) 0) [2022-10-16 11:14:10,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:14:10,562 INFO L244 Elim1Store]: Index analysis took 2086 ms [2022-10-16 11:14:10,588 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-10-16 11:14:10,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-10-16 11:14:16,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:14:16,500 INFO L356 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2022-10-16 11:14:16,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 49 [2022-10-16 11:14:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:14:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:14:16,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 43 [2022-10-16 11:14:17,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-16 11:14:17,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 11:14:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:14:17,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:14:17,684 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_252 (Array Int Int))) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) 9223372036854775808)) is different from false [2022-10-16 11:14:20,446 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (and (forall ((|ULTIMATE.start_main_~num~0#1| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int))) (let ((.cse0 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (< |aux_mod_ULTIMATE.start_main_~index~0#1_49| 0) (< .cse0 (+ v_ArrVal_250 4294967296)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~index~0#1_49|) (<= .cse0 2147483647) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse1 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_250)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) 9223372036854775808)))) (forall ((|ULTIMATE.start_main_~num~0#1| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int))) (let ((.cse2 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (< |aux_mod_ULTIMATE.start_main_~index~0#1_49| 0) (< 2147483647 .cse2) (< .cse2 v_ArrVal_250) (< 2147483647 |aux_mod_ULTIMATE.start_main_~index~0#1_49|) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse1 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_250)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) 9223372036854775808)))) (forall ((|ULTIMATE.start_main_~num~0#1| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int))) (let ((.cse3 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (<= |aux_mod_ULTIMATE.start_main_~index~0#1_49| 2147483647) (< (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse1 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_250)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|) 9223372036854775808) (< 2147483647 .cse3) (< .cse3 v_ArrVal_250) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~index~0#1_49|)))) (forall ((|ULTIMATE.start_main_~num~0#1| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_250 Int) (v_ArrVal_252 (Array Int Int))) (let ((.cse4 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (<= |aux_mod_ULTIMATE.start_main_~index~0#1_49| 2147483647) (< (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse1 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_250)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|) 9223372036854775808) (< .cse4 (+ v_ArrVal_250 4294967296)) (<= .cse4 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~index~0#1_49|)))))) is different from false [2022-10-16 11:14:37,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:14:37,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417513969] [2022-10-16 11:14:37,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:14:37,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441345637] [2022-10-16 11:14:37,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441345637] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:14:37,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:14:37,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-16 11:14:37,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474980733] [2022-10-16 11:14:37,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-16 11:14:37,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 11:14:37,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:14:37,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 11:14:37,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=83, Unknown=2, NotChecked=38, Total=156 [2022-10-16 11:14:37,083 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2022-10-16 11:14:37,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:14:37,202 INFO L93 Difference]: Finished difference Result 93 states and 100 transitions. [2022-10-16 11:14:37,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:14:37,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) Word has length 33 [2022-10-16 11:14:37,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:14:37,206 INFO L225 Difference]: With dead ends: 93 [2022-10-16 11:14:37,206 INFO L226 Difference]: Without dead ends: 92 [2022-10-16 11:14:37,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=111, Unknown=2, NotChecked=46, Total=210 [2022-10-16 11:14:37,208 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 74 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:14:37,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 187 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 12 Unchecked, 0.1s Time] [2022-10-16 11:14:37,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-10-16 11:14:37,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 84. [2022-10-16 11:14:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 77 states have internal predecessors, (84), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:14:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2022-10-16 11:14:37,218 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 33 [2022-10-16 11:14:37,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:14:37,219 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2022-10-16 11:14:37,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2022-10-16 11:14:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2022-10-16 11:14:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 11:14:37,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:14:37,221 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:14:37,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 11:14:37,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:37,435 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:14:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:14:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash -279931673, now seen corresponding path program 1 times [2022-10-16 11:14:37,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:14:37,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884955330] [2022-10-16 11:14:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:37,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:14:37,454 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:14:37,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114546978] [2022-10-16 11:14:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:14:37,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:14:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:14:37,456 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:14:37,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 11:14:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:14:37,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 11:14:37,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:14:37,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 11:14:37,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-10-16 11:14:37,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-16 11:14:37,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-10-16 11:14:40,041 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (+ |ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |ULTIMATE.start_main_~index~0#1| 4294967296) 4)) 0) [2022-10-16 11:14:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:14:40,151 INFO L244 Elim1Store]: Index analysis took 2111 ms [2022-10-16 11:14:42,160 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-10-16 11:14:42,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-10-16 11:14:46,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 12 [2022-10-16 11:14:59,129 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 71 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 11:14:59,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 68 [2022-10-16 11:15:03,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2022-10-16 11:15:03,481 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 11:15:03,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 57 [2022-10-16 11:15:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:15:03,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:15:03,617 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_291 (Array Int Int))) (< 0 (+ 9223372036854775809 |c_ULTIMATE.start_main_~sum~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_291) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) is different from false [2022-10-16 11:15:11,338 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (and (forall ((|ULTIMATE.start_main_~num~0#1| Int) (v_ArrVal_289 Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_291 (Array Int Int)) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int)) (let ((.cse1 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (< |aux_mod_ULTIMATE.start_main_~index~0#1_49| 0) (< 0 (+ 9223372036854775809 |c_ULTIMATE.start_main_~sum~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse0 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_289)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_291) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~index~0#1_49|) (<= .cse1 2147483647) (< (+ v_ArrVal_289 4294967296) .cse1)))) (forall ((|ULTIMATE.start_main_~num~0#1| Int) (v_ArrVal_289 Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_291 (Array Int Int)) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int)) (let ((.cse2 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (<= |aux_mod_ULTIMATE.start_main_~index~0#1_49| 2147483647) (< v_ArrVal_289 .cse2) (< 2147483647 .cse2) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~index~0#1_49|) (< 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse0 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_289)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_291) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) 9223372036854775809 |c_ULTIMATE.start_main_~sum~0#1|))))) (forall ((|ULTIMATE.start_main_~num~0#1| Int) (v_ArrVal_289 Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_291 (Array Int Int)) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int)) (let ((.cse3 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (< v_ArrVal_289 .cse3) (< |aux_mod_ULTIMATE.start_main_~index~0#1_49| 0) (< 0 (+ 9223372036854775809 |c_ULTIMATE.start_main_~sum~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse0 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_289)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_291) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (< 2147483647 .cse3) (< 2147483647 |aux_mod_ULTIMATE.start_main_~index~0#1_49|)))) (forall ((|ULTIMATE.start_main_~num~0#1| Int) (v_ArrVal_289 Int) (|aux_div_ULTIMATE.start_main_~index~0#1_49| Int) (v_ArrVal_291 (Array Int Int)) (|aux_mod_ULTIMATE.start_main_~index~0#1_49| Int)) (let ((.cse4 (mod (* |ULTIMATE.start_main_~num~0#1| (* (* (* (+ (* |aux_div_ULTIMATE.start_main_~index~0#1_49| 4294967296) |aux_mod_ULTIMATE.start_main_~index~0#1_49|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (or (<= |aux_mod_ULTIMATE.start_main_~index~0#1_49| 2147483647) (<= .cse4 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~index~0#1_49|) (< (+ v_ArrVal_289 4294967296) .cse4) (< 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse0 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~index~0#1_49| 4294967296) 4)) v_ArrVal_289)) |c_ULTIMATE.start_main_~#array2~0#1.base| v_ArrVal_291) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) 9223372036854775809 |c_ULTIMATE.start_main_~sum~0#1|))))))) is different from false [2022-10-16 11:15:24,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:15:24,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884955330] [2022-10-16 11:15:24,967 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:15:24,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114546978] [2022-10-16 11:15:24,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114546978] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:15:24,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:15:24,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-16 11:15:24,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596110644] [2022-10-16 11:15:24,968 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-16 11:15:24,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 11:15:24,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:15:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 11:15:24,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=101, Unknown=3, NotChecked=42, Total=182 [2022-10-16 11:15:24,969 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 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) [2022-10-16 11:15:25,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:15:25,123 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2022-10-16 11:15:25,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 11:15:25,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 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) Word has length 34 [2022-10-16 11:15:25,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:15:25,125 INFO L225 Difference]: With dead ends: 100 [2022-10-16 11:15:25,125 INFO L226 Difference]: Without dead ends: 99 [2022-10-16 11:15:25,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=46, Invalid=115, Unknown=3, NotChecked=46, Total=210 [2022-10-16 11:15:25,126 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 61 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:15:25,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 234 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 41 Unchecked, 0.1s Time] [2022-10-16 11:15:25,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-16 11:15:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 85. [2022-10-16 11:15:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:15:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2022-10-16 11:15:25,136 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 34 [2022-10-16 11:15:25,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:15:25,137 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2022-10-16 11:15:25,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 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) [2022-10-16 11:15:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2022-10-16 11:15:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 11:15:25,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:15:25,138 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:15:25,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 11:15:25,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 11:15:25,353 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 11:15:25,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:15:25,354 INFO L85 PathProgramCache]: Analyzing trace with hash -87947161, now seen corresponding path program 1 times [2022-10-16 11:15:25,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:15:25,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544037671] [2022-10-16 11:15:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:15:25,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:15:25,368 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:15:25,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682479853] [2022-10-16 11:15:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:15:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:15:25,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:15:25,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:15:25,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 11:15:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:15:25,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 11:15:25,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:15:25,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 11:15:25,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:15:25,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-10-16 11:15:25,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-16 11:15:25,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2022-10-16 11:15:25,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 87 [2022-10-16 11:15:30,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 72 [2022-10-16 11:15:36,763 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 65 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 11:15:37,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 138 [2022-10-16 11:15:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:15:37,169 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-10-16 11:15:37,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-10-16 11:15:37,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 12 [2022-10-16 11:15:59,989 WARN L233 SmtUtils]: Spent 16.08s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 11:16:28,686 WARN L233 SmtUtils]: Spent 26.30s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 11:16:39,121 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 11:16:47,570 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 11:16:47,715 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 11:16:47,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 237 [2022-10-16 11:16:48,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-10-16 11:16:49,326 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 11:16:49,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 334 [2022-10-16 11:17:01,462 WARN L233 SmtUtils]: Spent 11.37s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-16 11:17:01,463 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 11:17:01,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 556 treesize of output 666