/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-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/xcsp/AllInterval-006.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:01:34,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:01:34,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:01:34,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:01:34,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:01:34,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:01:34,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:01:34,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:01:34,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:01:34,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:01:34,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:01:34,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:01:34,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:01:34,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:01:34,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:01:34,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:01:34,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:01:34,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:01:34,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:01:34,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:01:34,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:01:34,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:01:34,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:01:34,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:01:34,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 18:01:34,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:01:34,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:01:34,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:01:34,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:01:34,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:01:34,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:01:34,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:01:34,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:01:34,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:01:34,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:01:34,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:01:34,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 18:01:35,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:01:35,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:01:35,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:01:35,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:01:35,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:01:35,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:01:35,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:01:35,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:01:35,070 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:01:35,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:01:35,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:01:35,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:01:35,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:01:35,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:01:35,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:01:35,072 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:01:35,073 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:01:35,073 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:01:35,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:01:35,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:01:35,074 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:01:35,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:01:35,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:01:35,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:01:35,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:01:35,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:35,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:01:35,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:01:35,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:01:35,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:01:35,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:01:35,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:01:35,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:01:35,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:01:35,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:01:35,544 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:01:35,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-006.c [2022-10-15 18:01:35,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa94b356e/95389b87b630480c99e8b2bd4e557160/FLAG155b19852 [2022-10-15 18:01:36,273 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:01:36,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c [2022-10-15 18:01:36,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa94b356e/95389b87b630480c99e8b2bd4e557160/FLAG155b19852 [2022-10-15 18:01:36,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa94b356e/95389b87b630480c99e8b2bd4e557160 [2022-10-15 18:01:36,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:01:36,604 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:01:36,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:36,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:01:36,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:01:36,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecd4605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:36, skipping insertion in model container [2022-10-15 18:01:36,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:36" (1/1) ... [2022-10-15 18:01:36,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:01:36,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:01:36,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c[3098,3111] [2022-10-15 18:01:36,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:36,911 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:01:36,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c[3098,3111] [2022-10-15 18:01:36,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:37,013 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:01:37,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37 WrapperNode [2022-10-15 18:01:37,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:37,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:37,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:01:37,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:01:37,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,119 INFO L138 Inliner]: procedures = 13, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 144 [2022-10-15 18:01:37,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:37,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:01:37,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:01:37,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:01:37,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:01:37,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:01:37,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:01:37,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:01:37,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:37,256 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) [2022-10-15 18:01:37,280 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 [2022-10-15 18:01:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:01:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:01:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:01:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:01:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:01:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:01:37,466 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:01:37,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:01:37,840 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:01:37,856 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:01:37,856 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:01:37,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:37 BoogieIcfgContainer [2022-10-15 18:01:37,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:01:37,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:01:37,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:01:37,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:01:37,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:01:36" (1/3) ... [2022-10-15 18:01:37,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b19b974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:01:37, skipping insertion in model container [2022-10-15 18:01:37,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (2/3) ... [2022-10-15 18:01:37,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b19b974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:01:37, skipping insertion in model container [2022-10-15 18:01:37,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:37" (3/3) ... [2022-10-15 18:01:37,875 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-006.c [2022-10-15 18:01:37,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:01:37,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:01:38,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:01:38,015 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@409bae8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:01:38,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:01:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 36 states have internal predecessors, (42), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-10-15 18:01:38,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-10-15 18:01:38,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:38,079 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2022-10-15 18:01:38,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:38,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1747977716, now seen corresponding path program 1 times [2022-10-15 18:01:38,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396121260] [2022-10-15 18:01:38,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:38,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:01:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:01:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:01:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:01:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 18:01:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 18:01:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-15 18:01:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 18:01:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 18:01:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 18:01:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-15 18:01:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 18:01:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 18:01:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-15 18:01:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 18:01:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-15 18:01:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-15 18:01:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-15 18:01:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 18:01:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 18:01:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 18:01:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 18:01:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 18:01:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 18:01:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 18:01:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 18:01:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-15 18:01:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-15 18:01:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-15 18:01:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 18:01:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 18:01:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 18:01:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2022-10-15 18:01:38,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:38,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396121260] [2022-10-15 18:01:38,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396121260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:01:38,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:01:38,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:01:39,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4766106] [2022-10-15 18:01:39,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:01:39,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:01:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:01:39,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:01:39,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:39,059 INFO L87 Difference]: Start difference. First operand has 90 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 36 states have internal predecessors, (42), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2022-10-15 18:01:39,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:01:39,097 INFO L93 Difference]: Finished difference Result 86 states and 141 transitions. [2022-10-15 18:01:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:01:39,100 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) Word has length 289 [2022-10-15 18:01:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:01:39,110 INFO L225 Difference]: With dead ends: 86 [2022-10-15 18:01:39,110 INFO L226 Difference]: Without dead ends: 86 [2022-10-15 18:01:39,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:39,116 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 18:01:39,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:01:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-10-15 18:01:39,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-10-15 18:01:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-10-15 18:01:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 141 transitions. [2022-10-15 18:01:39,186 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 141 transitions. Word has length 289 [2022-10-15 18:01:39,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:01:39,186 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 141 transitions. [2022-10-15 18:01:39,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2022-10-15 18:01:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2022-10-15 18:01:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-10-15 18:01:39,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:39,195 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2022-10-15 18:01:39,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:01:39,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:39,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:39,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1414834752, now seen corresponding path program 1 times [2022-10-15 18:01:39,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:39,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290369005] [2022-10-15 18:01:39,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:39,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:01:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:01:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:01:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:01:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 18:01:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 18:01:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-15 18:01:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 18:01:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 18:01:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 18:01:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-15 18:01:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 18:01:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 18:01:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-15 18:01:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 18:01:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-15 18:01:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-15 18:01:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-15 18:01:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 18:01:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 18:01:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 18:01:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 18:01:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 18:01:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 18:01:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 18:01:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 18:01:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-15 18:01:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-15 18:01:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-15 18:01:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 18:01:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 18:01:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 18:01:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 684 proven. 576 refuted. 0 times theorem prover too weak. 4044 trivial. 0 not checked. [2022-10-15 18:01:44,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:44,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290369005] [2022-10-15 18:01:44,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290369005] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 18:01:44,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002193509] [2022-10-15 18:01:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:44,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:01:44,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:44,931 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) [2022-10-15 18:01:44,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 18:01:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:45,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 84 conjunts are in the unsatisfiable core [2022-10-15 18:01:45,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:01:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 930 proven. 591 refuted. 0 times theorem prover too weak. 3783 trivial. 0 not checked. [2022-10-15 18:01:47,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 18:01:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 819 proven. 621 refuted. 0 times theorem prover too weak. 3864 trivial. 0 not checked. [2022-10-15 18:01:50,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002193509] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 18:01:50,326 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 18:01:50,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 29] total 74 [2022-10-15 18:01:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821086376] [2022-10-15 18:01:50,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 18:01:50,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-10-15 18:01:50,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:01:50,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-10-15 18:01:50,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=5021, Unknown=0, NotChecked=0, Total=5402 [2022-10-15 18:01:50,346 INFO L87 Difference]: Start difference. First operand 86 states and 141 transitions. Second operand has 74 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 56 states have internal predecessors, (84), 42 states have call successors, (143), 1 states have call predecessors, (143), 2 states have return successors, (144), 38 states have call predecessors, (144), 42 states have call successors, (144) [2022-10-15 18:02:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:02:04,625 INFO L93 Difference]: Finished difference Result 152 states and 226 transitions. [2022-10-15 18:02:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-15 18:02:04,626 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 56 states have internal predecessors, (84), 42 states have call successors, (143), 1 states have call predecessors, (143), 2 states have return successors, (144), 38 states have call predecessors, (144), 42 states have call successors, (144) Word has length 289 [2022-10-15 18:02:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:02:04,632 INFO L225 Difference]: With dead ends: 152 [2022-10-15 18:02:04,632 INFO L226 Difference]: Without dead ends: 152 [2022-10-15 18:02:04,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 644 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2175 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=2577, Invalid=10763, Unknown=0, NotChecked=0, Total=13340 [2022-10-15 18:02:04,639 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 541 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 5777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 5058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-15 18:02:04,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 1128 Invalid, 5777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [719 Valid, 5058 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-15 18:02:04,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-10-15 18:02:04,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 102. [2022-10-15 18:02:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-10-15 18:02:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 164 transitions. [2022-10-15 18:02:04,668 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 164 transitions. Word has length 289 [2022-10-15 18:02:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:02:04,671 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 164 transitions. [2022-10-15 18:02:04,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 56 states have internal predecessors, (84), 42 states have call successors, (143), 1 states have call predecessors, (143), 2 states have return successors, (144), 38 states have call predecessors, (144), 42 states have call successors, (144) [2022-10-15 18:02:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2022-10-15 18:02:04,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-10-15 18:02:04,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:02:04,679 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2022-10-15 18:02:04,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 18:02:04,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:02:04,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:02:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:02:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash 605488126, now seen corresponding path program 1 times [2022-10-15 18:02:04,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:02:04,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239291501] [2022-10-15 18:02:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:02:04,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:02:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:02:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:02:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:02:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:02:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:02:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:02:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:02:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:02:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:02:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:02:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:02:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:02:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:02:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:02:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:02:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:02:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:02:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:02:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:02:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:02:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:02:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:02:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:02:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:02:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 18:02:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 18:02:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-15 18:02:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 18:02:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 18:02:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 18:02:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-15 18:02:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 18:02:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 18:02:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-15 18:02:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 18:02:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-15 18:02:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-15 18:02:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-15 18:02:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 18:02:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 18:02:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 18:02:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 18:02:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 18:02:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 18:02:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 18:02:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 18:02:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-15 18:02:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-15 18:02:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-15 18:02:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 18:02:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 18:02:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 18:02:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 927 proven. 513 refuted. 0 times theorem prover too weak. 3864 trivial. 0 not checked. [2022-10-15 18:02:11,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:02:11,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239291501] [2022-10-15 18:02:11,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239291501] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 18:02:11,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516670007] [2022-10-15 18:02:11,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:02:11,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:02:11,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:02:11,295 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) [2022-10-15 18:02:11,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 18:02:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:02:11,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 85 conjunts are in the unsatisfiable core [2022-10-15 18:02:11,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:02:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1200 proven. 486 refuted. 0 times theorem prover too weak. 3618 trivial. 0 not checked. [2022-10-15 18:02:14,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 18:02:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 996 proven. 525 refuted. 0 times theorem prover too weak. 3783 trivial. 0 not checked. [2022-10-15 18:02:18,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516670007] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 18:02:18,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 18:02:18,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 28] total 72 [2022-10-15 18:02:18,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956640860] [2022-10-15 18:02:18,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 18:02:18,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-10-15 18:02:18,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:02:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-10-15 18:02:18,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=4753, Unknown=0, NotChecked=0, Total=5112 [2022-10-15 18:02:18,554 INFO L87 Difference]: Start difference. First operand 102 states and 164 transitions. Second operand has 72 states, 51 states have (on average 1.588235294117647) internal successors, (81), 47 states have internal predecessors, (81), 41 states have call successors, (141), 2 states have call predecessors, (141), 3 states have return successors, (142), 38 states have call predecessors, (142), 41 states have call successors, (142)