/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.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:53:12,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:53:12,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:53:12,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 03:53:12,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:53:12,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:53:12,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:53:12,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:53:12,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:53:12,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:53:12,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:53:12,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:53:12,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:53:12,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:53:12,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:53:12,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:53:12,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:53:12,230 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 03:53:12,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:53:12,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:53:12,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:53:12,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:53:12,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:53:12,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:53:12,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:53:12,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:53:12,262 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:53:12,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:53:12,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:53:12,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:53:12,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:53:12,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:53:12,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:53:12,264 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:53:12,264 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:53:12,265 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:53:12,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:53:12,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:53:12,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:53:12,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:53:12,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:53:12,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:53:12,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:53:12,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:53:12,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:53:12,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:53:12,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:53:12,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:53:12,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:53:12,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:53:12,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:53:12,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:53:12,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:53:12,694 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:53:12,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 03:53:12,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6dfa10a/31e85a659155405e8e5b84cd332c571e/FLAGbea168711 [2022-10-16 03:53:13,521 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:53:13,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 03:53:13,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6dfa10a/31e85a659155405e8e5b84cd332c571e/FLAGbea168711 [2022-10-16 03:53:13,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6dfa10a/31e85a659155405e8e5b84cd332c571e [2022-10-16 03:53:13,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:53:13,812 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:53:13,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:53:13,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:53:13,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:53:13,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:53:13" (1/1) ... [2022-10-16 03:53:13,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ac47f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:13, skipping insertion in model container [2022-10-16 03:53:13,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:53:13" (1/1) ... [2022-10-16 03:53:13,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:53:13,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:53:14,219 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.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7834,7847] [2022-10-16 03:53:14,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:53:14,325 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:53:14,431 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.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7834,7847] [2022-10-16 03:53:14,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:53:14,484 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:53:14,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14 WrapperNode [2022-10-16 03:53:14,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:53:14,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:53:14,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:53:14,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:53:14,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,563 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 616 [2022-10-16 03:53:14,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:53:14,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:53:14,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:53:14,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:53:14,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:53:14,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:53:14,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:53:14,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:53:14,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (1/1) ... [2022-10-16 03:53:14,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:53:14,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:53:14,687 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 03:53:14,701 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 03:53:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:53:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:53:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:53:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:53:14,972 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:53:14,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:53:15,704 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:53:15,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:53:15,716 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:53:15,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:53:15 BoogieIcfgContainer [2022-10-16 03:53:15,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:53:15,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:53:15,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:53:15,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:53:15,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:53:13" (1/3) ... [2022-10-16 03:53:15,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66369ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:53:15, skipping insertion in model container [2022-10-16 03:53:15,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:53:14" (2/3) ... [2022-10-16 03:53:15,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66369ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:53:15, skipping insertion in model container [2022-10-16 03:53:15,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:53:15" (3/3) ... [2022-10-16 03:53:15,729 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 03:53:15,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:53:15,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 03:53:15,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:53:15,816 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;@6dc241df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:53:15,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 03:53:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 147 states have (on average 1.7619047619047619) internal successors, (259), 149 states have internal predecessors, (259), 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 03:53:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:53:15,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:15,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:53:15,831 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:15,837 INFO L85 PathProgramCache]: Analyzing trace with hash 945285, now seen corresponding path program 1 times [2022-10-16 03:53:15,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:15,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930489677] [2022-10-16 03:53:15,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:15,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:16,174 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 03:53:16,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:16,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930489677] [2022-10-16 03:53:16,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930489677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:16,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:16,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:53:16,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755775041] [2022-10-16 03:53:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:16,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:53:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:16,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:53:16,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:53:16,223 INFO L87 Difference]: Start difference. First operand has 150 states, 147 states have (on average 1.7619047619047619) internal successors, (259), 149 states have internal predecessors, (259), 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 03:53:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:16,272 INFO L93 Difference]: Finished difference Result 149 states and 257 transitions. [2022-10-16 03:53:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:53:16,275 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 03:53:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:16,287 INFO L225 Difference]: With dead ends: 149 [2022-10-16 03:53:16,288 INFO L226 Difference]: Without dead ends: 146 [2022-10-16 03:53:16,290 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 03:53:16,295 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 254 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 256 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 03:53:16,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 256 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:53:16,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-10-16 03:53:16,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2022-10-16 03:53:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.393103448275862) internal successors, (202), 145 states have internal predecessors, (202), 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 03:53:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2022-10-16 03:53:16,349 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 4 [2022-10-16 03:53:16,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:16,349 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2022-10-16 03:53:16,350 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 03:53:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2022-10-16 03:53:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 03:53:16,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:16,354 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] [2022-10-16 03:53:16,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:53:16,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:16,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:16,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1577999170, now seen corresponding path program 1 times [2022-10-16 03:53:16,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:16,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637093781] [2022-10-16 03:53:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:16,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:16,980 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 03:53:16,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:16,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637093781] [2022-10-16 03:53:16,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637093781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:16,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:16,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:16,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105901765] [2022-10-16 03:53:16,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:16,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:16,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:16,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:16,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:16,990 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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 03:53:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:17,362 INFO L93 Difference]: Finished difference Result 750 states and 1150 transitions. [2022-10-16 03:53:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:53:17,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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 75 [2022-10-16 03:53:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:17,370 INFO L225 Difference]: With dead ends: 750 [2022-10-16 03:53:17,370 INFO L226 Difference]: Without dead ends: 750 [2022-10-16 03:53:17,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:53:17,373 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 1398 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:17,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 1719 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:53:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2022-10-16 03:53:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 226. [2022-10-16 03:53:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.4622222222222223) internal successors, (329), 225 states have internal predecessors, (329), 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 03:53:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 329 transitions. [2022-10-16 03:53:17,408 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 329 transitions. Word has length 75 [2022-10-16 03:53:17,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:17,411 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 329 transitions. [2022-10-16 03:53:17,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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 03:53:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 329 transitions. [2022-10-16 03:53:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:17,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:17,415 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] [2022-10-16 03:53:17,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:53:17,415 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:17,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:17,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1882204162, now seen corresponding path program 1 times [2022-10-16 03:53:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:17,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196863367] [2022-10-16 03:53:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:17,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:17,786 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 03:53:17,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:17,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196863367] [2022-10-16 03:53:17,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196863367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:17,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:17,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:17,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497040083] [2022-10-16 03:53:17,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:17,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:17,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:17,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:17,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:17,803 INFO L87 Difference]: Start difference. First operand 226 states and 329 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:17,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:17,976 INFO L93 Difference]: Finished difference Result 801 states and 1239 transitions. [2022-10-16 03:53:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:53:17,977 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:17,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:17,982 INFO L225 Difference]: With dead ends: 801 [2022-10-16 03:53:17,982 INFO L226 Difference]: Without dead ends: 801 [2022-10-16 03:53:17,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:53:17,984 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 1030 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:17,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 1153 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:17,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-10-16 03:53:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 355. [2022-10-16 03:53:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.5112994350282485) internal successors, (535), 354 states have internal predecessors, (535), 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 03:53:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 535 transitions. [2022-10-16 03:53:18,017 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 535 transitions. Word has length 77 [2022-10-16 03:53:18,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:18,018 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 535 transitions. [2022-10-16 03:53:18,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 535 transitions. [2022-10-16 03:53:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:18,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:18,024 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] [2022-10-16 03:53:18,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:53:18,027 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:18,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:18,028 INFO L85 PathProgramCache]: Analyzing trace with hash -120044916, now seen corresponding path program 1 times [2022-10-16 03:53:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:18,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003186023] [2022-10-16 03:53:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:18,398 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 03:53:18,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:18,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003186023] [2022-10-16 03:53:18,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003186023] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:18,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:18,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:18,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128426465] [2022-10-16 03:53:18,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:18,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:18,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:18,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:18,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:18,406 INFO L87 Difference]: Start difference. First operand 355 states and 535 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:18,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:18,572 INFO L93 Difference]: Finished difference Result 925 states and 1437 transitions. [2022-10-16 03:53:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:53:18,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:18,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:18,581 INFO L225 Difference]: With dead ends: 925 [2022-10-16 03:53:18,581 INFO L226 Difference]: Without dead ends: 925 [2022-10-16 03:53:18,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:53:18,594 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1295 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:18,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 1056 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:18,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-10-16 03:53:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 538. [2022-10-16 03:53:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.5400372439478585) internal successors, (827), 537 states have internal predecessors, (827), 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 03:53:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 827 transitions. [2022-10-16 03:53:18,628 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 827 transitions. Word has length 77 [2022-10-16 03:53:18,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:18,632 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 827 transitions. [2022-10-16 03:53:18,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 827 transitions. [2022-10-16 03:53:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:18,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:18,643 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] [2022-10-16 03:53:18,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:53:18,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:18,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:18,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1696566079, now seen corresponding path program 1 times [2022-10-16 03:53:18,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:18,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489026942] [2022-10-16 03:53:18,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:18,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:19,210 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 03:53:19,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:19,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489026942] [2022-10-16 03:53:19,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489026942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:19,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:19,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:19,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555041032] [2022-10-16 03:53:19,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:19,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:19,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:19,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:19,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:19,213 INFO L87 Difference]: Start difference. First operand 538 states and 827 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:19,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:19,413 INFO L93 Difference]: Finished difference Result 540 states and 824 transitions. [2022-10-16 03:53:19,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:53:19,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:19,417 INFO L225 Difference]: With dead ends: 540 [2022-10-16 03:53:19,417 INFO L226 Difference]: Without dead ends: 540 [2022-10-16 03:53:19,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:53:19,419 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 816 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:19,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 682 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-10-16 03:53:19,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 538. [2022-10-16 03:53:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.5325884543761639) internal successors, (823), 537 states have internal predecessors, (823), 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 03:53:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 823 transitions. [2022-10-16 03:53:19,437 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 823 transitions. Word has length 77 [2022-10-16 03:53:19,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:19,437 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 823 transitions. [2022-10-16 03:53:19,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 823 transitions. [2022-10-16 03:53:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:19,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:19,439 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] [2022-10-16 03:53:19,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:53:19,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:19,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:19,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1904417886, now seen corresponding path program 1 times [2022-10-16 03:53:19,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:19,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080515067] [2022-10-16 03:53:19,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:19,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:19,520 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 03:53:19,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:19,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080515067] [2022-10-16 03:53:19,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080515067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:19,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:19,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:53:19,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705949568] [2022-10-16 03:53:19,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:19,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:53:19,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:19,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:53:19,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:53:19,524 INFO L87 Difference]: Start difference. First operand 538 states and 823 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 03:53:19,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:19,555 INFO L93 Difference]: Finished difference Result 908 states and 1393 transitions. [2022-10-16 03:53:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:53:19,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:19,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:19,561 INFO L225 Difference]: With dead ends: 908 [2022-10-16 03:53:19,562 INFO L226 Difference]: Without dead ends: 908 [2022-10-16 03:53:19,562 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 03:53:19,563 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 83 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 467 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 03:53:19,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 467 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:53:19,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2022-10-16 03:53:19,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 892. [2022-10-16 03:53:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 891 states have (on average 1.5387205387205387) internal successors, (1371), 891 states have internal predecessors, (1371), 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 03:53:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1371 transitions. [2022-10-16 03:53:19,592 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1371 transitions. Word has length 77 [2022-10-16 03:53:19,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:19,592 INFO L495 AbstractCegarLoop]: Abstraction has 892 states and 1371 transitions. [2022-10-16 03:53:19,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 03:53:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1371 transitions. [2022-10-16 03:53:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:19,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:19,600 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] [2022-10-16 03:53:19,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:53:19,600 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:19,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1745860562, now seen corresponding path program 1 times [2022-10-16 03:53:19,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:19,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606333161] [2022-10-16 03:53:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:19,855 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 03:53:19,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:19,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606333161] [2022-10-16 03:53:19,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606333161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:19,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:19,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:19,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720695017] [2022-10-16 03:53:19,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:19,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:19,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:19,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:19,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:19,858 INFO L87 Difference]: Start difference. First operand 892 states and 1371 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:20,027 INFO L93 Difference]: Finished difference Result 1802 states and 2794 transitions. [2022-10-16 03:53:20,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:53:20,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:20,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:20,039 INFO L225 Difference]: With dead ends: 1802 [2022-10-16 03:53:20,039 INFO L226 Difference]: Without dead ends: 1802 [2022-10-16 03:53:20,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:53:20,041 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 1040 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:20,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1305 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2022-10-16 03:53:20,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1112. [2022-10-16 03:53:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1111 states have (on average 1.5445544554455446) internal successors, (1716), 1111 states have internal predecessors, (1716), 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 03:53:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1716 transitions. [2022-10-16 03:53:20,084 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1716 transitions. Word has length 77 [2022-10-16 03:53:20,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:20,084 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1716 transitions. [2022-10-16 03:53:20,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1716 transitions. [2022-10-16 03:53:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:20,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:20,086 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] [2022-10-16 03:53:20,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:53:20,087 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:20,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1856951880, now seen corresponding path program 1 times [2022-10-16 03:53:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:20,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596886602] [2022-10-16 03:53:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:20,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:20,297 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 03:53:20,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:20,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596886602] [2022-10-16 03:53:20,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596886602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:20,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:20,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:20,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960643192] [2022-10-16 03:53:20,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:20,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:20,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:20,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:20,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:20,300 INFO L87 Difference]: Start difference. First operand 1112 states and 1716 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:20,524 INFO L93 Difference]: Finished difference Result 2032 states and 3155 transitions. [2022-10-16 03:53:20,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:53:20,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:20,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:20,535 INFO L225 Difference]: With dead ends: 2032 [2022-10-16 03:53:20,536 INFO L226 Difference]: Without dead ends: 2032 [2022-10-16 03:53:20,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:53:20,537 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 1080 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:20,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1702 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2022-10-16 03:53:20,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1347. [2022-10-16 03:53:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1346 states have (on average 1.549034175334324) internal successors, (2085), 1346 states have internal predecessors, (2085), 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 03:53:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 2085 transitions. [2022-10-16 03:53:20,591 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 2085 transitions. Word has length 77 [2022-10-16 03:53:20,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:20,592 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 2085 transitions. [2022-10-16 03:53:20,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2085 transitions. [2022-10-16 03:53:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:53:20,594 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:20,594 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] [2022-10-16 03:53:20,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:53:20,594 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1646651862, now seen corresponding path program 1 times [2022-10-16 03:53:20,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:20,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235806950] [2022-10-16 03:53:20,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:20,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:20,810 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 03:53:20,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:20,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235806950] [2022-10-16 03:53:20,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235806950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:20,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:20,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:53:20,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218593002] [2022-10-16 03:53:20,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:20,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:53:20,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:20,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:53:20,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:53:20,813 INFO L87 Difference]: Start difference. First operand 1347 states and 2085 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:20,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:20,988 INFO L93 Difference]: Finished difference Result 2267 states and 3524 transitions. [2022-10-16 03:53:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:53:20,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-10-16 03:53:20,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:21,001 INFO L225 Difference]: With dead ends: 2267 [2022-10-16 03:53:21,001 INFO L226 Difference]: Without dead ends: 2267 [2022-10-16 03:53:21,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:53:21,002 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1087 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:21,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1265 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:21,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2022-10-16 03:53:21,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 1582. [2022-10-16 03:53:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1581 states have (on average 1.5521821631878558) internal successors, (2454), 1581 states have internal predecessors, (2454), 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 03:53:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2454 transitions. [2022-10-16 03:53:21,058 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2454 transitions. Word has length 77 [2022-10-16 03:53:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:21,058 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2454 transitions. [2022-10-16 03:53:21,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 03:53:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2454 transitions. [2022-10-16 03:53:21,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 03:53:21,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:21,060 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] [2022-10-16 03:53:21,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:53:21,061 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:21,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1055850175, now seen corresponding path program 1 times [2022-10-16 03:53:21,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:21,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672649659] [2022-10-16 03:53:21,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:21,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:21,196 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 03:53:21,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:21,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672649659] [2022-10-16 03:53:21,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672649659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:21,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:21,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:53:21,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543420918] [2022-10-16 03:53:21,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:21,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:53:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:21,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:53:21,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:53:21,199 INFO L87 Difference]: Start difference. First operand 1582 states and 2454 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 03:53:21,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:21,355 INFO L93 Difference]: Finished difference Result 1582 states and 2427 transitions. [2022-10-16 03:53:21,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:53:21,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2022-10-16 03:53:21,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:21,364 INFO L225 Difference]: With dead ends: 1582 [2022-10-16 03:53:21,364 INFO L226 Difference]: Without dead ends: 1582 [2022-10-16 03:53:21,365 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 03:53:21,366 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 551 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:21,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 111 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:21,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-10-16 03:53:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2022-10-16 03:53:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1581 states have (on average 1.5351043643263758) internal successors, (2427), 1581 states have internal predecessors, (2427), 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 03:53:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2427 transitions. [2022-10-16 03:53:21,415 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2427 transitions. Word has length 78 [2022-10-16 03:53:21,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:21,416 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2427 transitions. [2022-10-16 03:53:21,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 03:53:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2427 transitions. [2022-10-16 03:53:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 03:53:21,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:21,418 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] [2022-10-16 03:53:21,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:53:21,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:21,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2025338944, now seen corresponding path program 1 times [2022-10-16 03:53:21,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:21,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499856336] [2022-10-16 03:53:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:21,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:21,556 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 03:53:21,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:21,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499856336] [2022-10-16 03:53:21,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499856336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:21,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:21,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:53:21,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548668126] [2022-10-16 03:53:21,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:21,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:53:21,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:21,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:53:21,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:53:21,559 INFO L87 Difference]: Start difference. First operand 1582 states and 2427 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 03:53:21,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:21,693 INFO L93 Difference]: Finished difference Result 1582 states and 2400 transitions. [2022-10-16 03:53:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:53:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2022-10-16 03:53:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:21,702 INFO L225 Difference]: With dead ends: 1582 [2022-10-16 03:53:21,702 INFO L226 Difference]: Without dead ends: 1582 [2022-10-16 03:53:21,703 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 03:53:21,703 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 500 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:21,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 143 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-10-16 03:53:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2022-10-16 03:53:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1581 states have (on average 1.5180265654648957) internal successors, (2400), 1581 states have internal predecessors, (2400), 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 03:53:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2400 transitions. [2022-10-16 03:53:21,752 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2400 transitions. Word has length 79 [2022-10-16 03:53:21,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:21,753 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2400 transitions. [2022-10-16 03:53:21,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 03:53:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2400 transitions. [2022-10-16 03:53:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 03:53:21,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:21,755 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] [2022-10-16 03:53:21,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:53:21,755 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:21,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:21,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1784244513, now seen corresponding path program 1 times [2022-10-16 03:53:21,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:21,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759378607] [2022-10-16 03:53:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:21,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:21,899 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 03:53:21,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:21,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759378607] [2022-10-16 03:53:21,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759378607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:21,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:21,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:53:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026607949] [2022-10-16 03:53:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:21,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:53:21,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:21,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:53:21,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:53:21,902 INFO L87 Difference]: Start difference. First operand 1582 states and 2400 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 03:53:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:22,025 INFO L93 Difference]: Finished difference Result 1582 states and 2373 transitions. [2022-10-16 03:53:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:53:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2022-10-16 03:53:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:22,035 INFO L225 Difference]: With dead ends: 1582 [2022-10-16 03:53:22,035 INFO L226 Difference]: Without dead ends: 1582 [2022-10-16 03:53:22,035 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 03:53:22,036 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 505 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:22,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 135 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:22,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-10-16 03:53:22,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2022-10-16 03:53:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1581 states have (on average 1.5009487666034156) internal successors, (2373), 1581 states have internal predecessors, (2373), 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 03:53:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2373 transitions. [2022-10-16 03:53:22,082 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2373 transitions. Word has length 80 [2022-10-16 03:53:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:22,083 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2373 transitions. [2022-10-16 03:53:22,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 03:53:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2373 transitions. [2022-10-16 03:53:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:53:22,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:22,085 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] [2022-10-16 03:53:22,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:53:22,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:22,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:22,086 INFO L85 PathProgramCache]: Analyzing trace with hash -511041836, now seen corresponding path program 1 times [2022-10-16 03:53:22,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:22,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457146906] [2022-10-16 03:53:22,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:22,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:22,231 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 03:53:22,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:22,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457146906] [2022-10-16 03:53:22,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457146906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:22,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:22,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:53:22,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008695041] [2022-10-16 03:53:22,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:22,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:53:22,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:22,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:53:22,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:53:22,234 INFO L87 Difference]: Start difference. First operand 1582 states and 2373 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 03:53:22,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:22,353 INFO L93 Difference]: Finished difference Result 1582 states and 2346 transitions. [2022-10-16 03:53:22,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:53:22,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2022-10-16 03:53:22,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:22,362 INFO L225 Difference]: With dead ends: 1582 [2022-10-16 03:53:22,362 INFO L226 Difference]: Without dead ends: 1582 [2022-10-16 03:53:22,363 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 03:53:22,363 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 521 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:22,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 119 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:22,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-10-16 03:53:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2022-10-16 03:53:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1581 states have (on average 1.4838709677419355) internal successors, (2346), 1581 states have internal predecessors, (2346), 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 03:53:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2346 transitions. [2022-10-16 03:53:22,409 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2346 transitions. Word has length 81 [2022-10-16 03:53:22,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:22,410 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2346 transitions. [2022-10-16 03:53:22,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 03:53:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2346 transitions. [2022-10-16 03:53:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:53:22,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:22,412 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] [2022-10-16 03:53:22,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:53:22,412 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:22,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1919227007, now seen corresponding path program 1 times [2022-10-16 03:53:22,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:22,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225528603] [2022-10-16 03:53:22,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:22,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:22,546 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 03:53:22,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:22,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225528603] [2022-10-16 03:53:22,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225528603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:22,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:22,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:53:22,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570056153] [2022-10-16 03:53:22,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:22,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:53:22,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:22,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:53:22,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:53:22,549 INFO L87 Difference]: Start difference. First operand 1582 states and 2346 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 03:53:22,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:22,671 INFO L93 Difference]: Finished difference Result 1582 states and 2319 transitions. [2022-10-16 03:53:22,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:53:22,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2022-10-16 03:53:22,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:22,679 INFO L225 Difference]: With dead ends: 1582 [2022-10-16 03:53:22,679 INFO L226 Difference]: Without dead ends: 1582 [2022-10-16 03:53:22,680 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 03:53:22,680 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 503 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:22,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 127 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:53:22,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-10-16 03:53:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2022-10-16 03:53:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1581 states have (on average 1.4667931688804554) internal successors, (2319), 1581 states have internal predecessors, (2319), 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 03:53:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2319 transitions. [2022-10-16 03:53:22,722 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2319 transitions. Word has length 82 [2022-10-16 03:53:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:22,723 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2319 transitions. [2022-10-16 03:53:22,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 03:53:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2319 transitions. [2022-10-16 03:53:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:53:22,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:22,724 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] [2022-10-16 03:53:22,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:53:22,725 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:22,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:22,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1274660632, now seen corresponding path program 1 times [2022-10-16 03:53:22,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:22,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004162663] [2022-10-16 03:53:22,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:22,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:23,040 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 03:53:23,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:23,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004162663] [2022-10-16 03:53:23,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004162663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:23,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:23,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:53:23,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608235946] [2022-10-16 03:53:23,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:23,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:53:23,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:23,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:53:23,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:53:23,043 INFO L87 Difference]: Start difference. First operand 1582 states and 2319 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 03:53:23,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:23,094 INFO L93 Difference]: Finished difference Result 2597 states and 3805 transitions. [2022-10-16 03:53:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:53:23,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 83 [2022-10-16 03:53:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:23,108 INFO L225 Difference]: With dead ends: 2597 [2022-10-16 03:53:23,108 INFO L226 Difference]: Without dead ends: 2597 [2022-10-16 03:53:23,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:53:23,109 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 168 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:23,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 773 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:53:23,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2597 states. [2022-10-16 03:53:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2597 to 1594. [2022-10-16 03:53:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1593 states have (on average 1.4588826114249842) internal successors, (2324), 1593 states have internal predecessors, (2324), 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 03:53:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2324 transitions. [2022-10-16 03:53:23,165 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2324 transitions. Word has length 83 [2022-10-16 03:53:23,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:23,165 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2324 transitions. [2022-10-16 03:53:23,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 03:53:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2324 transitions. [2022-10-16 03:53:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 03:53:23,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:23,167 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] [2022-10-16 03:53:23,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:53:23,168 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:23,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:23,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1071199524, now seen corresponding path program 1 times [2022-10-16 03:53:23,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:23,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998716303] [2022-10-16 03:53:23,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:23,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:23,755 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 03:53:23,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:23,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998716303] [2022-10-16 03:53:23,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998716303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:23,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:23,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:53:23,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90837739] [2022-10-16 03:53:23,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:23,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:53:23,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:23,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:53:23,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:53:23,758 INFO L87 Difference]: Start difference. First operand 1594 states and 2324 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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 03:53:24,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:24,356 INFO L93 Difference]: Finished difference Result 3038 states and 4443 transitions. [2022-10-16 03:53:24,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 03:53:24,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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 83 [2022-10-16 03:53:24,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:24,371 INFO L225 Difference]: With dead ends: 3038 [2022-10-16 03:53:24,371 INFO L226 Difference]: Without dead ends: 3038 [2022-10-16 03:53:24,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-10-16 03:53:24,372 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 1230 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:24,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 433 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:53:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2022-10-16 03:53:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 1594. [2022-10-16 03:53:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1593 states have (on average 1.458254865034526) internal successors, (2323), 1593 states have internal predecessors, (2323), 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 03:53:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2323 transitions. [2022-10-16 03:53:24,425 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2323 transitions. Word has length 83 [2022-10-16 03:53:24,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:24,425 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2323 transitions. [2022-10-16 03:53:24,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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 03:53:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2323 transitions. [2022-10-16 03:53:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 03:53:24,427 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:24,427 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] [2022-10-16 03:53:24,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:53:24,428 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:24,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -49884989, now seen corresponding path program 1 times [2022-10-16 03:53:24,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:24,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340269343] [2022-10-16 03:53:24,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:24,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:24,828 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 03:53:24,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:24,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340269343] [2022-10-16 03:53:24,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340269343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:24,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:24,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:53:24,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716012950] [2022-10-16 03:53:24,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:24,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:53:24,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:24,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:53:24,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:53:24,832 INFO L87 Difference]: Start difference. First operand 1594 states and 2323 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 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 03:53:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:25,604 INFO L93 Difference]: Finished difference Result 3150 states and 4588 transitions. [2022-10-16 03:53:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:53:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 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 84 [2022-10-16 03:53:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:25,639 INFO L225 Difference]: With dead ends: 3150 [2022-10-16 03:53:25,640 INFO L226 Difference]: Without dead ends: 3150 [2022-10-16 03:53:25,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:53:25,641 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 1445 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:25,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 435 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:53:25,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-10-16 03:53:25,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 1594. [2022-10-16 03:53:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1593 states have (on average 1.4569993722536096) internal successors, (2321), 1593 states have internal predecessors, (2321), 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 03:53:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2321 transitions. [2022-10-16 03:53:25,703 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2321 transitions. Word has length 84 [2022-10-16 03:53:25,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:25,703 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2321 transitions. [2022-10-16 03:53:25,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 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 03:53:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2321 transitions. [2022-10-16 03:53:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 03:53:25,707 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:25,708 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] [2022-10-16 03:53:25,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:53:25,708 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:25,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1500586117, now seen corresponding path program 1 times [2022-10-16 03:53:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:25,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255222158] [2022-10-16 03:53:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:26,186 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 03:53:26,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:26,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255222158] [2022-10-16 03:53:26,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255222158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:26,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:26,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:53:26,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546709] [2022-10-16 03:53:26,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:26,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:53:26,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:26,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:53:26,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:53:26,189 INFO L87 Difference]: Start difference. First operand 1594 states and 2321 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 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 03:53:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:27,070 INFO L93 Difference]: Finished difference Result 3145 states and 4575 transitions. [2022-10-16 03:53:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:53:27,071 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 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 84 [2022-10-16 03:53:27,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:27,079 INFO L225 Difference]: With dead ends: 3145 [2022-10-16 03:53:27,079 INFO L226 Difference]: Without dead ends: 3145 [2022-10-16 03:53:27,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:53:27,080 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 1258 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:27,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 548 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:53:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2022-10-16 03:53:27,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 1594. [2022-10-16 03:53:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1593 states have (on average 1.4544883866917766) internal successors, (2317), 1593 states have internal predecessors, (2317), 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 03:53:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2317 transitions. [2022-10-16 03:53:27,132 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2317 transitions. Word has length 84 [2022-10-16 03:53:27,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:27,132 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2317 transitions. [2022-10-16 03:53:27,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 states have internal predecessors, (84), 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 03:53:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2317 transitions. [2022-10-16 03:53:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 03:53:27,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:27,134 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] [2022-10-16 03:53:27,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:53:27,135 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:27,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:27,135 INFO L85 PathProgramCache]: Analyzing trace with hash 842057330, now seen corresponding path program 1 times [2022-10-16 03:53:27,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:27,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008105538] [2022-10-16 03:53:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:27,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:27,578 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 03:53:27,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:27,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008105538] [2022-10-16 03:53:27,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008105538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:27,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:27,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:53:27,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091035608] [2022-10-16 03:53:27,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:27,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:53:27,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:27,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:53:27,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:53:27,581 INFO L87 Difference]: Start difference. First operand 1594 states and 2317 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 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 03:53:28,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:28,352 INFO L93 Difference]: Finished difference Result 3135 states and 4552 transitions. [2022-10-16 03:53:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:53:28,353 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 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 85 [2022-10-16 03:53:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:28,360 INFO L225 Difference]: With dead ends: 3135 [2022-10-16 03:53:28,361 INFO L226 Difference]: Without dead ends: 3135 [2022-10-16 03:53:28,361 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 03:53:28,362 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1390 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1390 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:28,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1390 Valid, 423 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:53:28,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-10-16 03:53:28,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 1594. [2022-10-16 03:53:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1593 states have (on average 1.4513496547394853) internal successors, (2312), 1593 states have internal predecessors, (2312), 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 03:53:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2312 transitions. [2022-10-16 03:53:28,411 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2312 transitions. Word has length 85 [2022-10-16 03:53:28,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:28,412 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2312 transitions. [2022-10-16 03:53:28,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 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 03:53:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2312 transitions. [2022-10-16 03:53:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 03:53:28,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:28,414 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] [2022-10-16 03:53:28,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:53:28,414 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:28,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:28,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2050544046, now seen corresponding path program 1 times [2022-10-16 03:53:28,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:28,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426272246] [2022-10-16 03:53:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:28,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:29,383 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 03:53:29,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:29,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426272246] [2022-10-16 03:53:29,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426272246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:29,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:29,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:53:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187465044] [2022-10-16 03:53:29,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:29,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:53:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:29,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:53:29,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:53:29,387 INFO L87 Difference]: Start difference. First operand 1594 states and 2312 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 12 states have internal predecessors, (86), 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 03:53:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:33,354 INFO L93 Difference]: Finished difference Result 25491 states and 36878 transitions. [2022-10-16 03:53:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 03:53:33,355 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 12 states have internal predecessors, (86), 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 86 [2022-10-16 03:53:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:33,426 INFO L225 Difference]: With dead ends: 25491 [2022-10-16 03:53:33,427 INFO L226 Difference]: Without dead ends: 25491 [2022-10-16 03:53:33,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=627, Invalid=2025, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 03:53:33,429 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 4645 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4645 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:33,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4645 Valid, 1159 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:53:33,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25491 states. [2022-10-16 03:53:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25491 to 1609. [2022-10-16 03:53:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1608 states have (on average 1.4465174129353233) internal successors, (2326), 1608 states have internal predecessors, (2326), 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 03:53:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2326 transitions. [2022-10-16 03:53:33,712 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2326 transitions. Word has length 86 [2022-10-16 03:53:33,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:33,713 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2326 transitions. [2022-10-16 03:53:33,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 12 states have internal predecessors, (86), 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 03:53:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2326 transitions. [2022-10-16 03:53:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:53:33,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:33,715 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] [2022-10-16 03:53:33,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:53:33,715 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:33,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:33,716 INFO L85 PathProgramCache]: Analyzing trace with hash 420822697, now seen corresponding path program 1 times [2022-10-16 03:53:33,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:33,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744346711] [2022-10-16 03:53:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:34,667 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 03:53:34,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:34,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744346711] [2022-10-16 03:53:34,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744346711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:34,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:34,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:53:34,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480069281] [2022-10-16 03:53:34,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:34,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:53:34,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:34,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:53:34,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:53:34,670 INFO L87 Difference]: Start difference. First operand 1609 states and 2326 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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 03:53:36,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:36,090 INFO L93 Difference]: Finished difference Result 6064 states and 8852 transitions. [2022-10-16 03:53:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:53:36,091 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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 87 [2022-10-16 03:53:36,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:36,104 INFO L225 Difference]: With dead ends: 6064 [2022-10-16 03:53:36,104 INFO L226 Difference]: Without dead ends: 6064 [2022-10-16 03:53:36,105 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 03:53:36,106 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 1624 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:36,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 1473 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:53:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2022-10-16 03:53:36,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 1595. [2022-10-16 03:53:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1594 states have (on average 1.444792973651192) internal successors, (2303), 1594 states have internal predecessors, (2303), 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 03:53:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2303 transitions. [2022-10-16 03:53:36,190 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2303 transitions. Word has length 87 [2022-10-16 03:53:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:36,191 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2303 transitions. [2022-10-16 03:53:36,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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 03:53:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2303 transitions. [2022-10-16 03:53:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:53:36,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:36,193 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] [2022-10-16 03:53:36,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:53:36,194 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:36,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash -891179609, now seen corresponding path program 1 times [2022-10-16 03:53:36,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:36,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643246331] [2022-10-16 03:53:36,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:36,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:53:37,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:37,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643246331] [2022-10-16 03:53:37,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643246331] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:37,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:37,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 03:53:37,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040723991] [2022-10-16 03:53:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:37,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 03:53:37,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:37,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 03:53:37,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:53:37,611 INFO L87 Difference]: Start difference. First operand 1595 states and 2303 transitions. Second operand has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 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 03:53:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:40,686 INFO L93 Difference]: Finished difference Result 5917 states and 8637 transitions. [2022-10-16 03:53:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 03:53:40,687 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 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 87 [2022-10-16 03:53:40,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:40,698 INFO L225 Difference]: With dead ends: 5917 [2022-10-16 03:53:40,698 INFO L226 Difference]: Without dead ends: 5917 [2022-10-16 03:53:40,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=326, Invalid=1156, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 03:53:40,703 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 1983 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 3937 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:40,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 3937 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:53:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2022-10-16 03:53:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 1595. [2022-10-16 03:53:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1594 states have (on average 1.443538268506901) internal successors, (2301), 1594 states have internal predecessors, (2301), 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 03:53:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2301 transitions. [2022-10-16 03:53:40,766 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2301 transitions. Word has length 87 [2022-10-16 03:53:40,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:40,766 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2301 transitions. [2022-10-16 03:53:40,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 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 03:53:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2301 transitions. [2022-10-16 03:53:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:53:40,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:40,768 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] [2022-10-16 03:53:40,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:53:40,769 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:40,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:40,770 INFO L85 PathProgramCache]: Analyzing trace with hash -359518871, now seen corresponding path program 1 times [2022-10-16 03:53:40,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:40,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072122662] [2022-10-16 03:53:40,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:43,905 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 03:53:43,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:43,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072122662] [2022-10-16 03:53:43,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072122662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:43,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:43,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-10-16 03:53:43,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783466140] [2022-10-16 03:53:43,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:43,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 03:53:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:43,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 03:53:43,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:53:43,910 INFO L87 Difference]: Start difference. First operand 1595 states and 2301 transitions. Second operand has 34 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 34 states have internal predecessors, (87), 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 03:53:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:54,127 INFO L93 Difference]: Finished difference Result 10306 states and 15085 transitions. [2022-10-16 03:53:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 03:53:54,128 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 34 states have internal predecessors, (87), 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 87 [2022-10-16 03:53:54,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:54,147 INFO L225 Difference]: With dead ends: 10306 [2022-10-16 03:53:54,147 INFO L226 Difference]: Without dead ends: 10306 [2022-10-16 03:53:54,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=641, Invalid=3649, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 03:53:54,149 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 2133 mSDsluCounter, 11402 mSDsCounter, 0 mSdLazyCounter, 6690 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 11941 SdHoareTripleChecker+Invalid, 6773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 6690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:54,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 11941 Invalid, 6773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [83 Valid, 6690 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 03:53:54,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10306 states. [2022-10-16 03:53:54,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10306 to 1613. [2022-10-16 03:53:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1613 states, 1612 states have (on average 1.4416873449131513) internal successors, (2324), 1612 states have internal predecessors, (2324), 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 03:53:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 2324 transitions. [2022-10-16 03:53:54,251 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 2324 transitions. Word has length 87 [2022-10-16 03:53:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:54,252 INFO L495 AbstractCegarLoop]: Abstraction has 1613 states and 2324 transitions. [2022-10-16 03:53:54,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 34 states have internal predecessors, (87), 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 03:53:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2324 transitions. [2022-10-16 03:53:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:53:54,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:54,253 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] [2022-10-16 03:53:54,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:53:54,254 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:54,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:54,254 INFO L85 PathProgramCache]: Analyzing trace with hash 633451142, now seen corresponding path program 1 times [2022-10-16 03:53:54,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:54,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963437931] [2022-10-16 03:53:54,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:54,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:54,934 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 03:53:54,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:54,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963437931] [2022-10-16 03:53:54,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963437931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:54,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:54,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:53:54,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20564677] [2022-10-16 03:53:54,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:54,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:53:54,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:54,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:53:54,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:53:54,937 INFO L87 Difference]: Start difference. First operand 1613 states and 2324 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 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 03:53:56,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:56,675 INFO L93 Difference]: Finished difference Result 8826 states and 12921 transitions. [2022-10-16 03:53:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 03:53:56,680 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 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 87 [2022-10-16 03:53:56,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:56,693 INFO L225 Difference]: With dead ends: 8826 [2022-10-16 03:53:56,694 INFO L226 Difference]: Without dead ends: 8826 [2022-10-16 03:53:56,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:53:56,695 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 1564 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:56,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 1533 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:53:56,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8826 states. [2022-10-16 03:53:56,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8826 to 1576. [2022-10-16 03:53:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.4444444444444444) internal successors, (2275), 1575 states have internal predecessors, (2275), 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 03:53:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2275 transitions. [2022-10-16 03:53:56,821 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2275 transitions. Word has length 87 [2022-10-16 03:53:56,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:56,822 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2275 transitions. [2022-10-16 03:53:56,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 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 03:53:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2275 transitions. [2022-10-16 03:53:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:53:56,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:56,824 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] [2022-10-16 03:53:56,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:53:56,825 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:56,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:56,826 INFO L85 PathProgramCache]: Analyzing trace with hash 377130840, now seen corresponding path program 1 times [2022-10-16 03:53:56,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:56,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096585252] [2022-10-16 03:53:56,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:56,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:53:57,682 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 03:53:57,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:53:57,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096585252] [2022-10-16 03:53:57,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096585252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:53:57,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:53:57,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 03:53:57,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996402356] [2022-10-16 03:53:57,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:53:57,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:53:57,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:53:57,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:53:57,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:53:57,686 INFO L87 Difference]: Start difference. First operand 1576 states and 2275 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 03:53:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:53:59,540 INFO L93 Difference]: Finished difference Result 11655 states and 17084 transitions. [2022-10-16 03:53:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:53:59,541 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 88 [2022-10-16 03:53:59,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:53:59,558 INFO L225 Difference]: With dead ends: 11655 [2022-10-16 03:53:59,558 INFO L226 Difference]: Without dead ends: 11655 [2022-10-16 03:53:59,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:53:59,559 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1936 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1936 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:53:59,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1936 Valid, 2511 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:53:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11655 states. [2022-10-16 03:53:59,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11655 to 1557. [2022-10-16 03:53:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1556 states have (on average 1.4440874035989717) internal successors, (2247), 1556 states have internal predecessors, (2247), 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 03:53:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2247 transitions. [2022-10-16 03:53:59,654 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2247 transitions. Word has length 88 [2022-10-16 03:53:59,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:53:59,654 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2247 transitions. [2022-10-16 03:53:59,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 03:53:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2247 transitions. [2022-10-16 03:53:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:53:59,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:53:59,656 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] [2022-10-16 03:53:59,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:53:59,656 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:53:59,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:53:59,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2099303399, now seen corresponding path program 1 times [2022-10-16 03:53:59,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:53:59,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405346369] [2022-10-16 03:53:59,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:53:59,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:53:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:00,414 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 03:54:00,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:00,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405346369] [2022-10-16 03:54:00,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405346369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:00,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:00,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:54:00,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39491843] [2022-10-16 03:54:00,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:00,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:54:00,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:00,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:54:00,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:54:00,416 INFO L87 Difference]: Start difference. First operand 1557 states and 2247 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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 03:54:02,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:02,110 INFO L93 Difference]: Finished difference Result 5926 states and 8657 transitions. [2022-10-16 03:54:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:54:02,111 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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 88 [2022-10-16 03:54:02,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:02,118 INFO L225 Difference]: With dead ends: 5926 [2022-10-16 03:54:02,119 INFO L226 Difference]: Without dead ends: 5926 [2022-10-16 03:54:02,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:54:02,120 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1213 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:02,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 2489 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:54:02,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2022-10-16 03:54:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 1532. [2022-10-16 03:54:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.4474199869366426) internal successors, (2216), 1531 states have internal predecessors, (2216), 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 03:54:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2216 transitions. [2022-10-16 03:54:02,177 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2216 transitions. Word has length 88 [2022-10-16 03:54:02,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:02,178 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2216 transitions. [2022-10-16 03:54:02,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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 03:54:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2216 transitions. [2022-10-16 03:54:02,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:54:02,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:02,179 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] [2022-10-16 03:54:02,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:54:02,179 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:02,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:02,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1915986027, now seen corresponding path program 1 times [2022-10-16 03:54:02,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:02,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29248580] [2022-10-16 03:54:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:02,341 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 03:54:02,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29248580] [2022-10-16 03:54:02,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29248580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:02,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:02,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:54:02,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672888865] [2022-10-16 03:54:02,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:02,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:54:02,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:02,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:54:02,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:54:02,344 INFO L87 Difference]: Start difference. First operand 1532 states and 2216 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 03:54:02,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:02,393 INFO L93 Difference]: Finished difference Result 2123 states and 3059 transitions. [2022-10-16 03:54:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:54:02,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 88 [2022-10-16 03:54:02,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:02,396 INFO L225 Difference]: With dead ends: 2123 [2022-10-16 03:54:02,396 INFO L226 Difference]: Without dead ends: 2123 [2022-10-16 03:54:02,397 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 03:54:02,398 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 89 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 433 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 03:54:02,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 433 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:54:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-10-16 03:54:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2110. [2022-10-16 03:54:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2109 states have (on average 1.444760550023708) internal successors, (3047), 2109 states have internal predecessors, (3047), 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 03:54:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 3047 transitions. [2022-10-16 03:54:02,430 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 3047 transitions. Word has length 88 [2022-10-16 03:54:02,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:02,430 INFO L495 AbstractCegarLoop]: Abstraction has 2110 states and 3047 transitions. [2022-10-16 03:54:02,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 03:54:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 3047 transitions. [2022-10-16 03:54:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:54:02,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:02,432 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] [2022-10-16 03:54:02,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:54:02,432 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1312135, now seen corresponding path program 1 times [2022-10-16 03:54:02,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:02,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905680064] [2022-10-16 03:54:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:04,968 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 03:54:04,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:04,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905680064] [2022-10-16 03:54:04,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905680064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:04,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:04,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-10-16 03:54:04,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458344136] [2022-10-16 03:54:04,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:04,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 03:54:04,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:04,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 03:54:04,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2022-10-16 03:54:04,972 INFO L87 Difference]: Start difference. First operand 2110 states and 3047 transitions. Second operand has 32 states, 32 states have (on average 2.75) internal successors, (88), 32 states have internal predecessors, (88), 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 03:54:15,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:15,203 INFO L93 Difference]: Finished difference Result 14979 states and 21819 transitions. [2022-10-16 03:54:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 03:54:15,203 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.75) internal successors, (88), 32 states have internal predecessors, (88), 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 88 [2022-10-16 03:54:15,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:15,222 INFO L225 Difference]: With dead ends: 14979 [2022-10-16 03:54:15,222 INFO L226 Difference]: Without dead ends: 14979 [2022-10-16 03:54:15,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=568, Invalid=2972, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 03:54:15,224 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 1552 mSDsluCounter, 11307 mSDsCounter, 0 mSdLazyCounter, 7303 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 11994 SdHoareTripleChecker+Invalid, 7362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 7303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:15,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 11994 Invalid, 7362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [59 Valid, 7303 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 03:54:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14979 states. [2022-10-16 03:54:15,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14979 to 2127. [2022-10-16 03:54:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2126 states have (on average 1.4430856067732831) internal successors, (3068), 2126 states have internal predecessors, (3068), 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 03:54:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 3068 transitions. [2022-10-16 03:54:15,389 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 3068 transitions. Word has length 88 [2022-10-16 03:54:15,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:15,389 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 3068 transitions. [2022-10-16 03:54:15,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.75) internal successors, (88), 32 states have internal predecessors, (88), 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 03:54:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 3068 transitions. [2022-10-16 03:54:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:54:15,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:15,390 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] [2022-10-16 03:54:15,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:54:15,391 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:15,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:15,392 INFO L85 PathProgramCache]: Analyzing trace with hash 316975013, now seen corresponding path program 1 times [2022-10-16 03:54:15,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:15,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248617389] [2022-10-16 03:54:15,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:15,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:16,214 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 03:54:16,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:16,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248617389] [2022-10-16 03:54:16,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248617389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:16,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:16,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 03:54:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576137896] [2022-10-16 03:54:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:16,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:54:16,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:16,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:54:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:54:16,216 INFO L87 Difference]: Start difference. First operand 2127 states and 3068 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 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 03:54:18,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:18,249 INFO L93 Difference]: Finished difference Result 12217 states and 17805 transitions. [2022-10-16 03:54:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:54:18,255 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 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 89 [2022-10-16 03:54:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:18,272 INFO L225 Difference]: With dead ends: 12217 [2022-10-16 03:54:18,272 INFO L226 Difference]: Without dead ends: 12217 [2022-10-16 03:54:18,273 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 03:54:18,273 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 1251 mSDsluCounter, 2905 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:18,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 3322 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:54:18,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12217 states. [2022-10-16 03:54:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12217 to 2104. [2022-10-16 03:54:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 2103 states have (on average 1.4450784593437946) internal successors, (3039), 2103 states have internal predecessors, (3039), 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 03:54:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 3039 transitions. [2022-10-16 03:54:18,391 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 3039 transitions. Word has length 89 [2022-10-16 03:54:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:18,391 INFO L495 AbstractCegarLoop]: Abstraction has 2104 states and 3039 transitions. [2022-10-16 03:54:18,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 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 03:54:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 3039 transitions. [2022-10-16 03:54:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:54:18,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:18,394 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:54:18,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:54:18,395 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:18,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:18,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1743887154, now seen corresponding path program 1 times [2022-10-16 03:54:18,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:18,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508356041] [2022-10-16 03:54:18,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:18,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:18,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508356041] [2022-10-16 03:54:18,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508356041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:18,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:18,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:54:18,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725992666] [2022-10-16 03:54:18,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:18,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:54:18,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:18,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:54:18,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:54:18,550 INFO L87 Difference]: Start difference. First operand 2104 states and 3039 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 03:54:18,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:18,590 INFO L93 Difference]: Finished difference Result 2917 states and 4190 transitions. [2022-10-16 03:54:18,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:54:18,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 03:54:18,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:18,594 INFO L225 Difference]: With dead ends: 2917 [2022-10-16 03:54:18,595 INFO L226 Difference]: Without dead ends: 2917 [2022-10-16 03:54:18,595 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 03:54:18,596 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 82 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 393 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 03:54:18,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 393 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:54:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2022-10-16 03:54:18,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2807. [2022-10-16 03:54:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2806 states have (on average 1.444761225944405) internal successors, (4054), 2806 states have internal predecessors, (4054), 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 03:54:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 4054 transitions. [2022-10-16 03:54:18,649 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 4054 transitions. Word has length 116 [2022-10-16 03:54:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:18,649 INFO L495 AbstractCegarLoop]: Abstraction has 2807 states and 4054 transitions. [2022-10-16 03:54:18,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 03:54:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 4054 transitions. [2022-10-16 03:54:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:54:18,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:18,651 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 03:54:18,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:54:18,652 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:18,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1636203635, now seen corresponding path program 1 times [2022-10-16 03:54:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:18,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037413697] [2022-10-16 03:54:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:18,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:18,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037413697] [2022-10-16 03:54:18,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037413697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:18,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:18,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:54:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718126505] [2022-10-16 03:54:18,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:18,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:54:18,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:54:18,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:54:18,821 INFO L87 Difference]: Start difference. First operand 2807 states and 4054 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:19,190 INFO L93 Difference]: Finished difference Result 12240 states and 17510 transitions. [2022-10-16 03:54:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:54:19,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:19,206 INFO L225 Difference]: With dead ends: 12240 [2022-10-16 03:54:19,206 INFO L226 Difference]: Without dead ends: 12240 [2022-10-16 03:54:19,206 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 03:54:19,207 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 1494 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:19,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 362 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:54:19,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12240 states. [2022-10-16 03:54:19,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12240 to 6016. [2022-10-16 03:54:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6016 states, 6015 states have (on average 1.4472152950955943) internal successors, (8705), 6015 states have internal predecessors, (8705), 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 03:54:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6016 states to 6016 states and 8705 transitions. [2022-10-16 03:54:19,347 INFO L78 Accepts]: Start accepts. Automaton has 6016 states and 8705 transitions. Word has length 116 [2022-10-16 03:54:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:19,347 INFO L495 AbstractCegarLoop]: Abstraction has 6016 states and 8705 transitions. [2022-10-16 03:54:19,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6016 states and 8705 transitions. [2022-10-16 03:54:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:54:19,349 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:19,349 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 03:54:19,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:54:19,350 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:19,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:19,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2144971769, now seen corresponding path program 1 times [2022-10-16 03:54:19,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:19,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165095772] [2022-10-16 03:54:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:19,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:19,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:19,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165095772] [2022-10-16 03:54:19,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165095772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:19,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:19,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:54:19,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197454464] [2022-10-16 03:54:19,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:19,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:54:19,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:19,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:54:19,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:54:19,531 INFO L87 Difference]: Start difference. First operand 6016 states and 8705 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:19,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:19,942 INFO L93 Difference]: Finished difference Result 24376 states and 34714 transitions. [2022-10-16 03:54:19,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:54:19,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:19,979 INFO L225 Difference]: With dead ends: 24376 [2022-10-16 03:54:19,979 INFO L226 Difference]: Without dead ends: 24376 [2022-10-16 03:54:19,980 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 03:54:19,981 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 1327 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:19,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 366 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:54:20,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24376 states. [2022-10-16 03:54:20,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24376 to 12934. [2022-10-16 03:54:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12934 states, 12933 states have (on average 1.4464548055362252) internal successors, (18707), 12933 states have internal predecessors, (18707), 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 03:54:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12934 states to 12934 states and 18707 transitions. [2022-10-16 03:54:20,293 INFO L78 Accepts]: Start accepts. Automaton has 12934 states and 18707 transitions. Word has length 116 [2022-10-16 03:54:20,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:20,293 INFO L495 AbstractCegarLoop]: Abstraction has 12934 states and 18707 transitions. [2022-10-16 03:54:20,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 12934 states and 18707 transitions. [2022-10-16 03:54:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:54:20,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:20,295 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 03:54:20,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:54:20,295 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash 531272813, now seen corresponding path program 1 times [2022-10-16 03:54:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:20,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800615989] [2022-10-16 03:54:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:20,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:20,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800615989] [2022-10-16 03:54:20,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800615989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:20,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:20,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:54:20,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632579254] [2022-10-16 03:54:20,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:20,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:54:20,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:20,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:54:20,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:54:20,467 INFO L87 Difference]: Start difference. First operand 12934 states and 18707 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:21,019 INFO L93 Difference]: Finished difference Result 47212 states and 67518 transitions. [2022-10-16 03:54:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:54:21,020 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:21,085 INFO L225 Difference]: With dead ends: 47212 [2022-10-16 03:54:21,085 INFO L226 Difference]: Without dead ends: 47212 [2022-10-16 03:54:21,085 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 03:54:21,086 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1669 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:21,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 356 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:54:21,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47212 states. [2022-10-16 03:54:21,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47212 to 27770. [2022-10-16 03:54:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27770 states, 27769 states have (on average 1.4444524469732436) internal successors, (40111), 27769 states have internal predecessors, (40111), 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 03:54:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27770 states to 27770 states and 40111 transitions. [2022-10-16 03:54:21,653 INFO L78 Accepts]: Start accepts. Automaton has 27770 states and 40111 transitions. Word has length 116 [2022-10-16 03:54:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:21,653 INFO L495 AbstractCegarLoop]: Abstraction has 27770 states and 40111 transitions. [2022-10-16 03:54:21,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 27770 states and 40111 transitions. [2022-10-16 03:54:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 03:54:21,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:21,655 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 03:54:21,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:54:21,655 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:21,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash 590869479, now seen corresponding path program 1 times [2022-10-16 03:54:21,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:21,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715876900] [2022-10-16 03:54:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:21,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:21,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715876900] [2022-10-16 03:54:21,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715876900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:21,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:21,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:54:21,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875684327] [2022-10-16 03:54:21,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:21,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:54:21,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:54:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:54:21,859 INFO L87 Difference]: Start difference. First operand 27770 states and 40111 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:22,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:22,582 INFO L93 Difference]: Finished difference Result 48307 states and 68958 transitions. [2022-10-16 03:54:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:54:22,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:22,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:22,719 INFO L225 Difference]: With dead ends: 48307 [2022-10-16 03:54:22,719 INFO L226 Difference]: Without dead ends: 48307 [2022-10-16 03:54:22,720 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 03:54:22,720 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 1154 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:22,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 450 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:54:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48307 states. [2022-10-16 03:54:23,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48307 to 29651. [2022-10-16 03:54:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29651 states, 29650 states have (on average 1.4374030354131535) internal successors, (42619), 29650 states have internal predecessors, (42619), 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 03:54:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29651 states to 29651 states and 42619 transitions. [2022-10-16 03:54:23,425 INFO L78 Accepts]: Start accepts. Automaton has 29651 states and 42619 transitions. Word has length 116 [2022-10-16 03:54:23,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:23,425 INFO L495 AbstractCegarLoop]: Abstraction has 29651 states and 42619 transitions. [2022-10-16 03:54:23,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 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 03:54:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29651 states and 42619 transitions. [2022-10-16 03:54:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 03:54:23,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:23,443 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 03:54:23,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:54:23,444 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:23,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:23,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1143695338, now seen corresponding path program 1 times [2022-10-16 03:54:23,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:23,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606160092] [2022-10-16 03:54:23,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:23,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 03:54:23,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:23,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606160092] [2022-10-16 03:54:23,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606160092] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:23,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:23,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:54:23,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988170737] [2022-10-16 03:54:23,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:23,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:54:23,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:23,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:54:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:54:23,624 INFO L87 Difference]: Start difference. First operand 29651 states and 42619 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 03:54:23,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:23,918 INFO L93 Difference]: Finished difference Result 27538 states and 39095 transitions. [2022-10-16 03:54:23,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:54:23,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 143 [2022-10-16 03:54:23,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:23,965 INFO L225 Difference]: With dead ends: 27538 [2022-10-16 03:54:23,966 INFO L226 Difference]: Without dead ends: 27538 [2022-10-16 03:54:23,967 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 03:54:23,968 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 78 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:23,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 384 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:54:23,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27538 states. [2022-10-16 03:54:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27538 to 26906. [2022-10-16 03:54:24,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26906 states, 26905 states have (on average 1.425720126370563) internal successors, (38359), 26905 states have internal predecessors, (38359), 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 03:54:24,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26906 states to 26906 states and 38359 transitions. [2022-10-16 03:54:24,744 INFO L78 Accepts]: Start accepts. Automaton has 26906 states and 38359 transitions. Word has length 143 [2022-10-16 03:54:24,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:24,745 INFO L495 AbstractCegarLoop]: Abstraction has 26906 states and 38359 transitions. [2022-10-16 03:54:24,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 03:54:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 26906 states and 38359 transitions. [2022-10-16 03:54:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 03:54:24,772 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:24,772 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 03:54:24,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:54:24,773 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1248985563, now seen corresponding path program 1 times [2022-10-16 03:54:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:24,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230233180] [2022-10-16 03:54:24,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 03:54:25,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:25,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230233180] [2022-10-16 03:54:25,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230233180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:25,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:25,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:54:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066036083] [2022-10-16 03:54:25,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:25,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:54:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:25,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:54:25,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:54:25,005 INFO L87 Difference]: Start difference. First operand 26906 states and 38359 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 03:54:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:25,193 INFO L93 Difference]: Finished difference Result 24808 states and 34860 transitions. [2022-10-16 03:54:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:54:25,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 144 [2022-10-16 03:54:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:25,232 INFO L225 Difference]: With dead ends: 24808 [2022-10-16 03:54:25,233 INFO L226 Difference]: Without dead ends: 24808 [2022-10-16 03:54:25,233 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 03:54:25,234 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 71 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:25,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 386 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:54:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24808 states. [2022-10-16 03:54:25,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24808 to 24206. [2022-10-16 03:54:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24206 states, 24205 states have (on average 1.4112373476554432) internal successors, (34159), 24205 states have internal predecessors, (34159), 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 03:54:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24206 states to 24206 states and 34159 transitions. [2022-10-16 03:54:25,678 INFO L78 Accepts]: Start accepts. Automaton has 24206 states and 34159 transitions. Word has length 144 [2022-10-16 03:54:25,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:25,679 INFO L495 AbstractCegarLoop]: Abstraction has 24206 states and 34159 transitions. [2022-10-16 03:54:25,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 03:54:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 24206 states and 34159 transitions. [2022-10-16 03:54:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 03:54:25,687 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:25,687 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 03:54:25,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:54:25,687 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:25,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:25,688 INFO L85 PathProgramCache]: Analyzing trace with hash -753227601, now seen corresponding path program 1 times [2022-10-16 03:54:25,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:25,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070211903] [2022-10-16 03:54:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:25,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 03:54:26,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:26,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070211903] [2022-10-16 03:54:26,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070211903] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:26,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:26,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:54:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711458900] [2022-10-16 03:54:26,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:26,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:54:26,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:26,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:54:26,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:54:26,071 INFO L87 Difference]: Start difference. First operand 24206 states and 34159 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 03:54:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:26,136 INFO L93 Difference]: Finished difference Result 22108 states and 30660 transitions. [2022-10-16 03:54:26,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:54:26,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 145 [2022-10-16 03:54:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:26,165 INFO L225 Difference]: With dead ends: 22108 [2022-10-16 03:54:26,165 INFO L226 Difference]: Without dead ends: 22108 [2022-10-16 03:54:26,165 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 03:54:26,166 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 64 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 386 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 03:54:26,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 386 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:54:26,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22108 states. [2022-10-16 03:54:26,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22108 to 21506. [2022-10-16 03:54:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21506 states, 21505 states have (on average 1.3931178795628925) internal successors, (29959), 21505 states have internal predecessors, (29959), 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 03:54:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21506 states to 21506 states and 29959 transitions. [2022-10-16 03:54:26,496 INFO L78 Accepts]: Start accepts. Automaton has 21506 states and 29959 transitions. Word has length 145 [2022-10-16 03:54:26,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:26,497 INFO L495 AbstractCegarLoop]: Abstraction has 21506 states and 29959 transitions. [2022-10-16 03:54:26,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 03:54:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 21506 states and 29959 transitions. [2022-10-16 03:54:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-16 03:54:26,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:26,502 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 03:54:26,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:54:26,502 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:26,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1187620974, now seen corresponding path program 1 times [2022-10-16 03:54:26,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:26,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955920023] [2022-10-16 03:54:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:54:26,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:26,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955920023] [2022-10-16 03:54:26,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955920023] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:26,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:26,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:54:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350255100] [2022-10-16 03:54:26,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:26,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:54:26,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:26,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:54:26,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:54:26,778 INFO L87 Difference]: Start difference. First operand 21506 states and 29959 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 03:54:26,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:26,897 INFO L93 Difference]: Finished difference Result 40716 states and 55616 transitions. [2022-10-16 03:54:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:54:26,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 146 [2022-10-16 03:54:26,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:26,952 INFO L225 Difference]: With dead ends: 40716 [2022-10-16 03:54:26,952 INFO L226 Difference]: Without dead ends: 40716 [2022-10-16 03:54:26,952 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 03:54:26,953 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 56 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 389 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 03:54:26,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 389 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:54:26,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40716 states. [2022-10-16 03:54:27,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40716 to 37914. [2022-10-16 03:54:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37914 states, 37913 states have (on average 1.3772320839817478) internal successors, (52215), 37913 states have internal predecessors, (52215), 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 03:54:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37914 states to 37914 states and 52215 transitions. [2022-10-16 03:54:27,652 INFO L78 Accepts]: Start accepts. Automaton has 37914 states and 52215 transitions. Word has length 146 [2022-10-16 03:54:27,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:27,652 INFO L495 AbstractCegarLoop]: Abstraction has 37914 states and 52215 transitions. [2022-10-16 03:54:27,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 03:54:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 37914 states and 52215 transitions. [2022-10-16 03:54:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 03:54:27,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:27,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 03:54:27,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:54:27,660 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash 134527664, now seen corresponding path program 1 times [2022-10-16 03:54:27,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:27,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290387754] [2022-10-16 03:54:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:28,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:28,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290387754] [2022-10-16 03:54:28,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290387754] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:54:28,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794429881] [2022-10-16 03:54:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:28,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:54:28,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:54:28,637 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 03:54:28,662 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 03:54:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:28,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 03:54:28,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:54:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:54:30,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:54:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:54:30,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794429881] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:54:30,506 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:54:30,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 18 [2022-10-16 03:54:30,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718753966] [2022-10-16 03:54:30,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:54:30,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 03:54:30,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:30,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 03:54:30,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:54:30,509 INFO L87 Difference]: Start difference. First operand 37914 states and 52215 transitions. Second operand has 18 states, 18 states have (on average 23.055555555555557) internal successors, (415), 18 states have internal predecessors, (415), 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 03:54:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:38,200 INFO L93 Difference]: Finished difference Result 127719 states and 171936 transitions. [2022-10-16 03:54:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-10-16 03:54:38,200 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 23.055555555555557) internal successors, (415), 18 states have internal predecessors, (415), 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 147 [2022-10-16 03:54:38,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:38,384 INFO L225 Difference]: With dead ends: 127719 [2022-10-16 03:54:38,384 INFO L226 Difference]: Without dead ends: 127719 [2022-10-16 03:54:38,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1705 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1198, Invalid=4654, Unknown=0, NotChecked=0, Total=5852 [2022-10-16 03:54:38,386 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 2636 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2636 SdHoareTripleChecker+Valid, 3801 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 420 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:38,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2636 Valid, 3801 Invalid, 3996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3451 Invalid, 0 Unknown, 420 Unchecked, 2.8s Time] [2022-10-16 03:54:38,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127719 states. [2022-10-16 03:54:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127719 to 82470. [2022-10-16 03:54:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82470 states, 82469 states have (on average 1.3590803817191914) internal successors, (112082), 82469 states have internal predecessors, (112082), 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 03:54:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82470 states to 82470 states and 112082 transitions. [2022-10-16 03:54:40,187 INFO L78 Accepts]: Start accepts. Automaton has 82470 states and 112082 transitions. Word has length 147 [2022-10-16 03:54:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:40,188 INFO L495 AbstractCegarLoop]: Abstraction has 82470 states and 112082 transitions. [2022-10-16 03:54:40,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 23.055555555555557) internal successors, (415), 18 states have internal predecessors, (415), 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 03:54:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 82470 states and 112082 transitions. [2022-10-16 03:54:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 03:54:40,197 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:40,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 03:54:40,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 03:54:40,411 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,SelfDestructingSolverStorable38 [2022-10-16 03:54:40,412 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:40,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1740657434, now seen corresponding path program 1 times [2022-10-16 03:54:40,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:40,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989764705] [2022-10-16 03:54:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:40,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:41,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:41,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989764705] [2022-10-16 03:54:41,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989764705] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:54:41,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:54:41,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:54:41,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999709848] [2022-10-16 03:54:41,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:54:41,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:54:41,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:54:41,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:54:41,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:54:41,025 INFO L87 Difference]: Start difference. First operand 82470 states and 112082 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 03:54:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:54:41,165 INFO L93 Difference]: Finished difference Result 42806 states and 56968 transitions. [2022-10-16 03:54:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:54:41,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 147 [2022-10-16 03:54:41,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:54:41,225 INFO L225 Difference]: With dead ends: 42806 [2022-10-16 03:54:41,225 INFO L226 Difference]: Without dead ends: 42806 [2022-10-16 03:54:41,226 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 03:54:41,226 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 83 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:54:41,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 363 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:54:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42806 states. [2022-10-16 03:54:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42806 to 42704. [2022-10-16 03:54:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42704 states, 42703 states have (on average 1.3310540243074258) internal successors, (56840), 42703 states have internal predecessors, (56840), 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 03:54:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42704 states to 42704 states and 56840 transitions. [2022-10-16 03:54:41,909 INFO L78 Accepts]: Start accepts. Automaton has 42704 states and 56840 transitions. Word has length 147 [2022-10-16 03:54:41,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:54:41,910 INFO L495 AbstractCegarLoop]: Abstraction has 42704 states and 56840 transitions. [2022-10-16 03:54:41,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 03:54:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 42704 states and 56840 transitions. [2022-10-16 03:54:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 03:54:41,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:54:41,916 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 03:54:41,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:54:41,916 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:54:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:54:41,917 INFO L85 PathProgramCache]: Analyzing trace with hash -769826631, now seen corresponding path program 1 times [2022-10-16 03:54:41,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:54:41,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410594854] [2022-10-16 03:54:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:54:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:42,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:54:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410594854] [2022-10-16 03:54:42,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410594854] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:54:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139105793] [2022-10-16 03:54:42,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:54:42,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:54:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:54:42,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:54:42,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 03:54:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:54:43,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 03:54:43,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:54:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:54:58,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:55:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:00,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139105793] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:55:00,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:55:00,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 31 [2022-10-16 03:55:00,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377451099] [2022-10-16 03:55:00,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:55:00,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 03:55:00,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:00,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 03:55:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=875, Unknown=6, NotChecked=0, Total=992 [2022-10-16 03:55:00,669 INFO L87 Difference]: Start difference. First operand 42704 states and 56840 transitions. Second operand has 32 states, 32 states have (on average 12.71875) internal successors, (407), 31 states have internal predecessors, (407), 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 03:55:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:34,296 INFO L93 Difference]: Finished difference Result 45346 states and 59538 transitions. [2022-10-16 03:55:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 03:55:34,297 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 12.71875) internal successors, (407), 31 states have internal predecessors, (407), 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 148 [2022-10-16 03:55:34,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:55:34,342 INFO L225 Difference]: With dead ends: 45346 [2022-10-16 03:55:34,342 INFO L226 Difference]: Without dead ends: 45346 [2022-10-16 03:55:34,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 282 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 45.3s TimeCoverageRelationStatistics Valid=619, Invalid=3155, Unknown=8, NotChecked=0, Total=3782 [2022-10-16 03:55:34,344 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1346 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 238 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:55:34,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 1830 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1052 Invalid, 0 Unknown, 238 Unchecked, 1.4s Time] [2022-10-16 03:55:34,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45346 states. [2022-10-16 03:55:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45346 to 42861. [2022-10-16 03:55:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42861 states, 42860 states have (on average 1.3306112925804947) internal successors, (57030), 42860 states have internal predecessors, (57030), 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 03:55:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42861 states to 42861 states and 57030 transitions. [2022-10-16 03:55:34,923 INFO L78 Accepts]: Start accepts. Automaton has 42861 states and 57030 transitions. Word has length 148 [2022-10-16 03:55:34,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:55:34,924 INFO L495 AbstractCegarLoop]: Abstraction has 42861 states and 57030 transitions. [2022-10-16 03:55:34,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 12.71875) internal successors, (407), 31 states have internal predecessors, (407), 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 03:55:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 42861 states and 57030 transitions. [2022-10-16 03:55:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 03:55:34,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:55:34,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 03:55:34,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 03:55:35,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-10-16 03:55:35,142 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:55:35,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:55:35,143 INFO L85 PathProgramCache]: Analyzing trace with hash 82715949, now seen corresponding path program 1 times [2022-10-16 03:55:35,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:55:35,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253941839] [2022-10-16 03:55:35,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:35,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:55:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:55:36,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253941839] [2022-10-16 03:55:36,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253941839] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:55:36,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834203573] [2022-10-16 03:55:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:55:36,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:55:36,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:55:36,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:55:36,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 03:55:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:55:36,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 03:55:36,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:55:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:39,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:55:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:55:42,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834203573] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:55:42,461 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:55:42,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2022-10-16 03:55:42,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286830776] [2022-10-16 03:55:42,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:55:42,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 03:55:42,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:55:42,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 03:55:42,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=693, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:55:42,464 INFO L87 Difference]: Start difference. First operand 42861 states and 57030 transitions. Second operand has 29 states, 29 states have (on average 13.344827586206897) internal successors, (387), 28 states have internal predecessors, (387), 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 03:55:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:55:59,773 INFO L93 Difference]: Finished difference Result 221714 states and 291355 transitions. [2022-10-16 03:55:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 03:55:59,774 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 13.344827586206897) internal successors, (387), 28 states have internal predecessors, (387), 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 148 [2022-10-16 03:55:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:56:00,092 INFO L225 Difference]: With dead ends: 221714 [2022-10-16 03:56:00,093 INFO L226 Difference]: Without dead ends: 221714 [2022-10-16 03:56:00,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1297, Invalid=3259, Unknown=0, NotChecked=0, Total=4556 [2022-10-16 03:56:00,095 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 3498 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3498 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:56:00,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3498 Valid, 1912 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-16 03:56:00,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221714 states. [2022-10-16 03:56:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221714 to 101909. [2022-10-16 03:56:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101909 states, 101908 states have (on average 1.3284825528908428) internal successors, (135383), 101908 states have internal predecessors, (135383), 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 03:56:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101909 states to 101909 states and 135383 transitions. [2022-10-16 03:56:02,552 INFO L78 Accepts]: Start accepts. Automaton has 101909 states and 135383 transitions. Word has length 148 [2022-10-16 03:56:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:56:02,553 INFO L495 AbstractCegarLoop]: Abstraction has 101909 states and 135383 transitions. [2022-10-16 03:56:02,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 13.344827586206897) internal successors, (387), 28 states have internal predecessors, (387), 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 03:56:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 101909 states and 135383 transitions. [2022-10-16 03:56:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 03:56:02,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:56:02,562 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 03:56:02,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 03:56:02,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:56:02,765 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:56:02,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:56:02,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1400415675, now seen corresponding path program 1 times [2022-10-16 03:56:02,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:56:02,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952735262] [2022-10-16 03:56:02,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:56:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:04,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:56:04,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952735262] [2022-10-16 03:56:04,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952735262] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:56:04,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468505560] [2022-10-16 03:56:04,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:56:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:56:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:56:04,230 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:56:04,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 03:56:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:56:04,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 03:56:04,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:56:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:06,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:56:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:56:09,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468505560] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:56:09,091 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:56:09,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 30 [2022-10-16 03:56:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119854881] [2022-10-16 03:56:09,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:56:09,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-16 03:56:09,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:56:09,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-16 03:56:09,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:56:09,093 INFO L87 Difference]: Start difference. First operand 101909 states and 135383 transitions. Second operand has 31 states, 31 states have (on average 13.935483870967742) internal successors, (432), 30 states have internal predecessors, (432), 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)