/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:43:15,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:43:15,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:43:15,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:43:15,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:43:15,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:43:15,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:43:15,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:43:15,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:43:15,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:43:15,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:43:15,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:43:15,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:43:15,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:43:15,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:43:15,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:43:15,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:43:15,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:43:15,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:43:15,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:43:15,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:43:15,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:43:15,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:43:15,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:43:15,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:43:15,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:43:15,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:43:15,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:43:15,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:43:15,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:43:15,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:43:15,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:43:15,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:43:15,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:43:15,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:43:15,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:43:15,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:43:15,732 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:43:15,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:43:15,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:43:15,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:43:15,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:43:15,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:43:15,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:43:15,735 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:43:15,735 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:43:15,735 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:43:15,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:43:15,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:43:15,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:43:15,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:43:15,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:43:15,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:43:15,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:43:15,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:43:15,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:43:15,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:43:15,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:43:15,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:43:15,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:43:16,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:43:16,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:43:16,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:43:16,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:43:16,240 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:43:16,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+cfa-reducer.c [2022-10-15 17:43:16,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee85e4ba/d618647b01154f3995d7b42b3a4083de/FLAGb5870de9d [2022-10-15 17:43:17,027 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:43:17,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+cfa-reducer.c [2022-10-15 17:43:17,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee85e4ba/d618647b01154f3995d7b42b3a4083de/FLAGb5870de9d [2022-10-15 17:43:17,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee85e4ba/d618647b01154f3995d7b42b3a4083de [2022-10-15 17:43:17,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:43:17,319 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:43:17,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:43:17,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:43:17,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:43:17,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:43:17" (1/1) ... [2022-10-15 17:43:17,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8405ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:17, skipping insertion in model container [2022-10-15 17:43:17,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:43:17" (1/1) ... [2022-10-15 17:43:17,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:43:17,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:43:17,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+cfa-reducer.c[8604,8617] [2022-10-15 17:43:17,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:43:17,958 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:43:18,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+cfa-reducer.c[8604,8617] [2022-10-15 17:43:18,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:43:18,070 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:43:18,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18 WrapperNode [2022-10-15 17:43:18,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:43:18,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:43:18,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:43:18,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:43:18,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,151 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 661 [2022-10-15 17:43:18,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:43:18,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:43:18,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:43:18,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:43:18,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:43:18,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:43:18,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:43:18,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:43:18,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (1/1) ... [2022-10-15 17:43:18,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:43:18,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:43:18,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 17:43:18,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 17:43:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:43:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:43:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:43:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:43:18,656 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:43:18,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:43:19,396 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:43:19,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:43:19,409 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:43:19,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:43:19 BoogieIcfgContainer [2022-10-15 17:43:19,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:43:19,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:43:19,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:43:19,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:43:19,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:43:17" (1/3) ... [2022-10-15 17:43:19,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ba131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:43:19, skipping insertion in model container [2022-10-15 17:43:19,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:43:18" (2/3) ... [2022-10-15 17:43:19,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ba131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:43:19, skipping insertion in model container [2022-10-15 17:43:19,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:43:19" (3/3) ... [2022-10-15 17:43:19,428 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+cfa-reducer.c [2022-10-15 17:43:19,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:43:19,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:43:19,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:43:19,529 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;@5e22ffe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:43:19,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:43:19,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 155 states have (on average 1.767741935483871) internal successors, (274), 157 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:19,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:43:19,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:19,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:43:19,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:19,553 INFO L85 PathProgramCache]: Analyzing trace with hash 946469, now seen corresponding path program 1 times [2022-10-15 17:43:19,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:19,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932364762] [2022-10-15 17:43:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:19,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:20,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:20,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932364762] [2022-10-15 17:43:20,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932364762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:20,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:20,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:43:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825700249] [2022-10-15 17:43:20,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:20,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:20,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:20,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:20,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:20,131 INFO L87 Difference]: Start difference. First operand has 158 states, 155 states have (on average 1.767741935483871) internal successors, (274), 157 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:20,190 INFO L93 Difference]: Finished difference Result 157 states and 272 transitions. [2022-10-15 17:43:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:20,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 17:43:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:20,208 INFO L225 Difference]: With dead ends: 157 [2022-10-15 17:43:20,209 INFO L226 Difference]: Without dead ends: 154 [2022-10-15 17:43:20,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:20,217 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 269 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:20,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 271 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-10-15 17:43:20,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-10-15 17:43:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 153 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 207 transitions. [2022-10-15 17:43:20,284 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 207 transitions. Word has length 4 [2022-10-15 17:43:20,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:20,285 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 207 transitions. [2022-10-15 17:43:20,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:20,286 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-10-15 17:43:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 17:43:20,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:20,296 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] [2022-10-15 17:43:20,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:43:20,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:20,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1231322286, now seen corresponding path program 1 times [2022-10-15 17:43:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:20,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806170983] [2022-10-15 17:43:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:20,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:20,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806170983] [2022-10-15 17:43:20,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806170983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:20,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:20,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:20,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751415974] [2022-10-15 17:43:20,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:20,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:20,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:20,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:20,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:20,781 INFO L87 Difference]: Start difference. First operand 154 states and 207 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:20,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:20,831 INFO L93 Difference]: Finished difference Result 236 states and 336 transitions. [2022-10-15 17:43:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:20,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 17:43:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:20,835 INFO L225 Difference]: With dead ends: 236 [2022-10-15 17:43:20,836 INFO L226 Difference]: Without dead ends: 236 [2022-10-15 17:43:20,836 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 [2022-10-15 17:43:20,838 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 133 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 471 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 [2022-10-15 17:43:20,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 471 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:20,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-10-15 17:43:20,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2022-10-15 17:43:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.4377682403433476) internal successors, (335), 233 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 335 transitions. [2022-10-15 17:43:20,868 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 335 transitions. Word has length 101 [2022-10-15 17:43:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:20,869 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 335 transitions. [2022-10-15 17:43:20,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2022-10-15 17:43:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 17:43:20,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:20,880 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] [2022-10-15 17:43:20,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:43:20,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:20,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash -854475245, now seen corresponding path program 1 times [2022-10-15 17:43:20,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:20,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010990538] [2022-10-15 17:43:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:20,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:21,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:21,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010990538] [2022-10-15 17:43:21,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010990538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:21,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:21,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:21,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144413369] [2022-10-15 17:43:21,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:21,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:21,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:21,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:21,182 INFO L87 Difference]: Start difference. First operand 234 states and 335 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:21,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:21,239 INFO L93 Difference]: Finished difference Result 388 states and 578 transitions. [2022-10-15 17:43:21,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:21,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 17:43:21,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:21,250 INFO L225 Difference]: With dead ends: 388 [2022-10-15 17:43:21,250 INFO L226 Difference]: Without dead ends: 388 [2022-10-15 17:43:21,252 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 [2022-10-15 17:43:21,258 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 128 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 467 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 [2022-10-15 17:43:21,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 467 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:21,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-10-15 17:43:21,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2022-10-15 17:43:21,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.4987012987012986) internal successors, (577), 385 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 577 transitions. [2022-10-15 17:43:21,332 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 577 transitions. Word has length 102 [2022-10-15 17:43:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:21,333 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 577 transitions. [2022-10-15 17:43:21,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 577 transitions. [2022-10-15 17:43:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 17:43:21,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:21,340 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] [2022-10-15 17:43:21,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:43:21,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:21,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1444057759, now seen corresponding path program 1 times [2022-10-15 17:43:21,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:21,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590028654] [2022-10-15 17:43:21,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:21,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:21,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590028654] [2022-10-15 17:43:21,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590028654] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:21,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:21,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:21,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847333497] [2022-10-15 17:43:21,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:21,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:21,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:21,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:21,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:21,711 INFO L87 Difference]: Start difference. First operand 386 states and 577 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:21,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:21,751 INFO L93 Difference]: Finished difference Result 676 states and 1034 transitions. [2022-10-15 17:43:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:21,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-15 17:43:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:21,760 INFO L225 Difference]: With dead ends: 676 [2022-10-15 17:43:21,760 INFO L226 Difference]: Without dead ends: 676 [2022-10-15 17:43:21,761 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 [2022-10-15 17:43:21,773 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 123 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 463 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 [2022-10-15 17:43:21,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 463 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:21,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2022-10-15 17:43:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 674. [2022-10-15 17:43:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 673 states have (on average 1.534918276374443) internal successors, (1033), 673 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1033 transitions. [2022-10-15 17:43:21,811 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1033 transitions. Word has length 103 [2022-10-15 17:43:21,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:21,812 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 1033 transitions. [2022-10-15 17:43:21,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1033 transitions. [2022-10-15 17:43:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 17:43:21,815 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:21,815 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] [2022-10-15 17:43:21,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:43:21,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:21,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:21,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1302443314, now seen corresponding path program 1 times [2022-10-15 17:43:21,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:21,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926375497] [2022-10-15 17:43:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:21,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:22,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:22,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926375497] [2022-10-15 17:43:22,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926375497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:22,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:22,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:22,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481568640] [2022-10-15 17:43:22,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:22,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:22,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:22,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:22,024 INFO L87 Difference]: Start difference. First operand 674 states and 1033 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:22,054 INFO L93 Difference]: Finished difference Result 1220 states and 1890 transitions. [2022-10-15 17:43:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:22,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-15 17:43:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:22,065 INFO L225 Difference]: With dead ends: 1220 [2022-10-15 17:43:22,065 INFO L226 Difference]: Without dead ends: 1220 [2022-10-15 17:43:22,066 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 [2022-10-15 17:43:22,068 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 118 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 459 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 [2022-10-15 17:43:22,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 459 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2022-10-15 17:43:22,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1218. [2022-10-15 17:43:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1217 states have (on average 1.552177485620378) internal successors, (1889), 1217 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1889 transitions. [2022-10-15 17:43:22,115 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1889 transitions. Word has length 104 [2022-10-15 17:43:22,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:22,116 INFO L495 AbstractCegarLoop]: Abstraction has 1218 states and 1889 transitions. [2022-10-15 17:43:22,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1889 transitions. [2022-10-15 17:43:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 17:43:22,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:22,119 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] [2022-10-15 17:43:22,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:43:22,119 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:22,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:22,120 INFO L85 PathProgramCache]: Analyzing trace with hash 342678280, now seen corresponding path program 1 times [2022-10-15 17:43:22,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:22,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352923710] [2022-10-15 17:43:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:22,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:22,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:22,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352923710] [2022-10-15 17:43:22,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352923710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:22,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:22,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:22,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981317107] [2022-10-15 17:43:22,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:22,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:22,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:22,281 INFO L87 Difference]: Start difference. First operand 1218 states and 1889 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:22,315 INFO L93 Difference]: Finished difference Result 2244 states and 3490 transitions. [2022-10-15 17:43:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:22,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-15 17:43:22,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:22,331 INFO L225 Difference]: With dead ends: 2244 [2022-10-15 17:43:22,332 INFO L226 Difference]: Without dead ends: 2244 [2022-10-15 17:43:22,332 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 [2022-10-15 17:43:22,333 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 113 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 455 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 [2022-10-15 17:43:22,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 455 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:22,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2022-10-15 17:43:22,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2242. [2022-10-15 17:43:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2241 states have (on average 1.5568942436412316) internal successors, (3489), 2241 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3489 transitions. [2022-10-15 17:43:22,435 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 3489 transitions. Word has length 105 [2022-10-15 17:43:22,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:22,436 INFO L495 AbstractCegarLoop]: Abstraction has 2242 states and 3489 transitions. [2022-10-15 17:43:22,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 3489 transitions. [2022-10-15 17:43:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 17:43:22,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:22,438 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] [2022-10-15 17:43:22,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:43:22,438 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:22,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:22,439 INFO L85 PathProgramCache]: Analyzing trace with hash 504937094, now seen corresponding path program 1 times [2022-10-15 17:43:22,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:22,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967922862] [2022-10-15 17:43:22,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:22,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:22,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:22,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967922862] [2022-10-15 17:43:22,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967922862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:22,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:22,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:22,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613899323] [2022-10-15 17:43:22,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:22,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:22,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:22,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:22,613 INFO L87 Difference]: Start difference. First operand 2242 states and 3489 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:22,663 INFO L93 Difference]: Finished difference Result 4164 states and 6466 transitions. [2022-10-15 17:43:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:22,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-15 17:43:22,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:22,690 INFO L225 Difference]: With dead ends: 4164 [2022-10-15 17:43:22,691 INFO L226 Difference]: Without dead ends: 4164 [2022-10-15 17:43:22,691 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 [2022-10-15 17:43:22,692 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 108 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 451 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 [2022-10-15 17:43:22,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 451 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:22,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2022-10-15 17:43:22,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 4162. [2022-10-15 17:43:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4162 states, 4161 states have (on average 1.5537130497476568) internal successors, (6465), 4161 states have internal predecessors, (6465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 4162 states and 6465 transitions. [2022-10-15 17:43:22,829 INFO L78 Accepts]: Start accepts. Automaton has 4162 states and 6465 transitions. Word has length 106 [2022-10-15 17:43:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:22,830 INFO L495 AbstractCegarLoop]: Abstraction has 4162 states and 6465 transitions. [2022-10-15 17:43:22,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4162 states and 6465 transitions. [2022-10-15 17:43:22,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 17:43:22,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:22,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:22,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:43:22,833 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:22,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:22,833 INFO L85 PathProgramCache]: Analyzing trace with hash -37721726, now seen corresponding path program 1 times [2022-10-15 17:43:22,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:22,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556824223] [2022-10-15 17:43:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:22,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:23,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:23,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556824223] [2022-10-15 17:43:23,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556824223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:23,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:23,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:23,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049413902] [2022-10-15 17:43:23,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:23,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:23,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:23,018 INFO L87 Difference]: Start difference. First operand 4162 states and 6465 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:23,090 INFO L93 Difference]: Finished difference Result 7748 states and 11970 transitions. [2022-10-15 17:43:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:23,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-15 17:43:23,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:23,144 INFO L225 Difference]: With dead ends: 7748 [2022-10-15 17:43:23,144 INFO L226 Difference]: Without dead ends: 7748 [2022-10-15 17:43:23,145 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 [2022-10-15 17:43:23,146 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 103 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 447 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 [2022-10-15 17:43:23,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 447 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:23,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7748 states. [2022-10-15 17:43:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7748 to 7746. [2022-10-15 17:43:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 7745 states have (on average 1.5453841187863138) internal successors, (11969), 7745 states have internal predecessors, (11969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:23,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 11969 transitions. [2022-10-15 17:43:23,432 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 11969 transitions. Word has length 107 [2022-10-15 17:43:23,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:23,433 INFO L495 AbstractCegarLoop]: Abstraction has 7746 states and 11969 transitions. [2022-10-15 17:43:23,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 11969 transitions. [2022-10-15 17:43:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:43:23,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:23,435 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] [2022-10-15 17:43:23,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:43:23,436 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:23,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:23,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1757696618, now seen corresponding path program 1 times [2022-10-15 17:43:23,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:23,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078763292] [2022-10-15 17:43:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:23,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:23,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:23,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078763292] [2022-10-15 17:43:23,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078763292] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:23,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:23,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899108445] [2022-10-15 17:43:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:23,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:23,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:23,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:23,639 INFO L87 Difference]: Start difference. First operand 7746 states and 11969 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:23,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:23,759 INFO L93 Difference]: Finished difference Result 14404 states and 22082 transitions. [2022-10-15 17:43:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:23,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 17:43:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:23,873 INFO L225 Difference]: With dead ends: 14404 [2022-10-15 17:43:23,874 INFO L226 Difference]: Without dead ends: 14404 [2022-10-15 17:43:23,874 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 [2022-10-15 17:43:23,878 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 98 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 443 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 [2022-10-15 17:43:23,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 443 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:23,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14404 states. [2022-10-15 17:43:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14404 to 14402. [2022-10-15 17:43:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14402 states, 14401 states have (on average 1.5332962988681342) internal successors, (22081), 14401 states have internal predecessors, (22081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14402 states to 14402 states and 22081 transitions. [2022-10-15 17:43:24,557 INFO L78 Accepts]: Start accepts. Automaton has 14402 states and 22081 transitions. Word has length 108 [2022-10-15 17:43:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:24,557 INFO L495 AbstractCegarLoop]: Abstraction has 14402 states and 22081 transitions. [2022-10-15 17:43:24,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14402 states and 22081 transitions. [2022-10-15 17:43:24,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 17:43:24,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:24,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:24,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:43:24,561 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:24,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:24,562 INFO L85 PathProgramCache]: Analyzing trace with hash -42081324, now seen corresponding path program 1 times [2022-10-15 17:43:24,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:24,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123890590] [2022-10-15 17:43:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:25,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:25,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123890590] [2022-10-15 17:43:25,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123890590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:25,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:25,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 17:43:25,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181795146] [2022-10-15 17:43:25,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:25,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:43:25,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:25,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:43:25,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:43:25,228 INFO L87 Difference]: Start difference. First operand 14402 states and 22081 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:27,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:27,851 INFO L93 Difference]: Finished difference Result 229472 states and 348240 transitions. [2022-10-15 17:43:27,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 17:43:27,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-15 17:43:27,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:29,156 INFO L225 Difference]: With dead ends: 229472 [2022-10-15 17:43:29,156 INFO L226 Difference]: Without dead ends: 229472 [2022-10-15 17:43:29,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:43:29,160 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 2802 mSDsluCounter, 5143 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 5344 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:29,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 5344 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:43:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229472 states. [2022-10-15 17:43:33,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229472 to 28738. [2022-10-15 17:43:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28738 states, 28737 states have (on average 1.516685805755646) internal successors, (43585), 28737 states have internal predecessors, (43585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28738 states to 28738 states and 43585 transitions. [2022-10-15 17:43:33,264 INFO L78 Accepts]: Start accepts. Automaton has 28738 states and 43585 transitions. Word has length 109 [2022-10-15 17:43:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:33,265 INFO L495 AbstractCegarLoop]: Abstraction has 28738 states and 43585 transitions. [2022-10-15 17:43:33,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28738 states and 43585 transitions. [2022-10-15 17:43:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 17:43:33,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:33,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:33,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:43:33,268 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:33,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:33,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1608706447, now seen corresponding path program 1 times [2022-10-15 17:43:33,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:33,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308362226] [2022-10-15 17:43:33,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:33,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:34,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:34,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308362226] [2022-10-15 17:43:34,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308362226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:34,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:34,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 17:43:34,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886259579] [2022-10-15 17:43:34,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:34,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:43:34,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:34,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:43:34,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:43:34,783 INFO L87 Difference]: Start difference. First operand 28738 states and 43585 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:35,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:35,460 INFO L93 Difference]: Finished difference Result 28740 states and 43330 transitions. [2022-10-15 17:43:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 17:43:35,461 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 17:43:35,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:35,546 INFO L225 Difference]: With dead ends: 28740 [2022-10-15 17:43:35,547 INFO L226 Difference]: Without dead ends: 28740 [2022-10-15 17:43:35,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-10-15 17:43:35,551 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 876 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:35,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1192 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:35,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28740 states. [2022-10-15 17:43:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28740 to 28738. [2022-10-15 17:43:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28738 states, 28737 states have (on average 1.5077774297943418) internal successors, (43329), 28737 states have internal predecessors, (43329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28738 states to 28738 states and 43329 transitions. [2022-10-15 17:43:36,577 INFO L78 Accepts]: Start accepts. Automaton has 28738 states and 43329 transitions. Word has length 111 [2022-10-15 17:43:36,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:36,578 INFO L495 AbstractCegarLoop]: Abstraction has 28738 states and 43329 transitions. [2022-10-15 17:43:36,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 28738 states and 43329 transitions. [2022-10-15 17:43:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 17:43:36,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:36,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:36,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:43:36,581 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:36,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:36,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1587703792, now seen corresponding path program 1 times [2022-10-15 17:43:36,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:36,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989440318] [2022-10-15 17:43:36,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:36,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:36,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:36,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989440318] [2022-10-15 17:43:36,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989440318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:36,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:36,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:43:36,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032630641] [2022-10-15 17:43:36,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:36,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:36,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:36,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:36,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:36,796 INFO L87 Difference]: Start difference. First operand 28738 states and 43329 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:37,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:37,272 INFO L93 Difference]: Finished difference Result 42694 states and 63940 transitions. [2022-10-15 17:43:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:37,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 17:43:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:37,428 INFO L225 Difference]: With dead ends: 42694 [2022-10-15 17:43:37,428 INFO L226 Difference]: Without dead ends: 42694 [2022-10-15 17:43:37,429 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 [2022-10-15 17:43:37,430 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 89 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:37,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 400 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:43:37,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42694 states. [2022-10-15 17:43:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42694 to 42692. [2022-10-15 17:43:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42692 states, 42691 states have (on average 1.497716146260336) internal successors, (63939), 42691 states have internal predecessors, (63939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42692 states to 42692 states and 63939 transitions. [2022-10-15 17:43:38,912 INFO L78 Accepts]: Start accepts. Automaton has 42692 states and 63939 transitions. Word has length 111 [2022-10-15 17:43:38,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:38,913 INFO L495 AbstractCegarLoop]: Abstraction has 42692 states and 63939 transitions. [2022-10-15 17:43:38,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 42692 states and 63939 transitions. [2022-10-15 17:43:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:38,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:38,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:38,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:43:38,917 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:38,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:38,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1671616921, now seen corresponding path program 1 times [2022-10-15 17:43:38,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:38,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727023111] [2022-10-15 17:43:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:38,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:39,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:39,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727023111] [2022-10-15 17:43:39,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727023111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:39,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:39,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:39,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20850251] [2022-10-15 17:43:39,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:39,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:39,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:39,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:39,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:39,178 INFO L87 Difference]: Start difference. First operand 42692 states and 63939 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:40,161 INFO L93 Difference]: Finished difference Result 71366 states and 106692 transitions. [2022-10-15 17:43:40,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:40,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:43:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:40,349 INFO L225 Difference]: With dead ends: 71366 [2022-10-15 17:43:40,349 INFO L226 Difference]: Without dead ends: 71366 [2022-10-15 17:43:40,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:40,351 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 824 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:40,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 207 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:43:40,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71366 states. [2022-10-15 17:43:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71366 to 71364. [2022-10-15 17:43:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71364 states, 71363 states have (on average 1.4950464526435268) internal successors, (106691), 71363 states have internal predecessors, (106691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71364 states to 71364 states and 106691 transitions. [2022-10-15 17:43:42,257 INFO L78 Accepts]: Start accepts. Automaton has 71364 states and 106691 transitions. Word has length 112 [2022-10-15 17:43:42,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:42,257 INFO L495 AbstractCegarLoop]: Abstraction has 71364 states and 106691 transitions. [2022-10-15 17:43:42,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 71364 states and 106691 transitions. [2022-10-15 17:43:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:42,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:42,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:42,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:43:42,260 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash 74809740, now seen corresponding path program 1 times [2022-10-15 17:43:42,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:42,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965316027] [2022-10-15 17:43:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:43,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:43,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965316027] [2022-10-15 17:43:43,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965316027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:43,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:43,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:43,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241195181] [2022-10-15 17:43:43,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:43,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:43,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:43,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:43,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:43,021 INFO L87 Difference]: Start difference. First operand 71364 states and 106691 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:43,434 INFO L93 Difference]: Finished difference Result 71364 states and 106051 transitions. [2022-10-15 17:43:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:43,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:43:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:43,558 INFO L225 Difference]: With dead ends: 71364 [2022-10-15 17:43:43,559 INFO L226 Difference]: Without dead ends: 71364 [2022-10-15 17:43:43,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:43,560 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 450 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:43,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 189 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71364 states. [2022-10-15 17:43:45,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71364 to 71364. [2022-10-15 17:43:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71364 states, 71363 states have (on average 1.4860782198057818) internal successors, (106051), 71363 states have internal predecessors, (106051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71364 states to 71364 states and 106051 transitions. [2022-10-15 17:43:45,594 INFO L78 Accepts]: Start accepts. Automaton has 71364 states and 106051 transitions. Word has length 112 [2022-10-15 17:43:45,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:45,597 INFO L495 AbstractCegarLoop]: Abstraction has 71364 states and 106051 transitions. [2022-10-15 17:43:45,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 71364 states and 106051 transitions. [2022-10-15 17:43:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:45,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:45,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:45,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:43:45,601 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:45,602 INFO L85 PathProgramCache]: Analyzing trace with hash -454480761, now seen corresponding path program 1 times [2022-10-15 17:43:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:45,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002769078] [2022-10-15 17:43:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:45,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:45,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002769078] [2022-10-15 17:43:45,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002769078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:45,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:45,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164247784] [2022-10-15 17:43:45,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:45,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:45,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:45,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:45,893 INFO L87 Difference]: Start difference. First operand 71364 states and 106051 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:46,750 INFO L93 Difference]: Finished difference Result 71364 states and 105411 transitions. [2022-10-15 17:43:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:46,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:43:46,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:46,907 INFO L225 Difference]: With dead ends: 71364 [2022-10-15 17:43:46,908 INFO L226 Difference]: Without dead ends: 71364 [2022-10-15 17:43:46,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:46,911 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 499 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:46,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 157 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71364 states. [2022-10-15 17:43:48,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71364 to 71364. [2022-10-15 17:43:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71364 states, 71363 states have (on average 1.4771099869680366) internal successors, (105411), 71363 states have internal predecessors, (105411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71364 states to 71364 states and 105411 transitions. [2022-10-15 17:43:49,306 INFO L78 Accepts]: Start accepts. Automaton has 71364 states and 105411 transitions. Word has length 112 [2022-10-15 17:43:49,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:49,307 INFO L495 AbstractCegarLoop]: Abstraction has 71364 states and 105411 transitions. [2022-10-15 17:43:49,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 71364 states and 105411 transitions. [2022-10-15 17:43:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:49,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:49,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:49,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:43:49,309 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:49,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:49,310 INFO L85 PathProgramCache]: Analyzing trace with hash -86209534, now seen corresponding path program 1 times [2022-10-15 17:43:49,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:49,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294603790] [2022-10-15 17:43:49,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:49,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:49,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:49,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294603790] [2022-10-15 17:43:49,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294603790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:49,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:49,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:49,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096621158] [2022-10-15 17:43:49,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:49,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:49,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:49,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:49,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:49,522 INFO L87 Difference]: Start difference. First operand 71364 states and 105411 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:50,044 INFO L93 Difference]: Finished difference Result 71364 states and 104771 transitions. [2022-10-15 17:43:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:50,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:43:50,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:50,246 INFO L225 Difference]: With dead ends: 71364 [2022-10-15 17:43:50,246 INFO L226 Difference]: Without dead ends: 71364 [2022-10-15 17:43:50,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:50,248 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 522 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:50,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 141 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71364 states. [2022-10-15 17:43:52,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71364 to 71364. [2022-10-15 17:43:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71364 states, 71363 states have (on average 1.4681417541302917) internal successors, (104771), 71363 states have internal predecessors, (104771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71364 states to 71364 states and 104771 transitions. [2022-10-15 17:43:52,878 INFO L78 Accepts]: Start accepts. Automaton has 71364 states and 104771 transitions. Word has length 112 [2022-10-15 17:43:52,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:52,879 INFO L495 AbstractCegarLoop]: Abstraction has 71364 states and 104771 transitions. [2022-10-15 17:43:52,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 71364 states and 104771 transitions. [2022-10-15 17:43:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:52,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:52,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:52,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:43:52,881 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:52,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash -448328259, now seen corresponding path program 1 times [2022-10-15 17:43:52,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:52,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489210219] [2022-10-15 17:43:52,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:52,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:53,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:53,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489210219] [2022-10-15 17:43:53,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489210219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:53,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:53,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:53,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110792622] [2022-10-15 17:43:53,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:53,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:53,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:53,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:53,117 INFO L87 Difference]: Start difference. First operand 71364 states and 104771 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:53,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:53,638 INFO L93 Difference]: Finished difference Result 71364 states and 104131 transitions. [2022-10-15 17:43:53,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:53,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:43:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:54,564 INFO L225 Difference]: With dead ends: 71364 [2022-10-15 17:43:54,565 INFO L226 Difference]: Without dead ends: 71364 [2022-10-15 17:43:54,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:54,570 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 506 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:54,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 149 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71364 states. [2022-10-15 17:43:55,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71364 to 71364. [2022-10-15 17:43:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71364 states, 71363 states have (on average 1.4591735212925465) internal successors, (104131), 71363 states have internal predecessors, (104131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71364 states to 71364 states and 104131 transitions. [2022-10-15 17:43:56,262 INFO L78 Accepts]: Start accepts. Automaton has 71364 states and 104131 transitions. Word has length 112 [2022-10-15 17:43:56,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:56,262 INFO L495 AbstractCegarLoop]: Abstraction has 71364 states and 104131 transitions. [2022-10-15 17:43:56,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 71364 states and 104131 transitions. [2022-10-15 17:43:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:56,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:56,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:56,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:43:56,265 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:56,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:56,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2105221922, now seen corresponding path program 1 times [2022-10-15 17:43:56,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:56,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21594] [2022-10-15 17:43:56,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:56,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:56,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21594] [2022-10-15 17:43:56,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:56,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:56,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:56,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137169004] [2022-10-15 17:43:56,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:56,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:56,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:56,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:56,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:56,469 INFO L87 Difference]: Start difference. First operand 71364 states and 104131 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:57,580 INFO L93 Difference]: Finished difference Result 71364 states and 103491 transitions. [2022-10-15 17:43:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:57,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:43:57,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:57,771 INFO L225 Difference]: With dead ends: 71364 [2022-10-15 17:43:57,772 INFO L226 Difference]: Without dead ends: 71364 [2022-10-15 17:43:57,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:57,773 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 464 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:57,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 173 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:57,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71364 states. [2022-10-15 17:43:59,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71364 to 71364. [2022-10-15 17:43:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71364 states, 71363 states have (on average 1.4502052884548016) internal successors, (103491), 71363 states have internal predecessors, (103491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71364 states to 71364 states and 103491 transitions. [2022-10-15 17:43:59,640 INFO L78 Accepts]: Start accepts. Automaton has 71364 states and 103491 transitions. Word has length 112 [2022-10-15 17:43:59,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:59,640 INFO L495 AbstractCegarLoop]: Abstraction has 71364 states and 103491 transitions. [2022-10-15 17:43:59,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 71364 states and 103491 transitions. [2022-10-15 17:43:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 17:43:59,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:59,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:59,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:43:59,644 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:43:59,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:59,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2061660067, now seen corresponding path program 1 times [2022-10-15 17:43:59,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:59,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333837652] [2022-10-15 17:43:59,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:59,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:44:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:44:00,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:44:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333837652] [2022-10-15 17:44:00,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333837652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:44:00,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:44:00,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:44:00,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172524642] [2022-10-15 17:44:00,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:44:00,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:44:00,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:44:00,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:44:00,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:44:00,960 INFO L87 Difference]: Start difference. First operand 71364 states and 103491 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:44:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:44:01,688 INFO L93 Difference]: Finished difference Result 135676 states and 195006 transitions. [2022-10-15 17:44:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:44:01,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 17:44:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:44:02,031 INFO L225 Difference]: With dead ends: 135676 [2022-10-15 17:44:02,031 INFO L226 Difference]: Without dead ends: 135676 [2022-10-15 17:44:02,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:44:02,032 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 260 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:44:02,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:44:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135676 states.