/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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 02:30:05,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 02:30:05,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 02:30:05,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 02:30:05,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 02:30:05,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 02:30:05,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 02:30:05,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 02:30:05,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 02:30:05,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 02:30:05,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 02:30:05,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 02:30:05,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 02:30:05,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 02:30:05,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 02:30:05,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 02:30:05,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 02:30:05,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 02:30:05,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 02:30:05,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 02:30:05,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 02:30:05,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 02:30:05,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 02:30:05,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 02:30:05,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 02:30:05,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 02:30:05,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 02:30:05,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 02:30:05,830 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 [2022-10-16 02:30:05,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 02:30:05,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 02:30:05,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 02:30:05,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 02:30:05,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 02:30:05,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 02:30:05,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 02:30:05,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 02:30:05,888 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 02:30:05,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 02:30:05,889 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 02:30:05,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 02:30:05,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 02:30:05,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 02:30:05,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 02:30:05,890 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 02:30:05,891 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 02:30:05,891 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 02:30:05,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 02:30:05,891 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 02:30:05,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 02:30:05,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 02:30:05,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 02:30:05,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 02:30:05,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 02:30:05,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:30:05,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 02:30:05,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 02:30:05,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 02:30:05,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 02:30:05,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 02:30:06,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 02:30:06,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 02:30:06,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 02:30:06,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 02:30:06,443 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 02:30:06,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2022-10-16 02:30:06,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ec560dc/2bae994371264b13a31f6987c2efeb35/FLAG55c5848ab [2022-10-16 02:30:07,160 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 02:30:07,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2022-10-16 02:30:07,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ec560dc/2bae994371264b13a31f6987c2efeb35/FLAG55c5848ab [2022-10-16 02:30:07,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ec560dc/2bae994371264b13a31f6987c2efeb35 [2022-10-16 02:30:07,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 02:30:07,509 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 02:30:07,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 02:30:07,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 02:30:07,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 02:30:07,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:07" (1/1) ... [2022-10-16 02:30:07,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be9132d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:07, skipping insertion in model container [2022-10-16 02:30:07,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:07" (1/1) ... [2022-10-16 02:30:07,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 02:30:07,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 02:30:07,900 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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c[12042,12055] [2022-10-16 02:30:07,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:30:07,922 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 02:30:07,996 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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c[12042,12055] [2022-10-16 02:30:07,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:30:08,034 INFO L208 MainTranslator]: Completed translation [2022-10-16 02:30:08,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08 WrapperNode [2022-10-16 02:30:08,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 02:30:08,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 02:30:08,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 02:30:08,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 02:30:08,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,110 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 415 [2022-10-16 02:30:08,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 02:30:08,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 02:30:08,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 02:30:08,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 02:30:08,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 02:30:08,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 02:30:08,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 02:30:08,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 02:30:08,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (1/1) ... [2022-10-16 02:30:08,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:30:08,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:08,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 02:30:08,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 02:30:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 02:30:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2022-10-16 02:30:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2022-10-16 02:30:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-16 02:30:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-16 02:30:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2022-10-16 02:30:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2022-10-16 02:30:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2022-10-16 02:30:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2022-10-16 02:30:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2022-10-16 02:30:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2022-10-16 02:30:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 02:30:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 02:30:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 02:30:08,411 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 02:30:08,414 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 02:30:09,175 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 02:30:09,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 02:30:09,186 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 02:30:09,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:09 BoogieIcfgContainer [2022-10-16 02:30:09,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 02:30:09,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 02:30:09,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 02:30:09,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 02:30:09,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:30:07" (1/3) ... [2022-10-16 02:30:09,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114269e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:09, skipping insertion in model container [2022-10-16 02:30:09,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:08" (2/3) ... [2022-10-16 02:30:09,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114269e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:09, skipping insertion in model container [2022-10-16 02:30:09,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:09" (3/3) ... [2022-10-16 02:30:09,200 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2022-10-16 02:30:09,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 02:30:09,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 02:30:09,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 02:30:09,300 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;@6ab053b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 02:30:09,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 02:30:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 146 states have (on average 1.6164383561643836) internal successors, (236), 151 states have internal predecessors, (236), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 02:30:09,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 02:30:09,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:09,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:09,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:09,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 702816628, now seen corresponding path program 1 times [2022-10-16 02:30:09,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:09,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74638464] [2022-10-16 02:30:09,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:09,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:09,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74638464] [2022-10-16 02:30:09,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74638464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:09,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:09,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:09,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536381352] [2022-10-16 02:30:09,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:09,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:09,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:09,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:09,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:09,750 INFO L87 Difference]: Start difference. First operand has 186 states, 146 states have (on average 1.6164383561643836) internal successors, (236), 151 states have internal predecessors, (236), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:30:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:09,918 INFO L93 Difference]: Finished difference Result 194 states and 303 transitions. [2022-10-16 02:30:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:09,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-16 02:30:09,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:09,944 INFO L225 Difference]: With dead ends: 194 [2022-10-16 02:30:09,944 INFO L226 Difference]: Without dead ends: 192 [2022-10-16 02:30:09,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:09,955 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 18 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:09,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 835 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:30:09,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-16 02:30:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2022-10-16 02:30:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 150 states have (on average 1.5333333333333334) internal successors, (230), 154 states have internal predecessors, (230), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 02:30:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 294 transitions. [2022-10-16 02:30:10,052 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 294 transitions. Word has length 15 [2022-10-16 02:30:10,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:10,053 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 294 transitions. [2022-10-16 02:30:10,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:30:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 294 transitions. [2022-10-16 02:30:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 02:30:10,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:10,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:10,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 02:30:10,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:10,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:10,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1209832449, now seen corresponding path program 1 times [2022-10-16 02:30:10,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:10,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320289988] [2022-10-16 02:30:10,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:10,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:10,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:10,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320289988] [2022-10-16 02:30:10,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320289988] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:10,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:10,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:10,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358849973] [2022-10-16 02:30:10,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:10,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:10,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:10,183 INFO L87 Difference]: Start difference. First operand 190 states and 294 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:30:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:10,265 INFO L93 Difference]: Finished difference Result 206 states and 315 transitions. [2022-10-16 02:30:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:10,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 02:30:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:10,269 INFO L225 Difference]: With dead ends: 206 [2022-10-16 02:30:10,269 INFO L226 Difference]: Without dead ends: 206 [2022-10-16 02:30:10,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:10,271 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 25 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:10,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 850 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:10,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-10-16 02:30:10,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2022-10-16 02:30:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 161 states have (on average 1.515527950310559) internal successors, (244), 165 states have internal predecessors, (244), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-10-16 02:30:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 310 transitions. [2022-10-16 02:30:10,292 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 310 transitions. Word has length 16 [2022-10-16 02:30:10,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:10,293 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 310 transitions. [2022-10-16 02:30:10,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:30:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 310 transitions. [2022-10-16 02:30:10,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 02:30:10,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:10,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:10,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 02:30:10,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:10,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:10,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1439228717, now seen corresponding path program 1 times [2022-10-16 02:30:10,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:10,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487495595] [2022-10-16 02:30:10,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:10,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:10,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487495595] [2022-10-16 02:30:10,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487495595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:10,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:10,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:30:10,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42619939] [2022-10-16 02:30:10,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:10,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:30:10,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:10,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:30:10,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:30:10,423 INFO L87 Difference]: Start difference. First operand 203 states and 310 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 02:30:10,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:10,443 INFO L93 Difference]: Finished difference Result 232 states and 355 transitions. [2022-10-16 02:30:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:30:10,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 02:30:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:10,447 INFO L225 Difference]: With dead ends: 232 [2022-10-16 02:30:10,448 INFO L226 Difference]: Without dead ends: 232 [2022-10-16 02:30:10,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:30:10,450 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 22 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:10,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 574 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:10,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-10-16 02:30:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 205. [2022-10-16 02:30:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 163 states have (on average 1.50920245398773) internal successors, (246), 167 states have internal predecessors, (246), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-10-16 02:30:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 312 transitions. [2022-10-16 02:30:10,472 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 312 transitions. Word has length 16 [2022-10-16 02:30:10,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:10,473 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 312 transitions. [2022-10-16 02:30:10,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 02:30:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 312 transitions. [2022-10-16 02:30:10,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 02:30:10,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:10,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:10,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 02:30:10,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:10,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:10,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1726003740, now seen corresponding path program 1 times [2022-10-16 02:30:10,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:10,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460164822] [2022-10-16 02:30:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:10,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:10,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460164822] [2022-10-16 02:30:10,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460164822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:10,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:10,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:10,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973227606] [2022-10-16 02:30:10,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:10,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:10,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:10,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:10,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:10,612 INFO L87 Difference]: Start difference. First operand 205 states and 312 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:10,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:10,661 INFO L93 Difference]: Finished difference Result 314 states and 489 transitions. [2022-10-16 02:30:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:10,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-10-16 02:30:10,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:10,666 INFO L225 Difference]: With dead ends: 314 [2022-10-16 02:30:10,666 INFO L226 Difference]: Without dead ends: 312 [2022-10-16 02:30:10,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:10,668 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 134 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:10,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 884 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-10-16 02:30:10,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 206. [2022-10-16 02:30:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 164 states have (on average 1.4817073170731707) internal successors, (243), 168 states have internal predecessors, (243), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-10-16 02:30:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 309 transitions. [2022-10-16 02:30:10,707 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 309 transitions. Word has length 24 [2022-10-16 02:30:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:10,707 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 309 transitions. [2022-10-16 02:30:10,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 309 transitions. [2022-10-16 02:30:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 02:30:10,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:10,713 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:10,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 02:30:10,713 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:10,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:10,714 INFO L85 PathProgramCache]: Analyzing trace with hash -9509206, now seen corresponding path program 1 times [2022-10-16 02:30:10,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:10,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032900530] [2022-10-16 02:30:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:10,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:10,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:10,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032900530] [2022-10-16 02:30:10,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032900530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:10,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:10,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:10,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977152669] [2022-10-16 02:30:10,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:10,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:10,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:10,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:10,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:10,936 INFO L87 Difference]: Start difference. First operand 206 states and 309 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:10,988 INFO L93 Difference]: Finished difference Result 212 states and 316 transitions. [2022-10-16 02:30:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:10,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-10-16 02:30:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:10,994 INFO L225 Difference]: With dead ends: 212 [2022-10-16 02:30:10,995 INFO L226 Difference]: Without dead ends: 208 [2022-10-16 02:30:10,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:11,002 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 0 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:11,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1120 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-10-16 02:30:11,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2022-10-16 02:30:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 164 states have (on average 1.475609756097561) internal successors, (242), 168 states have internal predecessors, (242), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-10-16 02:30:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 308 transitions. [2022-10-16 02:30:11,065 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 308 transitions. Word has length 32 [2022-10-16 02:30:11,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:11,066 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 308 transitions. [2022-10-16 02:30:11,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:11,066 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 308 transitions. [2022-10-16 02:30:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 02:30:11,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:11,072 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:11,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 02:30:11,075 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:11,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:11,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1650794980, now seen corresponding path program 1 times [2022-10-16 02:30:11,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:11,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180264887] [2022-10-16 02:30:11,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:11,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:11,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180264887] [2022-10-16 02:30:11,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180264887] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:11,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318647853] [2022-10-16 02:30:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:11,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:11,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:11,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 02:30:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 02:30:11,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:11,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:30:11,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:30:11,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318647853] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:30:11,425 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:30:11,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-10-16 02:30:11,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131012497] [2022-10-16 02:30:11,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:30:11,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:11,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:11,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:11,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:11,428 INFO L87 Difference]: Start difference. First operand 206 states and 308 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 02:30:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:11,478 INFO L93 Difference]: Finished difference Result 265 states and 399 transitions. [2022-10-16 02:30:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:11,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2022-10-16 02:30:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:11,481 INFO L225 Difference]: With dead ends: 265 [2022-10-16 02:30:11,481 INFO L226 Difference]: Without dead ends: 265 [2022-10-16 02:30:11,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:11,483 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 84 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:11,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 845 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-10-16 02:30:11,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 259. [2022-10-16 02:30:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 207 states have (on average 1.4541062801932367) internal successors, (301), 211 states have internal predecessors, (301), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 02:30:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 387 transitions. [2022-10-16 02:30:11,501 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 387 transitions. Word has length 35 [2022-10-16 02:30:11,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:11,502 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 387 transitions. [2022-10-16 02:30:11,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 02:30:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 387 transitions. [2022-10-16 02:30:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 02:30:11,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:11,505 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:11,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 02:30:11,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 02:30:11,717 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash 561838268, now seen corresponding path program 2 times [2022-10-16 02:30:11,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:11,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804587435] [2022-10-16 02:30:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 02:30:11,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:11,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804587435] [2022-10-16 02:30:11,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804587435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:11,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:11,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:11,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103095121] [2022-10-16 02:30:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:11,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:11,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:11,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:11,847 INFO L87 Difference]: Start difference. First operand 259 states and 387 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:11,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:11,895 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2022-10-16 02:30:11,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:11,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-10-16 02:30:11,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:11,899 INFO L225 Difference]: With dead ends: 268 [2022-10-16 02:30:11,899 INFO L226 Difference]: Without dead ends: 268 [2022-10-16 02:30:11,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:11,901 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 19 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:11,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 828 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:11,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-10-16 02:30:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2022-10-16 02:30:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 213 states have (on average 1.4507042253521127) internal successors, (309), 217 states have internal predecessors, (309), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 02:30:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 395 transitions. [2022-10-16 02:30:11,924 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 395 transitions. Word has length 57 [2022-10-16 02:30:11,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:11,925 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 395 transitions. [2022-10-16 02:30:11,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 395 transitions. [2022-10-16 02:30:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 02:30:11,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:11,927 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:11,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 02:30:11,928 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:11,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:11,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1151955147, now seen corresponding path program 1 times [2022-10-16 02:30:11,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:11,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786154063] [2022-10-16 02:30:11,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:11,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-16 02:30:12,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:12,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786154063] [2022-10-16 02:30:12,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786154063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:12,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:12,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:12,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282412801] [2022-10-16 02:30:12,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:12,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:12,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:12,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:12,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:12,025 INFO L87 Difference]: Start difference. First operand 266 states and 395 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:12,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:12,067 INFO L93 Difference]: Finished difference Result 305 states and 442 transitions. [2022-10-16 02:30:12,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:12,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-10-16 02:30:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:12,070 INFO L225 Difference]: With dead ends: 305 [2022-10-16 02:30:12,071 INFO L226 Difference]: Without dead ends: 305 [2022-10-16 02:30:12,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:12,072 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 24 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:12,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 842 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-10-16 02:30:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 302. [2022-10-16 02:30:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 245 states have (on average 1.4122448979591837) internal successors, (346), 249 states have internal predecessors, (346), 46 states have call successors, (46), 9 states have call predecessors, (46), 9 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-10-16 02:30:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 438 transitions. [2022-10-16 02:30:12,089 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 438 transitions. Word has length 57 [2022-10-16 02:30:12,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:12,090 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 438 transitions. [2022-10-16 02:30:12,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 02:30:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 438 transitions. [2022-10-16 02:30:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 02:30:12,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:12,092 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:12,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 02:30:12,092 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:12,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash -672326273, now seen corresponding path program 1 times [2022-10-16 02:30:12,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:12,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385289789] [2022-10-16 02:30:12,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:12,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-16 02:30:12,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:12,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385289789] [2022-10-16 02:30:12,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385289789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:12,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:12,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:12,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466922427] [2022-10-16 02:30:12,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:12,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:12,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:12,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:12,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:12,240 INFO L87 Difference]: Start difference. First operand 302 states and 438 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 02:30:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:12,274 INFO L93 Difference]: Finished difference Result 308 states and 444 transitions. [2022-10-16 02:30:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 75 [2022-10-16 02:30:12,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:12,278 INFO L225 Difference]: With dead ends: 308 [2022-10-16 02:30:12,278 INFO L226 Difference]: Without dead ends: 304 [2022-10-16 02:30:12,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:12,279 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 0 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:12,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:12,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-10-16 02:30:12,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 302. [2022-10-16 02:30:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 245 states have (on average 1.4) internal successors, (343), 249 states have internal predecessors, (343), 46 states have call successors, (46), 9 states have call predecessors, (46), 9 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-10-16 02:30:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 435 transitions. [2022-10-16 02:30:12,295 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 435 transitions. Word has length 75 [2022-10-16 02:30:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:12,295 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 435 transitions. [2022-10-16 02:30:12,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 02:30:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 435 transitions. [2022-10-16 02:30:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 02:30:12,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:12,297 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:12,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 02:30:12,298 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:12,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:12,298 INFO L85 PathProgramCache]: Analyzing trace with hash 667836709, now seen corresponding path program 1 times [2022-10-16 02:30:12,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:12,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115559417] [2022-10-16 02:30:12,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:12,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-16 02:30:12,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:12,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115559417] [2022-10-16 02:30:12,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115559417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:12,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:12,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:12,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069007580] [2022-10-16 02:30:12,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:12,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:12,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:12,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:12,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:12,465 INFO L87 Difference]: Start difference. First operand 302 states and 435 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 02:30:12,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:12,539 INFO L93 Difference]: Finished difference Result 346 states and 486 transitions. [2022-10-16 02:30:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:12,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 104 [2022-10-16 02:30:12,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:12,543 INFO L225 Difference]: With dead ends: 346 [2022-10-16 02:30:12,543 INFO L226 Difference]: Without dead ends: 346 [2022-10-16 02:30:12,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:12,544 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 25 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:12,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 842 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:12,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-10-16 02:30:12,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 343. [2022-10-16 02:30:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 286 states have internal predecessors, (385), 49 states have call successors, (49), 10 states have call predecessors, (49), 10 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-10-16 02:30:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 483 transitions. [2022-10-16 02:30:12,560 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 483 transitions. Word has length 104 [2022-10-16 02:30:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:12,561 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 483 transitions. [2022-10-16 02:30:12,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 02:30:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 483 transitions. [2022-10-16 02:30:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 02:30:12,563 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:12,563 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:12,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 02:30:12,563 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:12,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:12,564 INFO L85 PathProgramCache]: Analyzing trace with hash -201559882, now seen corresponding path program 1 times [2022-10-16 02:30:12,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:12,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557615652] [2022-10-16 02:30:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:12,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-16 02:30:12,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:12,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557615652] [2022-10-16 02:30:12,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557615652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:12,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:12,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:12,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139777806] [2022-10-16 02:30:12,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:12,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:12,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:12,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:12,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:12,710 INFO L87 Difference]: Start difference. First operand 343 states and 483 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 02:30:12,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:12,762 INFO L93 Difference]: Finished difference Result 337 states and 469 transitions. [2022-10-16 02:30:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:30:12,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 105 [2022-10-16 02:30:12,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:12,766 INFO L225 Difference]: With dead ends: 337 [2022-10-16 02:30:12,766 INFO L226 Difference]: Without dead ends: 337 [2022-10-16 02:30:12,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:12,767 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 15 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:12,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 801 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-10-16 02:30:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2022-10-16 02:30:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 277 states have (on average 1.3465703971119134) internal successors, (373), 281 states have internal predecessors, (373), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 02:30:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 469 transitions. [2022-10-16 02:30:12,786 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 469 transitions. Word has length 105 [2022-10-16 02:30:12,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:12,787 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 469 transitions. [2022-10-16 02:30:12,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 02:30:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 469 transitions. [2022-10-16 02:30:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 02:30:12,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:12,789 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:12,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 02:30:12,789 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:12,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:12,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1949172793, now seen corresponding path program 1 times [2022-10-16 02:30:12,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:12,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305542134] [2022-10-16 02:30:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:12,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-16 02:30:12,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305542134] [2022-10-16 02:30:12,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305542134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:12,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:12,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021487392] [2022-10-16 02:30:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:12,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:12,998 INFO L87 Difference]: Start difference. First operand 337 states and 469 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 02:30:13,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:13,027 INFO L93 Difference]: Finished difference Result 343 states and 474 transitions. [2022-10-16 02:30:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:13,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 124 [2022-10-16 02:30:13,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:13,030 INFO L225 Difference]: With dead ends: 343 [2022-10-16 02:30:13,031 INFO L226 Difference]: Without dead ends: 339 [2022-10-16 02:30:13,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:13,032 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:13,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1105 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:13,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-10-16 02:30:13,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 337. [2022-10-16 02:30:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 277 states have (on average 1.3357400722021662) internal successors, (370), 281 states have internal predecessors, (370), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 02:30:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 466 transitions. [2022-10-16 02:30:13,049 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 466 transitions. Word has length 124 [2022-10-16 02:30:13,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:13,050 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 466 transitions. [2022-10-16 02:30:13,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 02:30:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 466 transitions. [2022-10-16 02:30:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-16 02:30:13,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:13,056 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:13,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 02:30:13,056 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:13,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:13,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1773018717, now seen corresponding path program 1 times [2022-10-16 02:30:13,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:13,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745031562] [2022-10-16 02:30:13,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:13,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 02:30:13,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:13,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745031562] [2022-10-16 02:30:13,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745031562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:13,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:13,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:13,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216688067] [2022-10-16 02:30:13,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:13,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:13,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:13,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:13,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:13,282 INFO L87 Difference]: Start difference. First operand 337 states and 466 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 02:30:13,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:13,342 INFO L93 Difference]: Finished difference Result 335 states and 462 transitions. [2022-10-16 02:30:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:30:13,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 157 [2022-10-16 02:30:13,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:13,345 INFO L225 Difference]: With dead ends: 335 [2022-10-16 02:30:13,345 INFO L226 Difference]: Without dead ends: 335 [2022-10-16 02:30:13,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:13,348 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 13 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:13,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 769 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-10-16 02:30:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2022-10-16 02:30:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 276 states have (on average 1.3333333333333333) internal successors, (368), 280 states have internal predecessors, (368), 47 states have call successors, (47), 10 states have call predecessors, (47), 10 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-10-16 02:30:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 462 transitions. [2022-10-16 02:30:13,362 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 462 transitions. Word has length 157 [2022-10-16 02:30:13,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:13,363 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 462 transitions. [2022-10-16 02:30:13,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 02:30:13,363 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 462 transitions. [2022-10-16 02:30:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-16 02:30:13,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:13,367 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:13,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 02:30:13,367 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:13,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:13,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1889804833, now seen corresponding path program 1 times [2022-10-16 02:30:13,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:13,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062521355] [2022-10-16 02:30:13,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-10-16 02:30:13,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:13,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062521355] [2022-10-16 02:30:13,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062521355] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:13,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:13,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:13,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572491603] [2022-10-16 02:30:13,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:13,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:13,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:13,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:13,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:13,606 INFO L87 Difference]: Start difference. First operand 335 states and 462 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 02:30:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:13,660 INFO L93 Difference]: Finished difference Result 338 states and 464 transitions. [2022-10-16 02:30:13,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:13,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 172 [2022-10-16 02:30:13,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:13,664 INFO L225 Difference]: With dead ends: 338 [2022-10-16 02:30:13,664 INFO L226 Difference]: Without dead ends: 318 [2022-10-16 02:30:13,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:13,665 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 35 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:13,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 750 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:13,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-10-16 02:30:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2022-10-16 02:30:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 262 states have (on average 1.3244274809160306) internal successors, (347), 266 states have internal predecessors, (347), 44 states have call successors, (44), 10 states have call predecessors, (44), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-10-16 02:30:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 435 transitions. [2022-10-16 02:30:13,679 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 435 transitions. Word has length 172 [2022-10-16 02:30:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:13,680 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 435 transitions. [2022-10-16 02:30:13,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 02:30:13,680 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 435 transitions. [2022-10-16 02:30:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-16 02:30:13,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:13,684 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:13,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 02:30:13,685 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:13,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:13,685 INFO L85 PathProgramCache]: Analyzing trace with hash 963503446, now seen corresponding path program 1 times [2022-10-16 02:30:13,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:13,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952916631] [2022-10-16 02:30:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:13,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-10-16 02:30:13,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:13,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952916631] [2022-10-16 02:30:13,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952916631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:13,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:13,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:13,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669567664] [2022-10-16 02:30:13,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:13,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:13,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:13,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:13,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:13,917 INFO L87 Difference]: Start difference. First operand 318 states and 435 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 02:30:13,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:13,971 INFO L93 Difference]: Finished difference Result 321 states and 437 transitions. [2022-10-16 02:30:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:13,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 174 [2022-10-16 02:30:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:13,974 INFO L225 Difference]: With dead ends: 321 [2022-10-16 02:30:13,974 INFO L226 Difference]: Without dead ends: 299 [2022-10-16 02:30:13,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:13,977 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 30 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:13,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 754 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:13,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-10-16 02:30:13,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2022-10-16 02:30:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 246 states have (on average 1.3170731707317074) internal successors, (324), 250 states have internal predecessors, (324), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-10-16 02:30:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 406 transitions. [2022-10-16 02:30:13,990 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 406 transitions. Word has length 174 [2022-10-16 02:30:13,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:13,991 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 406 transitions. [2022-10-16 02:30:13,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 02:30:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 406 transitions. [2022-10-16 02:30:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 02:30:13,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:13,994 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:13,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 02:30:13,994 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:13,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash -589776125, now seen corresponding path program 1 times [2022-10-16 02:30:13,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:13,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129700041] [2022-10-16 02:30:13,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 02:30:14,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:14,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129700041] [2022-10-16 02:30:14,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129700041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:14,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:14,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:14,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868581169] [2022-10-16 02:30:14,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:14,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:14,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:14,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:14,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:14,247 INFO L87 Difference]: Start difference. First operand 299 states and 406 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 02:30:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:14,270 INFO L93 Difference]: Finished difference Result 303 states and 409 transitions. [2022-10-16 02:30:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:14,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 175 [2022-10-16 02:30:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:14,274 INFO L225 Difference]: With dead ends: 303 [2022-10-16 02:30:14,274 INFO L226 Difference]: Without dead ends: 299 [2022-10-16 02:30:14,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:14,275 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:14,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1084 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:14,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-10-16 02:30:14,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2022-10-16 02:30:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 246 states have (on average 1.2926829268292683) internal successors, (318), 250 states have internal predecessors, (318), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-10-16 02:30:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 400 transitions. [2022-10-16 02:30:14,287 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 400 transitions. Word has length 175 [2022-10-16 02:30:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:14,289 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 400 transitions. [2022-10-16 02:30:14,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 02:30:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 400 transitions. [2022-10-16 02:30:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 02:30:14,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:14,293 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:14,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 02:30:14,294 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:14,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:14,295 INFO L85 PathProgramCache]: Analyzing trace with hash 227932486, now seen corresponding path program 1 times [2022-10-16 02:30:14,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:14,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889531635] [2022-10-16 02:30:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 02:30:14,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:14,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889531635] [2022-10-16 02:30:14,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889531635] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:14,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727293254] [2022-10-16 02:30:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:14,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:14,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 02:30:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:14,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:30:14,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 02:30:14,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:30:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 02:30:15,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727293254] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:15,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-16 02:30:15,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 5 [2022-10-16 02:30:15,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196979877] [2022-10-16 02:30:15,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:15,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:15,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:15,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:15,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:15,034 INFO L87 Difference]: Start difference. First operand 299 states and 400 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 02:30:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:15,096 INFO L93 Difference]: Finished difference Result 322 states and 429 transitions. [2022-10-16 02:30:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:30:15,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 182 [2022-10-16 02:30:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:15,099 INFO L225 Difference]: With dead ends: 322 [2022-10-16 02:30:15,099 INFO L226 Difference]: Without dead ends: 278 [2022-10-16 02:30:15,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:15,100 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 35 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:15,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 515 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-10-16 02:30:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2022-10-16 02:30:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 228 states have (on average 1.2850877192982457) internal successors, (293), 232 states have internal predecessors, (293), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 02:30:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 369 transitions. [2022-10-16 02:30:15,127 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 369 transitions. Word has length 182 [2022-10-16 02:30:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:15,128 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 369 transitions. [2022-10-16 02:30:15,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 02:30:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2022-10-16 02:30:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 02:30:15,132 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:15,132 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:15,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:15,346 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,SelfDestructingSolverStorable16 [2022-10-16 02:30:15,346 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:15,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash 985929017, now seen corresponding path program 1 times [2022-10-16 02:30:15,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:15,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308235167] [2022-10-16 02:30:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:15,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-10-16 02:30:15,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:15,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308235167] [2022-10-16 02:30:15,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308235167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:15,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:15,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:15,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863896859] [2022-10-16 02:30:15,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:15,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:15,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:15,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:15,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:15,550 INFO L87 Difference]: Start difference. First operand 278 states and 369 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 02:30:15,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:15,581 INFO L93 Difference]: Finished difference Result 284 states and 375 transitions. [2022-10-16 02:30:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:15,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 206 [2022-10-16 02:30:15,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:15,585 INFO L225 Difference]: With dead ends: 284 [2022-10-16 02:30:15,585 INFO L226 Difference]: Without dead ends: 284 [2022-10-16 02:30:15,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:15,586 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 6 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:15,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 794 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:15,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-10-16 02:30:15,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 282. [2022-10-16 02:30:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 231 states have (on average 1.2813852813852813) internal successors, (296), 235 states have internal predecessors, (296), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 02:30:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 372 transitions. [2022-10-16 02:30:15,598 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 372 transitions. Word has length 206 [2022-10-16 02:30:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:15,598 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 372 transitions. [2022-10-16 02:30:15,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 02:30:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 372 transitions. [2022-10-16 02:30:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 02:30:15,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:15,602 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:15,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 02:30:15,603 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:15,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:15,604 INFO L85 PathProgramCache]: Analyzing trace with hash -966497970, now seen corresponding path program 1 times [2022-10-16 02:30:15,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:15,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101689638] [2022-10-16 02:30:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:15,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-10-16 02:30:15,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:15,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101689638] [2022-10-16 02:30:15,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101689638] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:15,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017945450] [2022-10-16 02:30:15,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:15,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:15,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:15,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:15,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 02:30:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:30:16,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-10-16 02:30:16,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:16,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017945450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:16,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:16,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 02:30:16,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638297219] [2022-10-16 02:30:16,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:16,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:16,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:16,181 INFO L87 Difference]: Start difference. First operand 282 states and 372 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 02:30:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:16,223 INFO L93 Difference]: Finished difference Result 289 states and 378 transitions. [2022-10-16 02:30:16,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:16,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 215 [2022-10-16 02:30:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:16,226 INFO L225 Difference]: With dead ends: 289 [2022-10-16 02:30:16,227 INFO L226 Difference]: Without dead ends: 289 [2022-10-16 02:30:16,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:16,228 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 7 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:16,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 799 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-10-16 02:30:16,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2022-10-16 02:30:16,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 235 states have (on average 1.2765957446808511) internal successors, (300), 239 states have internal predecessors, (300), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 02:30:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 376 transitions. [2022-10-16 02:30:16,243 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 376 transitions. Word has length 215 [2022-10-16 02:30:16,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:16,244 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 376 transitions. [2022-10-16 02:30:16,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 02:30:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 376 transitions. [2022-10-16 02:30:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 02:30:16,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:16,248 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:16,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:16,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:16,464 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1269412920, now seen corresponding path program 1 times [2022-10-16 02:30:16,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:16,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586448630] [2022-10-16 02:30:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:16,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:30:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2022-10-16 02:30:16,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:16,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586448630] [2022-10-16 02:30:16,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586448630] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527515652] [2022-10-16 02:30:16,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:16,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:16,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 02:30:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:16,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:30:16,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2022-10-16 02:30:16,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:16,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527515652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:16,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:16,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 02:30:16,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590210347] [2022-10-16 02:30:16,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:16,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:16,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:16,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:16,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:16,937 INFO L87 Difference]: Start difference. First operand 287 states and 376 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 02:30:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:16,971 INFO L93 Difference]: Finished difference Result 286 states and 371 transitions. [2022-10-16 02:30:16,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:30:16,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 225 [2022-10-16 02:30:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:16,975 INFO L225 Difference]: With dead ends: 286 [2022-10-16 02:30:16,975 INFO L226 Difference]: Without dead ends: 286 [2022-10-16 02:30:16,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:16,976 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 7 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:16,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 785 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:16,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-10-16 02:30:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2022-10-16 02:30:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 235 states have (on average 1.2638297872340425) internal successors, (297), 238 states have internal predecessors, (297), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-10-16 02:30:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 371 transitions. [2022-10-16 02:30:16,986 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 371 transitions. Word has length 225 [2022-10-16 02:30:16,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:16,987 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 371 transitions. [2022-10-16 02:30:16,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 02:30:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 371 transitions. [2022-10-16 02:30:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-16 02:30:16,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:16,991 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:17,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:17,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:17,200 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:17,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1974211616, now seen corresponding path program 1 times [2022-10-16 02:30:17,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:17,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453036251] [2022-10-16 02:30:17,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:17,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:30:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:30:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-10-16 02:30:17,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:17,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453036251] [2022-10-16 02:30:17,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453036251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:17,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:17,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:17,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769909030] [2022-10-16 02:30:17,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:17,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:17,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:17,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:17,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:17,466 INFO L87 Difference]: Start difference. First operand 286 states and 371 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 02:30:17,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:17,708 INFO L93 Difference]: Finished difference Result 329 states and 440 transitions. [2022-10-16 02:30:17,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:30:17,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 235 [2022-10-16 02:30:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:17,711 INFO L225 Difference]: With dead ends: 329 [2022-10-16 02:30:17,711 INFO L226 Difference]: Without dead ends: 329 [2022-10-16 02:30:17,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:17,713 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 190 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:17,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 650 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:30:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-10-16 02:30:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 285. [2022-10-16 02:30:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 235 states have (on average 1.2595744680851064) internal successors, (296), 237 states have internal predecessors, (296), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-10-16 02:30:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 368 transitions. [2022-10-16 02:30:17,724 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 368 transitions. Word has length 235 [2022-10-16 02:30:17,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:17,725 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 368 transitions. [2022-10-16 02:30:17,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 02:30:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 368 transitions. [2022-10-16 02:30:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-10-16 02:30:17,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:17,729 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:17,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 02:30:17,729 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:17,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:17,730 INFO L85 PathProgramCache]: Analyzing trace with hash 811030063, now seen corresponding path program 1 times [2022-10-16 02:30:17,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:17,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371101238] [2022-10-16 02:30:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:17,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:30:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:30:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-10-16 02:30:18,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:18,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371101238] [2022-10-16 02:30:18,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371101238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:18,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:18,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246720341] [2022-10-16 02:30:18,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:18,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:18,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:18,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:18,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:18,116 INFO L87 Difference]: Start difference. First operand 285 states and 368 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 02:30:18,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:18,689 INFO L93 Difference]: Finished difference Result 511 states and 665 transitions. [2022-10-16 02:30:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:30:18,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 237 [2022-10-16 02:30:18,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:18,693 INFO L225 Difference]: With dead ends: 511 [2022-10-16 02:30:18,693 INFO L226 Difference]: Without dead ends: 511 [2022-10-16 02:30:18,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:30:18,694 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 426 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:18,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 806 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 02:30:18,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-10-16 02:30:18,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 445. [2022-10-16 02:30:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 365 states have (on average 1.3041095890410959) internal successors, (476), 368 states have internal predecessors, (476), 54 states have call successors, (54), 24 states have call predecessors, (54), 24 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-16 02:30:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 584 transitions. [2022-10-16 02:30:18,711 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 584 transitions. Word has length 237 [2022-10-16 02:30:18,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:18,712 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 584 transitions. [2022-10-16 02:30:18,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 02:30:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 584 transitions. [2022-10-16 02:30:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-10-16 02:30:18,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:18,716 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:18,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 02:30:18,717 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:18,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:18,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1176540955, now seen corresponding path program 1 times [2022-10-16 02:30:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:18,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769148761] [2022-10-16 02:30:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:18,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:30:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:30:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-16 02:30:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-16 02:30:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-16 02:30:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-10-16 02:30:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:18,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769148761] [2022-10-16 02:30:18,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769148761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:18,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:18,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:18,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621730565] [2022-10-16 02:30:18,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:18,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:18,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:18,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:18,976 INFO L87 Difference]: Start difference. First operand 445 states and 584 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 02:30:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:19,351 INFO L93 Difference]: Finished difference Result 703 states and 945 transitions. [2022-10-16 02:30:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:19,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 265 [2022-10-16 02:30:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:19,356 INFO L225 Difference]: With dead ends: 703 [2022-10-16 02:30:19,356 INFO L226 Difference]: Without dead ends: 703 [2022-10-16 02:30:19,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:19,357 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 221 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:19,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 607 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 02:30:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2022-10-16 02:30:19,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 538. [2022-10-16 02:30:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 448 states have (on average 1.3147321428571428) internal successors, (589), 452 states have internal predecessors, (589), 59 states have call successors, (59), 29 states have call predecessors, (59), 29 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2022-10-16 02:30:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 707 transitions. [2022-10-16 02:30:19,380 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 707 transitions. Word has length 265 [2022-10-16 02:30:19,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:19,381 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 707 transitions. [2022-10-16 02:30:19,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 02:30:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 707 transitions. [2022-10-16 02:30:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-10-16 02:30:19,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:19,386 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:19,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 02:30:19,386 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:19,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1848653234, now seen corresponding path program 1 times [2022-10-16 02:30:19,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:19,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820653626] [2022-10-16 02:30:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:19,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:30:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:30:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-16 02:30:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-16 02:30:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-10-16 02:30:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-10-16 02:30:19,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:19,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820653626] [2022-10-16 02:30:19,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820653626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:19,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:19,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:30:19,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125828578] [2022-10-16 02:30:19,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:19,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:19,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:19,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:30:19,634 INFO L87 Difference]: Start difference. First operand 538 states and 707 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 02:30:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:20,020 INFO L93 Difference]: Finished difference Result 843 states and 1132 transitions. [2022-10-16 02:30:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:20,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 266 [2022-10-16 02:30:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:20,026 INFO L225 Difference]: With dead ends: 843 [2022-10-16 02:30:20,026 INFO L226 Difference]: Without dead ends: 843 [2022-10-16 02:30:20,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:20,027 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 224 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:20,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 641 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 02:30:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-10-16 02:30:20,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 662. [2022-10-16 02:30:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 560 states have (on average 1.3267857142857142) internal successors, (743), 566 states have internal predecessors, (743), 65 states have call successors, (65), 35 states have call predecessors, (65), 35 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2022-10-16 02:30:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 873 transitions. [2022-10-16 02:30:20,074 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 873 transitions. Word has length 266 [2022-10-16 02:30:20,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:20,075 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 873 transitions. [2022-10-16 02:30:20,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-16 02:30:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 873 transitions. [2022-10-16 02:30:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-10-16 02:30:20,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:20,080 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:20,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 02:30:20,080 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash -913214, now seen corresponding path program 1 times [2022-10-16 02:30:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:20,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958538826] [2022-10-16 02:30:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:20,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-16 02:30:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-16 02:30:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-10-16 02:30:20,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:20,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958538826] [2022-10-16 02:30:20,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958538826] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:20,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819179183] [2022-10-16 02:30:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:20,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:20,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:20,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:20,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 02:30:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:20,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 02:30:20,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-10-16 02:30:20,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:20,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819179183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:20,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:20,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-10-16 02:30:20,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99060422] [2022-10-16 02:30:20,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:20,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:20,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:20,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:20,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 02:30:20,718 INFO L87 Difference]: Start difference. First operand 662 states and 873 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 02:30:20,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:20,799 INFO L93 Difference]: Finished difference Result 674 states and 879 transitions. [2022-10-16 02:30:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:20,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 267 [2022-10-16 02:30:20,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:20,804 INFO L225 Difference]: With dead ends: 674 [2022-10-16 02:30:20,804 INFO L226 Difference]: Without dead ends: 662 [2022-10-16 02:30:20,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:30:20,805 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 51 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:20,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 702 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:30:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-10-16 02:30:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2022-10-16 02:30:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 560 states have (on average 1.3160714285714286) internal successors, (737), 566 states have internal predecessors, (737), 65 states have call successors, (65), 35 states have call predecessors, (65), 35 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2022-10-16 02:30:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 867 transitions. [2022-10-16 02:30:20,830 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 867 transitions. Word has length 267 [2022-10-16 02:30:20,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:20,831 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 867 transitions. [2022-10-16 02:30:20,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 02:30:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 867 transitions. [2022-10-16 02:30:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-10-16 02:30:20,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:20,837 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:20,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:21,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 02:30:21,051 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:21,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:21,052 INFO L85 PathProgramCache]: Analyzing trace with hash 729872495, now seen corresponding path program 1 times [2022-10-16 02:30:21,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:21,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72140254] [2022-10-16 02:30:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:21,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-16 02:30:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-10-16 02:30:21,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:21,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72140254] [2022-10-16 02:30:21,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72140254] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:21,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294707308] [2022-10-16 02:30:21,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:21,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:21,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:21,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:21,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 02:30:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:21,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 02:30:21,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2022-10-16 02:30:21,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:21,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294707308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:21,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:21,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-10-16 02:30:21,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496284564] [2022-10-16 02:30:21,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:21,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:21,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:21,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:21,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 02:30:21,670 INFO L87 Difference]: Start difference. First operand 662 states and 867 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 02:30:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:21,729 INFO L93 Difference]: Finished difference Result 674 states and 881 transitions. [2022-10-16 02:30:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:21,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 268 [2022-10-16 02:30:21,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:21,734 INFO L225 Difference]: With dead ends: 674 [2022-10-16 02:30:21,734 INFO L226 Difference]: Without dead ends: 674 [2022-10-16 02:30:21,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:30:21,735 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 15 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:21,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 725 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:21,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-10-16 02:30:21,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2022-10-16 02:30:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 570 states have (on average 1.317543859649123) internal successors, (751), 576 states have internal predecessors, (751), 65 states have call successors, (65), 37 states have call predecessors, (65), 37 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2022-10-16 02:30:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 881 transitions. [2022-10-16 02:30:21,755 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 881 transitions. Word has length 268 [2022-10-16 02:30:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:21,756 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 881 transitions. [2022-10-16 02:30:21,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 02:30:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 881 transitions. [2022-10-16 02:30:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-10-16 02:30:21,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:21,774 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:21,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:21,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 02:30:21,988 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:21,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:21,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1416178212, now seen corresponding path program 1 times [2022-10-16 02:30:21,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:21,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013941521] [2022-10-16 02:30:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:21,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-10-16 02:30:22,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:22,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013941521] [2022-10-16 02:30:22,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013941521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:22,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:22,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:30:22,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786383620] [2022-10-16 02:30:22,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:22,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:30:22,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:22,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:30:22,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:30:22,527 INFO L87 Difference]: Start difference. First operand 674 states and 881 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 02:30:23,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:23,067 INFO L93 Difference]: Finished difference Result 951 states and 1313 transitions. [2022-10-16 02:30:23,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:30:23,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 269 [2022-10-16 02:30:23,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:23,074 INFO L225 Difference]: With dead ends: 951 [2022-10-16 02:30:23,074 INFO L226 Difference]: Without dead ends: 951 [2022-10-16 02:30:23,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-16 02:30:23,075 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 270 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:23,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1701 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 02:30:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-10-16 02:30:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 680. [2022-10-16 02:30:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 574 states have (on average 1.3153310104529616) internal successors, (755), 581 states have internal predecessors, (755), 66 states have call successors, (66), 38 states have call predecessors, (66), 38 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2022-10-16 02:30:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 887 transitions. [2022-10-16 02:30:23,105 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 887 transitions. Word has length 269 [2022-10-16 02:30:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:23,105 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 887 transitions. [2022-10-16 02:30:23,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 02:30:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 887 transitions. [2022-10-16 02:30:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-10-16 02:30:23,111 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:23,111 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:23,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 02:30:23,112 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1176284485, now seen corresponding path program 1 times [2022-10-16 02:30:23,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:23,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850413138] [2022-10-16 02:30:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:30:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-10-16 02:30:23,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:23,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850413138] [2022-10-16 02:30:23,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850413138] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:23,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280224900] [2022-10-16 02:30:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:23,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:23,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:23,421 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:23,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 02:30:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:23,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 02:30:23,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-10-16 02:30:23,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:23,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280224900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:23,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:23,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-16 02:30:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357213043] [2022-10-16 02:30:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:23,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:30:23,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:23,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:30:23,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:23,724 INFO L87 Difference]: Start difference. First operand 680 states and 887 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 02:30:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:23,754 INFO L93 Difference]: Finished difference Result 679 states and 886 transitions. [2022-10-16 02:30:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:30:23,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 274 [2022-10-16 02:30:23,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:23,759 INFO L225 Difference]: With dead ends: 679 [2022-10-16 02:30:23,759 INFO L226 Difference]: Without dead ends: 677 [2022-10-16 02:30:23,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:23,760 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 101 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:23,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 330 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:23,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-10-16 02:30:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-10-16 02:30:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 572 states have (on average 1.3146853146853146) internal successors, (752), 578 states have internal predecessors, (752), 66 states have call successors, (66), 38 states have call predecessors, (66), 38 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2022-10-16 02:30:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 884 transitions. [2022-10-16 02:30:23,784 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 884 transitions. Word has length 274 [2022-10-16 02:30:23,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:23,784 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 884 transitions. [2022-10-16 02:30:23,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 02:30:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 884 transitions. [2022-10-16 02:30:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-10-16 02:30:23,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:23,787 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:23,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 02:30:24,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:24,002 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:24,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:24,003 INFO L85 PathProgramCache]: Analyzing trace with hash -543204807, now seen corresponding path program 1 times [2022-10-16 02:30:24,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:24,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914847389] [2022-10-16 02:30:24,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:24,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-16 02:30:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 142 proven. 27 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-10-16 02:30:24,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:24,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914847389] [2022-10-16 02:30:24,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914847389] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:24,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133111088] [2022-10-16 02:30:24,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:24,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:24,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:24,621 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:24,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 02:30:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:24,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 02:30:24,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 251 proven. 33 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-10-16 02:30:25,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:30:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 146 proven. 23 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-10-16 02:30:25,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133111088] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:30:25,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:30:25,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 19 [2022-10-16 02:30:25,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130298976] [2022-10-16 02:30:25,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:30:25,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 02:30:25,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:25,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 02:30:25,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-10-16 02:30:25,433 INFO L87 Difference]: Start difference. First operand 677 states and 884 transitions. Second operand has 19 states, 19 states have (on average 7.947368421052632) internal successors, (151), 14 states have internal predecessors, (151), 5 states have call successors, (28), 5 states have call predecessors, (28), 9 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27) [2022-10-16 02:30:27,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:27,822 INFO L93 Difference]: Finished difference Result 1537 states and 2166 transitions. [2022-10-16 02:30:27,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 02:30:27,823 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.947368421052632) internal successors, (151), 14 states have internal predecessors, (151), 5 states have call successors, (28), 5 states have call predecessors, (28), 9 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27) Word has length 277 [2022-10-16 02:30:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:27,834 INFO L225 Difference]: With dead ends: 1537 [2022-10-16 02:30:27,834 INFO L226 Difference]: Without dead ends: 1537 [2022-10-16 02:30:27,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 595 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=1121, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 02:30:27,836 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 696 mSDsluCounter, 3114 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 2792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:27,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 3500 Invalid, 2792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 02:30:27,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2022-10-16 02:30:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 948. [2022-10-16 02:30:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 803 states have (on average 1.3088418430884183) internal successors, (1051), 810 states have internal predecessors, (1051), 90 states have call successors, (90), 51 states have call predecessors, (90), 54 states have return successors, (95), 90 states have call predecessors, (95), 90 states have call successors, (95) [2022-10-16 02:30:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1236 transitions. [2022-10-16 02:30:27,893 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1236 transitions. Word has length 277 [2022-10-16 02:30:27,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:27,894 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1236 transitions. [2022-10-16 02:30:27,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.947368421052632) internal successors, (151), 14 states have internal predecessors, (151), 5 states have call successors, (28), 5 states have call predecessors, (28), 9 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27) [2022-10-16 02:30:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1236 transitions. [2022-10-16 02:30:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-10-16 02:30:27,897 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:27,898 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:27,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:28,112 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,SelfDestructingSolverStorable28 [2022-10-16 02:30:28,112 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:28,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:28,113 INFO L85 PathProgramCache]: Analyzing trace with hash 418409210, now seen corresponding path program 1 times [2022-10-16 02:30:28,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:28,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563665496] [2022-10-16 02:30:28,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:28,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-16 02:30:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-10-16 02:30:28,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:28,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563665496] [2022-10-16 02:30:28,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563665496] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:28,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539516719] [2022-10-16 02:30:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:28,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:28,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:28,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 02:30:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:28,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:30:28,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2022-10-16 02:30:28,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:28,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539516719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:28,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:28,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 02:30:28,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086587365] [2022-10-16 02:30:28,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:28,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:28,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:28,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:28,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:28,680 INFO L87 Difference]: Start difference. First operand 948 states and 1236 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 02:30:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:28,741 INFO L93 Difference]: Finished difference Result 938 states and 1209 transitions. [2022-10-16 02:30:28,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:28,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 277 [2022-10-16 02:30:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:28,748 INFO L225 Difference]: With dead ends: 938 [2022-10-16 02:30:28,749 INFO L226 Difference]: Without dead ends: 932 [2022-10-16 02:30:28,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:28,750 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 11 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:28,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 716 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-10-16 02:30:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2022-10-16 02:30:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 792 states have (on average 1.2967171717171717) internal successors, (1027), 799 states have internal predecessors, (1027), 86 states have call successors, (86), 51 states have call predecessors, (86), 53 states have return successors, (90), 85 states have call predecessors, (90), 86 states have call successors, (90) [2022-10-16 02:30:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1203 transitions. [2022-10-16 02:30:28,783 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1203 transitions. Word has length 277 [2022-10-16 02:30:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:28,784 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1203 transitions. [2022-10-16 02:30:28,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 02:30:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1203 transitions. [2022-10-16 02:30:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-10-16 02:30:28,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:28,787 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:28,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:29,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:29,002 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:29,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:29,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1370819649, now seen corresponding path program 1 times [2022-10-16 02:30:29,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:29,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552678610] [2022-10-16 02:30:29,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 02:30:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 02:30:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 02:30:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-10-16 02:30:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 02:30:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-16 02:30:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 02:30:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 02:30:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 02:30:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 121 proven. 19 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2022-10-16 02:30:29,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:29,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552678610] [2022-10-16 02:30:29,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552678610] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:29,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393522793] [2022-10-16 02:30:29,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:29,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:29,267 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:29,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 02:30:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:29,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:30:29,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-10-16 02:30:29,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:29,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393522793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:29,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:29,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 02:30:29,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384975454] [2022-10-16 02:30:29,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:29,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:30:29,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:29,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:30:29,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:29,497 INFO L87 Difference]: Start difference. First operand 932 states and 1203 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 02:30:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:29,553 INFO L93 Difference]: Finished difference Result 787 states and 1010 transitions. [2022-10-16 02:30:29,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:30:29,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 280 [2022-10-16 02:30:29,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:29,558 INFO L225 Difference]: With dead ends: 787 [2022-10-16 02:30:29,558 INFO L226 Difference]: Without dead ends: 772 [2022-10-16 02:30:29,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:29,559 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 8 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:29,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 719 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:30:29,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-10-16 02:30:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2022-10-16 02:30:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 650 states have (on average 1.2938461538461539) internal successors, (841), 657 states have internal predecessors, (841), 77 states have call successors, (77), 44 states have call predecessors, (77), 44 states have return successors, (77), 74 states have call predecessors, (77), 77 states have call successors, (77) [2022-10-16 02:30:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 995 transitions. [2022-10-16 02:30:29,580 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 995 transitions. Word has length 280 [2022-10-16 02:30:29,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:29,581 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 995 transitions. [2022-10-16 02:30:29,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 02:30:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 995 transitions. [2022-10-16 02:30:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-10-16 02:30:29,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:29,584 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 8, 8, 8, 7, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:29,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:29,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 02:30:29,797 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:29,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash 254811628, now seen corresponding path program 1 times [2022-10-16 02:30:29,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:29,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067608844] [2022-10-16 02:30:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:29,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-16 02:30:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-16 02:30:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-16 02:30:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 16 proven. 146 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-10-16 02:30:30,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:30,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067608844] [2022-10-16 02:30:30,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067608844] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:30,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104972725] [2022-10-16 02:30:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:30,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:30,825 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:30,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 02:30:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:31,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 02:30:31,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2022-10-16 02:30:31,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:31,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104972725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:31,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:31,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2022-10-16 02:30:31,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979922630] [2022-10-16 02:30:31,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:31,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:30:31,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:31,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:30:31,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2022-10-16 02:30:31,224 INFO L87 Difference]: Start difference. First operand 772 states and 995 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 02:30:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:31,553 INFO L93 Difference]: Finished difference Result 1373 states and 1808 transitions. [2022-10-16 02:30:31,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 02:30:31,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 292 [2022-10-16 02:30:31,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:31,562 INFO L225 Difference]: With dead ends: 1373 [2022-10-16 02:30:31,562 INFO L226 Difference]: Without dead ends: 1373 [2022-10-16 02:30:31,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-10-16 02:30:31,564 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 452 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:31,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 2266 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:30:31,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2022-10-16 02:30:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1068. [2022-10-16 02:30:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 890 states have (on average 1.2876404494382023) internal successors, (1146), 899 states have internal predecessors, (1146), 118 states have call successors, (118), 59 states have call predecessors, (118), 59 states have return successors, (118), 113 states have call predecessors, (118), 118 states have call successors, (118) [2022-10-16 02:30:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1382 transitions. [2022-10-16 02:30:31,617 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1382 transitions. Word has length 292 [2022-10-16 02:30:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:31,617 INFO L495 AbstractCegarLoop]: Abstraction has 1068 states and 1382 transitions. [2022-10-16 02:30:31,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 02:30:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1382 transitions. [2022-10-16 02:30:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-10-16 02:30:31,620 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:31,620 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 8, 8, 8, 7, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:31,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:31,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-10-16 02:30:31,834 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:31,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:31,835 INFO L85 PathProgramCache]: Analyzing trace with hash 934083882, now seen corresponding path program 1 times [2022-10-16 02:30:31,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:31,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748493016] [2022-10-16 02:30:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:31,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-16 02:30:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-16 02:30:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-16 02:30:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2022-10-16 02:30:32,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:32,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748493016] [2022-10-16 02:30:32,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748493016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:32,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:32,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:32,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611663328] [2022-10-16 02:30:32,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:32,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:32,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:32,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:32,158 INFO L87 Difference]: Start difference. First operand 1068 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 02:30:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:32,756 INFO L93 Difference]: Finished difference Result 1280 states and 1654 transitions. [2022-10-16 02:30:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 02:30:32,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 292 [2022-10-16 02:30:32,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:32,764 INFO L225 Difference]: With dead ends: 1280 [2022-10-16 02:30:32,764 INFO L226 Difference]: Without dead ends: 1280 [2022-10-16 02:30:32,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:30:32,765 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 311 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:32,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 708 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 02:30:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2022-10-16 02:30:32,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1141. [2022-10-16 02:30:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 945 states have (on average 1.288888888888889) internal successors, (1218), 955 states have internal predecessors, (1218), 131 states have call successors, (131), 64 states have call predecessors, (131), 64 states have return successors, (131), 125 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-16 02:30:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1480 transitions. [2022-10-16 02:30:32,810 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1480 transitions. Word has length 292 [2022-10-16 02:30:32,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:32,811 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1480 transitions. [2022-10-16 02:30:32,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 02:30:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1480 transitions. [2022-10-16 02:30:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-10-16 02:30:32,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:32,814 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:32,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 02:30:32,815 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:32,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:32,815 INFO L85 PathProgramCache]: Analyzing trace with hash 314380101, now seen corresponding path program 1 times [2022-10-16 02:30:32,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:32,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750099354] [2022-10-16 02:30:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:30:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-16 02:30:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-16 02:30:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:30:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-10-16 02:30:33,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:33,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750099354] [2022-10-16 02:30:33,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750099354] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:33,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72311403] [2022-10-16 02:30:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:33,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:33,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:33,388 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:33,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 02:30:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:33,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 02:30:33,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-10-16 02:30:33,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:33,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72311403] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:33,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:33,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-10-16 02:30:33,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095290860] [2022-10-16 02:30:33,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:33,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:30:33,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:33,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:30:33,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-10-16 02:30:33,747 INFO L87 Difference]: Start difference. First operand 1141 states and 1480 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 02:30:34,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:34,130 INFO L93 Difference]: Finished difference Result 1630 states and 2212 transitions. [2022-10-16 02:30:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 02:30:34,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 298 [2022-10-16 02:30:34,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:34,141 INFO L225 Difference]: With dead ends: 1630 [2022-10-16 02:30:34,141 INFO L226 Difference]: Without dead ends: 1630 [2022-10-16 02:30:34,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-10-16 02:30:34,142 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 485 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:34,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 2348 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 02:30:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2022-10-16 02:30:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1141. [2022-10-16 02:30:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 945 states have (on average 1.2857142857142858) internal successors, (1215), 955 states have internal predecessors, (1215), 131 states have call successors, (131), 64 states have call predecessors, (131), 64 states have return successors, (131), 125 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-16 02:30:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1477 transitions. [2022-10-16 02:30:34,183 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1477 transitions. Word has length 298 [2022-10-16 02:30:34,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:34,184 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1477 transitions. [2022-10-16 02:30:34,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 02:30:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1477 transitions. [2022-10-16 02:30:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-10-16 02:30:34,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:34,187 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:34,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:34,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-10-16 02:30:34,402 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:34,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1123726727, now seen corresponding path program 1 times [2022-10-16 02:30:34,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:34,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350527216] [2022-10-16 02:30:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:30:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-16 02:30:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-16 02:30:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:30:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2022-10-16 02:30:34,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:34,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350527216] [2022-10-16 02:30:34,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350527216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:34,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:34,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:30:34,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406459711] [2022-10-16 02:30:34,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:34,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:30:34,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:34,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:30:34,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:34,687 INFO L87 Difference]: Start difference. First operand 1141 states and 1477 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 02:30:35,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:35,109 INFO L93 Difference]: Finished difference Result 2069 states and 2847 transitions. [2022-10-16 02:30:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:30:35,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 298 [2022-10-16 02:30:35,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:35,122 INFO L225 Difference]: With dead ends: 2069 [2022-10-16 02:30:35,122 INFO L226 Difference]: Without dead ends: 2069 [2022-10-16 02:30:35,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:30:35,123 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 349 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:35,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1816 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 02:30:35,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2022-10-16 02:30:35,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1211. [2022-10-16 02:30:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1000 states have (on average 1.294) internal successors, (1294), 1010 states have internal predecessors, (1294), 146 states have call successors, (146), 64 states have call predecessors, (146), 64 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2022-10-16 02:30:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1586 transitions. [2022-10-16 02:30:35,172 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1586 transitions. Word has length 298 [2022-10-16 02:30:35,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:35,173 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1586 transitions. [2022-10-16 02:30:35,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-16 02:30:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1586 transitions. [2022-10-16 02:30:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-10-16 02:30:35,176 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:35,176 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:35,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 02:30:35,176 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:35,177 INFO L85 PathProgramCache]: Analyzing trace with hash 102658373, now seen corresponding path program 1 times [2022-10-16 02:30:35,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:35,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681396121] [2022-10-16 02:30:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:35,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:30:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-16 02:30:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-16 02:30:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:30:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-10-16 02:30:35,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:35,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681396121] [2022-10-16 02:30:35,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681396121] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:35,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241921172] [2022-10-16 02:30:35,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:35,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:35,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:35,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:35,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 02:30:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:36,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-16 02:30:36,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-10-16 02:30:36,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:30:36,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241921172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:36,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:30:36,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 17 [2022-10-16 02:30:36,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19798543] [2022-10-16 02:30:36,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:36,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 02:30:36,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:36,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 02:30:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-10-16 02:30:36,241 INFO L87 Difference]: Start difference. First operand 1211 states and 1586 transitions. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 9 states have internal predecessors, (117), 4 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-10-16 02:30:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:37,424 INFO L93 Difference]: Finished difference Result 3000 states and 4111 transitions. [2022-10-16 02:30:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 02:30:37,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 9 states have internal predecessors, (117), 4 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 298 [2022-10-16 02:30:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:37,440 INFO L225 Difference]: With dead ends: 3000 [2022-10-16 02:30:37,441 INFO L226 Difference]: Without dead ends: 3000 [2022-10-16 02:30:37,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=945, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 02:30:37,442 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 1347 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 3992 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:37,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 3992 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 02:30:37,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2022-10-16 02:30:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 1590. [2022-10-16 02:30:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1304 states have (on average 1.2921779141104295) internal successors, (1685), 1318 states have internal predecessors, (1685), 201 states have call successors, (201), 84 states have call predecessors, (201), 84 states have return successors, (201), 191 states have call predecessors, (201), 201 states have call successors, (201) [2022-10-16 02:30:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2087 transitions. [2022-10-16 02:30:37,513 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2087 transitions. Word has length 298 [2022-10-16 02:30:37,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:37,514 INFO L495 AbstractCegarLoop]: Abstraction has 1590 states and 2087 transitions. [2022-10-16 02:30:37,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 9 states have internal predecessors, (117), 4 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-10-16 02:30:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2087 transitions. [2022-10-16 02:30:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-10-16 02:30:37,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:37,517 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:37,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 02:30:37,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-10-16 02:30:37,730 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1296941051, now seen corresponding path program 1 times [2022-10-16 02:30:37,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:37,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914700448] [2022-10-16 02:30:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:37,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:30:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 02:30:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-16 02:30:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-10-16 02:30:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-10-16 02:30:37,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:37,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914700448] [2022-10-16 02:30:37,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914700448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:30:37,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:30:37,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:30:37,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764055289] [2022-10-16 02:30:37,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:30:37,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:30:37,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:37,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:30:37,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:30:37,979 INFO L87 Difference]: Start difference. First operand 1590 states and 2087 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-10-16 02:30:38,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:30:38,589 INFO L93 Difference]: Finished difference Result 1668 states and 2156 transitions. [2022-10-16 02:30:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:30:38,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 312 [2022-10-16 02:30:38,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:30:38,598 INFO L225 Difference]: With dead ends: 1668 [2022-10-16 02:30:38,599 INFO L226 Difference]: Without dead ends: 1668 [2022-10-16 02:30:38,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:30:38,600 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 512 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 02:30:38,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 976 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 02:30:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2022-10-16 02:30:38,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1393. [2022-10-16 02:30:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1151 states have (on average 1.2745438748913989) internal successors, (1467), 1159 states have internal predecessors, (1467), 171 states have call successors, (171), 70 states have call predecessors, (171), 70 states have return successors, (171), 163 states have call predecessors, (171), 171 states have call successors, (171) [2022-10-16 02:30:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1809 transitions. [2022-10-16 02:30:38,643 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1809 transitions. Word has length 312 [2022-10-16 02:30:38,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:30:38,644 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1809 transitions. [2022-10-16 02:30:38,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-10-16 02:30:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1809 transitions. [2022-10-16 02:30:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-10-16 02:30:38,649 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:30:38,649 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:30:38,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 02:30:38,650 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:30:38,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:30:38,650 INFO L85 PathProgramCache]: Analyzing trace with hash 266012677, now seen corresponding path program 1 times [2022-10-16 02:30:38,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:30:38,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632823018] [2022-10-16 02:30:38,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:38,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:30:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:30:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:30:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:30:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:30:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:30:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:30:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:30:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:30:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:30:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:30:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:30:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:30:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:30:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:30:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:30:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:30:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:30:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:30:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:30:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:30:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:30:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:30:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 02:30:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:30:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-16 02:30:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 02:30:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 02:30:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-10-16 02:30:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 02:30:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-10-16 02:30:39,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:30:39,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632823018] [2022-10-16 02:30:39,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632823018] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:30:39,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061397039] [2022-10-16 02:30:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:30:39,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:30:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:30:39,365 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:30:39,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 02:30:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:30:39,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-16 02:30:39,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:30:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 224 proven. 81 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-10-16 02:30:39,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:30:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 34 proven. 77 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2022-10-16 02:30:40,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061397039] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:30:40,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:30:40,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 27 [2022-10-16 02:30:40,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687827151] [2022-10-16 02:30:40,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:30:40,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-16 02:30:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:30:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-16 02:30:40,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2022-10-16 02:30:40,606 INFO L87 Difference]: Start difference. First operand 1393 states and 1809 transitions. Second operand has 27 states, 27 states have (on average 9.851851851851851) internal successors, (266), 23 states have internal predecessors, (266), 7 states have call successors, (51), 9 states have call predecessors, (51), 13 states have return successors, (51), 10 states have call predecessors, (51), 7 states have call successors, (51) [2022-10-16 02:31:00,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:31:00,123 INFO L93 Difference]: Finished difference Result 13512 states and 18997 transitions. [2022-10-16 02:31:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-10-16 02:31:00,124 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 9.851851851851851) internal successors, (266), 23 states have internal predecessors, (266), 7 states have call successors, (51), 9 states have call predecessors, (51), 13 states have return successors, (51), 10 states have call predecessors, (51), 7 states have call successors, (51) Word has length 352 [2022-10-16 02:31:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:31:00,186 INFO L225 Difference]: With dead ends: 13512 [2022-10-16 02:31:00,186 INFO L226 Difference]: Without dead ends: 13512 [2022-10-16 02:31:00,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 991 GetRequests, 756 SyntacticMatches, 1 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20978 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=6177, Invalid=49283, Unknown=0, NotChecked=0, Total=55460 [2022-10-16 02:31:00,206 INFO L413 NwaCegarLoop]: 826 mSDtfsCounter, 8871 mSDsluCounter, 9303 mSDsCounter, 0 mSdLazyCounter, 12625 mSolverCounterSat, 4796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8871 SdHoareTripleChecker+Valid, 10129 SdHoareTripleChecker+Invalid, 17421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4796 IncrementalHoareTripleChecker+Valid, 12625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:31:00,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8871 Valid, 10129 Invalid, 17421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4796 Valid, 12625 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2022-10-16 02:31:00,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13512 states. [2022-10-16 02:31:00,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13512 to 6003. [2022-10-16 02:31:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6003 states, 4737 states have (on average 1.2947012877348534) internal successors, (6133), 4788 states have internal predecessors, (6133), 924 states have call successors, (924), 317 states have call predecessors, (924), 341 states have return successors, (972), 897 states have call predecessors, (972), 924 states have call successors, (972) [2022-10-16 02:31:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8029 transitions. [2022-10-16 02:31:00,664 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8029 transitions. Word has length 352 [2022-10-16 02:31:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:31:00,665 INFO L495 AbstractCegarLoop]: Abstraction has 6003 states and 8029 transitions. [2022-10-16 02:31:00,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.851851851851851) internal successors, (266), 23 states have internal predecessors, (266), 7 states have call successors, (51), 9 states have call predecessors, (51), 13 states have return successors, (51), 10 states have call predecessors, (51), 7 states have call successors, (51) [2022-10-16 02:31:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8029 transitions. [2022-10-16 02:31:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-10-16 02:31:00,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:31:00,683 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:31:00,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 02:31:00,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:31:00,898 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:31:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:31:00,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1863224550, now seen corresponding path program 1 times [2022-10-16 02:31:00,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:31:00,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109355129] [2022-10-16 02:31:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:00,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:31:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:31:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:31:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:31:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:31:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:31:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:31:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:31:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:31:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:31:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:31:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:31:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:31:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:31:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:31:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:31:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:31:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:31:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:31:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:31:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:31:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:31:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 02:31:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:31:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-16 02:31:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 02:31:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 02:31:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-10-16 02:31:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 02:31:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-10-16 02:31:01,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:31:01,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109355129] [2022-10-16 02:31:01,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109355129] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:31:01,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487808630] [2022-10-16 02:31:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:31:01,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:31:01,159 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:31:01,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 02:31:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:01,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 02:31:01,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:31:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2022-10-16 02:31:01,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:31:01,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487808630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:31:01,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:31:01,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2022-10-16 02:31:01,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238604869] [2022-10-16 02:31:01,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:31:01,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:31:01,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:31:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:31:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:31:01,534 INFO L87 Difference]: Start difference. First operand 6003 states and 8029 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-16 02:31:02,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:31:02,094 INFO L93 Difference]: Finished difference Result 9050 states and 12205 transitions. [2022-10-16 02:31:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 02:31:02,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 352 [2022-10-16 02:31:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:31:02,125 INFO L225 Difference]: With dead ends: 9050 [2022-10-16 02:31:02,125 INFO L226 Difference]: Without dead ends: 9050 [2022-10-16 02:31:02,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2022-10-16 02:31:02,126 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 522 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 02:31:02,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 2581 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 02:31:02,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9050 states. [2022-10-16 02:31:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9050 to 4402. [2022-10-16 02:31:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4402 states, 3523 states have (on average 1.2713596366732898) internal successors, (4479), 3571 states have internal predecessors, (4479), 612 states have call successors, (612), 245 states have call predecessors, (612), 266 states have return successors, (642), 585 states have call predecessors, (642), 612 states have call successors, (642) [2022-10-16 02:31:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4402 states and 5733 transitions. [2022-10-16 02:31:02,349 INFO L78 Accepts]: Start accepts. Automaton has 4402 states and 5733 transitions. Word has length 352 [2022-10-16 02:31:02,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:31:02,350 INFO L495 AbstractCegarLoop]: Abstraction has 4402 states and 5733 transitions. [2022-10-16 02:31:02,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-16 02:31:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 4402 states and 5733 transitions. [2022-10-16 02:31:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-10-16 02:31:02,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:31:02,367 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:31:02,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-10-16 02:31:02,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 02:31:02,582 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:31:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:31:02,583 INFO L85 PathProgramCache]: Analyzing trace with hash -147528730, now seen corresponding path program 1 times [2022-10-16 02:31:02,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:31:02,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837867258] [2022-10-16 02:31:02,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:02,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:31:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:31:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:31:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:31:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:31:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:31:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:31:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:31:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:31:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:31:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:31:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:31:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:31:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:31:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:31:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:31:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:31:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:31:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:31:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:31:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:31:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:31:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 02:31:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:31:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-16 02:31:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 02:31:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 02:31:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-10-16 02:31:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 02:31:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2022-10-16 02:31:02,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:31:02,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837867258] [2022-10-16 02:31:02,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837867258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:31:02,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:31:02,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:31:02,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103676953] [2022-10-16 02:31:02,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:31:02,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:31:02,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:31:02,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:31:02,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:31:02,963 INFO L87 Difference]: Start difference. First operand 4402 states and 5733 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 4 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-16 02:31:03,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:31:03,403 INFO L93 Difference]: Finished difference Result 4402 states and 5729 transitions. [2022-10-16 02:31:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:31:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 4 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 352 [2022-10-16 02:31:03,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:31:03,417 INFO L225 Difference]: With dead ends: 4402 [2022-10-16 02:31:03,418 INFO L226 Difference]: Without dead ends: 4402 [2022-10-16 02:31:03,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:31:03,419 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 290 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 02:31:03,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 515 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 02:31:03,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4402 states. [2022-10-16 02:31:03,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4402 to 4402. [2022-10-16 02:31:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4402 states, 3523 states have (on average 1.2702242407039455) internal successors, (4475), 3571 states have internal predecessors, (4475), 612 states have call successors, (612), 245 states have call predecessors, (612), 266 states have return successors, (642), 585 states have call predecessors, (642), 612 states have call successors, (642) [2022-10-16 02:31:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4402 states and 5729 transitions. [2022-10-16 02:31:03,588 INFO L78 Accepts]: Start accepts. Automaton has 4402 states and 5729 transitions. Word has length 352 [2022-10-16 02:31:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:31:03,589 INFO L495 AbstractCegarLoop]: Abstraction has 4402 states and 5729 transitions. [2022-10-16 02:31:03,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 4 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-16 02:31:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4402 states and 5729 transitions. [2022-10-16 02:31:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-10-16 02:31:03,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:31:03,606 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:31:03,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 02:31:03,606 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:31:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:31:03,607 INFO L85 PathProgramCache]: Analyzing trace with hash 96068135, now seen corresponding path program 1 times [2022-10-16 02:31:03,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:31:03,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307384525] [2022-10-16 02:31:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:03,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:31:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:31:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:31:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:31:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:31:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:31:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:31:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:31:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:31:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:31:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:31:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:31:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:31:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:31:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:31:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:31:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:31:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:31:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:31:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:31:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:31:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:31:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 02:31:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:31:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-16 02:31:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 02:31:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 02:31:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-10-16 02:31:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 02:31:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2022-10-16 02:31:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:31:03,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307384525] [2022-10-16 02:31:03,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307384525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:31:03,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:31:03,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:31:03,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146910440] [2022-10-16 02:31:03,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:31:03,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:31:03,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:31:03,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:31:03,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:31:03,864 INFO L87 Difference]: Start difference. First operand 4402 states and 5729 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 02:31:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:31:04,186 INFO L93 Difference]: Finished difference Result 8320 states and 10842 transitions. [2022-10-16 02:31:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:31:04,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 352 [2022-10-16 02:31:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:31:04,210 INFO L225 Difference]: With dead ends: 8320 [2022-10-16 02:31:04,210 INFO L226 Difference]: Without dead ends: 8320 [2022-10-16 02:31:04,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:31:04,211 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 216 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 02:31:04,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 648 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 02:31:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8320 states. [2022-10-16 02:31:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8320 to 4653. [2022-10-16 02:31:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4653 states, 3774 states have (on average 1.2652358240593535) internal successors, (4775), 3822 states have internal predecessors, (4775), 612 states have call successors, (612), 245 states have call predecessors, (612), 266 states have return successors, (642), 585 states have call predecessors, (642), 612 states have call successors, (642) [2022-10-16 02:31:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4653 states and 6029 transitions. [2022-10-16 02:31:04,390 INFO L78 Accepts]: Start accepts. Automaton has 4653 states and 6029 transitions. Word has length 352 [2022-10-16 02:31:04,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:31:04,390 INFO L495 AbstractCegarLoop]: Abstraction has 4653 states and 6029 transitions. [2022-10-16 02:31:04,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 02:31:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4653 states and 6029 transitions. [2022-10-16 02:31:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-10-16 02:31:04,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:31:04,403 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:31:04,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 02:31:04,403 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:31:04,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:31:04,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1625934551, now seen corresponding path program 1 times [2022-10-16 02:31:04,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:31:04,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197212744] [2022-10-16 02:31:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:04,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:31:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:31:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:31:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:31:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:31:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:31:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:31:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:31:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:31:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:31:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:31:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:31:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:31:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:31:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:31:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:31:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:31:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:31:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:31:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:31:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-16 02:31:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:31:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 02:31:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 02:31:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-16 02:31:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 02:31:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 02:31:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-10-16 02:31:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 02:31:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-10-16 02:31:04,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:31:04,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197212744] [2022-10-16 02:31:04,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197212744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:31:04,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:31:04,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:31:04,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259130564] [2022-10-16 02:31:04,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:31:04,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:31:04,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:31:04,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:31:04,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:31:04,763 INFO L87 Difference]: Start difference. First operand 4653 states and 6029 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 02:31:04,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:31:04,954 INFO L93 Difference]: Finished difference Result 4668 states and 6029 transitions. [2022-10-16 02:31:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:31:04,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 352 [2022-10-16 02:31:04,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:31:04,968 INFO L225 Difference]: With dead ends: 4668 [2022-10-16 02:31:04,968 INFO L226 Difference]: Without dead ends: 4512 [2022-10-16 02:31:04,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:31:04,969 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 54 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:31:04,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 551 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:31:04,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2022-10-16 02:31:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2022-10-16 02:31:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 3633 states have (on average 1.2614918799889898) internal successors, (4583), 3681 states have internal predecessors, (4583), 612 states have call successors, (612), 245 states have call predecessors, (612), 266 states have return successors, (642), 585 states have call predecessors, (642), 612 states have call successors, (642) [2022-10-16 02:31:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 5837 transitions. [2022-10-16 02:31:05,085 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 5837 transitions. Word has length 352 [2022-10-16 02:31:05,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:31:05,086 INFO L495 AbstractCegarLoop]: Abstraction has 4512 states and 5837 transitions. [2022-10-16 02:31:05,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 02:31:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 5837 transitions. [2022-10-16 02:31:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-10-16 02:31:05,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:31:05,098 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:31:05,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 02:31:05,098 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:31:05,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:31:05,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1850998980, now seen corresponding path program 1 times [2022-10-16 02:31:05,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:31:05,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180678815] [2022-10-16 02:31:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:05,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:31:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:31:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:31:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:31:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:31:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:31:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:31:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:31:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:31:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:31:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:31:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:31:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:31:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:31:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:31:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:31:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 02:31:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 02:31:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 02:31:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-16 02:31:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:31:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 02:31:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 02:31:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-16 02:31:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-10-16 02:31:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-10-16 02:31:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 02:31:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-10-16 02:31:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-10-16 02:31:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-10-16 02:31:05,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:31:05,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180678815] [2022-10-16 02:31:05,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180678815] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:31:05,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803001692] [2022-10-16 02:31:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:05,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:31:05,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:31:05,357 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:31:05,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 02:31:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:05,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:31:05,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:31:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2022-10-16 02:31:05,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:31:05,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803001692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:31:05,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:31:05,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 02:31:05,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609616518] [2022-10-16 02:31:05,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:31:05,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:31:05,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:31:05,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:31:05,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:31:05,610 INFO L87 Difference]: Start difference. First operand 4512 states and 5837 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 02:31:05,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:31:05,676 INFO L93 Difference]: Finished difference Result 4692 states and 5876 transitions. [2022-10-16 02:31:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:31:05,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 353 [2022-10-16 02:31:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:31:05,688 INFO L225 Difference]: With dead ends: 4692 [2022-10-16 02:31:05,688 INFO L226 Difference]: Without dead ends: 4452 [2022-10-16 02:31:05,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:31:05,689 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 40 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:31:05,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 672 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:31:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2022-10-16 02:31:05,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 4452. [2022-10-16 02:31:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4452 states, 3594 states have (on average 1.2276015581524764) internal successors, (4412), 3630 states have internal predecessors, (4412), 612 states have call successors, (612), 245 states have call predecessors, (612), 245 states have return successors, (612), 576 states have call predecessors, (612), 612 states have call successors, (612) [2022-10-16 02:31:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4452 states to 4452 states and 5636 transitions. [2022-10-16 02:31:05,855 INFO L78 Accepts]: Start accepts. Automaton has 4452 states and 5636 transitions. Word has length 353 [2022-10-16 02:31:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:31:05,857 INFO L495 AbstractCegarLoop]: Abstraction has 4452 states and 5636 transitions. [2022-10-16 02:31:05,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 02:31:05,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4452 states and 5636 transitions. [2022-10-16 02:31:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-10-16 02:31:05,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:31:05,868 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:31:05,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 02:31:06,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:31:06,084 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:31:06,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:31:06,084 INFO L85 PathProgramCache]: Analyzing trace with hash -2051577130, now seen corresponding path program 1 times [2022-10-16 02:31:06,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:31:06,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874887175] [2022-10-16 02:31:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:06,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:31:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:31:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:31:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:31:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:31:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:31:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:31:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:31:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:31:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:31:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:31:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:31:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:31:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:31:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:31:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:31:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:31:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:31:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:31:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 02:31:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-16 02:31:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:31:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 02:31:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 02:31:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-16 02:31:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-10-16 02:31:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-10-16 02:31:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 02:31:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-10-16 02:31:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-10-16 02:31:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-10-16 02:31:06,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:31:06,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874887175] [2022-10-16 02:31:06,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874887175] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:31:06,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146738463] [2022-10-16 02:31:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:31:06,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:31:06,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:31:06,978 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:31:06,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 02:31:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:31:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-16 02:31:07,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:31:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 190 proven. 105 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-10-16 02:31:07,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:31:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 33 proven. 72 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2022-10-16 02:31:08,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146738463] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:31:08,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:31:08,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 30 [2022-10-16 02:31:08,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373843130] [2022-10-16 02:31:08,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:31:08,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 02:31:08,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:31:08,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 02:31:08,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-10-16 02:31:08,352 INFO L87 Difference]: Start difference. First operand 4452 states and 5636 transitions. Second operand has 30 states, 30 states have (on average 9.033333333333333) internal successors, (271), 26 states have internal predecessors, (271), 8 states have call successors, (54), 9 states have call predecessors, (54), 13 states have return successors, (54), 11 states have call predecessors, (54), 8 states have call successors, (54) [2022-10-16 02:32:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:02,241 INFO L93 Difference]: Finished difference Result 20475 states and 26976 transitions. [2022-10-16 02:32:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 509 states. [2022-10-16 02:32:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.033333333333333) internal successors, (271), 26 states have internal predecessors, (271), 8 states have call successors, (54), 9 states have call predecessors, (54), 13 states have return successors, (54), 11 states have call predecessors, (54), 8 states have call successors, (54) Word has length 353 [2022-10-16 02:32:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:02,298 INFO L225 Difference]: With dead ends: 20475 [2022-10-16 02:32:02,299 INFO L226 Difference]: Without dead ends: 20475 [2022-10-16 02:32:02,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1305 GetRequests, 770 SyntacticMatches, 1 SemanticMatches, 534 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124605 ImplicationChecksByTransitivity, 29.1s TimeCoverageRelationStatistics Valid=21449, Invalid=265311, Unknown=0, NotChecked=0, Total=286760 [2022-10-16 02:32:02,338 INFO L413 NwaCegarLoop]: 1732 mSDtfsCounter, 5638 mSDsluCounter, 22563 mSDsCounter, 0 mSdLazyCounter, 27172 mSolverCounterSat, 5913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 24295 SdHoareTripleChecker+Invalid, 33085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5913 IncrementalHoareTripleChecker+Valid, 27172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:02,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5638 Valid, 24295 Invalid, 33085 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5913 Valid, 27172 Invalid, 0 Unknown, 0 Unchecked, 22.9s Time] [2022-10-16 02:32:02,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20475 states. [2022-10-16 02:32:02,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20475 to 7771. [2022-10-16 02:32:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7771 states, 6275 states have (on average 1.2302788844621515) internal successors, (7720), 6340 states have internal predecessors, (7720), 1061 states have call successors, (1061), 434 states have call predecessors, (1061), 434 states have return successors, (1061), 996 states have call predecessors, (1061), 1061 states have call successors, (1061) [2022-10-16 02:32:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7771 states to 7771 states and 9842 transitions. [2022-10-16 02:32:02,723 INFO L78 Accepts]: Start accepts. Automaton has 7771 states and 9842 transitions. Word has length 353 [2022-10-16 02:32:02,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:02,724 INFO L495 AbstractCegarLoop]: Abstraction has 7771 states and 9842 transitions. [2022-10-16 02:32:02,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.033333333333333) internal successors, (271), 26 states have internal predecessors, (271), 8 states have call successors, (54), 9 states have call predecessors, (54), 13 states have return successors, (54), 11 states have call predecessors, (54), 8 states have call successors, (54) [2022-10-16 02:32:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 7771 states and 9842 transitions. [2022-10-16 02:32:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-10-16 02:32:02,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:02,746 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 9, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:02,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 02:32:02,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:02,961 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:02,962 INFO L85 PathProgramCache]: Analyzing trace with hash 369128554, now seen corresponding path program 1 times [2022-10-16 02:32:02,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:02,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241031424] [2022-10-16 02:32:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:02,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:32:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:32:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:32:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:32:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:32:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:32:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 02:32:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 02:32:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 02:32:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-16 02:32:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:32:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 02:32:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 02:32:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-16 02:32:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-10-16 02:32:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-10-16 02:32:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 02:32:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-10-16 02:32:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-10-16 02:32:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-10-16 02:32:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2022-10-16 02:32:03,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:03,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241031424] [2022-10-16 02:32:03,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241031424] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:32:03,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956788543] [2022-10-16 02:32:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:03,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:03,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:32:03,578 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:32:03,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 02:32:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:03,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-16 02:32:03,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:32:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 328 proven. 118 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-10-16 02:32:04,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:32:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 51 proven. 204 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2022-10-16 02:32:05,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956788543] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:32:05,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:32:05,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 19] total 35 [2022-10-16 02:32:05,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614996633] [2022-10-16 02:32:05,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:32:05,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 02:32:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 02:32:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1089, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 02:32:05,324 INFO L87 Difference]: Start difference. First operand 7771 states and 9842 transitions. Second operand has 35 states, 34 states have (on average 8.941176470588236) internal successors, (304), 30 states have internal predecessors, (304), 10 states have call successors, (61), 10 states have call predecessors, (61), 11 states have return successors, (62), 12 states have call predecessors, (62), 9 states have call successors, (62) [2022-10-16 02:32:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:27,610 INFO L93 Difference]: Finished difference Result 41046 states and 57695 transitions. [2022-10-16 02:32:27,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2022-10-16 02:32:27,611 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 8.941176470588236) internal successors, (304), 30 states have internal predecessors, (304), 10 states have call successors, (61), 10 states have call predecessors, (61), 11 states have return successors, (62), 12 states have call predecessors, (62), 9 states have call successors, (62) Word has length 363 [2022-10-16 02:32:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:27,714 INFO L225 Difference]: With dead ends: 41046 [2022-10-16 02:32:27,714 INFO L226 Difference]: Without dead ends: 41046 [2022-10-16 02:32:27,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15103 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=3227, Invalid=38185, Unknown=0, NotChecked=0, Total=41412 [2022-10-16 02:32:27,720 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 4482 mSDsluCounter, 21380 mSDsCounter, 0 mSdLazyCounter, 21150 mSolverCounterSat, 2219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4508 SdHoareTripleChecker+Valid, 22477 SdHoareTripleChecker+Invalid, 23369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2219 IncrementalHoareTripleChecker+Valid, 21150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:27,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4508 Valid, 22477 Invalid, 23369 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2219 Valid, 21150 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-10-16 02:32:27,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41046 states. [2022-10-16 02:32:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41046 to 8231. [2022-10-16 02:32:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8231 states, 6681 states have (on average 1.2263134261338122) internal successors, (8193), 6746 states have internal predecessors, (8193), 1090 states have call successors, (1090), 457 states have call predecessors, (1090), 459 states have return successors, (1094), 1027 states have call predecessors, (1094), 1090 states have call successors, (1094) [2022-10-16 02:32:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8231 states to 8231 states and 10377 transitions. [2022-10-16 02:32:28,461 INFO L78 Accepts]: Start accepts. Automaton has 8231 states and 10377 transitions. Word has length 363 [2022-10-16 02:32:28,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:28,462 INFO L495 AbstractCegarLoop]: Abstraction has 8231 states and 10377 transitions. [2022-10-16 02:32:28,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 8.941176470588236) internal successors, (304), 30 states have internal predecessors, (304), 10 states have call successors, (61), 10 states have call predecessors, (61), 11 states have return successors, (62), 12 states have call predecessors, (62), 9 states have call successors, (62) [2022-10-16 02:32:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8231 states and 10377 transitions. [2022-10-16 02:32:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-10-16 02:32:28,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:28,482 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:28,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 02:32:28,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:28,696 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:28,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:28,697 INFO L85 PathProgramCache]: Analyzing trace with hash 379304818, now seen corresponding path program 1 times [2022-10-16 02:32:28,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:28,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610002421] [2022-10-16 02:32:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:28,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 02:32:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 02:32:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 02:32:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 02:32:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 02:32:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 02:32:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 02:32:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 02:32:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-16 02:32:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-16 02:32:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-16 02:32:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 02:32:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-10-16 02:32:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 02:32:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-10-16 02:32:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 02:32:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-10-16 02:32:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-10-16 02:32:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-16 02:32:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-16 02:32:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-10-16 02:32:28,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:28,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610002421] [2022-10-16 02:32:28,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610002421] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:32:28,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103989081] [2022-10-16 02:32:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:28,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:28,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:32:28,976 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:32:28,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 02:32:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:29,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:32:29,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:32:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2022-10-16 02:32:29,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:32:29,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103989081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:32:29,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:32:29,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 02:32:29,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203389059] [2022-10-16 02:32:29,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:32:29,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:32:29,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:29,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:32:29,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:32:29,510 INFO L87 Difference]: Start difference. First operand 8231 states and 10377 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-16 02:32:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:29,640 INFO L93 Difference]: Finished difference Result 8259 states and 10398 transitions. [2022-10-16 02:32:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:32:29,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 366 [2022-10-16 02:32:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:29,662 INFO L225 Difference]: With dead ends: 8259 [2022-10-16 02:32:29,662 INFO L226 Difference]: Without dead ends: 8259 [2022-10-16 02:32:29,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:32:29,664 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 204 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:29,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 429 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:32:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8259 states. [2022-10-16 02:32:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8259 to 8231. [2022-10-16 02:32:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8231 states, 6681 states have (on average 1.2252656787906002) internal successors, (8186), 6746 states have internal predecessors, (8186), 1090 states have call successors, (1090), 457 states have call predecessors, (1090), 459 states have return successors, (1094), 1027 states have call predecessors, (1094), 1090 states have call successors, (1094) [2022-10-16 02:32:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8231 states to 8231 states and 10370 transitions. [2022-10-16 02:32:29,842 INFO L78 Accepts]: Start accepts. Automaton has 8231 states and 10370 transitions. Word has length 366 [2022-10-16 02:32:29,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:29,843 INFO L495 AbstractCegarLoop]: Abstraction has 8231 states and 10370 transitions. [2022-10-16 02:32:29,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-16 02:32:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 8231 states and 10370 transitions. [2022-10-16 02:32:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-10-16 02:32:29,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:29,866 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:29,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 02:32:30,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:30,080 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1251704447, now seen corresponding path program 1 times [2022-10-16 02:32:30,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:30,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851546380] [2022-10-16 02:32:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:30,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 02:32:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 02:32:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 02:32:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 02:32:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 02:32:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 02:32:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 02:32:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 02:32:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-16 02:32:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-16 02:32:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-16 02:32:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 02:32:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-10-16 02:32:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 02:32:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-10-16 02:32:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 02:32:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-10-16 02:32:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-10-16 02:32:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-10-16 02:32:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-10-16 02:32:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-10-16 02:32:30,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:30,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851546380] [2022-10-16 02:32:30,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851546380] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:32:30,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197646157] [2022-10-16 02:32:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:30,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:32:30,301 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:32:30,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 02:32:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:30,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:32:30,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:32:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-10-16 02:32:30,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:32:30,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197646157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:32:30,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:32:30,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 02:32:30,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674774090] [2022-10-16 02:32:30,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:32:30,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:32:30,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:30,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:32:30,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:32:30,879 INFO L87 Difference]: Start difference. First operand 8231 states and 10370 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 02:32:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:31,005 INFO L93 Difference]: Finished difference Result 8294 states and 10419 transitions. [2022-10-16 02:32:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:32:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 366 [2022-10-16 02:32:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:31,023 INFO L225 Difference]: With dead ends: 8294 [2022-10-16 02:32:31,023 INFO L226 Difference]: Without dead ends: 8294 [2022-10-16 02:32:31,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:32:31,024 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 206 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:31,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 428 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:32:31,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8294 states. [2022-10-16 02:32:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8294 to 8273. [2022-10-16 02:32:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8273 states, 6723 states have (on average 1.2217759928603302) internal successors, (8214), 6788 states have internal predecessors, (8214), 1090 states have call successors, (1090), 457 states have call predecessors, (1090), 459 states have return successors, (1094), 1027 states have call predecessors, (1094), 1090 states have call successors, (1094) [2022-10-16 02:32:31,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8273 states to 8273 states and 10398 transitions. [2022-10-16 02:32:31,197 INFO L78 Accepts]: Start accepts. Automaton has 8273 states and 10398 transitions. Word has length 366 [2022-10-16 02:32:31,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:31,198 INFO L495 AbstractCegarLoop]: Abstraction has 8273 states and 10398 transitions. [2022-10-16 02:32:31,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 02:32:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 8273 states and 10398 transitions. [2022-10-16 02:32:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-10-16 02:32:31,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:31,213 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:31,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 02:32:31,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-10-16 02:32:31,428 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash 752036943, now seen corresponding path program 1 times [2022-10-16 02:32:31,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:31,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193725300] [2022-10-16 02:32:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:31,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 02:32:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 02:32:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 02:32:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 02:32:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 02:32:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-16 02:32:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-10-16 02:32:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 02:32:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-16 02:32:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 02:32:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 02:32:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-16 02:32:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-16 02:32:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-10-16 02:32:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-10-16 02:32:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-10-16 02:32:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-10-16 02:32:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-10-16 02:32:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-10-16 02:32:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 02:32:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-10-16 02:32:31,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:31,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193725300] [2022-10-16 02:32:31,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193725300] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:32:31,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690649235] [2022-10-16 02:32:31,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:31,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:31,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:32:31,689 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:32:31,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 02:32:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:31,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 02:32:31,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:32:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2022-10-16 02:32:32,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:32:32,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690649235] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:32:32,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:32:32,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-10-16 02:32:32,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143199554] [2022-10-16 02:32:32,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:32:32,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:32:32,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:32,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:32:32,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:32:32,007 INFO L87 Difference]: Start difference. First operand 8273 states and 10398 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 02:32:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:32,099 INFO L93 Difference]: Finished difference Result 7833 states and 9883 transitions. [2022-10-16 02:32:32,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:32:32,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 367 [2022-10-16 02:32:32,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:32,120 INFO L225 Difference]: With dead ends: 7833 [2022-10-16 02:32:32,120 INFO L226 Difference]: Without dead ends: 7821 [2022-10-16 02:32:32,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:32:32,121 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 28 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:32,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 679 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:32:32,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7821 states. [2022-10-16 02:32:32,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7821 to 7821. [2022-10-16 02:32:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7821 states, 6324 states have (on average 1.2253320683111955) internal successors, (7749), 6389 states have internal predecessors, (7749), 1061 states have call successors, (1061), 435 states have call predecessors, (1061), 435 states have return successors, (1061), 996 states have call predecessors, (1061), 1061 states have call successors, (1061) [2022-10-16 02:32:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7821 states to 7821 states and 9871 transitions. [2022-10-16 02:32:32,360 INFO L78 Accepts]: Start accepts. Automaton has 7821 states and 9871 transitions. Word has length 367 [2022-10-16 02:32:32,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:32,360 INFO L495 AbstractCegarLoop]: Abstraction has 7821 states and 9871 transitions. [2022-10-16 02:32:32,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 02:32:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7821 states and 9871 transitions. [2022-10-16 02:32:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-10-16 02:32:32,381 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:32,381 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:32,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-10-16 02:32:32,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-10-16 02:32:32,595 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:32,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash -529749776, now seen corresponding path program 1 times [2022-10-16 02:32:32,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:32,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106547854] [2022-10-16 02:32:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:32,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:32:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:32:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:32:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:32:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:32:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:32:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 02:32:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-16 02:32:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 02:32:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 02:32:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-16 02:32:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 02:32:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-16 02:32:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-16 02:32:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-16 02:32:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-10-16 02:32:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-16 02:32:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-16 02:32:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-16 02:32:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-16 02:32:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-10-16 02:32:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2022-10-16 02:32:33,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:33,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106547854] [2022-10-16 02:32:33,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106547854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:32:33,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:32:33,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 02:32:33,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95877012] [2022-10-16 02:32:33,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:32:33,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 02:32:33,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:33,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 02:32:33,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 02:32:33,013 INFO L87 Difference]: Start difference. First operand 7821 states and 9871 transitions. Second operand has 10 states, 10 states have (on average 12.4) internal successors, (124), 8 states have internal predecessors, (124), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-16 02:32:34,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:34,704 INFO L93 Difference]: Finished difference Result 13626 states and 17845 transitions. [2022-10-16 02:32:34,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 02:32:34,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 8 states have internal predecessors, (124), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 374 [2022-10-16 02:32:34,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:34,724 INFO L225 Difference]: With dead ends: 13626 [2022-10-16 02:32:34,724 INFO L226 Difference]: Without dead ends: 13626 [2022-10-16 02:32:34,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 02:32:34,724 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 706 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 2222 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 2955 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 2222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:34,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 2955 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 2222 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 02:32:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13626 states. [2022-10-16 02:32:34,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13626 to 6346. [2022-10-16 02:32:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6346 states, 5219 states have (on average 1.2165165740563326) internal successors, (6349), 5264 states have internal predecessors, (6349), 781 states have call successors, (781), 345 states have call predecessors, (781), 345 states have return successors, (781), 736 states have call predecessors, (781), 781 states have call successors, (781) [2022-10-16 02:32:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6346 states to 6346 states and 7911 transitions. [2022-10-16 02:32:35,040 INFO L78 Accepts]: Start accepts. Automaton has 6346 states and 7911 transitions. Word has length 374 [2022-10-16 02:32:35,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:35,040 INFO L495 AbstractCegarLoop]: Abstraction has 6346 states and 7911 transitions. [2022-10-16 02:32:35,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 8 states have internal predecessors, (124), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-16 02:32:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6346 states and 7911 transitions. [2022-10-16 02:32:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-10-16 02:32:35,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:35,053 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:35,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 02:32:35,053 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash -618727126, now seen corresponding path program 1 times [2022-10-16 02:32:35,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:35,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394464684] [2022-10-16 02:32:35,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:35,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:32:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:32:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:32:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:32:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:32:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:32:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-16 02:32:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-16 02:32:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 02:32:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 02:32:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 02:32:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-16 02:32:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-16 02:32:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-16 02:32:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 02:32:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-10-16 02:32:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-16 02:32:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-16 02:32:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-16 02:32:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-16 02:32:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-10-16 02:32:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-10-16 02:32:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:35,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394464684] [2022-10-16 02:32:35,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394464684] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:32:35,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986325785] [2022-10-16 02:32:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:32:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:32:35,651 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:32:35,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 02:32:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:35,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 66 conjunts are in the unsatisfiable core [2022-10-16 02:32:35,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:32:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 457 proven. 205 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-10-16 02:32:37,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:32:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 113 proven. 189 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-10-16 02:32:38,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986325785] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:32:38,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:32:38,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 27, 21] total 50 [2022-10-16 02:32:38,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586507408] [2022-10-16 02:32:38,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:32:38,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-10-16 02:32:38,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:38,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-10-16 02:32:38,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2248, Unknown=0, NotChecked=0, Total=2450 [2022-10-16 02:32:38,898 INFO L87 Difference]: Start difference. First operand 6346 states and 7911 transitions. Second operand has 50 states, 50 states have (on average 7.64) internal successors, (382), 43 states have internal predecessors, (382), 16 states have call successors, (64), 13 states have call predecessors, (64), 18 states have return successors, (66), 19 states have call predecessors, (66), 16 states have call successors, (66) [2022-10-16 02:32:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:58,116 INFO L93 Difference]: Finished difference Result 18626 states and 24620 transitions. [2022-10-16 02:32:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-10-16 02:32:58,117 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 7.64) internal successors, (382), 43 states have internal predecessors, (382), 16 states have call successors, (64), 13 states have call predecessors, (64), 18 states have return successors, (66), 19 states have call predecessors, (66), 16 states have call successors, (66) Word has length 374 [2022-10-16 02:32:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:58,146 INFO L225 Difference]: With dead ends: 18626 [2022-10-16 02:32:58,147 INFO L226 Difference]: Without dead ends: 18626 [2022-10-16 02:32:58,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 974 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11286 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=2787, Invalid=32745, Unknown=0, NotChecked=0, Total=35532 [2022-10-16 02:32:58,150 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 3312 mSDsluCounter, 23416 mSDsCounter, 0 mSdLazyCounter, 17441 mSolverCounterSat, 1416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3326 SdHoareTripleChecker+Valid, 24548 SdHoareTripleChecker+Invalid, 18857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1416 IncrementalHoareTripleChecker+Valid, 17441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:58,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3326 Valid, 24548 Invalid, 18857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1416 Valid, 17441 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-10-16 02:32:58,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18626 states. [2022-10-16 02:32:58,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18626 to 6340. [2022-10-16 02:32:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6340 states, 5212 states have (on average 1.2158480429777436) internal successors, (6337), 5257 states have internal predecessors, (6337), 781 states have call successors, (781), 346 states have call predecessors, (781), 346 states have return successors, (781), 736 states have call predecessors, (781), 781 states have call successors, (781) [2022-10-16 02:32:58,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6340 states to 6340 states and 7899 transitions. [2022-10-16 02:32:58,435 INFO L78 Accepts]: Start accepts. Automaton has 6340 states and 7899 transitions. Word has length 374 [2022-10-16 02:32:58,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:58,436 INFO L495 AbstractCegarLoop]: Abstraction has 6340 states and 7899 transitions. [2022-10-16 02:32:58,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.64) internal successors, (382), 43 states have internal predecessors, (382), 16 states have call successors, (64), 13 states have call predecessors, (64), 18 states have return successors, (66), 19 states have call predecessors, (66), 16 states have call successors, (66) [2022-10-16 02:32:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 6340 states and 7899 transitions. [2022-10-16 02:32:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-10-16 02:32:58,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:58,453 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 9, 9, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:58,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-10-16 02:32:58,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-10-16 02:32:58,669 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:58,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:58,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2113508713, now seen corresponding path program 1 times [2022-10-16 02:32:58,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:58,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414536043] [2022-10-16 02:32:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:58,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:32:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:32:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:32:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:32:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:32:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:32:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:32:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:32:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:32:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:32:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:32:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:32:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:32:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:32:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:32:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:32:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-16 02:32:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-16 02:32:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 02:32:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 02:32:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 02:32:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 02:32:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-16 02:32:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-16 02:32:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 02:32:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-10-16 02:32:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 02:32:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-10-16 02:32:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-16 02:32:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-10-16 02:32:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-10-16 02:32:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-10-16 02:32:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:32:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2022-10-16 02:32:59,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:32:59,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414536043] [2022-10-16 02:32:59,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414536043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:32:59,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:32:59,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:32:59,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353256150] [2022-10-16 02:32:59,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:32:59,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:32:59,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:32:59,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:32:59,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:32:59,116 INFO L87 Difference]: Start difference. First operand 6340 states and 7899 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 02:32:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:32:59,301 INFO L93 Difference]: Finished difference Result 3464 states and 4265 transitions. [2022-10-16 02:32:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:32:59,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 385 [2022-10-16 02:32:59,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:32:59,309 INFO L225 Difference]: With dead ends: 3464 [2022-10-16 02:32:59,309 INFO L226 Difference]: Without dead ends: 3460 [2022-10-16 02:32:59,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:32:59,310 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 51 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:32:59,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 542 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:32:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2022-10-16 02:32:59,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3460. [2022-10-16 02:32:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 2860 states have (on average 1.201048951048951) internal successors, (3435), 2884 states have internal predecessors, (3435), 413 states have call successors, (413), 186 states have call predecessors, (413), 186 states have return successors, (413), 389 states have call predecessors, (413), 413 states have call successors, (413) [2022-10-16 02:32:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 4261 transitions. [2022-10-16 02:32:59,377 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 4261 transitions. Word has length 385 [2022-10-16 02:32:59,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:32:59,378 INFO L495 AbstractCegarLoop]: Abstraction has 3460 states and 4261 transitions. [2022-10-16 02:32:59,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 02:32:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 4261 transitions. [2022-10-16 02:32:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-10-16 02:32:59,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:32:59,386 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 9, 9, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:32:59,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 02:32:59,387 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:32:59,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:32:59,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1312414081, now seen corresponding path program 1 times [2022-10-16 02:32:59,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:32:59,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502448868] [2022-10-16 02:32:59,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:32:59,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:32:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:33:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:33:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:33:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:33:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:33:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:33:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:33:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:33:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:33:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:33:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:33:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:33:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:33:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:33:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:33:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:33:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:33:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:33:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 02:33:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 02:33:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 02:33:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 02:33:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 02:33:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-16 02:33:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-16 02:33:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 02:33:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-10-16 02:33:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-10-16 02:33:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-10-16 02:33:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-16 02:33:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 02:33:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-10-16 02:33:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-10-16 02:33:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 52 proven. 52 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2022-10-16 02:33:00,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:33:00,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502448868] [2022-10-16 02:33:00,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502448868] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:33:00,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624010902] [2022-10-16 02:33:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:33:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:33:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:33:00,329 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:33:00,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 02:33:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:00,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 70 conjunts are in the unsatisfiable core [2022-10-16 02:33:00,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:33:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 550 proven. 249 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-10-16 02:33:02,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:33:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 158 proven. 154 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2022-10-16 02:33:03,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624010902] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:33:03,784 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:33:03,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 27, 21] total 56 [2022-10-16 02:33:03,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414706501] [2022-10-16 02:33:03,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:33:03,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-10-16 02:33:03,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:33:03,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-10-16 02:33:03,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2859, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 02:33:03,788 INFO L87 Difference]: Start difference. First operand 3460 states and 4261 transitions. Second operand has 56 states, 56 states have (on average 7.696428571428571) internal successors, (431), 47 states have internal predecessors, (431), 16 states have call successors, (69), 11 states have call predecessors, (69), 24 states have return successors, (74), 24 states have call predecessors, (74), 16 states have call successors, (74) [2022-10-16 02:33:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:33:26,321 INFO L93 Difference]: Finished difference Result 20221 states and 26684 transitions. [2022-10-16 02:33:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-10-16 02:33:26,322 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 7.696428571428571) internal successors, (431), 47 states have internal predecessors, (431), 16 states have call successors, (69), 11 states have call predecessors, (69), 24 states have return successors, (74), 24 states have call predecessors, (74), 16 states have call successors, (74) Word has length 385 [2022-10-16 02:33:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:33:26,356 INFO L225 Difference]: With dead ends: 20221 [2022-10-16 02:33:26,356 INFO L226 Difference]: Without dead ends: 20221 [2022-10-16 02:33:26,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13228 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=2847, Invalid=38973, Unknown=0, NotChecked=0, Total=41820 [2022-10-16 02:33:26,360 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 4817 mSDsluCounter, 16725 mSDsCounter, 0 mSdLazyCounter, 14861 mSolverCounterSat, 2289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4844 SdHoareTripleChecker+Valid, 17386 SdHoareTripleChecker+Invalid, 17150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2289 IncrementalHoareTripleChecker+Valid, 14861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-10-16 02:33:26,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4844 Valid, 17386 Invalid, 17150 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2289 Valid, 14861 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-10-16 02:33:26,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20221 states. [2022-10-16 02:33:26,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20221 to 4717. [2022-10-16 02:33:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4717 states, 3842 states have (on average 1.2040603852160334) internal successors, (4626), 3878 states have internal predecessors, (4626), 611 states have call successors, (611), 263 states have call predecessors, (611), 263 states have return successors, (611), 575 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-16 02:33:26,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 4717 states and 5848 transitions. [2022-10-16 02:33:26,663 INFO L78 Accepts]: Start accepts. Automaton has 4717 states and 5848 transitions. Word has length 385 [2022-10-16 02:33:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:33:26,664 INFO L495 AbstractCegarLoop]: Abstraction has 4717 states and 5848 transitions. [2022-10-16 02:33:26,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.696428571428571) internal successors, (431), 47 states have internal predecessors, (431), 16 states have call successors, (69), 11 states have call predecessors, (69), 24 states have return successors, (74), 24 states have call predecessors, (74), 16 states have call successors, (74) [2022-10-16 02:33:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 5848 transitions. [2022-10-16 02:33:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-10-16 02:33:26,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:33:26,676 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 10, 10, 10, 9, 9, 8, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:33:26,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-10-16 02:33:26,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:33:26,890 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [assertErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:33:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:33:26,891 INFO L85 PathProgramCache]: Analyzing trace with hash -654272640, now seen corresponding path program 1 times [2022-10-16 02:33:26,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:33:26,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372474611] [2022-10-16 02:33:26,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:33:26,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:33:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 02:33:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 02:33:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 02:33:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 02:33:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 02:33:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 02:33:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 02:33:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 02:33:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 02:33:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 02:33:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:33:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 02:33:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 02:33:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 02:33:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 02:33:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 02:33:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 02:33:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 02:33:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 02:33:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 02:33:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 02:33:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 02:33:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 02:33:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-16 02:33:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-10-16 02:33:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 02:33:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-16 02:33:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-10-16 02:33:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 02:33:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-10-16 02:33:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-10-16 02:33:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-10-16 02:33:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-10-16 02:33:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-10-16 02:33:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-16 02:33:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-10-16 02:33:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 34 proven. 28 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2022-10-16 02:33:28,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:33:28,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372474611] [2022-10-16 02:33:28,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372474611] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:33:28,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589774828] [2022-10-16 02:33:28,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:33:28,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:33:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:33:28,272 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:33:28,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 02:33:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:33:28,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 02:33:28,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:33:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 512 proven. 23 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2022-10-16 02:33:29,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:33:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2022-10-16 02:33:29,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589774828] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:33:29,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:33:29,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 8, 9] total 35 [2022-10-16 02:33:29,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979171235] [2022-10-16 02:33:29,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:33:29,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 02:33:29,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:33:29,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 02:33:29,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1083, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 02:33:29,762 INFO L87 Difference]: Start difference. First operand 4717 states and 5848 transitions. Second operand has 35 states, 35 states have (on average 11.2) internal successors, (392), 32 states have internal predecessors, (392), 14 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (75), 16 states have call predecessors, (75), 14 states have call successors, (75)