/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 02:52:17,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 02:52:17,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 02:52:17,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 02:52:17,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 02:52:17,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 02:52:17,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 02:52:17,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 02:52:17,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 02:52:17,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 02:52:17,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 02:52:17,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 02:52:17,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 02:52:17,779 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 02:52:17,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 02:52:17,780 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 02:52:17,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 02:52:17,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 02:52:17,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 02:52:17,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 02:52:17,781 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 02:52:17,782 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 02:52:17,782 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 02:52:17,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 02:52:17,782 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 02:52:17,782 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 02:52:17,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 02:52:17,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 02:52:17,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 02:52:17,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 02:52:17,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:52:17,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 02:52:17,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 02:52:17,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 02:52:17,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 02:52:17,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 02:52:18,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 02:52:18,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 02:52:18,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 02:52:18,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 02:52:18,237 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 02:52:18,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2022-10-16 02:52:18,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34352c91e/bb0c9755426944c7846f691e4dad52b7/FLAG09b3f49f7 [2022-10-16 02:52:19,061 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 02:52:19,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2022-10-16 02:52:19,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34352c91e/bb0c9755426944c7846f691e4dad52b7/FLAG09b3f49f7 [2022-10-16 02:52:19,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34352c91e/bb0c9755426944c7846f691e4dad52b7 [2022-10-16 02:52:19,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 02:52:19,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 02:52:19,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 02:52:19,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 02:52:19,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 02:52:19,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:19,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0f7981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19, skipping insertion in model container [2022-10-16 02:52:19,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:19,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 02:52:19,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 02:52:19,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c[31172,31185] [2022-10-16 02:52:19,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:52:19,784 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 02:52:19,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c[31172,31185] [2022-10-16 02:52:19,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:52:19,972 INFO L208 MainTranslator]: Completed translation [2022-10-16 02:52:19,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19 WrapperNode [2022-10-16 02:52:19,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 02:52:19,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 02:52:19,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 02:52:19,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 02:52:19,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,102 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1008 [2022-10-16 02:52:20,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 02:52:20,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 02:52:20,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 02:52:20,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 02:52:20,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 02:52:20,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 02:52:20,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 02:52:20,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 02:52:20,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (1/1) ... [2022-10-16 02:52:20,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:52:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:52:20,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 02:52:20,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 02:52:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 02:52:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 02:52:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 02:52:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 02:52:20,482 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 02:52:20,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 02:52:21,695 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 02:52:21,709 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 02:52:21,709 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 02:52:21,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:21 BoogieIcfgContainer [2022-10-16 02:52:21,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 02:52:21,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 02:52:21,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 02:52:21,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 02:52:21,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:52:19" (1/3) ... [2022-10-16 02:52:21,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fee620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:52:21, skipping insertion in model container [2022-10-16 02:52:21,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:19" (2/3) ... [2022-10-16 02:52:21,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fee620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:52:21, skipping insertion in model container [2022-10-16 02:52:21,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:21" (3/3) ... [2022-10-16 02:52:21,724 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2022-10-16 02:52:21,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 02:52:21,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 02:52:21,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 02:52:21,847 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;@1f0b403c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 02:52:21,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 02:52:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 333 states, 330 states have (on average 1.803030303030303) internal successors, (595), 332 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 02:52:21,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:21,871 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] [2022-10-16 02:52:21,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:21,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:21,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1596460729, now seen corresponding path program 1 times [2022-10-16 02:52:21,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:21,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594644293] [2022-10-16 02:52:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:21,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:22,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:22,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594644293] [2022-10-16 02:52:22,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594644293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:22,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:22,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 02:52:22,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633357293] [2022-10-16 02:52:22,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:22,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 02:52:22,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:22,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 02:52:22,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 02:52:22,477 INFO L87 Difference]: Start difference. First operand has 333 states, 330 states have (on average 1.803030303030303) internal successors, (595), 332 states have internal predecessors, (595), 0 states have call successors, (0), 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 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:22,532 INFO L93 Difference]: Finished difference Result 328 states and 587 transitions. [2022-10-16 02:52:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 02:52:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 02:52:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:22,553 INFO L225 Difference]: With dead ends: 328 [2022-10-16 02:52:22,553 INFO L226 Difference]: Without dead ends: 328 [2022-10-16 02:52:22,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 02:52:22,560 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:22,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:22,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-16 02:52:22,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-10-16 02:52:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.7951070336391437) internal successors, (587), 327 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 587 transitions. [2022-10-16 02:52:22,637 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 587 transitions. Word has length 58 [2022-10-16 02:52:22,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:22,638 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 587 transitions. [2022-10-16 02:52:22,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 587 transitions. [2022-10-16 02:52:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 02:52:22,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:22,647 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 02:52:22,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 02:52:22,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash -330350354, now seen corresponding path program 1 times [2022-10-16 02:52:22,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:22,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4561796] [2022-10-16 02:52:22,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:22,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:23,196 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 02:52:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:23,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4561796] [2022-10-16 02:52:23,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4561796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:23,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:23,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:52:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718999379] [2022-10-16 02:52:23,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:23,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:52:23,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:23,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:52:23,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:52:23,203 INFO L87 Difference]: Start difference. First operand 328 states and 587 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 02:52:23,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:23,358 INFO L93 Difference]: Finished difference Result 331 states and 589 transitions. [2022-10-16 02:52:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:52:23,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 02:52:23,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:23,362 INFO L225 Difference]: With dead ends: 331 [2022-10-16 02:52:23,362 INFO L226 Difference]: Without dead ends: 328 [2022-10-16 02:52:23,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:52:23,365 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 3 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:23,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2291 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:23,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-16 02:52:23,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-10-16 02:52:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.654434250764526) internal successors, (541), 327 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 541 transitions. [2022-10-16 02:52:23,385 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 541 transitions. Word has length 77 [2022-10-16 02:52:23,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:23,386 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 541 transitions. [2022-10-16 02:52:23,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 02:52:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 541 transitions. [2022-10-16 02:52:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 02:52:23,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:23,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:23,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 02:52:23,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:23,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:23,398 INFO L85 PathProgramCache]: Analyzing trace with hash -550758364, now seen corresponding path program 1 times [2022-10-16 02:52:23,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:23,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883149251] [2022-10-16 02:52:23,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:23,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:23,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:23,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883149251] [2022-10-16 02:52:23,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883149251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:23,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:23,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:23,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002114342] [2022-10-16 02:52:23,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:23,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:23,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:23,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:23,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:23,689 INFO L87 Difference]: Start difference. First operand 328 states and 541 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:23,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:23,741 INFO L93 Difference]: Finished difference Result 448 states and 738 transitions. [2022-10-16 02:52:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:23,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 02:52:23,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:23,745 INFO L225 Difference]: With dead ends: 448 [2022-10-16 02:52:23,745 INFO L226 Difference]: Without dead ends: 448 [2022-10-16 02:52:23,746 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 02:52:23,748 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 194 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:23,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1018 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2022-10-16 02:52:23,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 445. [2022-10-16 02:52:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.6576576576576576) internal successors, (736), 444 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 736 transitions. [2022-10-16 02:52:23,769 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 736 transitions. Word has length 122 [2022-10-16 02:52:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:23,770 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 736 transitions. [2022-10-16 02:52:23,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 736 transitions. [2022-10-16 02:52:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 02:52:23,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:23,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:23,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 02:52:23,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:23,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:23,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1222100528, now seen corresponding path program 1 times [2022-10-16 02:52:23,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:23,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421218501] [2022-10-16 02:52:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:23,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:23,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421218501] [2022-10-16 02:52:23,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421218501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:23,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:23,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:23,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677580781] [2022-10-16 02:52:23,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:23,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:23,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:23,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:23,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:23,982 INFO L87 Difference]: Start difference. First operand 445 states and 736 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:24,022 INFO L93 Difference]: Finished difference Result 674 states and 1116 transitions. [2022-10-16 02:52:24,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:24,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 02:52:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:24,031 INFO L225 Difference]: With dead ends: 674 [2022-10-16 02:52:24,032 INFO L226 Difference]: Without dead ends: 674 [2022-10-16 02:52:24,032 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 02:52:24,045 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 195 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:24,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1031 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:24,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-10-16 02:52:24,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2022-10-16 02:52:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 669 states have (on average 1.663677130044843) internal successors, (1113), 669 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1113 transitions. [2022-10-16 02:52:24,095 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1113 transitions. Word has length 125 [2022-10-16 02:52:24,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:24,097 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 1113 transitions. [2022-10-16 02:52:24,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1113 transitions. [2022-10-16 02:52:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 02:52:24,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:24,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:24,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 02:52:24,102 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:24,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash -116041787, now seen corresponding path program 1 times [2022-10-16 02:52:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:24,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720528555] [2022-10-16 02:52:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:24,341 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 02:52:24,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:24,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720528555] [2022-10-16 02:52:24,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720528555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:24,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:24,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:24,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431645102] [2022-10-16 02:52:24,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:24,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:24,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:24,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:24,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:24,345 INFO L87 Difference]: Start difference. First operand 670 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:24,380 INFO L93 Difference]: Finished difference Result 1104 states and 1830 transitions. [2022-10-16 02:52:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:24,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 02:52:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:24,388 INFO L225 Difference]: With dead ends: 1104 [2022-10-16 02:52:24,388 INFO L226 Difference]: Without dead ends: 1104 [2022-10-16 02:52:24,389 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 02:52:24,390 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 188 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:24,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1032 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:24,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-16 02:52:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1098. [2022-10-16 02:52:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1097 states have (on average 1.6636280765724705) internal successors, (1825), 1097 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1825 transitions. [2022-10-16 02:52:24,441 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1825 transitions. Word has length 128 [2022-10-16 02:52:24,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:24,442 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1825 transitions. [2022-10-16 02:52:24,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1825 transitions. [2022-10-16 02:52:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 02:52:24,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:24,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:24,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 02:52:24,445 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:24,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:24,446 INFO L85 PathProgramCache]: Analyzing trace with hash 655173041, now seen corresponding path program 1 times [2022-10-16 02:52:24,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:24,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289770395] [2022-10-16 02:52:24,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:24,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:24,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:24,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289770395] [2022-10-16 02:52:24,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289770395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:24,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:24,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:24,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697089089] [2022-10-16 02:52:24,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:24,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:24,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:24,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:24,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:24,611 INFO L87 Difference]: Start difference. First operand 1098 states and 1825 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 02:52:24,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:24,649 INFO L93 Difference]: Finished difference Result 1920 states and 3174 transitions. [2022-10-16 02:52:24,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:24,650 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 131 [2022-10-16 02:52:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:24,661 INFO L225 Difference]: With dead ends: 1920 [2022-10-16 02:52:24,661 INFO L226 Difference]: Without dead ends: 1920 [2022-10-16 02:52:24,662 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 02:52:24,663 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 181 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:24,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1033 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:24,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2022-10-16 02:52:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1910. [2022-10-16 02:52:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1909 states have (on average 1.6579360921948665) internal successors, (3165), 1909 states have internal predecessors, (3165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 3165 transitions. [2022-10-16 02:52:24,726 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 3165 transitions. Word has length 131 [2022-10-16 02:52:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:24,727 INFO L495 AbstractCegarLoop]: Abstraction has 1910 states and 3165 transitions. [2022-10-16 02:52:24,727 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 02:52:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 3165 transitions. [2022-10-16 02:52:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 02:52:24,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:24,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:24,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 02:52:24,732 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:24,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:24,732 INFO L85 PathProgramCache]: Analyzing trace with hash 455457894, now seen corresponding path program 1 times [2022-10-16 02:52:24,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:24,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270025033] [2022-10-16 02:52:24,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:24,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:25,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:25,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270025033] [2022-10-16 02:52:25,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270025033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:25,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:25,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:25,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895615763] [2022-10-16 02:52:25,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:25,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:25,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:25,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:25,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:25,023 INFO L87 Difference]: Start difference. First operand 1910 states and 3165 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:25,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:25,374 INFO L93 Difference]: Finished difference Result 8192 states and 13668 transitions. [2022-10-16 02:52:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 02:52:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 02:52:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:25,426 INFO L225 Difference]: With dead ends: 8192 [2022-10-16 02:52:25,426 INFO L226 Difference]: Without dead ends: 8192 [2022-10-16 02:52:25,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:52:25,429 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 2412 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:25,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 3741 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:52:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8192 states. [2022-10-16 02:52:25,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8192 to 3510. [2022-10-16 02:52:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 3509 states have (on average 1.6591621544599602) internal successors, (5822), 3509 states have internal predecessors, (5822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 5822 transitions. [2022-10-16 02:52:25,678 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 5822 transitions. Word has length 134 [2022-10-16 02:52:25,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:25,679 INFO L495 AbstractCegarLoop]: Abstraction has 3510 states and 5822 transitions. [2022-10-16 02:52:25,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 5822 transitions. [2022-10-16 02:52:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 02:52:25,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:25,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:25,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 02:52:25,688 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:25,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:25,688 INFO L85 PathProgramCache]: Analyzing trace with hash -860313711, now seen corresponding path program 1 times [2022-10-16 02:52:25,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:25,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821148429] [2022-10-16 02:52:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:25,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:25,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:25,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821148429] [2022-10-16 02:52:25,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821148429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:25,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:25,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:52:25,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157488550] [2022-10-16 02:52:25,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:25,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:52:25,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:25,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:52:25,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:52:25,951 INFO L87 Difference]: Start difference. First operand 3510 states and 5822 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:26,083 INFO L93 Difference]: Finished difference Result 6952 states and 11600 transitions. [2022-10-16 02:52:26,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:52:26,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 02:52:26,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:26,121 INFO L225 Difference]: With dead ends: 6952 [2022-10-16 02:52:26,121 INFO L226 Difference]: Without dead ends: 6952 [2022-10-16 02:52:26,122 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 02:52:26,122 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 655 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:26,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 1607 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:26,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6952 states. [2022-10-16 02:52:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6952 to 5214. [2022-10-16 02:52:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 5213 states have (on average 1.6621906771532706) internal successors, (8665), 5213 states have internal predecessors, (8665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:26,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 8665 transitions. [2022-10-16 02:52:26,311 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 8665 transitions. Word has length 135 [2022-10-16 02:52:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:26,312 INFO L495 AbstractCegarLoop]: Abstraction has 5214 states and 8665 transitions. [2022-10-16 02:52:26,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 8665 transitions. [2022-10-16 02:52:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 02:52:26,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:26,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:26,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 02:52:26,319 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:26,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:26,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1469443837, now seen corresponding path program 1 times [2022-10-16 02:52:26,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:26,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038123801] [2022-10-16 02:52:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:26,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:26,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:26,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038123801] [2022-10-16 02:52:26,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038123801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:26,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:26,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:52:26,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453878512] [2022-10-16 02:52:26,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:26,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:52:26,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:52:26,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:52:26,580 INFO L87 Difference]: Start difference. First operand 5214 states and 8665 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 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 02:52:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:26,738 INFO L93 Difference]: Finished difference Result 10278 states and 17107 transitions. [2022-10-16 02:52:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:52:26,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 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 136 [2022-10-16 02:52:26,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:26,801 INFO L225 Difference]: With dead ends: 10278 [2022-10-16 02:52:26,802 INFO L226 Difference]: Without dead ends: 10278 [2022-10-16 02:52:26,802 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 02:52:26,805 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 653 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:26,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1654 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2022-10-16 02:52:27,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 7722. [2022-10-16 02:52:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7722 states, 7721 states have (on average 1.6602771661701852) internal successors, (12819), 7721 states have internal predecessors, (12819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7722 states to 7722 states and 12819 transitions. [2022-10-16 02:52:27,114 INFO L78 Accepts]: Start accepts. Automaton has 7722 states and 12819 transitions. Word has length 136 [2022-10-16 02:52:27,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:27,115 INFO L495 AbstractCegarLoop]: Abstraction has 7722 states and 12819 transitions. [2022-10-16 02:52:27,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 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 02:52:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 7722 states and 12819 transitions. [2022-10-16 02:52:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 02:52:27,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:27,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:27,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 02:52:27,123 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:27,124 INFO L85 PathProgramCache]: Analyzing trace with hash 846488136, now seen corresponding path program 1 times [2022-10-16 02:52:27,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:27,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480259038] [2022-10-16 02:52:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:27,383 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 02:52:27,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:27,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480259038] [2022-10-16 02:52:27,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480259038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:27,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:27,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:52:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531392070] [2022-10-16 02:52:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:52:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:27,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:52:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:52:27,386 INFO L87 Difference]: Start difference. First operand 7722 states and 12819 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:27,562 INFO L93 Difference]: Finished difference Result 15186 states and 25245 transitions. [2022-10-16 02:52:27,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:52:27,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 02:52:27,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:27,601 INFO L225 Difference]: With dead ends: 15186 [2022-10-16 02:52:27,602 INFO L226 Difference]: Without dead ends: 15186 [2022-10-16 02:52:27,602 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 02:52:27,603 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 651 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:27,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1765 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:27,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15186 states. [2022-10-16 02:52:27,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15186 to 11420. [2022-10-16 02:52:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11420 states, 11419 states have (on average 1.658201243541466) internal successors, (18935), 11419 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11420 states to 11420 states and 18935 transitions. [2022-10-16 02:52:28,003 INFO L78 Accepts]: Start accepts. Automaton has 11420 states and 18935 transitions. Word has length 137 [2022-10-16 02:52:28,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:28,004 INFO L495 AbstractCegarLoop]: Abstraction has 11420 states and 18935 transitions. [2022-10-16 02:52:28,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 11420 states and 18935 transitions. [2022-10-16 02:52:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 02:52:28,013 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:28,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:28,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 02:52:28,014 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:28,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:28,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1116265068, now seen corresponding path program 1 times [2022-10-16 02:52:28,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:28,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829429008] [2022-10-16 02:52:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:28,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:28,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:28,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829429008] [2022-10-16 02:52:28,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829429008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:28,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:28,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:52:28,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827274156] [2022-10-16 02:52:28,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:28,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:52:28,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:28,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:52:28,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:52:28,227 INFO L87 Difference]: Start difference. First operand 11420 states and 18935 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:28,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:28,501 INFO L93 Difference]: Finished difference Result 22280 states and 36989 transitions. [2022-10-16 02:52:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:52:28,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 02:52:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:28,572 INFO L225 Difference]: With dead ends: 22280 [2022-10-16 02:52:28,572 INFO L226 Difference]: Without dead ends: 22280 [2022-10-16 02:52:28,573 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 02:52:28,574 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 649 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:28,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 1774 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:28,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22280 states. [2022-10-16 02:52:29,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22280 to 16802. [2022-10-16 02:52:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16802 states, 16801 states have (on average 1.656032379025058) internal successors, (27823), 16801 states have internal predecessors, (27823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 27823 transitions. [2022-10-16 02:52:29,201 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 27823 transitions. Word has length 138 [2022-10-16 02:52:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:29,201 INFO L495 AbstractCegarLoop]: Abstraction has 16802 states and 27823 transitions. [2022-10-16 02:52:29,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 27823 transitions. [2022-10-16 02:52:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 02:52:29,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:29,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:29,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 02:52:29,214 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:29,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:29,215 INFO L85 PathProgramCache]: Analyzing trace with hash -397139727, now seen corresponding path program 1 times [2022-10-16 02:52:29,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:29,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067508745] [2022-10-16 02:52:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:29,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:29,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:29,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067508745] [2022-10-16 02:52:29,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067508745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:29,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:29,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276530525] [2022-10-16 02:52:29,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:29,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:29,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:29,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:29,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:29,495 INFO L87 Difference]: Start difference. First operand 16802 states and 27823 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:29,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:29,676 INFO L93 Difference]: Finished difference Result 26582 states and 43754 transitions. [2022-10-16 02:52:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:29,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 02:52:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:29,768 INFO L225 Difference]: With dead ends: 26582 [2022-10-16 02:52:29,768 INFO L226 Difference]: Without dead ends: 26582 [2022-10-16 02:52:29,769 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 02:52:29,769 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 180 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:29,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1081 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26582 states. [2022-10-16 02:52:30,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26582 to 26580. [2022-10-16 02:52:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26580 states, 26579 states have (on average 1.646149215546108) internal successors, (43753), 26579 states have internal predecessors, (43753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26580 states to 26580 states and 43753 transitions. [2022-10-16 02:52:30,704 INFO L78 Accepts]: Start accepts. Automaton has 26580 states and 43753 transitions. Word has length 138 [2022-10-16 02:52:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:30,704 INFO L495 AbstractCegarLoop]: Abstraction has 26580 states and 43753 transitions. [2022-10-16 02:52:30,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 26580 states and 43753 transitions. [2022-10-16 02:52:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 02:52:30,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:30,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:30,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 02:52:30,727 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:30,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1906561851, now seen corresponding path program 1 times [2022-10-16 02:52:30,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:30,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903644021] [2022-10-16 02:52:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:30,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:30,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903644021] [2022-10-16 02:52:30,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903644021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:30,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:30,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:30,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135693499] [2022-10-16 02:52:30,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:30,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:30,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:30,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:30,950 INFO L87 Difference]: Start difference. First operand 26580 states and 43753 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:31,162 INFO L93 Difference]: Finished difference Result 40152 states and 65842 transitions. [2022-10-16 02:52:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:31,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 02:52:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:31,296 INFO L225 Difference]: With dead ends: 40152 [2022-10-16 02:52:31,297 INFO L226 Difference]: Without dead ends: 40152 [2022-10-16 02:52:31,297 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 02:52:31,299 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 187 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:31,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1126 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:31,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40152 states. [2022-10-16 02:52:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40152 to 40150. [2022-10-16 02:52:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40150 states, 40149 states have (on average 1.6399163117387732) internal successors, (65841), 40149 states have internal predecessors, (65841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40150 states to 40150 states and 65841 transitions. [2022-10-16 02:52:32,515 INFO L78 Accepts]: Start accepts. Automaton has 40150 states and 65841 transitions. Word has length 138 [2022-10-16 02:52:32,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:32,515 INFO L495 AbstractCegarLoop]: Abstraction has 40150 states and 65841 transitions. [2022-10-16 02:52:32,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 40150 states and 65841 transitions. [2022-10-16 02:52:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 02:52:32,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:32,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:32,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 02:52:32,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:32,520 INFO L85 PathProgramCache]: Analyzing trace with hash 968808881, now seen corresponding path program 1 times [2022-10-16 02:52:32,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:32,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616621464] [2022-10-16 02:52:32,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:32,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:32,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616621464] [2022-10-16 02:52:32,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616621464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:32,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:32,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:32,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823345553] [2022-10-16 02:52:32,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:32,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:32,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:32,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:32,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:32,783 INFO L87 Difference]: Start difference. First operand 40150 states and 65841 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:33,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:33,167 INFO L93 Difference]: Finished difference Result 60584 states and 98792 transitions. [2022-10-16 02:52:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:33,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 02:52:33,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:33,344 INFO L225 Difference]: With dead ends: 60584 [2022-10-16 02:52:33,344 INFO L226 Difference]: Without dead ends: 60584 [2022-10-16 02:52:33,344 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 02:52:33,345 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 194 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:33,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1171 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60584 states. [2022-10-16 02:52:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60584 to 60582. [2022-10-16 02:52:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60582 states, 60581 states have (on average 1.6307258051204172) internal successors, (98791), 60581 states have internal predecessors, (98791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60582 states to 60582 states and 98791 transitions. [2022-10-16 02:52:34,834 INFO L78 Accepts]: Start accepts. Automaton has 60582 states and 98791 transitions. Word has length 138 [2022-10-16 02:52:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:34,834 INFO L495 AbstractCegarLoop]: Abstraction has 60582 states and 98791 transitions. [2022-10-16 02:52:34,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 60582 states and 98791 transitions. [2022-10-16 02:52:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 02:52:34,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:34,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:34,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 02:52:34,837 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:34,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1444659835, now seen corresponding path program 1 times [2022-10-16 02:52:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:34,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697398649] [2022-10-16 02:52:34,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:34,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:34,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:34,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697398649] [2022-10-16 02:52:34,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697398649] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:34,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:34,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:52:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918912556] [2022-10-16 02:52:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:34,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:52:34,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:34,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:52:34,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:52:34,946 INFO L87 Difference]: Start difference. First operand 60582 states and 98791 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:35,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:35,570 INFO L93 Difference]: Finished difference Result 91486 states and 148628 transitions. [2022-10-16 02:52:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:52:35,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 02:52:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:35,771 INFO L225 Difference]: With dead ends: 91486 [2022-10-16 02:52:35,772 INFO L226 Difference]: Without dead ends: 91486 [2022-10-16 02:52:35,774 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 02:52:35,775 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 201 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:35,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1208 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:35,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91486 states. [2022-10-16 02:52:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91486 to 91484. [2022-10-16 02:52:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91484 states, 91483 states have (on average 1.6246406436168468) internal successors, (148627), 91483 states have internal predecessors, (148627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91484 states to 91484 states and 148627 transitions. [2022-10-16 02:52:37,903 INFO L78 Accepts]: Start accepts. Automaton has 91484 states and 148627 transitions. Word has length 138 [2022-10-16 02:52:37,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:37,904 INFO L495 AbstractCegarLoop]: Abstraction has 91484 states and 148627 transitions. [2022-10-16 02:52:37,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 91484 states and 148627 transitions. [2022-10-16 02:52:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 02:52:37,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:37,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:37,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 02:52:37,907 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:37,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:37,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1205053460, now seen corresponding path program 1 times [2022-10-16 02:52:37,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:37,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159524748] [2022-10-16 02:52:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:37,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:38,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:38,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159524748] [2022-10-16 02:52:38,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159524748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:38,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:38,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:38,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301037335] [2022-10-16 02:52:38,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:38,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:38,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:38,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:38,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:38,707 INFO L87 Difference]: Start difference. First operand 91484 states and 148627 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:39,168 INFO L93 Difference]: Finished difference Result 91486 states and 148003 transitions. [2022-10-16 02:52:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:39,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 02:52:39,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:39,316 INFO L225 Difference]: With dead ends: 91486 [2022-10-16 02:52:39,317 INFO L226 Difference]: Without dead ends: 91486 [2022-10-16 02:52:39,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:52:39,318 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 891 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:39,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2040 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:39,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91486 states. [2022-10-16 02:52:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91486 to 91484. [2022-10-16 02:52:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91484 states, 91483 states have (on average 1.6178087732146955) internal successors, (148002), 91483 states have internal predecessors, (148002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91484 states to 91484 states and 148002 transitions. [2022-10-16 02:52:41,555 INFO L78 Accepts]: Start accepts. Automaton has 91484 states and 148002 transitions. Word has length 140 [2022-10-16 02:52:41,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:41,556 INFO L495 AbstractCegarLoop]: Abstraction has 91484 states and 148002 transitions. [2022-10-16 02:52:41,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 91484 states and 148002 transitions. [2022-10-16 02:52:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 02:52:41,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:41,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:41,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 02:52:41,561 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:41,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:41,562 INFO L85 PathProgramCache]: Analyzing trace with hash 836779979, now seen corresponding path program 1 times [2022-10-16 02:52:41,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:41,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808293384] [2022-10-16 02:52:41,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:41,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:42,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:42,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808293384] [2022-10-16 02:52:42,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808293384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:42,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:42,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:42,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136264363] [2022-10-16 02:52:42,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:42,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:42,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:42,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:42,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:42,028 INFO L87 Difference]: Start difference. First operand 91484 states and 148002 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:43,236 INFO L93 Difference]: Finished difference Result 176252 states and 283560 transitions. [2022-10-16 02:52:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 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 02:52:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:43,511 INFO L225 Difference]: With dead ends: 176252 [2022-10-16 02:52:43,511 INFO L226 Difference]: Without dead ends: 176252 [2022-10-16 02:52:43,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:52:43,512 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 518 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:43,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2051 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176252 states. [2022-10-16 02:52:46,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176252 to 176250. [2022-10-16 02:52:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176250 states, 176249 states have (on average 1.6088545183235081) internal successors, (283559), 176249 states have internal predecessors, (283559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176250 states to 176250 states and 283559 transitions. [2022-10-16 02:52:46,966 INFO L78 Accepts]: Start accepts. Automaton has 176250 states and 283559 transitions. Word has length 143 [2022-10-16 02:52:46,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:46,966 INFO L495 AbstractCegarLoop]: Abstraction has 176250 states and 283559 transitions. [2022-10-16 02:52:46,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 176250 states and 283559 transitions. [2022-10-16 02:52:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 02:52:46,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:46,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:46,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 02:52:46,969 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:46,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash -260969643, now seen corresponding path program 1 times [2022-10-16 02:52:46,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:46,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976158184] [2022-10-16 02:52:46,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:48,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976158184] [2022-10-16 02:52:48,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976158184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:48,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:48,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 02:52:48,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060915865] [2022-10-16 02:52:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:48,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:52:48,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:48,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:52:48,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:52:48,241 INFO L87 Difference]: Start difference. First operand 176250 states and 283559 transitions. Second operand has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:49,724 INFO L93 Difference]: Finished difference Result 339569 states and 540021 transitions. [2022-10-16 02:52:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 02:52:49,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 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 02:52:49,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:50,840 INFO L225 Difference]: With dead ends: 339569 [2022-10-16 02:52:50,840 INFO L226 Difference]: Without dead ends: 339569 [2022-10-16 02:52:50,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 02:52:50,853 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 1612 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:50,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 3205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339569 states. [2022-10-16 02:52:54,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339569 to 182058. [2022-10-16 02:52:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182058 states, 182057 states have (on average 1.5892824774658485) internal successors, (289340), 182057 states have internal predecessors, (289340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182058 states to 182058 states and 289340 transitions. [2022-10-16 02:52:54,942 INFO L78 Accepts]: Start accepts. Automaton has 182058 states and 289340 transitions. Word has length 144 [2022-10-16 02:52:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:54,943 INFO L495 AbstractCegarLoop]: Abstraction has 182058 states and 289340 transitions. [2022-10-16 02:52:54,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 182058 states and 289340 transitions. [2022-10-16 02:52:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 02:52:54,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:54,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:54,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 02:52:54,954 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash 543151442, now seen corresponding path program 1 times [2022-10-16 02:52:54,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:54,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205103012] [2022-10-16 02:52:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 02:52:55,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:55,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205103012] [2022-10-16 02:52:55,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205103012] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:55,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:55,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:55,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535326394] [2022-10-16 02:52:55,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:55,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:55,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:55,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:55,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:55,997 INFO L87 Difference]: Start difference. First operand 182058 states and 289340 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:58,095 INFO L93 Difference]: Finished difference Result 417418 states and 664094 transitions. [2022-10-16 02:52:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:58,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 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 182 [2022-10-16 02:52:58,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:59,515 INFO L225 Difference]: With dead ends: 417418 [2022-10-16 02:52:59,516 INFO L226 Difference]: Without dead ends: 417418 [2022-10-16 02:52:59,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:52:59,517 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 1475 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:59,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 2654 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:59,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417418 states. [2022-10-16 02:53:04,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417418 to 292842. [2022-10-16 02:53:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292842 states, 292841 states have (on average 1.5872913970379832) internal successors, (464824), 292841 states have internal predecessors, (464824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292842 states to 292842 states and 464824 transitions. [2022-10-16 02:53:06,290 INFO L78 Accepts]: Start accepts. Automaton has 292842 states and 464824 transitions. Word has length 182 [2022-10-16 02:53:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:06,290 INFO L495 AbstractCegarLoop]: Abstraction has 292842 states and 464824 transitions. [2022-10-16 02:53:06,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 292842 states and 464824 transitions. [2022-10-16 02:53:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 02:53:06,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:06,296 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:06,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 02:53:06,296 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:06,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1448114276, now seen corresponding path program 1 times [2022-10-16 02:53:06,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:06,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627457081] [2022-10-16 02:53:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 02:53:06,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:06,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627457081] [2022-10-16 02:53:06,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627457081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:06,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:06,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:53:06,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216566179] [2022-10-16 02:53:06,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:06,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:53:06,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:06,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:53:06,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:53:06,577 INFO L87 Difference]: Start difference. First operand 292842 states and 464824 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:09,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:53:09,096 INFO L93 Difference]: Finished difference Result 449458 states and 715174 transitions. [2022-10-16 02:53:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:53:09,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 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 182 [2022-10-16 02:53:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:53:10,569 INFO L225 Difference]: With dead ends: 449458 [2022-10-16 02:53:10,570 INFO L226 Difference]: Without dead ends: 449458 [2022-10-16 02:53:10,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:53:10,571 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 1334 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 02:53:10,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 3097 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 02:53:10,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449458 states. [2022-10-16 02:53:16,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449458 to 396298. [2022-10-16 02:53:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396298 states, 396297 states have (on average 1.5879454045829264) internal successors, (629298), 396297 states have internal predecessors, (629298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396298 states to 396298 states and 629298 transitions. [2022-10-16 02:53:21,069 INFO L78 Accepts]: Start accepts. Automaton has 396298 states and 629298 transitions. Word has length 182 [2022-10-16 02:53:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:21,070 INFO L495 AbstractCegarLoop]: Abstraction has 396298 states and 629298 transitions. [2022-10-16 02:53:21,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 396298 states and 629298 transitions. [2022-10-16 02:53:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 02:53:21,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:21,095 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:21,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 02:53:21,095 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:21,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:21,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1909100050, now seen corresponding path program 1 times [2022-10-16 02:53:21,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:21,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836282887] [2022-10-16 02:53:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 02:53:22,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:22,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836282887] [2022-10-16 02:53:22,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836282887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:22,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:22,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:53:22,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304182004] [2022-10-16 02:53:22,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:22,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:53:22,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:22,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:53:22,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:53:22,483 INFO L87 Difference]: Start difference. First operand 396298 states and 629298 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:53:25,667 INFO L93 Difference]: Finished difference Result 500754 states and 797106 transitions. [2022-10-16 02:53:25,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:53:25,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 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 182 [2022-10-16 02:53:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:53:27,144 INFO L225 Difference]: With dead ends: 500754 [2022-10-16 02:53:27,144 INFO L226 Difference]: Without dead ends: 500754 [2022-10-16 02:53:27,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:53:27,147 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1401 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1401 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:53:27,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1401 Valid, 2891 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:53:27,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500754 states. [2022-10-16 02:53:34,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500754 to 459354. [2022-10-16 02:53:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459354 states, 459353 states have (on average 1.589239647939602) internal successors, (730022), 459353 states have internal predecessors, (730022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459354 states to 459354 states and 730022 transitions. [2022-10-16 02:53:38,618 INFO L78 Accepts]: Start accepts. Automaton has 459354 states and 730022 transitions. Word has length 182 [2022-10-16 02:53:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:38,618 INFO L495 AbstractCegarLoop]: Abstraction has 459354 states and 730022 transitions. [2022-10-16 02:53:38,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 459354 states and 730022 transitions. [2022-10-16 02:53:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 02:53:38,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:38,641 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:38,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 02:53:38,643 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:38,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:38,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1910016292, now seen corresponding path program 1 times [2022-10-16 02:53:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:38,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086823134] [2022-10-16 02:53:38,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:38,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:53:38,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:38,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086823134] [2022-10-16 02:53:38,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086823134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:38,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:38,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:53:38,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526577587] [2022-10-16 02:53:38,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:38,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:53:38,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:38,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:53:38,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:53:38,949 INFO L87 Difference]: Start difference. First operand 459354 states and 730022 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:53:41,753 INFO L93 Difference]: Finished difference Result 564642 states and 899334 transitions. [2022-10-16 02:53:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:53:41,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 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 182 [2022-10-16 02:53:41,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:53:43,357 INFO L225 Difference]: With dead ends: 564642 [2022-10-16 02:53:43,358 INFO L226 Difference]: Without dead ends: 564642 [2022-10-16 02:53:43,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:53:43,359 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 1395 mSDsluCounter, 2352 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:53:43,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1395 Valid, 3104 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:53:43,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564642 states. [2022-10-16 02:53:53,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564642 to 523242. [2022-10-16 02:53:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523242 states, 523241 states have (on average 1.5905672529484502) internal successors, (832250), 523241 states have internal predecessors, (832250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523242 states to 523242 states and 832250 transitions. [2022-10-16 02:53:59,084 INFO L78 Accepts]: Start accepts. Automaton has 523242 states and 832250 transitions. Word has length 182 [2022-10-16 02:53:59,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:59,084 INFO L495 AbstractCegarLoop]: Abstraction has 523242 states and 832250 transitions. [2022-10-16 02:53:59,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 523242 states and 832250 transitions. [2022-10-16 02:53:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 02:53:59,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:59,108 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:59,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 02:53:59,110 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:59,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:59,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1152937191, now seen corresponding path program 1 times [2022-10-16 02:53:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:59,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8858498] [2022-10-16 02:53:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:53:59,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:59,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8858498] [2022-10-16 02:53:59,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8858498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:59,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:59,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:53:59,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365638488] [2022-10-16 02:53:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:59,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:53:59,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:59,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:53:59,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:53:59,270 INFO L87 Difference]: Start difference. First operand 523242 states and 832250 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:54:03,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:54:03,516 INFO L93 Difference]: Finished difference Result 831216 states and 1322060 transitions. [2022-10-16 02:54:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:54:03,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 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 183 [2022-10-16 02:54:03,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:54:05,979 INFO L225 Difference]: With dead ends: 831216 [2022-10-16 02:54:05,980 INFO L226 Difference]: Without dead ends: 831216 [2022-10-16 02:54:05,980 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 02:54:05,981 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 169 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:54:05,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1026 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:54:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831216 states. [2022-10-16 02:54:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831216 to 829945. [2022-10-16 02:54:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829945 states, 829944 states have (on average 1.591420625969945) internal successors, (1320790), 829944 states have internal predecessors, (1320790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:54:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829945 states to 829945 states and 1320790 transitions. [2022-10-16 02:54:33,147 INFO L78 Accepts]: Start accepts. Automaton has 829945 states and 1320790 transitions. Word has length 183 [2022-10-16 02:54:33,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:54:33,148 INFO L495 AbstractCegarLoop]: Abstraction has 829945 states and 1320790 transitions. [2022-10-16 02:54:33,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:54:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 829945 states and 1320790 transitions. [2022-10-16 02:54:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 02:54:33,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:54:33,156 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:54:33,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 02:54:33,157 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:54:33,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:54:33,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1175569445, now seen corresponding path program 1 times [2022-10-16 02:54:33,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:54:33,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449091407] [2022-10-16 02:54:33,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:54:33,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:54:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:54:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:54:33,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:54:33,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449091407] [2022-10-16 02:54:33,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449091407] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:54:33,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:54:33,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:54:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557937566] [2022-10-16 02:54:33,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:54:33,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:54:33,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:54:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:54:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:54:33,449 INFO L87 Difference]: Start difference. First operand 829945 states and 1320790 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:54:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:54:40,787 INFO L93 Difference]: Finished difference Result 1104212 states and 1756376 transitions. [2022-10-16 02:54:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:54:40,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 0 states have call successors, (0), 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 183 [2022-10-16 02:54:40,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:54:44,997 INFO L225 Difference]: With dead ends: 1104212 [2022-10-16 02:54:44,997 INFO L226 Difference]: Without dead ends: 1104212 [2022-10-16 02:54:44,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:54:44,998 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 372 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:54:44,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1490 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:54:45,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104212 states.