/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/recursive-simple/fibo_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:10:59,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:10:59,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:10:59,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:10:59,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:10:59,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:10:59,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:10:59,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:10:59,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:10:59,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:10:59,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:10:59,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:10:59,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:10:59,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:10:59,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:10:59,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:10:59,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:10:59,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:10:59,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:10:59,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:10:59,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:10:59,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:10:59,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:10:59,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:10:59,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:10:59,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 17:10:59,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 17:10:59,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 17:10:59,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 17:10:59,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 17:10:59,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 17:10:59,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 17:10:59,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 17:10:59,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:10:59,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:10:59,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:10:59,919 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 17:10:59,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:10:59,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:10:59,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:10:59,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:10:59,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:10:59,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:10:59,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:10:59,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:10:59,986 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:10:59,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:10:59,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:10:59,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:10:59,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:10:59,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:10:59,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:10:59,989 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:10:59,989 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:10:59,989 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:10:59,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:10:59,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:10:59,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:10:59,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:10:59,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:10:59,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:10:59,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:10:59,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:10:59,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:10:59,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:10:59,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:10:59,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:10:59,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:11:00,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:11:00,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:11:00,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:11:00,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:11:00,486 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:11:00,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2022-10-15 17:11:00,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555729587/969e92fa940647669fa357e1f9faabd1/FLAG080c7a314 [2022-10-15 17:11:01,296 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:11:01,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2022-10-15 17:11:01,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555729587/969e92fa940647669fa357e1f9faabd1/FLAG080c7a314 [2022-10-15 17:11:01,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555729587/969e92fa940647669fa357e1f9faabd1 [2022-10-15 17:11:01,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:11:01,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:11:01,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:11:01,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:11:01,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:11:01,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d824df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01, skipping insertion in model container [2022-10-15 17:11:01,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:11:01,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:11:01,869 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/recursive-simple/fibo_15-1.c[744,757] [2022-10-15 17:11:01,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:11:01,886 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:11:01,904 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/recursive-simple/fibo_15-1.c[744,757] [2022-10-15 17:11:01,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:11:01,924 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:11:01,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01 WrapperNode [2022-10-15 17:11:01,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:11:01,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:11:01,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:11:01,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:11:01,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,971 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-15 17:11:01,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:11:01,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:11:01,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:11:01,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:11:01,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:01,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:11:01,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:11:01,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:11:01,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:11:01,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (1/1) ... [2022-10-15 17:11:02,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:11:02,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:02,042 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 17:11:02,066 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 17:11:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:11:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:11:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:11:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:11:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2022-10-15 17:11:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2022-10-15 17:11:02,214 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:11:02,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:11:02,413 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:11:02,432 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:11:02,433 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:11:02,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:11:02 BoogieIcfgContainer [2022-10-15 17:11:02,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:11:02,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:11:02,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:11:02,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:11:02,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:11:01" (1/3) ... [2022-10-15 17:11:02,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c943098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:11:02, skipping insertion in model container [2022-10-15 17:11:02,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:11:01" (2/3) ... [2022-10-15 17:11:02,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c943098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:11:02, skipping insertion in model container [2022-10-15 17:11:02,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:11:02" (3/3) ... [2022-10-15 17:11:02,452 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_15-1.c [2022-10-15 17:11:02,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:11:02,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:11:02,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:11:02,624 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;@32fc67ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:11:02,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:11:02,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-15 17:11:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 17:11:02,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:02,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:02,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:02,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:02,700 INFO L85 PathProgramCache]: Analyzing trace with hash 904384931, now seen corresponding path program 1 times [2022-10-15 17:11:02,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:02,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077725851] [2022-10-15 17:11:02,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:02,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:11:03,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:03,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077725851] [2022-10-15 17:11:03,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077725851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:11:03,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:11:03,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:11:03,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815861068] [2022-10-15 17:11:03,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:11:03,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:11:03,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:03,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:11:03,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:11:03,359 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-10-15 17:11:03,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:03,441 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-10-15 17:11:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:11:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2022-10-15 17:11:03,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:03,460 INFO L225 Difference]: With dead ends: 23 [2022-10-15 17:11:03,460 INFO L226 Difference]: Without dead ends: 21 [2022-10-15 17:11:03,463 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 [2022-10-15 17:11:03,468 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:03,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 45 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:11:03,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-10-15 17:11:03,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-10-15 17:11:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 17:11:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-10-15 17:11:03,527 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 10 [2022-10-15 17:11:03,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:03,527 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-10-15 17:11:03,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-10-15 17:11:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-10-15 17:11:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 17:11:03,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:03,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:03,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:11:03,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1314065684, now seen corresponding path program 1 times [2022-10-15 17:11:03,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:03,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598682433] [2022-10-15 17:11:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:11:03,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:03,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598682433] [2022-10-15 17:11:03,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598682433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:11:03,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:11:03,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:11:03,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709229418] [2022-10-15 17:11:03,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:11:03,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:11:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:03,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:11:03,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:11:03,728 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 17:11:03,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:03,812 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2022-10-15 17:11:03,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:11:03,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-10-15 17:11:03,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:03,816 INFO L225 Difference]: With dead ends: 23 [2022-10-15 17:11:03,816 INFO L226 Difference]: Without dead ends: 23 [2022-10-15 17:11:03,817 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 [2022-10-15 17:11:03,820 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:03,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 39 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:11:03,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-10-15 17:11:03,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-10-15 17:11:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 17:11:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-10-15 17:11:03,840 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-10-15 17:11:03,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:03,841 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-10-15 17:11:03,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 17:11:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-10-15 17:11:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-15 17:11:03,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:03,845 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:03,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:11:03,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:03,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1542136281, now seen corresponding path program 1 times [2022-10-15 17:11:03,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:03,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063611916] [2022-10-15 17:11:03,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 17:11:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 17:11:04,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:04,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063611916] [2022-10-15 17:11:04,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063611916] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:04,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002961112] [2022-10-15 17:11:04,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:04,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:04,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:04,182 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 17:11:04,213 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 17:11:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:04,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 17:11:04,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 17:11:04,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 17:11:04,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002961112] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:04,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:04,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2022-10-15 17:11:04,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803002783] [2022-10-15 17:11:04,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:04,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 17:11:04,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:04,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 17:11:04,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:11:04,721 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-15 17:11:04,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:04,855 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-10-15 17:11:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 17:11:04,856 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-10-15 17:11:04,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:04,857 INFO L225 Difference]: With dead ends: 23 [2022-10-15 17:11:04,857 INFO L226 Difference]: Without dead ends: 23 [2022-10-15 17:11:04,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-10-15 17:11:04,860 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 39 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:04,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 61 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:11:04,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-10-15 17:11:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-10-15 17:11:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 18 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 17:11:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-10-15 17:11:04,868 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 23 [2022-10-15 17:11:04,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:04,869 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-10-15 17:11:04,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-15 17:11:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-10-15 17:11:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-15 17:11:04,871 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:04,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:04,914 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 17:11:05,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:05,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:05,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:05,088 INFO L85 PathProgramCache]: Analyzing trace with hash 928132326, now seen corresponding path program 1 times [2022-10-15 17:11:05,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:05,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332870100] [2022-10-15 17:11:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:05,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 17:11:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:05,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332870100] [2022-10-15 17:11:05,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332870100] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:05,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189033584] [2022-10-15 17:11:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:05,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:05,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:05,406 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 17:11:05,429 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 17:11:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:05,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 17:11:05,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 17:11:05,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 17:11:05,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189033584] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:05,834 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:05,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2022-10-15 17:11:05,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395353636] [2022-10-15 17:11:05,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:05,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 17:11:05,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:05,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 17:11:05,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:11:05,837 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-15 17:11:05,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:05,951 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2022-10-15 17:11:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:11:05,954 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-10-15 17:11:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:05,961 INFO L225 Difference]: With dead ends: 37 [2022-10-15 17:11:05,962 INFO L226 Difference]: Without dead ends: 37 [2022-10-15 17:11:05,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:11:05,967 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 35 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:05,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 66 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:11:05,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-15 17:11:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-10-15 17:11:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 27 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-15 17:11:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2022-10-15 17:11:05,998 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 24 [2022-10-15 17:11:05,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:05,999 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2022-10-15 17:11:05,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-15 17:11:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2022-10-15 17:11:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 17:11:06,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:06,006 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:06,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-15 17:11:06,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-15 17:11:06,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:06,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:06,221 INFO L85 PathProgramCache]: Analyzing trace with hash 20539716, now seen corresponding path program 2 times [2022-10-15 17:11:06,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:06,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953698252] [2022-10-15 17:11:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-15 17:11:06,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:06,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953698252] [2022-10-15 17:11:06,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953698252] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:06,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549856154] [2022-10-15 17:11:06,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 17:11:06,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:06,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:06,489 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) [2022-10-15 17:11:06,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 17:11:06,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 17:11:06,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 17:11:06,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-15 17:11:06,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 17:11:06,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-15 17:11:07,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549856154] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:07,078 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:07,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2022-10-15 17:11:07,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125885361] [2022-10-15 17:11:07,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:07,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-15 17:11:07,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:07,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-15 17:11:07,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:11:07,082 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-10-15 17:11:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:07,282 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2022-10-15 17:11:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:11:07,283 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2022-10-15 17:11:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:07,288 INFO L225 Difference]: With dead ends: 41 [2022-10-15 17:11:07,288 INFO L226 Difference]: Without dead ends: 41 [2022-10-15 17:11:07,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:11:07,299 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:07,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 92 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:11:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-10-15 17:11:07,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-10-15 17:11:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2022-10-15 17:11:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2022-10-15 17:11:07,319 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 37 [2022-10-15 17:11:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:07,322 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2022-10-15 17:11:07,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-10-15 17:11:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-10-15 17:11:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:11:07,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:07,328 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:07,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 17:11:07,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:07,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:07,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:07,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1096059159, now seen corresponding path program 3 times [2022-10-15 17:11:07,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:07,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216319623] [2022-10-15 17:11:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-10-15 17:11:08,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:08,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216319623] [2022-10-15 17:11:08,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216319623] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:08,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290911260] [2022-10-15 17:11:08,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-15 17:11:08,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:08,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:08,066 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) [2022-10-15 17:11:08,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 17:11:08,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-10-15 17:11:08,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 17:11:08,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-15 17:11:08,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-10-15 17:11:08,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-10-15 17:11:08,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290911260] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:08,550 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:08,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2022-10-15 17:11:08,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671289689] [2022-10-15 17:11:08,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:08,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-15 17:11:08,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-15 17:11:08,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:11:08,553 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-10-15 17:11:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:08,736 INFO L93 Difference]: Finished difference Result 93 states and 138 transitions. [2022-10-15 17:11:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 17:11:08,736 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) Word has length 79 [2022-10-15 17:11:08,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:08,740 INFO L225 Difference]: With dead ends: 93 [2022-10-15 17:11:08,740 INFO L226 Difference]: Without dead ends: 93 [2022-10-15 17:11:08,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 170 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-10-15 17:11:08,742 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 68 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:08,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 83 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:11:08,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-10-15 17:11:08,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2022-10-15 17:11:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 16 states have call successors, (16), 7 states have call predecessors, (16), 11 states have return successors, (43), 21 states have call predecessors, (43), 16 states have call successors, (43) [2022-10-15 17:11:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2022-10-15 17:11:08,759 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 79 [2022-10-15 17:11:08,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:08,760 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2022-10-15 17:11:08,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-10-15 17:11:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2022-10-15 17:11:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-15 17:11:08,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:08,765 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:08,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 17:11:08,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:08,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:08,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:08,979 INFO L85 PathProgramCache]: Analyzing trace with hash 415114883, now seen corresponding path program 4 times [2022-10-15 17:11:08,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:08,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579358402] [2022-10-15 17:11:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:08,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-10-15 17:11:10,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:10,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579358402] [2022-10-15 17:11:10,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579358402] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:10,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475089178] [2022-10-15 17:11:10,024 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-15 17:11:10,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:10,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:11:10,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 17:11:10,137 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-15 17:11:10,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 17:11:10,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-15 17:11:10,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-10-15 17:11:10,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 573 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-10-15 17:11:11,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475089178] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:11,592 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:11,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 15] total 23 [2022-10-15 17:11:11,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591246005] [2022-10-15 17:11:11,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:11,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-15 17:11:11,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:11,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-15 17:11:11,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:11:11,596 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-10-15 17:11:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:11,783 INFO L93 Difference]: Finished difference Result 207 states and 346 transitions. [2022-10-15 17:11:11,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-15 17:11:11,784 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) Word has length 174 [2022-10-15 17:11:11,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:11,790 INFO L225 Difference]: With dead ends: 207 [2022-10-15 17:11:11,790 INFO L226 Difference]: Without dead ends: 207 [2022-10-15 17:11:11,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 383 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-10-15 17:11:11,792 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 85 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:11,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 112 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:11:11,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-10-15 17:11:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 195. [2022-10-15 17:11:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 126 states have (on average 1.1904761904761905) internal successors, (150), 126 states have internal predecessors, (150), 42 states have call successors, (42), 14 states have call predecessors, (42), 25 states have return successors, (137), 54 states have call predecessors, (137), 42 states have call successors, (137) [2022-10-15 17:11:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 329 transitions. [2022-10-15 17:11:11,825 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 329 transitions. Word has length 174 [2022-10-15 17:11:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:11,826 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 329 transitions. [2022-10-15 17:11:11,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-10-15 17:11:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 329 transitions. [2022-10-15 17:11:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-10-15 17:11:11,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:11,833 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:11,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 17:11:12,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:12,048 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash 647706620, now seen corresponding path program 5 times [2022-10-15 17:11:12,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:12,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608380285] [2022-10-15 17:11:12,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:12,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 17:11:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2022-10-15 17:11:13,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:13,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608380285] [2022-10-15 17:11:13,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608380285] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:13,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576708798] [2022-10-15 17:11:13,716 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-15 17:11:13,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:13,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:13,717 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:11:13,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 17:11:13,926 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2022-10-15 17:11:13,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 17:11:13,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-15 17:11:13,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 801 proven. 327 refuted. 0 times theorem prover too weak. 3440 trivial. 0 not checked. [2022-10-15 17:11:14,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 807 proven. 358 refuted. 0 times theorem prover too weak. 3403 trivial. 0 not checked. [2022-10-15 17:11:15,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576708798] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:15,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:15,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 26 [2022-10-15 17:11:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034226148] [2022-10-15 17:11:15,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:15,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-15 17:11:15,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:15,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-15 17:11:15,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=448, Unknown=0, NotChecked=0, Total=650 [2022-10-15 17:11:15,487 INFO L87 Difference]: Start difference. First operand 195 states and 329 transitions. Second operand has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-10-15 17:11:15,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:15,804 INFO L93 Difference]: Finished difference Result 115 states and 184 transitions. [2022-10-15 17:11:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-15 17:11:15,805 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) Word has length 283 [2022-10-15 17:11:15,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:15,812 INFO L225 Difference]: With dead ends: 115 [2022-10-15 17:11:15,813 INFO L226 Difference]: Without dead ends: 106 [2022-10-15 17:11:15,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 632 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2022-10-15 17:11:15,814 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 147 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:15,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 140 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:11:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-10-15 17:11:15,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 77. [2022-10-15 17:11:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (43), 15 states have call predecessors, (43), 13 states have call successors, (43) [2022-10-15 17:11:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2022-10-15 17:11:15,826 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 283 [2022-10-15 17:11:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:15,827 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2022-10-15 17:11:15,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-10-15 17:11:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2022-10-15 17:11:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2022-10-15 17:11:15,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:15,841 INFO L195 NwaCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 26, 16, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:15,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 17:11:16,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:16,055 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:16,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:16,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1480619657, now seen corresponding path program 6 times [2022-10-15 17:11:16,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:16,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635736775] [2022-10-15 17:11:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:16,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 17:11:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-15 17:11:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 17:11:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 1691 proven. 3390 refuted. 0 times theorem prover too weak. 14022 trivial. 0 not checked. [2022-10-15 17:11:20,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:20,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635736775] [2022-10-15 17:11:20,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635736775] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:20,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621582949] [2022-10-15 17:11:20,829 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-15 17:11:20,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:20,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:20,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:11:20,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 17:11:21,005 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2022-10-15 17:11:21,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 17:11:21,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-15 17:11:21,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 709 proven. 2234 refuted. 0 times theorem prover too weak. 16160 trivial. 0 not checked. [2022-10-15 17:11:21,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 715 proven. 2285 refuted. 0 times theorem prover too weak. 16103 trivial. 0 not checked. [2022-10-15 17:11:23,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621582949] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:23,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:23,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 11, 17] total 38 [2022-10-15 17:11:23,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829031261] [2022-10-15 17:11:23,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:23,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-15 17:11:23,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:23,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-15 17:11:23,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2022-10-15 17:11:23,581 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 38 states, 36 states have (on average 2.5277777777777777) internal successors, (91), 38 states have internal predecessors, (91), 27 states have call successors, (32), 1 states have call predecessors, (32), 15 states have return successors, (48), 28 states have call predecessors, (48), 27 states have call successors, (48) [2022-10-15 17:11:24,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:24,398 INFO L93 Difference]: Finished difference Result 126 states and 187 transitions. [2022-10-15 17:11:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-15 17:11:24,399 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 36 states have (on average 2.5277777777777777) internal successors, (91), 38 states have internal predecessors, (91), 27 states have call successors, (32), 1 states have call predecessors, (32), 15 states have return successors, (48), 28 states have call predecessors, (48), 27 states have call successors, (48) Word has length 569 [2022-10-15 17:11:24,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:24,402 INFO L225 Difference]: With dead ends: 126 [2022-10-15 17:11:24,403 INFO L226 Difference]: Without dead ends: 126 [2022-10-15 17:11:24,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1352 GetRequests, 1287 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=830, Invalid=2710, Unknown=0, NotChecked=0, Total=3540 [2022-10-15 17:11:24,406 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 199 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:24,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 280 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 17:11:24,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-10-15 17:11:24,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 119. [2022-10-15 17:11:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 84 states have (on average 1.0952380952380953) internal successors, (92), 83 states have internal predecessors, (92), 23 states have call successors, (23), 17 states have call predecessors, (23), 10 states have return successors, (55), 18 states have call predecessors, (55), 23 states have call successors, (55) [2022-10-15 17:11:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2022-10-15 17:11:24,419 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 569 [2022-10-15 17:11:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:24,420 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2022-10-15 17:11:24,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 36 states have (on average 2.5277777777777777) internal successors, (91), 38 states have internal predecessors, (91), 27 states have call successors, (32), 1 states have call predecessors, (32), 15 states have return successors, (48), 28 states have call predecessors, (48), 27 states have call successors, (48) [2022-10-15 17:11:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2022-10-15 17:11:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-10-15 17:11:24,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:24,457 INFO L195 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:24,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 17:11:24,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:24,672 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:24,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1757672705, now seen corresponding path program 7 times [2022-10-15 17:11:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:24,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415314191] [2022-10-15 17:11:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:24,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 17:11:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-15 17:11:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-10-15 17:11:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 17:11:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-15 17:11:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 17:11:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 17:11:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 17:11:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 17:11:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 17:11:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 17:11:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3273 proven. 6787 refuted. 0 times theorem prover too weak. 40850 trivial. 0 not checked. [2022-10-15 17:11:33,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:11:33,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415314191] [2022-10-15 17:11:33,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415314191] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:11:33,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96581650] [2022-10-15 17:11:33,088 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-10-15 17:11:33,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:11:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:11:33,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:11:33,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 17:11:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:33,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-15 17:11:33,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:11:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 724 proven. 5622 refuted. 0 times theorem prover too weak. 44564 trivial. 0 not checked. [2022-10-15 17:11:33,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:11:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 724 proven. 5722 refuted. 0 times theorem prover too weak. 44464 trivial. 0 not checked. [2022-10-15 17:11:38,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96581650] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:11:38,373 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:11:38,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 13, 21] total 44 [2022-10-15 17:11:38,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336661556] [2022-10-15 17:11:38,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:11:38,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-15 17:11:38,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:11:38,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-15 17:11:38,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2022-10-15 17:11:38,378 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 44 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 44 states have internal predecessors, (104), 34 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (57), 30 states have call predecessors, (57), 34 states have call successors, (57) [2022-10-15 17:11:39,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:11:39,339 INFO L93 Difference]: Finished difference Result 160 states and 235 transitions. [2022-10-15 17:11:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-15 17:11:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 44 states have internal predecessors, (104), 34 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (57), 30 states have call predecessors, (57), 34 states have call successors, (57) Word has length 923 [2022-10-15 17:11:39,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:11:39,344 INFO L225 Difference]: With dead ends: 160 [2022-10-15 17:11:39,344 INFO L226 Difference]: Without dead ends: 160 [2022-10-15 17:11:39,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2172 GetRequests, 2095 SyntacticMatches, 9 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1812 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1114, Invalid=3716, Unknown=0, NotChecked=0, Total=4830 [2022-10-15 17:11:39,349 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 298 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 17:11:39,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 306 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 17:11:39,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-10-15 17:11:39,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 136. [2022-10-15 17:11:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 96 states have (on average 1.0833333333333333) internal successors, (104), 95 states have internal predecessors, (104), 27 states have call successors, (27), 20 states have call predecessors, (27), 11 states have return successors, (68), 20 states have call predecessors, (68), 27 states have call successors, (68) [2022-10-15 17:11:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 199 transitions. [2022-10-15 17:11:39,367 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 199 transitions. Word has length 923 [2022-10-15 17:11:39,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:11:39,368 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 199 transitions. [2022-10-15 17:11:39,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 44 states have internal predecessors, (104), 34 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (57), 30 states have call predecessors, (57), 34 states have call successors, (57) [2022-10-15 17:11:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 199 transitions. [2022-10-15 17:11:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1387 [2022-10-15 17:11:39,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:11:39,385 INFO L195 NwaCegarLoop]: trace histogram [203, 203, 164, 101, 101, 101, 101, 101, 101, 101, 63, 39, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:11:39,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 17:11:39,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-15 17:11:39,593 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:11:39,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:11:39,594 INFO L85 PathProgramCache]: Analyzing trace with hash -75435768, now seen corresponding path program 8 times [2022-10-15 17:11:39,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:11:39,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407482918] [2022-10-15 17:11:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:11:39,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:11:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:11:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 17:11:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat