/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/ldv-memsafety/memleaks_test22_1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:46:25,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:46:25,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:46:25,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:46:25,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:46:25,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:46:25,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:46:25,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:46:25,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:46:25,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:46:25,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:46:25,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:46:25,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:46:25,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:46:25,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:46:25,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:46:25,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:46:25,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:46:25,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:46:25,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:46:25,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:46:25,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:46:25,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:46:25,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:46:25,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 13:46:25,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:46:25,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:46:25,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:46:25,552 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 13:46:25,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:46:25,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:46:25,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:46:25,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:46:25,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:46:25,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:46:25,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:46:25,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:46:25,589 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:46:25,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:46:25,590 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:46:25,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:46:25,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:46:25,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:46:25,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:46:25,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:46:25,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:46:25,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:46:25,591 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:46:25,591 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:46:25,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:46:25,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:46:25,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:46:25,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:46:25,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:46:25,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:46:25,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:46:25,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:46:25,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:46:25,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:46:25,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:46:25,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:46:25,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:46:25,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:46:25,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:46:26,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:46:26,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:46:26,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:46:26,010 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:46:26,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2022-10-16 13:46:26,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9c2f271/4f0bf7f76d0a457ba8cb31d769781f08/FLAGc31247f21 [2022-10-16 13:46:26,869 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:46:26,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2022-10-16 13:46:26,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9c2f271/4f0bf7f76d0a457ba8cb31d769781f08/FLAGc31247f21 [2022-10-16 13:46:27,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9c2f271/4f0bf7f76d0a457ba8cb31d769781f08 [2022-10-16 13:46:27,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:46:27,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:46:27,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:46:27,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:46:27,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:46:27,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c975def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27, skipping insertion in model container [2022-10-16 13:46:27,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:46:27,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:46:27,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:46:27,762 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:46:27,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:46:27,874 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:46:27,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27 WrapperNode [2022-10-16 13:46:27,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:46:27,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:46:27,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:46:27,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:46:27,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,943 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 120 [2022-10-16 13:46:27,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:46:27,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:46:27,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:46:27,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:46:27,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:27,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:28,001 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:28,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:28,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:46:28,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:46:28,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:46:28,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:46:28,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (1/1) ... [2022-10-16 13:46:28,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:46:28,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:28,051 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 13:46:28,077 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 13:46:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:46:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2022-10-16 13:46:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2022-10-16 13:46:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:46:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:46:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:46:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:46:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:46:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:46:28,349 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:46:28,352 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:46:28,644 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:46:28,651 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:46:28,652 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:46:28,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:46:28 BoogieIcfgContainer [2022-10-16 13:46:28,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:46:28,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:46:28,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:46:28,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:46:28,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:46:27" (1/3) ... [2022-10-16 13:46:28,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392fcea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:46:28, skipping insertion in model container [2022-10-16 13:46:28,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:27" (2/3) ... [2022-10-16 13:46:28,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392fcea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:46:28, skipping insertion in model container [2022-10-16 13:46:28,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:46:28" (3/3) ... [2022-10-16 13:46:28,664 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-1.i [2022-10-16 13:46:28,684 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:46:28,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 13:46:28,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:46:28,751 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;@6b78d4c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:46:28,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 13:46:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 44 states have internal predecessors, (52), 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 13:46:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 13:46:28,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:28,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:28,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash 328243011, now seen corresponding path program 1 times [2022-10-16 13:46:28,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:28,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485701990] [2022-10-16 13:46:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:29,187 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 13:46:29,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:29,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485701990] [2022-10-16 13:46:29,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485701990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:29,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:29,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:46:29,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558324967] [2022-10-16 13:46:29,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:29,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:46:29,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:29,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:46:29,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:29,235 INFO L87 Difference]: Start difference. First operand has 48 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 44 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 4 states have internal predecessors, (10), 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 13:46:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:29,382 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2022-10-16 13:46:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:29,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2022-10-16 13:46:29,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:29,396 INFO L225 Difference]: With dead ends: 116 [2022-10-16 13:46:29,396 INFO L226 Difference]: Without dead ends: 62 [2022-10-16 13:46:29,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:29,414 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 47 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:29,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 360 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-10-16 13:46:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 39. [2022-10-16 13:46:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.3) internal successors, (39), 34 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-10-16 13:46:29,483 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 12 [2022-10-16 13:46:29,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:29,484 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-10-16 13:46:29,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 4 states have internal predecessors, (10), 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 13:46:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-10-16 13:46:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 13:46:29,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:29,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:29,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:46:29,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:29,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:29,493 INFO L85 PathProgramCache]: Analyzing trace with hash 2071053346, now seen corresponding path program 1 times [2022-10-16 13:46:29,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:29,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494784330] [2022-10-16 13:46:29,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:29,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:29,708 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 13:46:29,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:29,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494784330] [2022-10-16 13:46:29,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494784330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:29,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:29,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:46:29,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986747471] [2022-10-16 13:46:29,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:29,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:46:29,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:29,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:46:29,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:46:29,721 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 13:46:29,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:29,825 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2022-10-16 13:46:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:29,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2022-10-16 13:46:29,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:29,827 INFO L225 Difference]: With dead ends: 68 [2022-10-16 13:46:29,827 INFO L226 Difference]: Without dead ends: 55 [2022-10-16 13:46:29,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:29,830 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 26 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:29,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 133 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-10-16 13:46:29,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 41. [2022-10-16 13:46:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.28125) internal successors, (41), 36 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-10-16 13:46:29,848 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 12 [2022-10-16 13:46:29,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:29,852 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-10-16 13:46:29,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 13:46:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-10-16 13:46:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 13:46:29,854 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:29,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:29,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:46:29,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:29,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:29,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1554646234, now seen corresponding path program 1 times [2022-10-16 13:46:29,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:29,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146270959] [2022-10-16 13:46:29,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:29,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,057 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 13:46:30,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:30,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146270959] [2022-10-16 13:46:30,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146270959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:30,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:30,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:46:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800809223] [2022-10-16 13:46:30,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:30,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:46:30,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:30,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:46:30,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:30,063 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (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 13:46:30,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:30,169 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-10-16 13:46:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:30,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (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 13:46:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:30,172 INFO L225 Difference]: With dead ends: 48 [2022-10-16 13:46:30,173 INFO L226 Difference]: Without dead ends: 39 [2022-10-16 13:46:30,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:46:30,175 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:30,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 172 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:30,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-16 13:46:30,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2022-10-16 13:46:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 31 states have internal predecessors, (35), 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 13:46:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2022-10-16 13:46:30,183 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 15 [2022-10-16 13:46:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:30,183 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2022-10-16 13:46:30,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (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 13:46:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-16 13:46:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 13:46:30,185 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:30,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:30,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:46:30,185 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:30,186 INFO L85 PathProgramCache]: Analyzing trace with hash 985818736, now seen corresponding path program 1 times [2022-10-16 13:46:30,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:30,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183700907] [2022-10-16 13:46:30,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:30,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,323 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 13:46:30,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:30,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183700907] [2022-10-16 13:46:30,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183700907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:30,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:30,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:46:30,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123899430] [2022-10-16 13:46:30,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:30,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:46:30,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:46:30,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:46:30,328 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 5 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 13:46:30,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:30,425 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2022-10-16 13:46:30,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:46:30,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 5 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 13:46:30,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:30,429 INFO L225 Difference]: With dead ends: 78 [2022-10-16 13:46:30,429 INFO L226 Difference]: Without dead ends: 62 [2022-10-16 13:46:30,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:46:30,439 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 49 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:30,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 248 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-10-16 13:46:30,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 42. [2022-10-16 13:46:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 37 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2022-10-16 13:46:30,457 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 16 [2022-10-16 13:46:30,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:30,458 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2022-10-16 13:46:30,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 5 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 13:46:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-10-16 13:46:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 13:46:30,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:30,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:30,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:46:30,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:30,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1114901455, now seen corresponding path program 1 times [2022-10-16 13:46:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:30,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5897830] [2022-10-16 13:46:30,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:30,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,703 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 13:46:30,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:30,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5897830] [2022-10-16 13:46:30,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5897830] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:30,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:30,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:46:30,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064644534] [2022-10-16 13:46:30,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:30,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:46:30,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:30,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:46:30,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:30,711 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 4 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 13:46:30,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:30,771 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-10-16 13:46:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:30,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 4 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 13:46:30,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:30,773 INFO L225 Difference]: With dead ends: 65 [2022-10-16 13:46:30,773 INFO L226 Difference]: Without dead ends: 35 [2022-10-16 13:46:30,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:46:30,775 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:30,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 165 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:46:30,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-10-16 13:46:30,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-10-16 13:46:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 31 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2022-10-16 13:46:30,781 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 16 [2022-10-16 13:46:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:30,782 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2022-10-16 13:46:30,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 4 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 13:46:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-10-16 13:46:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 13:46:30,783 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:30,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:30,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:46:30,784 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:30,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:30,785 INFO L85 PathProgramCache]: Analyzing trace with hash -332020199, now seen corresponding path program 1 times [2022-10-16 13:46:30,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:30,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810622810] [2022-10-16 13:46:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:30,898 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 13:46:30,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:30,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810622810] [2022-10-16 13:46:30,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810622810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:30,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:30,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:46:30,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730477672] [2022-10-16 13:46:30,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:30,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:46:30,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:30,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:46:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:46:30,901 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 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 13:46:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:30,982 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2022-10-16 13:46:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:46:30,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 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 18 [2022-10-16 13:46:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:30,984 INFO L225 Difference]: With dead ends: 52 [2022-10-16 13:46:30,984 INFO L226 Difference]: Without dead ends: 35 [2022-10-16 13:46:30,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:46:30,988 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 64 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:30,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 118 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:30,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-10-16 13:46:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-10-16 13:46:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 30 states have internal predecessors, (32), 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 13:46:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2022-10-16 13:46:31,002 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 18 [2022-10-16 13:46:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:31,003 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2022-10-16 13:46:31,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 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 13:46:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-10-16 13:46:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 13:46:31,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:31,005 INFO L195 NwaCegarLoop]: trace histogram [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 13:46:31,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:46:31,006 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:31,006 INFO L85 PathProgramCache]: Analyzing trace with hash -236951208, now seen corresponding path program 1 times [2022-10-16 13:46:31,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:31,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606836240] [2022-10-16 13:46:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:31,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:46:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,205 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 13:46:31,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:31,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606836240] [2022-10-16 13:46:31,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606836240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:31,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:31,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:46:31,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550761990] [2022-10-16 13:46:31,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:31,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:46:31,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:46:31,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:46:31,226 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 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 13:46:31,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:31,304 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2022-10-16 13:46:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:31,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 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 23 [2022-10-16 13:46:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:31,307 INFO L225 Difference]: With dead ends: 61 [2022-10-16 13:46:31,307 INFO L226 Difference]: Without dead ends: 36 [2022-10-16 13:46:31,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:31,309 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:31,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:31,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-10-16 13:46:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-10-16 13:46:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 31 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2022-10-16 13:46:31,316 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 23 [2022-10-16 13:46:31,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:31,317 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2022-10-16 13:46:31,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 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 13:46:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2022-10-16 13:46:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 13:46:31,318 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:31,319 INFO L195 NwaCegarLoop]: trace histogram [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 13:46:31,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:46:31,319 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:31,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:31,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2087964021, now seen corresponding path program 1 times [2022-10-16 13:46:31,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:31,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134491273] [2022-10-16 13:46:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:31,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:46:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:31,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:31,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134491273] [2022-10-16 13:46:31,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134491273] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:31,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927877754] [2022-10-16 13:46:31,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:31,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:31,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:31,551 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 13:46:31,573 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 13:46:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:31,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 85 conjunts are in the unsatisfiable core [2022-10-16 13:46:31,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:46:31,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-10-16 13:46:32,883 WARN L855 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_108 Int) (v_ArrVal_107 Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_107) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_108)) |c_#memory_int|))) is different from true [2022-10-16 13:46:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:32,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-10-16 13:46:33,037 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 13:46:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:46:33,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:46:33,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927877754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:33,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:46:33,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2022-10-16 13:46:33,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42917987] [2022-10-16 13:46:33,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:33,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:46:33,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:33,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:46:33,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2022-10-16 13:46:33,060 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 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 13:46:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:33,385 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2022-10-16 13:46:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:46:33,386 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 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 24 [2022-10-16 13:46:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:33,387 INFO L225 Difference]: With dead ends: 43 [2022-10-16 13:46:33,387 INFO L226 Difference]: Without dead ends: 42 [2022-10-16 13:46:33,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=79, Invalid=430, Unknown=1, NotChecked=42, Total=552 [2022-10-16 13:46:33,389 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 54 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:33,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 134 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 190 Invalid, 0 Unknown, 41 Unchecked, 0.2s Time] [2022-10-16 13:46:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-10-16 13:46:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2022-10-16 13:46:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 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 13:46:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2022-10-16 13:46:33,397 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 24 [2022-10-16 13:46:33,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:33,397 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2022-10-16 13:46:33,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 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 13:46:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-10-16 13:46:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 13:46:33,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:33,399 INFO L195 NwaCegarLoop]: trace histogram [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 13:46:33,441 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 13:46:33,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:33,614 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:33,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:33,615 INFO L85 PathProgramCache]: Analyzing trace with hash 302375291, now seen corresponding path program 1 times [2022-10-16 13:46:33,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:33,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35327427] [2022-10-16 13:46:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:46:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:33,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35327427] [2022-10-16 13:46:33,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35327427] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:33,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442966107] [2022-10-16 13:46:33,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:33,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:33,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:33,802 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 13:46:33,823 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 13:46:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:33,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 85 conjunts are in the unsatisfiable core [2022-10-16 13:46:33,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:46:34,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-10-16 13:46:34,976 WARN L855 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_173 Int) (v_ArrVal_171 Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_173) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_171)) |c_#memory_int|))) is different from true [2022-10-16 13:46:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:35,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-10-16 13:46:35,108 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 13:46:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:46:35,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:46:35,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442966107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:35,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:46:35,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2022-10-16 13:46:35,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572134686] [2022-10-16 13:46:35,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:35,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:46:35,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:35,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:46:35,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2022-10-16 13:46:35,134 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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 13:46:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:35,378 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2022-10-16 13:46:35,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:46:35,379 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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 25 [2022-10-16 13:46:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:35,380 INFO L225 Difference]: With dead ends: 42 [2022-10-16 13:46:35,380 INFO L226 Difference]: Without dead ends: 41 [2022-10-16 13:46:35,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=79, Invalid=430, Unknown=1, NotChecked=42, Total=552 [2022-10-16 13:46:35,381 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 71 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:35,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 122 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 154 Invalid, 0 Unknown, 45 Unchecked, 0.1s Time] [2022-10-16 13:46:35,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-10-16 13:46:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2022-10-16 13:46:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 29 states have internal predecessors, (31), 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 13:46:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2022-10-16 13:46:35,389 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 25 [2022-10-16 13:46:35,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:35,390 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2022-10-16 13:46:35,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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 13:46:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2022-10-16 13:46:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 13:46:35,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:35,391 INFO L195 NwaCegarLoop]: trace histogram [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 13:46:35,441 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 13:46:35,604 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,SelfDestructingSolverStorable8 [2022-10-16 13:46:35,604 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:35,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1465575769, now seen corresponding path program 1 times [2022-10-16 13:46:35,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:35,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509118427] [2022-10-16 13:46:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:35,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:46:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:46:35,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:35,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509118427] [2022-10-16 13:46:35,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509118427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:35,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:35,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:46:35,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500332324] [2022-10-16 13:46:35,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:35,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:46:35,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:35,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:46:35,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:46:35,764 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 6 states have internal predecessors, (23), 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 13:46:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:35,894 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2022-10-16 13:46:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:46:35,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 6 states have internal predecessors, (23), 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 27 [2022-10-16 13:46:35,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:35,896 INFO L225 Difference]: With dead ends: 41 [2022-10-16 13:46:35,896 INFO L226 Difference]: Without dead ends: 34 [2022-10-16 13:46:35,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:46:35,897 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 40 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:35,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 111 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:35,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-10-16 13:46:35,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-10-16 13:46:35,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 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 13:46:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2022-10-16 13:46:35,905 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 27 [2022-10-16 13:46:35,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:35,905 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2022-10-16 13:46:35,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 6 states have internal predecessors, (23), 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 13:46:35,905 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-10-16 13:46:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 13:46:35,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:35,906 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-10-16 13:46:35,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:46:35,907 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:35,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:35,908 INFO L85 PathProgramCache]: Analyzing trace with hash 263065761, now seen corresponding path program 1 times [2022-10-16 13:46:35,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:35,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102802618] [2022-10-16 13:46:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:46:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:36,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:36,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102802618] [2022-10-16 13:46:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102802618] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:36,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340130089] [2022-10-16 13:46:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:36,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:36,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:36,090 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 13:46:36,102 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 13:46:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:36,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 83 conjunts are in the unsatisfiable core [2022-10-16 13:46:36,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:46:36,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-10-16 13:46:36,432 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 19 treesize of output 7 [2022-10-16 13:46:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:36,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:46:36,547 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 34 treesize of output 28 [2022-10-16 13:46:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:46:36,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340130089] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:36,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:46:36,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 9] total 18 [2022-10-16 13:46:36,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022172639] [2022-10-16 13:46:36,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:36,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:46:36,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:36,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:46:36,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:46:36,619 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 13:46:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:36,810 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-10-16 13:46:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:46:36,811 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-10-16 13:46:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:36,812 INFO L225 Difference]: With dead ends: 34 [2022-10-16 13:46:36,812 INFO L226 Difference]: Without dead ends: 33 [2022-10-16 13:46:36,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2022-10-16 13:46:36,813 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 26 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:36,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 132 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:46:36,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-10-16 13:46:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-10-16 13:46:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 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 13:46:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2022-10-16 13:46:36,822 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2022-10-16 13:46:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:36,822 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2022-10-16 13:46:36,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 13:46:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-10-16 13:46:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 13:46:36,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:36,823 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2022-10-16 13:46:36,866 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 13:46:37,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:37,037 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:37,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash -434895904, now seen corresponding path program 1 times [2022-10-16 13:46:37,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:37,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465748526] [2022-10-16 13:46:37,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:37,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:46:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:37,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:37,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465748526] [2022-10-16 13:46:37,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465748526] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:37,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439090579] [2022-10-16 13:46:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:37,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:37,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:37,246 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 13:46:37,266 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 13:46:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:37,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 133 conjunts are in the unsatisfiable core [2022-10-16 13:46:37,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:46:37,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-10-16 13:46:38,547 WARN L855 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_360 Int) (v_ArrVal_359 Int)) (and (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_359) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_360)) |c_#memory_int|) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2022-10-16 13:46:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:38,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-10-16 13:46:38,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 13:46:38,755 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 13:46:38,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 28 [2022-10-16 13:46:38,840 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 13:46:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:38,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:46:44,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439090579] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:44,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:46:44,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17] total 22 [2022-10-16 13:46:44,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999006050] [2022-10-16 13:46:44,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:46:44,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 13:46:44,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:44,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 13:46:44,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=732, Unknown=3, NotChecked=54, Total=870 [2022-10-16 13:46:44,143 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 18 states have internal predecessors, (54), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 13:46:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:47,883 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2022-10-16 13:46:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 13:46:47,883 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 18 states have internal predecessors, (54), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2022-10-16 13:46:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:47,884 INFO L225 Difference]: With dead ends: 55 [2022-10-16 13:46:47,884 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 13:46:47,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=209, Invalid=1512, Unknown=5, NotChecked=80, Total=1806 [2022-10-16 13:46:47,887 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 54 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:47,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 107 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 291 Invalid, 0 Unknown, 43 Unchecked, 0.2s Time] [2022-10-16 13:46:47,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 13:46:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 13:46:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 13:46:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 13:46:47,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-10-16 13:46:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:47,889 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 13:46:47,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 18 states have internal predecessors, (54), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 13:46:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 13:46:47,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 13:46:47,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-10-16 13:46:47,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-10-16 13:46:47,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-10-16 13:46:47,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-10-16 13:46:47,932 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 13:46:48,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:48,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 13:46:48,486 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-10-16 13:46:48,486 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2022-10-16 13:46:48,486 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2022-10-16 13:46:48,486 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L667(line 667) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L667-1(line 667) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L659(line 659) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L659-1(line 659) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 718) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 687) no Hoare annotation was computed. [2022-10-16 13:46:48,487 INFO L899 garLoopResultBuilder]: For program point L717-2(lines 717 718) no Hoare annotation was computed. [2022-10-16 13:46:48,488 INFO L895 garLoopResultBuilder]: At program point L746(lines 738 747) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|))) (or (and .cse0 (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0)) (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (.cse2 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12))) (and (<= .cse1 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) .cse0 (<= .cse2 1) (<= 1 .cse1) (<= 1 .cse2) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)))))) [2022-10-16 13:46:48,488 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 683) no Hoare annotation was computed. [2022-10-16 13:46:48,488 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 743) no Hoare annotation was computed. [2022-10-16 13:46:48,488 INFO L899 garLoopResultBuilder]: For program point L709(lines 709 714) no Hoare annotation was computed. [2022-10-16 13:46:48,488 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 708) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0))) [2022-10-16 13:46:48,489 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 703) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-10-16 13:46:48,489 INFO L902 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: true [2022-10-16 13:46:48,490 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 765) no Hoare annotation was computed. [2022-10-16 13:46:48,490 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 732) no Hoare annotation was computed. [2022-10-16 13:46:48,490 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 704) no Hoare annotation was computed. [2022-10-16 13:46:48,490 INFO L895 garLoopResultBuilder]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset|)))) (and (<= .cse0 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.offset| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= 1 .cse0))) [2022-10-16 13:46:48,491 INFO L895 garLoopResultBuilder]: At program point L726-1(lines 721 727) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|)))) (and (<= .cse0 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (<= 1 .cse0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)))) [2022-10-16 13:46:48,491 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2022-10-16 13:46:48,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 13:46:48,492 INFO L902 garLoopResultBuilder]: At program point L669(lines 663 670) the Hoare annotation is: true [2022-10-16 13:46:48,492 INFO L895 garLoopResultBuilder]: At program point L731(lines 728 737) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|)))) (and (<= .cse0 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (<= 1 .cse0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)))) [2022-10-16 13:46:48,492 INFO L895 garLoopResultBuilder]: At program point L661(lines 655 662) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_entry_point_~kobj~2#1.offset| 12)) (.cse0 (select |#memory_int| |ULTIMATE.start_entry_point_~kobj~2#1.base|))) (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|) (< (select .cse0 .cse1) 2147483649) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (not (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.base| 0)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12)) (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0)) (= |ULTIMATE.start_entry_point_~kobj~2#1.offset| 0) (= .cse1 |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= (select (select |#memory_int| |ULTIMATE.start_ldv_atomic_add_return_~v#1.base|) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) |ULTIMATE.start_ldv_atomic_add_return_~temp~0#1|) (= |ULTIMATE.start_ldv_atomic_add_return_~v#1.base| |ULTIMATE.start_entry_point_~kobj~2#1.base|) (<= 1 |ULTIMATE.start_ldv_atomic_add_return_~i#1|) (= |ULTIMATE.start_entry_point_~kobj~2#1.base| |ULTIMATE.start_ldv_kobject_get_~kobj#1.base|) (<= 2 (select .cse0 12)))) [2022-10-16 13:46:48,492 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 724) no Hoare annotation was computed. [2022-10-16 13:46:48,492 INFO L902 garLoopResultBuilder]: At program point L690(lines 688 691) the Hoare annotation is: true [2022-10-16 13:46:48,493 INFO L895 garLoopResultBuilder]: At program point L719(lines 715 720) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|)) (.cse2 (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0)) (.cse1 (= |ULTIMATE.start_entry_point_~kobj~2#1.offset| 0))) (or (and .cse0 (= |ULTIMATE.start_entry_point_~kobj~2#1.base| 0) .cse1 .cse2) (let ((.cse4 (+ |ULTIMATE.start_entry_point_~kobj~2#1.offset| 12)) (.cse3 (select |#memory_int| |ULTIMATE.start_entry_point_~kobj~2#1.base|))) (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) .cse0 (< (select .cse3 .cse4) 2147483649) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (not (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.base| 0)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12)) (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not .cse2) .cse1 (= .cse4 |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= (select (select |#memory_int| |ULTIMATE.start_ldv_atomic_add_return_~v#1.base|) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) |ULTIMATE.start_ldv_atomic_add_return_~temp~0#1|) (= |ULTIMATE.start_ldv_atomic_add_return_~v#1.base| |ULTIMATE.start_entry_point_~kobj~2#1.base|) (<= 1 |ULTIMATE.start_ldv_atomic_add_return_~i#1|) (= |ULTIMATE.start_entry_point_~kobj~2#1.base| |ULTIMATE.start_ldv_kobject_get_~kobj#1.base|) (<= 2 (select .cse3 12)))))) [2022-10-16 13:46:48,493 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 713) no Hoare annotation was computed. [2022-10-16 13:46:48,493 INFO L902 garLoopResultBuilder]: At program point L678(lines 671 679) the Hoare annotation is: true [2022-10-16 13:46:48,493 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 677) no Hoare annotation was computed. [2022-10-16 13:46:48,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2022-10-16 13:46:48,493 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 762) no Hoare annotation was computed. [2022-10-16 13:46:48,494 INFO L902 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: true [2022-10-16 13:46:48,494 INFO L899 garLoopResultBuilder]: For program point L741-1(line 741) no Hoare annotation was computed. [2022-10-16 13:46:48,494 INFO L895 garLoopResultBuilder]: At program point LDV_INIT_LIST_HEADENTRY(lines 538 542) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-10-16 13:46:48,495 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADFINAL(lines 538 542) no Hoare annotation was computed. [2022-10-16 13:46:48,495 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADEXIT(lines 538 542) no Hoare annotation was computed. [2022-10-16 13:46:48,499 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:48,502 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 13:46:48,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:46:48 BoogieIcfgContainer [2022-10-16 13:46:48,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 13:46:48,547 INFO L158 Benchmark]: Toolchain (without parser) took 21415.59ms. Allocated memory was 151.0MB in the beginning and 183.5MB in the end (delta: 32.5MB). Free memory was 123.7MB in the beginning and 155.0MB in the end (delta: -31.2MB). Peak memory consumption was 101.3MB. Max. memory is 8.0GB. [2022-10-16 13:46:48,548 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 122.3MB in the end (delta: 83.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 13:46:48,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.95ms. Allocated memory is still 151.0MB. Free memory was 123.6MB in the beginning and 102.4MB in the end (delta: 21.2MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-10-16 13:46:48,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.42ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 99.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 13:46:48,550 INFO L158 Benchmark]: Boogie Preprocessor took 63.44ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 131.9MB in the end (delta: -32.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-16 13:46:48,550 INFO L158 Benchmark]: RCFGBuilder took 645.57ms. Allocated memory is still 151.0MB. Free memory was 131.9MB in the beginning and 113.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 13:46:48,551 INFO L158 Benchmark]: TraceAbstraction took 19890.33ms. Allocated memory was 151.0MB in the beginning and 183.5MB in the end (delta: 32.5MB). Free memory was 113.0MB in the beginning and 155.0MB in the end (delta: -42.0MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. [2022-10-16 13:46:48,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 122.3MB in the end (delta: 83.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 735.95ms. Allocated memory is still 151.0MB. Free memory was 123.6MB in the beginning and 102.4MB in the end (delta: 21.2MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.42ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 99.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.44ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 131.9MB in the end (delta: -32.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 645.57ms. Allocated memory is still 151.0MB. Free memory was 131.9MB in the beginning and 113.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 19890.33ms. Allocated memory was 151.0MB in the beginning and 183.5MB in the end (delta: 32.5MB). Free memory was 113.0MB in the beginning and 155.0MB in the end (delta: -42.0MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 450 mSDsluCounter, 1907 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 129 IncrementalHoareTripleChecker+Unchecked, 1488 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1034 IncrementalHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 419 mSDtfsCounter, 1034 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 75 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 17 PreInvPairs, 36 NumberOfFragments, 381 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 257 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 377 ConstructedInterpolants, 6 QuantifiedInterpolants, 1548 SizeOfPredicates, 166 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 386 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 4/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((((((((((((((((0 == kobj && !(kobj == 0)) && 0 == \result) && unknown-#memory_int-unknown[kobj][kobj + 12] < 2147483649) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[\result][12]) && kobj == 0) && !(kobj == 0)) && !(\result == 0)) && kobj == 0) && kobj + 12 == v) && !(kobj == 0)) && unknown-#memory_int-unknown[v][v] <= temp) && v == kobj) && 1 <= i) && kobj == kobj) && 2 <= unknown-#memory_int-unknown[kobj][12] - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (0 == \result && \result == 0) || ((((((((unknown-#memory_int-unknown[kobj][12 + kobj] <= 1 && 0 == kobj) && !(kobj == 0)) && 0 == \result) && unknown-#memory_int-unknown[\result][12] <= 1) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && 1 <= unknown-#memory_int-unknown[\result][12]) && !(kobj == 0)) && !(kobj == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 == kobj && !(kobj == 0) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((0 == \result && kobj == 0) && kobj == 0) && \result == 0) || (((((((((((((((((0 == kobj && !(kobj == 0)) && 0 == \result) && unknown-#memory_int-unknown[kobj][kobj + 12] < 2147483649) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[\result][12]) && kobj == 0) && !(kobj == 0)) && !(\result == 0)) && kobj == 0) && kobj + 12 == v) && !(kobj == 0)) && unknown-#memory_int-unknown[v][v] <= temp) && v == kobj) && 1 <= i) && kobj == kobj) && 2 <= unknown-#memory_int-unknown[kobj][12]) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((unknown-#memory_int-unknown[kobj][12 + kobj] <= 1 && 0 == kobj) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && !(kobj == 0) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((((unknown-#memory_int-unknown[kobj][12 + kobj] <= 1 && 0 == kobj) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && !(kobj == 0) RESULT: Ultimate proved your program to be correct! [2022-10-16 13:46:48,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...