/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-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:01:26,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:01:26,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:01:26,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:01:26,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:01:26,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:01:26,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:01:26,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:01:26,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:01:26,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:01:26,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:01:26,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:01:26,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:01:26,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:01:26,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:01:26,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:01:26,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:01:26,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:01:26,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:01:26,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:01:26,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:01:26,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:01:26,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:01:26,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:01:26,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 04:01:26,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:01:26,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:01:26,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:01:26,946 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 04:01:26,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:01:26,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:01:26,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:01:26,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:01:26,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:01:26,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:01:26,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:01:26,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:01:26,987 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:01:26,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:01:26,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:01:26,990 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:01:26,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:01:26,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:01:26,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:01:26,991 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:01:26,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:01:26,992 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:01:26,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:01:26,992 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:01:26,993 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:01:26,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:01:26,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:01:26,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:01:26,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:01:26,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:01:26,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:01:26,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:01:26,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:01:26,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:01:26,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:01:27,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:01:27,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:01:27,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:01:27,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:01:27,480 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:01:27,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 04:01:27,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72df4f7b9/9636f12e30f743249284255dafeca7b3/FLAG765e28de2 [2022-10-16 04:01:28,244 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:01:28,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 04:01:28,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72df4f7b9/9636f12e30f743249284255dafeca7b3/FLAG765e28de2 [2022-10-16 04:01:28,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72df4f7b9/9636f12e30f743249284255dafeca7b3 [2022-10-16 04:01:28,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:01:28,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:01:28,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:01:28,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:01:28,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:01:28,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:01:28" (1/1) ... [2022-10-16 04:01:28,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5095a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:28, skipping insertion in model container [2022-10-16 04:01:28,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:01:28" (1/1) ... [2022-10-16 04:01:28,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:01:28,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:01:29,045 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-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2022-10-16 04:01:29,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:01:29,155 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:01:29,253 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-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2022-10-16 04:01:29,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:01:29,316 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:01:29,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29 WrapperNode [2022-10-16 04:01:29,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:01:29,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:01:29,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:01:29,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:01:29,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,470 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 828 [2022-10-16 04:01:29,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:01:29,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:01:29,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:01:29,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:01:29,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:01:29,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:01:29,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:01:29,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:01:29,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (1/1) ... [2022-10-16 04:01:29,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:01:29,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:01:29,626 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 04:01:29,641 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 04:01:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:01:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:01:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:01:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:01:29,907 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:01:29,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:01:30,779 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:01:30,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:01:30,791 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:01:30,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:01:30 BoogieIcfgContainer [2022-10-16 04:01:30,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:01:30,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:01:30,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:01:30,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:01:30,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:01:28" (1/3) ... [2022-10-16 04:01:30,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e9b086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:01:30, skipping insertion in model container [2022-10-16 04:01:30,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:29" (2/3) ... [2022-10-16 04:01:30,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e9b086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:01:30, skipping insertion in model container [2022-10-16 04:01:30,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:01:30" (3/3) ... [2022-10-16 04:01:30,807 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 04:01:30,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:01:30,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 04:01:30,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:01:30,917 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;@63adb39d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:01:30,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 04:01:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 199 states have (on average 1.7688442211055277) internal successors, (352), 201 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 04:01:30,936 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:30,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 04:01:30,938 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:30,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:30,944 INFO L85 PathProgramCache]: Analyzing trace with hash 952549, now seen corresponding path program 1 times [2022-10-16 04:01:30,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:30,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038839384] [2022-10-16 04:01:30,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:31,303 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 04:01:31,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:31,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038839384] [2022-10-16 04:01:31,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038839384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:31,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:31,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:01:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712210115] [2022-10-16 04:01:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:31,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:01:31,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:31,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:01:31,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:01:31,375 INFO L87 Difference]: Start difference. First operand has 202 states, 199 states have (on average 1.7688442211055277) internal successors, (352), 201 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:31,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:31,478 INFO L93 Difference]: Finished difference Result 201 states and 350 transitions. [2022-10-16 04:01:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:01:31,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 04:01:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:31,505 INFO L225 Difference]: With dead ends: 201 [2022-10-16 04:01:31,506 INFO L226 Difference]: Without dead ends: 198 [2022-10-16 04:01:31,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 04:01:31,515 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 347 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:31,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 349 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:01:31,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-10-16 04:01:31,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-10-16 04:01:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.3756345177664975) internal successors, (271), 197 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 271 transitions. [2022-10-16 04:01:31,641 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 271 transitions. Word has length 4 [2022-10-16 04:01:31,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:31,642 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 271 transitions. [2022-10-16 04:01:31,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 271 transitions. [2022-10-16 04:01:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 04:01:31,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:31,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:31,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:01:31,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:31,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:31,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1361095482, now seen corresponding path program 1 times [2022-10-16 04:01:31,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:31,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711007183] [2022-10-16 04:01:31,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:32,594 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 04:01:32,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:32,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711007183] [2022-10-16 04:01:32,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711007183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:32,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:32,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:32,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108716222] [2022-10-16 04:01:32,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:32,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:32,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:32,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:32,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:32,600 INFO L87 Difference]: Start difference. First operand 198 states and 271 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:33,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:33,305 INFO L93 Difference]: Finished difference Result 1332 states and 2060 transitions. [2022-10-16 04:01:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:33,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 04:01:33,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:33,315 INFO L225 Difference]: With dead ends: 1332 [2022-10-16 04:01:33,315 INFO L226 Difference]: Without dead ends: 1332 [2022-10-16 04:01:33,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2022-10-16 04:01:33,318 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 2362 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:33,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 5412 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:01:33,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2022-10-16 04:01:33,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 303. [2022-10-16 04:01:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.4503311258278146) internal successors, (438), 302 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 438 transitions. [2022-10-16 04:01:33,358 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 438 transitions. Word has length 107 [2022-10-16 04:01:33,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:33,359 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 438 transitions. [2022-10-16 04:01:33,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 438 transitions. [2022-10-16 04:01:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:33,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:33,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:33,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:01:33,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:33,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:33,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1847794712, now seen corresponding path program 1 times [2022-10-16 04:01:33,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:33,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224394205] [2022-10-16 04:01:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:33,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:33,937 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 04:01:33,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:33,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224394205] [2022-10-16 04:01:33,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224394205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:33,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:33,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:33,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591815471] [2022-10-16 04:01:33,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:33,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:33,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:33,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:33,942 INFO L87 Difference]: Start difference. First operand 303 states and 438 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:34,318 INFO L93 Difference]: Finished difference Result 1399 states and 2179 transitions. [2022-10-16 04:01:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:34,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:34,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:34,328 INFO L225 Difference]: With dead ends: 1399 [2022-10-16 04:01:34,328 INFO L226 Difference]: Without dead ends: 1399 [2022-10-16 04:01:34,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:34,330 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 1952 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 2827 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:34,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 2827 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:34,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2022-10-16 04:01:34,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 482. [2022-10-16 04:01:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 481 states have (on average 1.5051975051975053) internal successors, (724), 481 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 724 transitions. [2022-10-16 04:01:34,362 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 724 transitions. Word has length 109 [2022-10-16 04:01:34,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:34,363 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 724 transitions. [2022-10-16 04:01:34,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 724 transitions. [2022-10-16 04:01:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:34,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:34,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:34,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:01:34,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:34,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2013134268, now seen corresponding path program 1 times [2022-10-16 04:01:34,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:34,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357417486] [2022-10-16 04:01:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:34,848 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 04:01:34,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:34,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357417486] [2022-10-16 04:01:34,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357417486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:34,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:34,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:34,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494394765] [2022-10-16 04:01:34,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:34,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:34,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:34,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:34,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:34,852 INFO L87 Difference]: Start difference. First operand 482 states and 724 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:35,185 INFO L93 Difference]: Finished difference Result 1578 states and 2465 transitions. [2022-10-16 04:01:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:35,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:35,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:35,196 INFO L225 Difference]: With dead ends: 1578 [2022-10-16 04:01:35,196 INFO L226 Difference]: Without dead ends: 1578 [2022-10-16 04:01:35,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:35,199 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 2232 mSDsluCounter, 1857 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:35,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 2473 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:35,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2022-10-16 04:01:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 735. [2022-10-16 04:01:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 734 states have (on average 1.5367847411444142) internal successors, (1128), 734 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1128 transitions. [2022-10-16 04:01:35,234 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1128 transitions. Word has length 109 [2022-10-16 04:01:35,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:35,235 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 1128 transitions. [2022-10-16 04:01:35,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1128 transitions. [2022-10-16 04:01:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:35,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:35,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:35,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:01:35,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:35,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1500386704, now seen corresponding path program 1 times [2022-10-16 04:01:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:35,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828471361] [2022-10-16 04:01:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:35,620 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 04:01:35,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:35,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828471361] [2022-10-16 04:01:35,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828471361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:35,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:35,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:35,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522109201] [2022-10-16 04:01:35,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:35,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:35,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:35,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:35,624 INFO L87 Difference]: Start difference. First operand 735 states and 1128 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:35,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:35,909 INFO L93 Difference]: Finished difference Result 1747 states and 2735 transitions. [2022-10-16 04:01:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:35,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:35,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:35,921 INFO L225 Difference]: With dead ends: 1747 [2022-10-16 04:01:35,921 INFO L226 Difference]: Without dead ends: 1747 [2022-10-16 04:01:35,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:35,923 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 2406 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:35,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 2320 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:35,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2022-10-16 04:01:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 899. [2022-10-16 04:01:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 898 states have (on average 1.5478841870824054) internal successors, (1390), 898 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1390 transitions. [2022-10-16 04:01:35,969 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1390 transitions. Word has length 109 [2022-10-16 04:01:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:35,970 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1390 transitions. [2022-10-16 04:01:35,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1390 transitions. [2022-10-16 04:01:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:35,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:35,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:35,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:01:35,973 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2131359206, now seen corresponding path program 1 times [2022-10-16 04:01:35,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:35,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914109050] [2022-10-16 04:01:35,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:35,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:36,338 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 04:01:36,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:36,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914109050] [2022-10-16 04:01:36,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914109050] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:36,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:36,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:36,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926157673] [2022-10-16 04:01:36,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:36,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:36,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:36,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:36,342 INFO L87 Difference]: Start difference. First operand 899 states and 1390 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:36,674 INFO L93 Difference]: Finished difference Result 1906 states and 2989 transitions. [2022-10-16 04:01:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:36,675 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:36,690 INFO L225 Difference]: With dead ends: 1906 [2022-10-16 04:01:36,691 INFO L226 Difference]: Without dead ends: 1906 [2022-10-16 04:01:36,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:36,693 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 2914 mSDsluCounter, 1818 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:36,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 2206 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:36,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-10-16 04:01:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1058. [2022-10-16 04:01:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1057 states have (on average 1.555345316934721) internal successors, (1644), 1057 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1644 transitions. [2022-10-16 04:01:36,750 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1644 transitions. Word has length 109 [2022-10-16 04:01:36,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:36,750 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1644 transitions. [2022-10-16 04:01:36,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1644 transitions. [2022-10-16 04:01:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:36,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:36,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:36,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:01:36,754 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:36,755 INFO L85 PathProgramCache]: Analyzing trace with hash -983368864, now seen corresponding path program 1 times [2022-10-16 04:01:36,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:36,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415092998] [2022-10-16 04:01:36,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:36,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:36,904 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 04:01:36,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:36,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415092998] [2022-10-16 04:01:36,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415092998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:36,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:36,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:01:36,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91975335] [2022-10-16 04:01:36,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:36,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:01:36,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:36,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:01:36,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:01:36,908 INFO L87 Difference]: Start difference. First operand 1058 states and 1644 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:36,961 INFO L93 Difference]: Finished difference Result 1858 states and 2890 transitions. [2022-10-16 04:01:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:01:36,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:36,973 INFO L225 Difference]: With dead ends: 1858 [2022-10-16 04:01:36,973 INFO L226 Difference]: Without dead ends: 1858 [2022-10-16 04:01:36,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 04:01:36,975 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 115 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:36,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 637 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:01:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2022-10-16 04:01:37,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1834. [2022-10-16 04:01:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1833 states have (on average 1.55810147299509) internal successors, (2856), 1833 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2856 transitions. [2022-10-16 04:01:37,069 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2856 transitions. Word has length 109 [2022-10-16 04:01:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:37,070 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2856 transitions. [2022-10-16 04:01:37,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2856 transitions. [2022-10-16 04:01:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:37,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:37,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:37,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:01:37,073 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:37,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:37,074 INFO L85 PathProgramCache]: Analyzing trace with hash -739291201, now seen corresponding path program 1 times [2022-10-16 04:01:37,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:37,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520497427] [2022-10-16 04:01:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:37,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:37,690 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 04:01:37,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:37,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520497427] [2022-10-16 04:01:37,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520497427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:37,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:37,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:37,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574492843] [2022-10-16 04:01:37,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:37,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:37,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:37,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:37,693 INFO L87 Difference]: Start difference. First operand 1834 states and 2856 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:38,106 INFO L93 Difference]: Finished difference Result 1836 states and 2851 transitions. [2022-10-16 04:01:38,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:38,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:38,117 INFO L225 Difference]: With dead ends: 1836 [2022-10-16 04:01:38,117 INFO L226 Difference]: Without dead ends: 1836 [2022-10-16 04:01:38,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:01:38,119 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 1122 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:38,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 1328 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2022-10-16 04:01:38,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1834. [2022-10-16 04:01:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1833 states have (on average 1.5548281505728314) internal successors, (2850), 1833 states have internal predecessors, (2850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2850 transitions. [2022-10-16 04:01:38,180 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2850 transitions. Word has length 109 [2022-10-16 04:01:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:38,181 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2850 transitions. [2022-10-16 04:01:38,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2850 transitions. [2022-10-16 04:01:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:38,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:38,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:38,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:01:38,184 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:38,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:38,184 INFO L85 PathProgramCache]: Analyzing trace with hash 307798176, now seen corresponding path program 1 times [2022-10-16 04:01:38,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:38,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697408787] [2022-10-16 04:01:38,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:38,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:38,530 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 04:01:38,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:38,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697408787] [2022-10-16 04:01:38,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697408787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:38,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:38,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:38,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111794773] [2022-10-16 04:01:38,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:38,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:38,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:38,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:38,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:38,533 INFO L87 Difference]: Start difference. First operand 1834 states and 2850 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:38,870 INFO L93 Difference]: Finished difference Result 3686 states and 5767 transitions. [2022-10-16 04:01:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:38,889 INFO L225 Difference]: With dead ends: 3686 [2022-10-16 04:01:38,890 INFO L226 Difference]: Without dead ends: 3686 [2022-10-16 04:01:38,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:38,891 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 2207 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:38,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 2613 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:38,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2022-10-16 04:01:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 2133. [2022-10-16 04:01:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.5581613508442778) internal successors, (3322), 2132 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3322 transitions. [2022-10-16 04:01:38,983 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3322 transitions. Word has length 109 [2022-10-16 04:01:38,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:38,983 INFO L495 AbstractCegarLoop]: Abstraction has 2133 states and 3322 transitions. [2022-10-16 04:01:38,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3322 transitions. [2022-10-16 04:01:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:38,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:38,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:38,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:01:38,986 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:38,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2133931794, now seen corresponding path program 1 times [2022-10-16 04:01:38,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:38,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305364457] [2022-10-16 04:01:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:39,335 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 04:01:39,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:39,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305364457] [2022-10-16 04:01:39,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305364457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:39,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:39,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:39,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403551514] [2022-10-16 04:01:39,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:39,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:39,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:39,339 INFO L87 Difference]: Start difference. First operand 2133 states and 3322 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:39,721 INFO L93 Difference]: Finished difference Result 3991 states and 6248 transitions. [2022-10-16 04:01:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:39,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:39,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:39,743 INFO L225 Difference]: With dead ends: 3991 [2022-10-16 04:01:39,743 INFO L226 Difference]: Without dead ends: 3991 [2022-10-16 04:01:39,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:39,744 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 2154 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 3246 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:39,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 3246 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:39,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2022-10-16 04:01:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 2443. [2022-10-16 04:01:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2443 states, 2442 states have (on average 1.5606060606060606) internal successors, (3811), 2442 states have internal predecessors, (3811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3811 transitions. [2022-10-16 04:01:39,847 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3811 transitions. Word has length 109 [2022-10-16 04:01:39,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:39,847 INFO L495 AbstractCegarLoop]: Abstraction has 2443 states and 3811 transitions. [2022-10-16 04:01:39,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:39,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3811 transitions. [2022-10-16 04:01:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 04:01:39,850 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:39,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:39,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:01:39,850 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:39,851 INFO L85 PathProgramCache]: Analyzing trace with hash 763996610, now seen corresponding path program 1 times [2022-10-16 04:01:39,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:39,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107549768] [2022-10-16 04:01:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:40,174 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 04:01:40,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:40,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107549768] [2022-10-16 04:01:40,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107549768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:40,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:40,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:40,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794364016] [2022-10-16 04:01:40,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:40,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:40,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:40,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:40,178 INFO L87 Difference]: Start difference. First operand 2443 states and 3811 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:40,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:40,512 INFO L93 Difference]: Finished difference Result 4306 states and 6745 transitions. [2022-10-16 04:01:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:01:40,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 04:01:40,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:40,534 INFO L225 Difference]: With dead ends: 4306 [2022-10-16 04:01:40,535 INFO L226 Difference]: Without dead ends: 4306 [2022-10-16 04:01:40,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:01:40,536 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 2333 mSDsluCounter, 2849 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 3271 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:40,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 3271 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:01:40,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2022-10-16 04:01:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 2763. [2022-10-16 04:01:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.562635771180304) internal successors, (4316), 2762 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4316 transitions. [2022-10-16 04:01:40,636 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4316 transitions. Word has length 109 [2022-10-16 04:01:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:40,636 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4316 transitions. [2022-10-16 04:01:40,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4316 transitions. [2022-10-16 04:01:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:01:40,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:40,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:40,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:01:40,640 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:40,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:40,640 INFO L85 PathProgramCache]: Analyzing trace with hash -186015446, now seen corresponding path program 1 times [2022-10-16 04:01:40,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:40,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706937601] [2022-10-16 04:01:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:40,866 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 04:01:40,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:40,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706937601] [2022-10-16 04:01:40,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706937601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:40,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:40,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:40,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576427088] [2022-10-16 04:01:40,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:40,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:40,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:40,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:40,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:40,869 INFO L87 Difference]: Start difference. First operand 2763 states and 4316 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:41,060 INFO L93 Difference]: Finished difference Result 2763 states and 4281 transitions. [2022-10-16 04:01:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:41,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:01:41,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:41,071 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:41,071 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:41,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:41,072 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 739 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:41,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 150 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.5499637943519189) internal successors, (4281), 2762 states have internal predecessors, (4281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4281 transitions. [2022-10-16 04:01:41,178 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4281 transitions. Word has length 110 [2022-10-16 04:01:41,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:41,178 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4281 transitions. [2022-10-16 04:01:41,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4281 transitions. [2022-10-16 04:01:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 04:01:41,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:41,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:41,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:01:41,184 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:41,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:41,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1618909482, now seen corresponding path program 1 times [2022-10-16 04:01:41,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:41,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518602372] [2022-10-16 04:01:41,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:41,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:41,454 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 04:01:41,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:41,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518602372] [2022-10-16 04:01:41,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518602372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:41,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:41,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:41,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458334937] [2022-10-16 04:01:41,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:41,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:41,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:41,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:41,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:41,459 INFO L87 Difference]: Start difference. First operand 2763 states and 4281 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:41,642 INFO L93 Difference]: Finished difference Result 2763 states and 4246 transitions. [2022-10-16 04:01:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:41,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 04:01:41,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:41,651 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:41,651 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:41,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:41,652 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 688 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:41,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 182 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:41,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.5372918175235337) internal successors, (4246), 2762 states have internal predecessors, (4246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4246 transitions. [2022-10-16 04:01:41,726 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4246 transitions. Word has length 111 [2022-10-16 04:01:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:41,727 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4246 transitions. [2022-10-16 04:01:41,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4246 transitions. [2022-10-16 04:01:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 04:01:41,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:41,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:41,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:01:41,730 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:41,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:41,731 INFO L85 PathProgramCache]: Analyzing trace with hash -716601046, now seen corresponding path program 1 times [2022-10-16 04:01:41,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:41,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123458384] [2022-10-16 04:01:41,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:41,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:41,922 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 04:01:41,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:41,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123458384] [2022-10-16 04:01:41,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123458384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:41,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:41,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:41,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139132883] [2022-10-16 04:01:41,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:41,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:41,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:41,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:41,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:41,926 INFO L87 Difference]: Start difference. First operand 2763 states and 4246 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:42,085 INFO L93 Difference]: Finished difference Result 2763 states and 4211 transitions. [2022-10-16 04:01:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:42,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 04:01:42,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:42,093 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:42,093 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:42,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:42,094 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 662 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:42,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 202 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:42,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.5246198406951486) internal successors, (4211), 2762 states have internal predecessors, (4211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4211 transitions. [2022-10-16 04:01:42,174 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4211 transitions. Word has length 112 [2022-10-16 04:01:42,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:42,175 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4211 transitions. [2022-10-16 04:01:42,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4211 transitions. [2022-10-16 04:01:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 04:01:42,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:42,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:42,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:01:42,179 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1447492906, now seen corresponding path program 1 times [2022-10-16 04:01:42,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:42,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252685574] [2022-10-16 04:01:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:42,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:42,375 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 04:01:42,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:42,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252685574] [2022-10-16 04:01:42,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252685574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:42,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:42,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:42,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170877973] [2022-10-16 04:01:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:42,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:42,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:42,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:42,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:42,379 INFO L87 Difference]: Start difference. First operand 2763 states and 4211 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:42,552 INFO L93 Difference]: Finished difference Result 2763 states and 4176 transitions. [2022-10-16 04:01:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:42,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 04:01:42,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:42,561 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:42,561 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:42,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:42,562 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 687 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:42,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 174 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:42,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:42,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.5119478638667632) internal successors, (4176), 2762 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4176 transitions. [2022-10-16 04:01:42,634 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4176 transitions. Word has length 113 [2022-10-16 04:01:42,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:42,635 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4176 transitions. [2022-10-16 04:01:42,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4176 transitions. [2022-10-16 04:01:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 04:01:42,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:42,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:42,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:01:42,638 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:42,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:42,638 INFO L85 PathProgramCache]: Analyzing trace with hash 912210718, now seen corresponding path program 1 times [2022-10-16 04:01:42,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:42,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749827834] [2022-10-16 04:01:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:42,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:42,808 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 04:01:42,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:42,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749827834] [2022-10-16 04:01:42,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749827834] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:42,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:42,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186042010] [2022-10-16 04:01:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:42,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:42,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:42,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:42,811 INFO L87 Difference]: Start difference. First operand 2763 states and 4176 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:42,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:42,987 INFO L93 Difference]: Finished difference Result 2763 states and 4141 transitions. [2022-10-16 04:01:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:42,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 04:01:42,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:42,995 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:42,996 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:42,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:42,997 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 703 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:42,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 158 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:43,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.499275887038378) internal successors, (4141), 2762 states have internal predecessors, (4141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4141 transitions. [2022-10-16 04:01:43,084 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4141 transitions. Word has length 114 [2022-10-16 04:01:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:43,085 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4141 transitions. [2022-10-16 04:01:43,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4141 transitions. [2022-10-16 04:01:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 04:01:43,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:43,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:43,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:01:43,088 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:43,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1260402774, now seen corresponding path program 1 times [2022-10-16 04:01:43,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:43,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048118379] [2022-10-16 04:01:43,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:43,350 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 04:01:43,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:43,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048118379] [2022-10-16 04:01:43,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048118379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:43,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:43,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:43,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493609454] [2022-10-16 04:01:43,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:43,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:43,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:43,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:43,354 INFO L87 Difference]: Start difference. First operand 2763 states and 4141 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:43,505 INFO L93 Difference]: Finished difference Result 2763 states and 4106 transitions. [2022-10-16 04:01:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:43,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 04:01:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:43,513 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:43,513 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:43,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:43,516 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 685 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:43,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 166 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:43,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:43,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4866039102099928) internal successors, (4106), 2762 states have internal predecessors, (4106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4106 transitions. [2022-10-16 04:01:43,587 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4106 transitions. Word has length 115 [2022-10-16 04:01:43,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:43,588 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4106 transitions. [2022-10-16 04:01:43,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4106 transitions. [2022-10-16 04:01:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 04:01:43,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:43,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:43,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:01:43,591 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:43,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1805227026, now seen corresponding path program 1 times [2022-10-16 04:01:43,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:43,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49217555] [2022-10-16 04:01:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:43,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:43,808 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 04:01:43,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:43,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49217555] [2022-10-16 04:01:43,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49217555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:43,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:43,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:01:43,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880222690] [2022-10-16 04:01:43,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:43,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:01:43,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:43,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:01:43,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:01:43,811 INFO L87 Difference]: Start difference. First operand 2763 states and 4106 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:43,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:43,948 INFO L93 Difference]: Finished difference Result 2763 states and 4071 transitions. [2022-10-16 04:01:43,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:01:43,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 04:01:43,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:43,955 INFO L225 Difference]: With dead ends: 2763 [2022-10-16 04:01:43,955 INFO L226 Difference]: Without dead ends: 2763 [2022-10-16 04:01:43,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:01:43,957 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 643 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:43,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 190 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:01:43,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-10-16 04:01:44,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-10-16 04:01:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4739319333816074) internal successors, (4071), 2762 states have internal predecessors, (4071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4071 transitions. [2022-10-16 04:01:44,044 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4071 transitions. Word has length 116 [2022-10-16 04:01:44,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:44,045 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4071 transitions. [2022-10-16 04:01:44,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4071 transitions. [2022-10-16 04:01:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 04:01:44,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:44,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:44,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:01:44,048 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:44,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:44,048 INFO L85 PathProgramCache]: Analyzing trace with hash 695724750, now seen corresponding path program 1 times [2022-10-16 04:01:44,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:44,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500890921] [2022-10-16 04:01:44,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:44,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:44,580 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 04:01:44,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:44,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500890921] [2022-10-16 04:01:44,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500890921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:44,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:44,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:01:44,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793623976] [2022-10-16 04:01:44,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:44,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:01:44,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:44,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:01:44,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:01:44,585 INFO L87 Difference]: Start difference. First operand 2763 states and 4071 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:45,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:45,062 INFO L93 Difference]: Finished difference Result 5307 states and 7847 transitions. [2022-10-16 04:01:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 04:01:45,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-16 04:01:45,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:45,075 INFO L225 Difference]: With dead ends: 5307 [2022-10-16 04:01:45,075 INFO L226 Difference]: Without dead ends: 5307 [2022-10-16 04:01:45,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:01:45,076 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1185 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:45,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 462 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:01:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5307 states. [2022-10-16 04:01:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5307 to 2763. [2022-10-16 04:01:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4735698769007965) internal successors, (4070), 2762 states have internal predecessors, (4070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4070 transitions. [2022-10-16 04:01:45,203 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4070 transitions. Word has length 117 [2022-10-16 04:01:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:45,203 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4070 transitions. [2022-10-16 04:01:45,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4070 transitions. [2022-10-16 04:01:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 04:01:45,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:45,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:45,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:01:45,207 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:45,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1398912456, now seen corresponding path program 1 times [2022-10-16 04:01:45,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:45,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729292916] [2022-10-16 04:01:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:45,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:46,011 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 04:01:46,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:46,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729292916] [2022-10-16 04:01:46,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729292916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:46,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:46,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:01:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724086281] [2022-10-16 04:01:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:46,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 04:01:46,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:46,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 04:01:46,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:01:46,014 INFO L87 Difference]: Start difference. First operand 2763 states and 4070 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:47,195 INFO L93 Difference]: Finished difference Result 10437 states and 15210 transitions. [2022-10-16 04:01:47,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 04:01:47,196 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 04:01:47,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:47,224 INFO L225 Difference]: With dead ends: 10437 [2022-10-16 04:01:47,224 INFO L226 Difference]: Without dead ends: 10437 [2022-10-16 04:01:47,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2022-10-16 04:01:47,226 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 2854 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:47,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 780 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 04:01:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10437 states. [2022-10-16 04:01:47,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10437 to 2876. [2022-10-16 04:01:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2875 states have (on average 1.4751304347826086) internal successors, (4241), 2875 states have internal predecessors, (4241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 4241 transitions. [2022-10-16 04:01:47,402 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 4241 transitions. Word has length 118 [2022-10-16 04:01:47,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:47,402 INFO L495 AbstractCegarLoop]: Abstraction has 2876 states and 4241 transitions. [2022-10-16 04:01:47,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 4241 transitions. [2022-10-16 04:01:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 04:01:47,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:47,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:47,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 04:01:47,406 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:47,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:47,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1914982570, now seen corresponding path program 1 times [2022-10-16 04:01:47,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:47,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074172421] [2022-10-16 04:01:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:47,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:48,012 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 04:01:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:48,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074172421] [2022-10-16 04:01:48,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074172421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:48,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:48,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186219812] [2022-10-16 04:01:48,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:48,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:01:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:48,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:01:48,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:01:48,016 INFO L87 Difference]: Start difference. First operand 2876 states and 4241 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:48,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:48,944 INFO L93 Difference]: Finished difference Result 5472 states and 8063 transitions. [2022-10-16 04:01:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:01:48,945 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 04:01:48,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:48,957 INFO L225 Difference]: With dead ends: 5472 [2022-10-16 04:01:48,957 INFO L226 Difference]: Without dead ends: 5472 [2022-10-16 04:01:48,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:48,959 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1687 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:48,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 781 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:01:48,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5472 states. [2022-10-16 04:01:49,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5472 to 2763. [2022-10-16 04:01:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4728457639391745) internal successors, (4068), 2762 states have internal predecessors, (4068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4068 transitions. [2022-10-16 04:01:49,084 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4068 transitions. Word has length 118 [2022-10-16 04:01:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:49,085 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4068 transitions. [2022-10-16 04:01:49,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4068 transitions. [2022-10-16 04:01:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 04:01:49,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:49,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:49,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 04:01:49,088 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:49,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1923786292, now seen corresponding path program 1 times [2022-10-16 04:01:49,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:49,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143653084] [2022-10-16 04:01:49,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:49,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:49,553 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 04:01:49,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:49,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143653084] [2022-10-16 04:01:49,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143653084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:49,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:49,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:49,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824901503] [2022-10-16 04:01:49,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:49,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:01:49,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:49,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:01:49,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:01:49,556 INFO L87 Difference]: Start difference. First operand 2763 states and 4068 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:50,229 INFO L93 Difference]: Finished difference Result 5437 states and 7997 transitions. [2022-10-16 04:01:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:01:50,230 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 04:01:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:50,245 INFO L225 Difference]: With dead ends: 5437 [2022-10-16 04:01:50,245 INFO L226 Difference]: Without dead ends: 5437 [2022-10-16 04:01:50,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:50,247 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 2015 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:50,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 524 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:01:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5437 states. [2022-10-16 04:01:50,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5437 to 2763. [2022-10-16 04:01:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4706734250543085) internal successors, (4062), 2762 states have internal predecessors, (4062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4062 transitions. [2022-10-16 04:01:50,369 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4062 transitions. Word has length 118 [2022-10-16 04:01:50,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:50,370 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4062 transitions. [2022-10-16 04:01:50,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4062 transitions. [2022-10-16 04:01:50,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 04:01:50,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:50,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:50,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 04:01:50,374 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:50,375 INFO L85 PathProgramCache]: Analyzing trace with hash -26080566, now seen corresponding path program 1 times [2022-10-16 04:01:50,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:50,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369248576] [2022-10-16 04:01:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:50,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:51,006 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 04:01:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:51,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369248576] [2022-10-16 04:01:51,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369248576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:51,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:51,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:51,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414539085] [2022-10-16 04:01:51,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:51,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:01:51,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:51,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:01:51,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:01:51,009 INFO L87 Difference]: Start difference. First operand 2763 states and 4062 transitions. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 9 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:51,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:51,981 INFO L93 Difference]: Finished difference Result 5467 states and 8039 transitions. [2022-10-16 04:01:51,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:01:51,982 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 9 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 04:01:51,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:51,997 INFO L225 Difference]: With dead ends: 5467 [2022-10-16 04:01:51,998 INFO L226 Difference]: Without dead ends: 5467 [2022-10-16 04:01:51,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:51,999 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 1368 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:51,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 753 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:01:52,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2022-10-16 04:01:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 2763. [2022-10-16 04:01:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4692251991310645) internal successors, (4058), 2762 states have internal predecessors, (4058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4058 transitions. [2022-10-16 04:01:52,110 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4058 transitions. Word has length 119 [2022-10-16 04:01:52,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:52,110 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4058 transitions. [2022-10-16 04:01:52,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 9 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:52,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4058 transitions. [2022-10-16 04:01:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 04:01:52,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:52,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:52,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 04:01:52,113 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:52,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:52,114 INFO L85 PathProgramCache]: Analyzing trace with hash 611422821, now seen corresponding path program 1 times [2022-10-16 04:01:52,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:52,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197158928] [2022-10-16 04:01:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:52,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:52,709 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 04:01:52,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:52,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197158928] [2022-10-16 04:01:52,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197158928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:52,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:52,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:52,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425755446] [2022-10-16 04:01:52,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:52,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:01:52,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:52,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:01:52,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:01:52,716 INFO L87 Difference]: Start difference. First operand 2763 states and 4058 transitions. Second operand has 10 states, 10 states have (on average 12.0) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:53,532 INFO L93 Difference]: Finished difference Result 5457 states and 8016 transitions. [2022-10-16 04:01:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:01:53,533 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 04:01:53,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:53,545 INFO L225 Difference]: With dead ends: 5457 [2022-10-16 04:01:53,545 INFO L226 Difference]: Without dead ends: 5457 [2022-10-16 04:01:53,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:53,547 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 1833 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:53,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 590 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:01:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2022-10-16 04:01:53,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 2763. [2022-10-16 04:01:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4674149167270094) internal successors, (4053), 2762 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4053 transitions. [2022-10-16 04:01:53,646 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4053 transitions. Word has length 120 [2022-10-16 04:01:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:53,646 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4053 transitions. [2022-10-16 04:01:53,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4053 transitions. [2022-10-16 04:01:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 04:01:53,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:53,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:53,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:01:53,649 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:53,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:53,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1269513856, now seen corresponding path program 1 times [2022-10-16 04:01:53,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:53,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445391159] [2022-10-16 04:01:53,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:53,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:54,186 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 04:01:54,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:54,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445391159] [2022-10-16 04:01:54,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445391159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:54,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:54,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:54,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942960300] [2022-10-16 04:01:54,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:54,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:01:54,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:54,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:01:54,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:01:54,190 INFO L87 Difference]: Start difference. First operand 2763 states and 4053 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:55,112 INFO L93 Difference]: Finished difference Result 5412 states and 7940 transitions. [2022-10-16 04:01:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 04:01:55,113 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 04:01:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:55,127 INFO L225 Difference]: With dead ends: 5412 [2022-10-16 04:01:55,127 INFO L226 Difference]: Without dead ends: 5412 [2022-10-16 04:01:55,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:01:55,128 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 1582 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:55,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 725 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:01:55,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5412 states. [2022-10-16 04:01:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5412 to 2763. [2022-10-16 04:01:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4648805213613323) internal successors, (4046), 2762 states have internal predecessors, (4046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4046 transitions. [2022-10-16 04:01:55,229 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4046 transitions. Word has length 121 [2022-10-16 04:01:55,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:55,230 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4046 transitions. [2022-10-16 04:01:55,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4046 transitions. [2022-10-16 04:01:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 04:01:55,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:55,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:55,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 04:01:55,233 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:55,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1051782329, now seen corresponding path program 1 times [2022-10-16 04:01:55,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:55,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861000352] [2022-10-16 04:01:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:55,686 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 04:01:55,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:55,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861000352] [2022-10-16 04:01:55,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861000352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:55,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:55,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 04:01:55,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630821171] [2022-10-16 04:01:55,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:55,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:01:55,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:55,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:01:55,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:01:55,689 INFO L87 Difference]: Start difference. First operand 2763 states and 4046 transitions. Second operand has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:56,562 INFO L93 Difference]: Finished difference Result 10114 states and 14786 transitions. [2022-10-16 04:01:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 04:01:56,563 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 04:01:56,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:56,587 INFO L225 Difference]: With dead ends: 10114 [2022-10-16 04:01:56,587 INFO L226 Difference]: Without dead ends: 10114 [2022-10-16 04:01:56,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-10-16 04:01:56,588 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1518 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:56,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 857 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:01:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10114 states. [2022-10-16 04:01:56,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10114 to 2787. [2022-10-16 04:01:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2786 states have (on average 1.4637473079684136) internal successors, (4078), 2786 states have internal predecessors, (4078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 4078 transitions. [2022-10-16 04:01:56,766 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 4078 transitions. Word has length 122 [2022-10-16 04:01:56,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:56,767 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 4078 transitions. [2022-10-16 04:01:56,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 9 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 4078 transitions. [2022-10-16 04:01:56,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:01:56,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:56,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:56,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 04:01:56,771 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:56,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1982702915, now seen corresponding path program 1 times [2022-10-16 04:01:56,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:56,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275692303] [2022-10-16 04:01:56,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:01:57,838 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 04:01:57,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:01:57,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275692303] [2022-10-16 04:01:57,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275692303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:01:57,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:01:57,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:01:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229570908] [2022-10-16 04:01:57,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:01:57,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:01:57,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:01:57,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:01:57,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:01:57,841 INFO L87 Difference]: Start difference. First operand 2787 states and 4078 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:01:59,290 INFO L93 Difference]: Finished difference Result 10671 states and 15745 transitions. [2022-10-16 04:01:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:01:59,291 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:01:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:01:59,318 INFO L225 Difference]: With dead ends: 10671 [2022-10-16 04:01:59,318 INFO L226 Difference]: Without dead ends: 10671 [2022-10-16 04:01:59,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2022-10-16 04:01:59,319 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 1426 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:01:59,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 3028 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:01:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10671 states. [2022-10-16 04:01:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10671 to 2768. [2022-10-16 04:01:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2767 states have (on average 1.462956270328876) internal successors, (4048), 2767 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 4048 transitions. [2022-10-16 04:01:59,441 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 4048 transitions. Word has length 123 [2022-10-16 04:01:59,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:01:59,441 INFO L495 AbstractCegarLoop]: Abstraction has 2768 states and 4048 transitions. [2022-10-16 04:01:59,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:01:59,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 4048 transitions. [2022-10-16 04:01:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:01:59,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:01:59,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:01:59,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 04:01:59,444 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:01:59,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:01:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash 676674274, now seen corresponding path program 1 times [2022-10-16 04:01:59,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:01:59,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68312504] [2022-10-16 04:01:59,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:01:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:01:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:05,021 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 04:02:05,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:05,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68312504] [2022-10-16 04:02:05,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68312504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:05,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:05,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-10-16 04:02:05,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802523971] [2022-10-16 04:02:05,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:05,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-10-16 04:02:05,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:05,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-10-16 04:02:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1872, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 04:02:05,025 INFO L87 Difference]: Start difference. First operand 2768 states and 4048 transitions. Second operand has 45 states, 45 states have (on average 2.7333333333333334) internal successors, (123), 45 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:34,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:34,488 INFO L93 Difference]: Finished difference Result 24222 states and 35808 transitions. [2022-10-16 04:02:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-16 04:02:34,488 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 2.7333333333333334) internal successors, (123), 45 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:34,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:34,534 INFO L225 Difference]: With dead ends: 24222 [2022-10-16 04:02:34,535 INFO L226 Difference]: Without dead ends: 24222 [2022-10-16 04:02:34,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 995 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=1028, Invalid=6282, Unknown=0, NotChecked=0, Total=7310 [2022-10-16 04:02:34,538 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 2859 mSDsluCounter, 29490 mSDsCounter, 0 mSdLazyCounter, 19652 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 30561 SdHoareTripleChecker+Invalid, 19729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 19652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:34,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 30561 Invalid, 19729 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [77 Valid, 19652 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2022-10-16 04:02:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24222 states. [2022-10-16 04:02:34,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24222 to 2807. [2022-10-16 04:02:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2806 states have (on average 1.4604419101924448) internal successors, (4098), 2806 states have internal predecessors, (4098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 4098 transitions. [2022-10-16 04:02:34,788 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 4098 transitions. Word has length 123 [2022-10-16 04:02:34,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:34,789 INFO L495 AbstractCegarLoop]: Abstraction has 2807 states and 4098 transitions. [2022-10-16 04:02:34,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.7333333333333334) internal successors, (123), 45 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 4098 transitions. [2022-10-16 04:02:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:02:34,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:34,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:34,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:02:34,792 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:34,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:34,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1499704734, now seen corresponding path program 1 times [2022-10-16 04:02:34,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:34,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421945161] [2022-10-16 04:02:34,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:34,958 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 04:02:34,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:34,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421945161] [2022-10-16 04:02:34,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421945161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:34,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:34,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:02:34,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677130423] [2022-10-16 04:02:34,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:34,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:02:34,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:34,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:02:34,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:02:34,961 INFO L87 Difference]: Start difference. First operand 2807 states and 4098 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:34,995 INFO L93 Difference]: Finished difference Result 5215 states and 7662 transitions. [2022-10-16 04:02:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:02:34,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:34,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:35,006 INFO L225 Difference]: With dead ends: 5215 [2022-10-16 04:02:35,007 INFO L226 Difference]: Without dead ends: 5215 [2022-10-16 04:02:35,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 04:02:35,013 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 129 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:35,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 551 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:02:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2022-10-16 04:02:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 5077. [2022-10-16 04:02:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 5076 states have (on average 1.4623719464144995) internal successors, (7423), 5076 states have internal predecessors, (7423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 7423 transitions. [2022-10-16 04:02:35,110 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 7423 transitions. Word has length 123 [2022-10-16 04:02:35,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:35,111 INFO L495 AbstractCegarLoop]: Abstraction has 5077 states and 7423 transitions. [2022-10-16 04:02:35,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 7423 transitions. [2022-10-16 04:02:35,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:02:35,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:35,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:35,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:02:35,113 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:35,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:35,114 INFO L85 PathProgramCache]: Analyzing trace with hash 507218245, now seen corresponding path program 1 times [2022-10-16 04:02:35,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:35,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70981274] [2022-10-16 04:02:35,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:35,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:36,303 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 04:02:36,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:36,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70981274] [2022-10-16 04:02:36,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70981274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:36,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:36,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 04:02:36,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267700925] [2022-10-16 04:02:36,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:36,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 04:02:36,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:36,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 04:02:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:02:36,306 INFO L87 Difference]: Start difference. First operand 5077 states and 7423 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:38,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:38,892 INFO L93 Difference]: Finished difference Result 31840 states and 46890 transitions. [2022-10-16 04:02:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 04:02:38,893 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:38,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:38,944 INFO L225 Difference]: With dead ends: 31840 [2022-10-16 04:02:38,944 INFO L226 Difference]: Without dead ends: 31840 [2022-10-16 04:02:38,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2022-10-16 04:02:38,946 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 2391 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2391 SdHoareTripleChecker+Valid, 4339 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:38,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2391 Valid, 4339 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 04:02:38,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31840 states. [2022-10-16 04:02:39,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31840 to 5089. [2022-10-16 04:02:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 5088 states have (on average 1.4626572327044025) internal successors, (7442), 5088 states have internal predecessors, (7442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 7442 transitions. [2022-10-16 04:02:39,233 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 7442 transitions. Word has length 123 [2022-10-16 04:02:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:39,233 INFO L495 AbstractCegarLoop]: Abstraction has 5089 states and 7442 transitions. [2022-10-16 04:02:39,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 7442 transitions. [2022-10-16 04:02:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:02:39,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:39,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:39,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:02:39,236 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:39,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash 931032642, now seen corresponding path program 1 times [2022-10-16 04:02:39,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:39,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15294443] [2022-10-16 04:02:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:39,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:40,296 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 04:02:40,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:40,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15294443] [2022-10-16 04:02:40,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15294443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:40,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:40,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 04:02:40,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900899418] [2022-10-16 04:02:40,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:40,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 04:02:40,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:40,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 04:02:40,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:02:40,299 INFO L87 Difference]: Start difference. First operand 5089 states and 7442 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:42,444 INFO L93 Difference]: Finished difference Result 29406 states and 43311 transitions. [2022-10-16 04:02:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 04:02:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:42,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:42,482 INFO L225 Difference]: With dead ends: 29406 [2022-10-16 04:02:42,482 INFO L226 Difference]: Without dead ends: 29406 [2022-10-16 04:02:42,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2022-10-16 04:02:42,490 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1505 mSDsluCounter, 4075 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 4667 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:42,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 4667 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 04:02:42,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29406 states. [2022-10-16 04:02:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29406 to 5073. [2022-10-16 04:02:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 5072 states have (on average 1.4623422712933754) internal successors, (7417), 5072 states have internal predecessors, (7417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 7417 transitions. [2022-10-16 04:02:42,857 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 7417 transitions. Word has length 123 [2022-10-16 04:02:42,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:42,858 INFO L495 AbstractCegarLoop]: Abstraction has 5073 states and 7417 transitions. [2022-10-16 04:02:42,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 7417 transitions. [2022-10-16 04:02:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:02:42,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:42,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:42,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 04:02:42,861 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:42,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -480767036, now seen corresponding path program 1 times [2022-10-16 04:02:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:42,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710557390] [2022-10-16 04:02:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:43,830 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 04:02:43,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:43,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710557390] [2022-10-16 04:02:43,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710557390] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:43,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:43,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:02:43,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123247075] [2022-10-16 04:02:43,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:43,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:02:43,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:43,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:02:43,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:02:43,833 INFO L87 Difference]: Start difference. First operand 5073 states and 7417 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:45,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:45,311 INFO L93 Difference]: Finished difference Result 19649 states and 28915 transitions. [2022-10-16 04:02:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:45,311 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:45,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:45,333 INFO L225 Difference]: With dead ends: 19649 [2022-10-16 04:02:45,333 INFO L226 Difference]: Without dead ends: 19649 [2022-10-16 04:02:45,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2022-10-16 04:02:45,334 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 1851 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 3215 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:45,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 3215 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:02:45,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19649 states. [2022-10-16 04:02:45,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19649 to 5032. [2022-10-16 04:02:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 5031 states have (on average 1.4635261379447426) internal successors, (7363), 5031 states have internal predecessors, (7363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 7363 transitions. [2022-10-16 04:02:45,525 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 7363 transitions. Word has length 123 [2022-10-16 04:02:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:45,525 INFO L495 AbstractCegarLoop]: Abstraction has 5032 states and 7363 transitions. [2022-10-16 04:02:45,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 7363 transitions. [2022-10-16 04:02:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 04:02:45,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:45,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:45,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 04:02:45,528 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash 910555589, now seen corresponding path program 1 times [2022-10-16 04:02:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:45,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481366498] [2022-10-16 04:02:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:45,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:46,384 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 04:02:46,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:46,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481366498] [2022-10-16 04:02:46,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481366498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:46,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:46,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 04:02:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450525215] [2022-10-16 04:02:46,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:46,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 04:02:46,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:46,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 04:02:46,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-10-16 04:02:46,387 INFO L87 Difference]: Start difference. First operand 5032 states and 7363 transitions. Second operand has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:47,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:47,915 INFO L93 Difference]: Finished difference Result 29116 states and 42933 transitions. [2022-10-16 04:02:47,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 04:02:47,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 04:02:47,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:47,948 INFO L225 Difference]: With dead ends: 29116 [2022-10-16 04:02:47,949 INFO L226 Difference]: Without dead ends: 29116 [2022-10-16 04:02:47,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2022-10-16 04:02:47,950 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1755 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 2523 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:47,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 2523 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:02:47,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29116 states. [2022-10-16 04:02:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29116 to 4996. [2022-10-16 04:02:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4996 states, 4995 states have (on average 1.4646646646646646) internal successors, (7316), 4995 states have internal predecessors, (7316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4996 states to 4996 states and 7316 transitions. [2022-10-16 04:02:48,173 INFO L78 Accepts]: Start accepts. Automaton has 4996 states and 7316 transitions. Word has length 123 [2022-10-16 04:02:48,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:48,174 INFO L495 AbstractCegarLoop]: Abstraction has 4996 states and 7316 transitions. [2022-10-16 04:02:48,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 4996 states and 7316 transitions. [2022-10-16 04:02:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 04:02:48,176 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:48,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:48,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 04:02:48,177 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:48,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:48,177 INFO L85 PathProgramCache]: Analyzing trace with hash -357902790, now seen corresponding path program 1 times [2022-10-16 04:02:48,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:48,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822365378] [2022-10-16 04:02:48,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:48,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:49,134 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 04:02:49,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:49,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822365378] [2022-10-16 04:02:49,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822365378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:49,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:49,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 04:02:49,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423774081] [2022-10-16 04:02:49,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:02:49,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:49,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:02:49,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:02:49,137 INFO L87 Difference]: Start difference. First operand 4996 states and 7316 transitions. Second operand has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:02:50,603 INFO L93 Difference]: Finished difference Result 19445 states and 28655 transitions. [2022-10-16 04:02:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 04:02:50,604 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 04:02:50,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:02:50,625 INFO L225 Difference]: With dead ends: 19445 [2022-10-16 04:02:50,626 INFO L226 Difference]: Without dead ends: 19445 [2022-10-16 04:02:50,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2022-10-16 04:02:50,629 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 1845 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:02:50,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 2353 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:02:50,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19445 states. [2022-10-16 04:02:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19445 to 4947. [2022-10-16 04:02:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4947 states, 4946 states have (on average 1.4666397088556409) internal successors, (7254), 4946 states have internal predecessors, (7254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 4947 states and 7254 transitions. [2022-10-16 04:02:50,804 INFO L78 Accepts]: Start accepts. Automaton has 4947 states and 7254 transitions. Word has length 124 [2022-10-16 04:02:50,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:02:50,804 INFO L495 AbstractCegarLoop]: Abstraction has 4947 states and 7254 transitions. [2022-10-16 04:02:50,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:02:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4947 states and 7254 transitions. [2022-10-16 04:02:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 04:02:50,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:02:50,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:50,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 04:02:50,810 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:02:50,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:02:50,811 INFO L85 PathProgramCache]: Analyzing trace with hash -739623582, now seen corresponding path program 1 times [2022-10-16 04:02:50,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:02:50,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612348255] [2022-10-16 04:02:50,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:02:50,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:02:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:02:55,600 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 04:02:55,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:02:55,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612348255] [2022-10-16 04:02:55,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612348255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:02:55,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:02:55,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-10-16 04:02:55,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627722570] [2022-10-16 04:02:55,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:02:55,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 04:02:55,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:02:55,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 04:02:55,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1671, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 04:02:55,605 INFO L87 Difference]: Start difference. First operand 4947 states and 7254 transitions. Second operand has 43 states, 43 states have (on average 2.883720930232558) internal successors, (124), 43 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:19,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:19,960 INFO L93 Difference]: Finished difference Result 44428 states and 65503 transitions. [2022-10-16 04:03:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 04:03:19,961 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 2.883720930232558) internal successors, (124), 43 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 04:03:19,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:20,006 INFO L225 Difference]: With dead ends: 44428 [2022-10-16 04:03:20,007 INFO L226 Difference]: Without dead ends: 44428 [2022-10-16 04:03:20,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=1017, Invalid=5625, Unknown=0, NotChecked=0, Total=6642 [2022-10-16 04:03:20,009 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 3426 mSDsluCounter, 24050 mSDsCounter, 0 mSdLazyCounter, 16018 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 25069 SdHoareTripleChecker+Invalid, 16120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 16018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:20,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 25069 Invalid, 16120 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [102 Valid, 16018 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2022-10-16 04:03:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44428 states. [2022-10-16 04:03:20,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44428 to 4982. [2022-10-16 04:03:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4982 states, 4981 states have (on average 1.464766111222646) internal successors, (7296), 4981 states have internal predecessors, (7296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4982 states to 4982 states and 7296 transitions. [2022-10-16 04:03:20,460 INFO L78 Accepts]: Start accepts. Automaton has 4982 states and 7296 transitions. Word has length 124 [2022-10-16 04:03:20,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:20,461 INFO L495 AbstractCegarLoop]: Abstraction has 4982 states and 7296 transitions. [2022-10-16 04:03:20,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.883720930232558) internal successors, (124), 43 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4982 states and 7296 transitions. [2022-10-16 04:03:20,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:03:20,466 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:20,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:20,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 04:03:20,467 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:20,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1548225802, now seen corresponding path program 1 times [2022-10-16 04:03:20,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:20,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265127939] [2022-10-16 04:03:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:20,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:21,536 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 04:03:21,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:21,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265127939] [2022-10-16 04:03:21,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265127939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:21,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:21,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 04:03:21,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905419266] [2022-10-16 04:03:21,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:21,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 04:03:21,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:21,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 04:03:21,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:03:21,539 INFO L87 Difference]: Start difference. First operand 4982 states and 7296 transitions. Second operand has 14 states, 14 states have (on average 8.928571428571429) internal successors, (125), 14 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:23,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:23,756 INFO L93 Difference]: Finished difference Result 29070 states and 42871 transitions. [2022-10-16 04:03:23,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 04:03:23,756 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.928571428571429) internal successors, (125), 14 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:03:23,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:23,792 INFO L225 Difference]: With dead ends: 29070 [2022-10-16 04:03:23,793 INFO L226 Difference]: Without dead ends: 29070 [2022-10-16 04:03:23,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2022-10-16 04:03:23,794 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 1664 mSDsluCounter, 3886 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 4450 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:23,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 4450 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:03:23,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29070 states. [2022-10-16 04:03:23,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29070 to 4961. [2022-10-16 04:03:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4961 states, 4960 states have (on average 1.465725806451613) internal successors, (7270), 4960 states have internal predecessors, (7270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4961 states to 4961 states and 7270 transitions. [2022-10-16 04:03:24,070 INFO L78 Accepts]: Start accepts. Automaton has 4961 states and 7270 transitions. Word has length 125 [2022-10-16 04:03:24,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:24,070 INFO L495 AbstractCegarLoop]: Abstraction has 4961 states and 7270 transitions. [2022-10-16 04:03:24,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.928571428571429) internal successors, (125), 14 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4961 states and 7270 transitions. [2022-10-16 04:03:24,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:03:24,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:24,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:24,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 04:03:24,072 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:24,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:24,073 INFO L85 PathProgramCache]: Analyzing trace with hash -835295381, now seen corresponding path program 1 times [2022-10-16 04:03:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:24,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611469791] [2022-10-16 04:03:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:24,330 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 04:03:24,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:24,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611469791] [2022-10-16 04:03:24,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611469791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:24,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:24,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:03:24,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147347569] [2022-10-16 04:03:24,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:24,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:03:24,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:24,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:03:24,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:03:24,334 INFO L87 Difference]: Start difference. First operand 4961 states and 7270 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:24,389 INFO L93 Difference]: Finished difference Result 7049 states and 10288 transitions. [2022-10-16 04:03:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:03:24,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:03:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:24,400 INFO L225 Difference]: With dead ends: 7049 [2022-10-16 04:03:24,400 INFO L226 Difference]: Without dead ends: 7049 [2022-10-16 04:03:24,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:03:24,401 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 113 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:24,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 585 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:03:24,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7049 states. [2022-10-16 04:03:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7049 to 7017. [2022-10-16 04:03:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7017 states, 7016 states have (on average 1.4619441277080958) internal successors, (10257), 7016 states have internal predecessors, (10257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7017 states to 7017 states and 10257 transitions. [2022-10-16 04:03:24,513 INFO L78 Accepts]: Start accepts. Automaton has 7017 states and 10257 transitions. Word has length 125 [2022-10-16 04:03:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:24,513 INFO L495 AbstractCegarLoop]: Abstraction has 7017 states and 10257 transitions. [2022-10-16 04:03:24,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 7017 states and 10257 transitions. [2022-10-16 04:03:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 04:03:24,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:24,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:24,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 04:03:24,515 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:24,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:24,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2094379857, now seen corresponding path program 1 times [2022-10-16 04:03:24,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:24,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125003586] [2022-10-16 04:03:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:24,825 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 04:03:24,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:24,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125003586] [2022-10-16 04:03:24,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125003586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:24,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:24,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:03:24,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951708459] [2022-10-16 04:03:24,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:24,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:03:24,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:24,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:03:24,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:03:24,830 INFO L87 Difference]: Start difference. First operand 7017 states and 10257 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:24,890 INFO L93 Difference]: Finished difference Result 10952 states and 15974 transitions. [2022-10-16 04:03:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 04:03:24,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 04:03:24,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:24,906 INFO L225 Difference]: With dead ends: 10952 [2022-10-16 04:03:24,907 INFO L226 Difference]: Without dead ends: 10952 [2022-10-16 04:03:24,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 04:03:24,908 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 228 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:24,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 987 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:03:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10952 states. [2022-10-16 04:03:25,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10952 to 7049. [2022-10-16 04:03:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7049 states, 7048 states have (on average 1.4550227014755959) internal successors, (10255), 7048 states have internal predecessors, (10255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7049 states to 7049 states and 10255 transitions. [2022-10-16 04:03:25,088 INFO L78 Accepts]: Start accepts. Automaton has 7049 states and 10255 transitions. Word has length 125 [2022-10-16 04:03:25,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:25,088 INFO L495 AbstractCegarLoop]: Abstraction has 7049 states and 10255 transitions. [2022-10-16 04:03:25,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 7049 states and 10255 transitions. [2022-10-16 04:03:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:25,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:25,091 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:25,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 04:03:25,091 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:25,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:25,092 INFO L85 PathProgramCache]: Analyzing trace with hash -636702584, now seen corresponding path program 1 times [2022-10-16 04:03:25,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:25,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785659157] [2022-10-16 04:03:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:25,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:25,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785659157] [2022-10-16 04:03:25,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785659157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:25,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:25,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:03:25,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449478487] [2022-10-16 04:03:25,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:25,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:03:25,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:25,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:03:25,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:03:25,288 INFO L87 Difference]: Start difference. First operand 7049 states and 10255 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:25,331 INFO L93 Difference]: Finished difference Result 9698 states and 14043 transitions. [2022-10-16 04:03:25,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:03:25,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:03:25,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:25,346 INFO L225 Difference]: With dead ends: 9698 [2022-10-16 04:03:25,346 INFO L226 Difference]: Without dead ends: 9698 [2022-10-16 04:03:25,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 04:03:25,347 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 107 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:25,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 535 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:03:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2022-10-16 04:03:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9420. [2022-10-16 04:03:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9420 states, 9419 states have (on average 1.4541883427115405) internal successors, (13697), 9419 states have internal predecessors, (13697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9420 states to 9420 states and 13697 transitions. [2022-10-16 04:03:25,489 INFO L78 Accepts]: Start accepts. Automaton has 9420 states and 13697 transitions. Word has length 161 [2022-10-16 04:03:25,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:25,490 INFO L495 AbstractCegarLoop]: Abstraction has 9420 states and 13697 transitions. [2022-10-16 04:03:25,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 9420 states and 13697 transitions. [2022-10-16 04:03:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:25,492 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:25,492 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:25,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 04:03:25,493 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:25,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:25,493 INFO L85 PathProgramCache]: Analyzing trace with hash -577368140, now seen corresponding path program 1 times [2022-10-16 04:03:25,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:25,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209560810] [2022-10-16 04:03:25,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:25,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:25,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209560810] [2022-10-16 04:03:25,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209560810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:25,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:25,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:03:25,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816488084] [2022-10-16 04:03:25,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:25,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:03:25,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:25,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:03:25,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:03:25,715 INFO L87 Difference]: Start difference. First operand 9420 states and 13697 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:26,300 INFO L93 Difference]: Finished difference Result 47508 states and 68672 transitions. [2022-10-16 04:03:26,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:03:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:03:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:26,348 INFO L225 Difference]: With dead ends: 47508 [2022-10-16 04:03:26,348 INFO L226 Difference]: Without dead ends: 47508 [2022-10-16 04:03:26,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:03:26,355 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 2371 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:26,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 504 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:03:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47508 states. [2022-10-16 04:03:26,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47508 to 20002. [2022-10-16 04:03:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20002 states, 20001 states have (on average 1.4535773211339433) internal successors, (29073), 20001 states have internal predecessors, (29073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20002 states to 20002 states and 29073 transitions. [2022-10-16 04:03:26,688 INFO L78 Accepts]: Start accepts. Automaton has 20002 states and 29073 transitions. Word has length 161 [2022-10-16 04:03:26,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:26,688 INFO L495 AbstractCegarLoop]: Abstraction has 20002 states and 29073 transitions. [2022-10-16 04:03:26,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 20002 states and 29073 transitions. [2022-10-16 04:03:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:26,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:26,690 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:26,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 04:03:26,690 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:26,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1637546944, now seen corresponding path program 1 times [2022-10-16 04:03:26,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:26,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204428491] [2022-10-16 04:03:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:26,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:26,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:26,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204428491] [2022-10-16 04:03:26,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204428491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:26,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:26,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:03:26,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297565275] [2022-10-16 04:03:26,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:26,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:03:26,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:26,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:03:26,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:03:26,901 INFO L87 Difference]: Start difference. First operand 20002 states and 29073 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:27,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:27,714 INFO L93 Difference]: Finished difference Result 94852 states and 136644 transitions. [2022-10-16 04:03:27,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:03:27,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:03:27,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:27,875 INFO L225 Difference]: With dead ends: 94852 [2022-10-16 04:03:27,875 INFO L226 Difference]: Without dead ends: 94852 [2022-10-16 04:03:27,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:03:27,876 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 2204 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:27,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2204 Valid, 508 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:03:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94852 states. [2022-10-16 04:03:29,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94852 to 42486. [2022-10-16 04:03:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42486 states, 42485 states have (on average 1.451641755913852) internal successors, (61673), 42485 states have internal predecessors, (61673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42486 states to 42486 states and 61673 transitions. [2022-10-16 04:03:29,478 INFO L78 Accepts]: Start accepts. Automaton has 42486 states and 61673 transitions. Word has length 161 [2022-10-16 04:03:29,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:29,479 INFO L495 AbstractCegarLoop]: Abstraction has 42486 states and 61673 transitions. [2022-10-16 04:03:29,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 42486 states and 61673 transitions. [2022-10-16 04:03:29,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:29,482 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:29,482 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:29,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 04:03:29,482 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:29,483 INFO L85 PathProgramCache]: Analyzing trace with hash -61197795, now seen corresponding path program 1 times [2022-10-16 04:03:29,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:29,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552427971] [2022-10-16 04:03:29,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:29,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:29,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:29,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552427971] [2022-10-16 04:03:29,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552427971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:29,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:29,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:03:29,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582244938] [2022-10-16 04:03:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:29,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:03:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:29,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:03:29,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:03:29,816 INFO L87 Difference]: Start difference. First operand 42486 states and 61673 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:30,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:30,938 INFO L93 Difference]: Finished difference Result 189540 states and 272060 transitions. [2022-10-16 04:03:30,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:03:30,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:03:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:31,287 INFO L225 Difference]: With dead ends: 189540 [2022-10-16 04:03:31,287 INFO L226 Difference]: Without dead ends: 189540 [2022-10-16 04:03:31,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:03:31,288 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 2037 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:31,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 512 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:03:31,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189540 states. [2022-10-16 04:03:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189540 to 90094. [2022-10-16 04:03:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90094 states, 90093 states have (on average 1.4492690886084378) internal successors, (130569), 90093 states have internal predecessors, (130569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90094 states to 90094 states and 130569 transitions. [2022-10-16 04:03:33,634 INFO L78 Accepts]: Start accepts. Automaton has 90094 states and 130569 transitions. Word has length 161 [2022-10-16 04:03:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:33,635 INFO L495 AbstractCegarLoop]: Abstraction has 90094 states and 130569 transitions. [2022-10-16 04:03:33,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 90094 states and 130569 transitions. [2022-10-16 04:03:33,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:33,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:33,639 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:33,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 04:03:33,640 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:33,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:33,640 INFO L85 PathProgramCache]: Analyzing trace with hash 415929941, now seen corresponding path program 1 times [2022-10-16 04:03:33,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:33,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61873676] [2022-10-16 04:03:33,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:34,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:34,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61873676] [2022-10-16 04:03:34,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61873676] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:03:34,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767681464] [2022-10-16 04:03:34,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:34,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:03:34,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:03:34,192 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 04:03:34,218 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 04:03:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:34,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 04:03:34,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:03:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:35,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 04:03:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:35,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767681464] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 04:03:35,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 04:03:35,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-10-16 04:03:35,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669523847] [2022-10-16 04:03:35,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 04:03:35,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 04:03:35,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:35,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 04:03:35,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-16 04:03:35,390 INFO L87 Difference]: Start difference. First operand 90094 states and 130569 transitions. Second operand has 11 states, 11 states have (on average 26.09090909090909) internal successors, (287), 10 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:37,329 INFO L93 Difference]: Finished difference Result 279476 states and 401404 transitions. [2022-10-16 04:03:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:03:37,330 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 26.09090909090909) internal successors, (287), 10 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:03:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:37,913 INFO L225 Difference]: With dead ends: 279476 [2022-10-16 04:03:37,913 INFO L226 Difference]: Without dead ends: 279476 [2022-10-16 04:03:37,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 312 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-10-16 04:03:37,914 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1669 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:37,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 820 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:03:38,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279476 states. [2022-10-16 04:03:41,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279476 to 187422. [2022-10-16 04:03:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187422 states, 187421 states have (on average 1.4431307057373506) internal successors, (270473), 187421 states have internal predecessors, (270473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187422 states to 187422 states and 270473 transitions. [2022-10-16 04:03:42,300 INFO L78 Accepts]: Start accepts. Automaton has 187422 states and 270473 transitions. Word has length 161 [2022-10-16 04:03:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:42,300 INFO L495 AbstractCegarLoop]: Abstraction has 187422 states and 270473 transitions. [2022-10-16 04:03:42,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.09090909090909) internal successors, (287), 10 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 187422 states and 270473 transitions. [2022-10-16 04:03:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:42,305 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:42,305 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:42,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 04:03:42,518 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,SelfDestructingSolverStorable42 [2022-10-16 04:03:42,519 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:42,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1457401507, now seen corresponding path program 1 times [2022-10-16 04:03:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:42,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478803130] [2022-10-16 04:03:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:43,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478803130] [2022-10-16 04:03:43,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478803130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:43,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:43,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:03:43,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202867896] [2022-10-16 04:03:43,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:43,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:03:43,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:03:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:03:43,401 INFO L87 Difference]: Start difference. First operand 187422 states and 270473 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:03:46,412 INFO L93 Difference]: Finished difference Result 609476 states and 868108 transitions. [2022-10-16 04:03:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:03:46,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:03:46,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:03:47,999 INFO L225 Difference]: With dead ends: 609476 [2022-10-16 04:03:47,999 INFO L226 Difference]: Without dead ends: 609476 [2022-10-16 04:03:47,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:03:48,000 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 1863 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:03:48,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1863 Valid, 518 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:03:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609476 states. [2022-10-16 04:03:55,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609476 to 395806. [2022-10-16 04:03:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395806 states, 395805 states have (on average 1.4409747224011824) internal successors, (570345), 395805 states have internal predecessors, (570345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395806 states to 395806 states and 570345 transitions. [2022-10-16 04:03:58,712 INFO L78 Accepts]: Start accepts. Automaton has 395806 states and 570345 transitions. Word has length 161 [2022-10-16 04:03:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:03:58,713 INFO L495 AbstractCegarLoop]: Abstraction has 395806 states and 570345 transitions. [2022-10-16 04:03:58,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:03:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 395806 states and 570345 transitions. [2022-10-16 04:03:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:03:58,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:03:58,735 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:58,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 04:03:58,735 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:03:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:03:58,736 INFO L85 PathProgramCache]: Analyzing trace with hash 534997387, now seen corresponding path program 1 times [2022-10-16 04:03:58,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:03:58,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924346210] [2022-10-16 04:03:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:03:58,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:03:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:03:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:03:58,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:03:58,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924346210] [2022-10-16 04:03:58,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924346210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:03:58,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:03:58,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:03:58,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892674345] [2022-10-16 04:03:58,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:03:58,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:03:58,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:03:58,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:03:58,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:03:58,997 INFO L87 Difference]: Start difference. First operand 395806 states and 570345 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:02,666 INFO L93 Difference]: Finished difference Result 689639 states and 985040 transitions. [2022-10-16 04:04:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:04:02,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:04:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:04,753 INFO L225 Difference]: With dead ends: 689639 [2022-10-16 04:04:04,753 INFO L226 Difference]: Without dead ends: 689639 [2022-10-16 04:04:04,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 04:04:04,754 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1593 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:04,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 644 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:04:05,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689639 states. [2022-10-16 04:04:12,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689639 to 415399. [2022-10-16 04:04:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415399 states, 415398 states have (on average 1.4358976210766543) internal successors, (596469), 415398 states have internal predecessors, (596469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415399 states to 415399 states and 596469 transitions. [2022-10-16 04:04:17,837 INFO L78 Accepts]: Start accepts. Automaton has 415399 states and 596469 transitions. Word has length 161 [2022-10-16 04:04:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:17,837 INFO L495 AbstractCegarLoop]: Abstraction has 415399 states and 596469 transitions. [2022-10-16 04:04:17,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 415399 states and 596469 transitions. [2022-10-16 04:04:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-16 04:04:17,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:17,951 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:17,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 04:04:17,952 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:04:17,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1800447511, now seen corresponding path program 1 times [2022-10-16 04:04:17,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:17,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166320048] [2022-10-16 04:04:17,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:17,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 04:04:18,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:18,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166320048] [2022-10-16 04:04:18,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166320048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:18,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:18,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:18,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098765353] [2022-10-16 04:04:18,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:18,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:18,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:18,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:18,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:18,480 INFO L87 Difference]: Start difference. First operand 415399 states and 596469 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:20,544 INFO L93 Difference]: Finished difference Result 393126 states and 559345 transitions. [2022-10-16 04:04:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2022-10-16 04:04:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:22,106 INFO L225 Difference]: With dead ends: 393126 [2022-10-16 04:04:22,107 INFO L226 Difference]: Without dead ends: 393126 [2022-10-16 04:04:22,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 04:04:22,113 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 103 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:22,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 524 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393126 states. [2022-10-16 04:04:29,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393126 to 386590. [2022-10-16 04:04:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386590 states, 386589 states have (on average 1.42715131573842) internal successors, (551721), 386589 states have internal predecessors, (551721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386590 states to 386590 states and 551721 transitions. [2022-10-16 04:04:32,720 INFO L78 Accepts]: Start accepts. Automaton has 386590 states and 551721 transitions. Word has length 196 [2022-10-16 04:04:32,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:32,721 INFO L495 AbstractCegarLoop]: Abstraction has 386590 states and 551721 transitions. [2022-10-16 04:04:32,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 386590 states and 551721 transitions. [2022-10-16 04:04:32,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-16 04:04:32,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:32,778 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:32,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 04:04:32,778 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:04:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:32,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1135874733, now seen corresponding path program 1 times [2022-10-16 04:04:32,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:32,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45218647] [2022-10-16 04:04:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:32,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat