/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-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:26:46,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:26:46,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:26:46,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:26:46,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:26:46,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:26:46,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:26:46,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:26:46,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:26:46,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:26:46,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:26:46,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:26:46,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:26:46,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:26:46,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:26:46,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:26:46,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:26:46,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:26:46,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:26:46,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:26:46,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:26:46,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:26:46,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:26:46,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:26:46,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:26:46,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:26:46,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:26:46,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:26:46,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 03:26:46,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:26:46,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:26:46,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:26:46,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:26:46,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:26:46,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:26:46,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:26:46,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:26:46,977 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:26:46,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:26:46,978 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:26:46,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:26:46,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:26:46,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:26:46,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:26:46,979 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:26:46,979 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:26:46,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:26:46,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:26:46,980 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:26:46,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:26:46,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:26:46,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:26:46,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:26:46,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:26:46,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:26:46,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:26:46,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:26:46,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:26:46,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:26:46,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:26:47,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:26:47,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:26:47,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:26:47,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:26:47,391 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:26:47,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 03:26:47,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220177e0a/253c269a0ffc454eb8e2a462111bc0d7/FLAG76d79efea [2022-10-16 03:26:48,239 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:26:48,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 03:26:48,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220177e0a/253c269a0ffc454eb8e2a462111bc0d7/FLAG76d79efea [2022-10-16 03:26:48,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/220177e0a/253c269a0ffc454eb8e2a462111bc0d7 [2022-10-16 03:26:48,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:26:48,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:26:48,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:26:48,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:26:48,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:26:48,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:26:48" (1/1) ... [2022-10-16 03:26:48,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17652b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:48, skipping insertion in model container [2022-10-16 03:26:48,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:26:48" (1/1) ... [2022-10-16 03:26:48,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:26:48,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:26:48,882 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-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7469,7482] [2022-10-16 03:26:48,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:26:48,959 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:26:49,032 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-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7469,7482] [2022-10-16 03:26:49,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:26:49,111 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:26:49,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49 WrapperNode [2022-10-16 03:26:49,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:26:49,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:26:49,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:26:49,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:26:49,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,232 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 610 [2022-10-16 03:26:49,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:26:49,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:26:49,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:26:49,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:26:49,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:26:49,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:26:49,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:26:49,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:26:49,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (1/1) ... [2022-10-16 03:26:49,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:26:49,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:26:49,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 03:26:49,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 03:26:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:26:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:26:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:26:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:26:49,537 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:26:49,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:26:50,343 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:26:50,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:26:50,361 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:26:50,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:26:50 BoogieIcfgContainer [2022-10-16 03:26:50,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:26:50,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:26:50,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:26:50,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:26:50,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:26:48" (1/3) ... [2022-10-16 03:26:50,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135fe408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:26:50, skipping insertion in model container [2022-10-16 03:26:50,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:26:49" (2/3) ... [2022-10-16 03:26:50,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135fe408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:26:50, skipping insertion in model container [2022-10-16 03:26:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:26:50" (3/3) ... [2022-10-16 03:26:50,379 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 03:26:50,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:26:50,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 03:26:50,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:26:50,515 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;@172a8ae4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:26:50,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 03:26:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 160 states have (on average 1.7125) internal successors, (274), 162 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) [2022-10-16 03:26:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:26:50,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:50,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:26:50,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash 946245, now seen corresponding path program 1 times [2022-10-16 03:26:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:50,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910099293] [2022-10-16 03:26:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:50,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:50,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910099293] [2022-10-16 03:26:50,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910099293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:50,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:50,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:26:50,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239293398] [2022-10-16 03:26:50,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:50,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:26:50,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:50,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:26:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:50,972 INFO L87 Difference]: Start difference. First operand has 163 states, 160 states have (on average 1.7125) internal successors, (274), 162 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) [2022-10-16 03:26:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:51,024 INFO L93 Difference]: Finished difference Result 162 states and 272 transitions. [2022-10-16 03:26:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:26:51,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 03:26:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:51,041 INFO L225 Difference]: With dead ends: 162 [2022-10-16 03:26:51,042 INFO L226 Difference]: Without dead ends: 159 [2022-10-16 03:26:51,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:51,049 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 [2022-10-16 03:26:51,051 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] [2022-10-16 03:26:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-10-16 03:26:51,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-10-16 03:26:51,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 158 states have (on average 1.4620253164556962) internal successors, (231), 158 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 231 transitions. [2022-10-16 03:26:51,109 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 231 transitions. Word has length 4 [2022-10-16 03:26:51,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:51,109 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 231 transitions. [2022-10-16 03:26:51,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:51,111 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 231 transitions. [2022-10-16 03:26:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 03:26:51,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:51,116 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] [2022-10-16 03:26:51,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:26:51,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:51,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:51,118 INFO L85 PathProgramCache]: Analyzing trace with hash 985312972, now seen corresponding path program 1 times [2022-10-16 03:26:51,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:51,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192102928] [2022-10-16 03:26:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:51,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:51,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192102928] [2022-10-16 03:26:51,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192102928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:51,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:51,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:26:51,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881557667] [2022-10-16 03:26:51,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:51,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:51,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:51,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:51,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:51,482 INFO L87 Difference]: Start difference. First operand 159 states and 231 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:51,645 INFO L93 Difference]: Finished difference Result 438 states and 663 transitions. [2022-10-16 03:26:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:51,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 03:26:51,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:51,656 INFO L225 Difference]: With dead ends: 438 [2022-10-16 03:26:51,656 INFO L226 Difference]: Without dead ends: 438 [2022-10-16 03:26:51,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:51,664 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 810 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 1177 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 [2022-10-16 03:26:51,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 1177 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:26:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-10-16 03:26:51,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 256. [2022-10-16 03:26:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.4980392156862745) internal successors, (382), 255 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 382 transitions. [2022-10-16 03:26:51,737 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 382 transitions. Word has length 50 [2022-10-16 03:26:51,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:51,738 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 382 transitions. [2022-10-16 03:26:51,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 382 transitions. [2022-10-16 03:26:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 03:26:51,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:51,746 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] [2022-10-16 03:26:51,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:26:51,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:51,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash -722006169, now seen corresponding path program 1 times [2022-10-16 03:26:51,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:51,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808255080] [2022-10-16 03:26:51,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:51,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:51,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:51,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808255080] [2022-10-16 03:26:51,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808255080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:51,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:51,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:26:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802905735] [2022-10-16 03:26:51,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:51,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:26:51,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:51,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:26:51,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:51,930 INFO L87 Difference]: Start difference. First operand 256 states and 382 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:51,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:51,987 INFO L93 Difference]: Finished difference Result 430 states and 635 transitions. [2022-10-16 03:26:51,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:26:51,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 03:26:51,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:51,992 INFO L225 Difference]: With dead ends: 430 [2022-10-16 03:26:51,992 INFO L226 Difference]: Without dead ends: 430 [2022-10-16 03:26:51,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:51,999 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 158 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:52,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 420 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:26:52,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-10-16 03:26:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 428. [2022-10-16 03:26:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 427 states have (on average 1.484777517564403) internal successors, (634), 427 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 634 transitions. [2022-10-16 03:26:52,036 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 634 transitions. Word has length 53 [2022-10-16 03:26:52,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:52,038 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 634 transitions. [2022-10-16 03:26:52,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 634 transitions. [2022-10-16 03:26:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 03:26:52,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:52,046 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] [2022-10-16 03:26:52,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:26:52,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:52,047 INFO L85 PathProgramCache]: Analyzing trace with hash -695460410, now seen corresponding path program 1 times [2022-10-16 03:26:52,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:52,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729466530] [2022-10-16 03:26:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:52,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:52,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:52,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729466530] [2022-10-16 03:26:52,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729466530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:52,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:52,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:26:52,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087653516] [2022-10-16 03:26:52,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:52,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:26:52,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:52,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:26:52,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:52,181 INFO L87 Difference]: Start difference. First operand 428 states and 634 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:52,212 INFO L93 Difference]: Finished difference Result 750 states and 1101 transitions. [2022-10-16 03:26:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:26:52,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 03:26:52,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:52,217 INFO L225 Difference]: With dead ends: 750 [2022-10-16 03:26:52,217 INFO L226 Difference]: Without dead ends: 750 [2022-10-16 03:26:52,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:52,219 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 157 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:52,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 434 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:26:52,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2022-10-16 03:26:52,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 748. [2022-10-16 03:26:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 747 states have (on average 1.4725568942436413) internal successors, (1100), 747 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1100 transitions. [2022-10-16 03:26:52,241 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1100 transitions. Word has length 53 [2022-10-16 03:26:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:52,242 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 1100 transitions. [2022-10-16 03:26:52,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1100 transitions. [2022-10-16 03:26:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 03:26:52,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:52,244 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] [2022-10-16 03:26:52,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:26:52,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:52,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:52,245 INFO L85 PathProgramCache]: Analyzing trace with hash -272648633, now seen corresponding path program 1 times [2022-10-16 03:26:52,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:52,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635023157] [2022-10-16 03:26:52,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:52,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:52,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:52,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635023157] [2022-10-16 03:26:52,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635023157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:52,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:52,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:26:52,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178856853] [2022-10-16 03:26:52,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:52,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:26:52,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:52,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:26:52,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:52,325 INFO L87 Difference]: Start difference. First operand 748 states and 1100 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:52,362 INFO L93 Difference]: Finished difference Result 1295 states and 1875 transitions. [2022-10-16 03:26:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:26:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 03:26:52,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:52,370 INFO L225 Difference]: With dead ends: 1295 [2022-10-16 03:26:52,370 INFO L226 Difference]: Without dead ends: 1295 [2022-10-16 03:26:52,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:26:52,371 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 144 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:52,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 434 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:26:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-10-16 03:26:52,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1293. [2022-10-16 03:26:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1292 states have (on average 1.4504643962848298) internal successors, (1874), 1292 states have internal predecessors, (1874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1874 transitions. [2022-10-16 03:26:52,407 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1874 transitions. Word has length 53 [2022-10-16 03:26:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:52,408 INFO L495 AbstractCegarLoop]: Abstraction has 1293 states and 1874 transitions. [2022-10-16 03:26:52,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1874 transitions. [2022-10-16 03:26:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:26:52,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:52,410 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] [2022-10-16 03:26:52,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:26:52,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:52,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:52,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1724922721, now seen corresponding path program 1 times [2022-10-16 03:26:52,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:52,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843168326] [2022-10-16 03:26:52,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:52,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:52,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:52,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843168326] [2022-10-16 03:26:52,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843168326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:52,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:52,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:26:52,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762608120] [2022-10-16 03:26:52,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:52,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:52,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:52,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:52,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:52,561 INFO L87 Difference]: Start difference. First operand 1293 states and 1874 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:52,692 INFO L93 Difference]: Finished difference Result 2150 states and 3148 transitions. [2022-10-16 03:26:52,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:52,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 03:26:52,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:52,703 INFO L225 Difference]: With dead ends: 2150 [2022-10-16 03:26:52,704 INFO L226 Difference]: Without dead ends: 2150 [2022-10-16 03:26:52,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:52,705 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 634 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:52,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1128 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:26:52,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-10-16 03:26:52,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1745. [2022-10-16 03:26:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.4581422018348624) internal successors, (2543), 1744 states have internal predecessors, (2543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2543 transitions. [2022-10-16 03:26:52,760 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2543 transitions. Word has length 54 [2022-10-16 03:26:52,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:52,760 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2543 transitions. [2022-10-16 03:26:52,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2543 transitions. [2022-10-16 03:26:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:26:52,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:52,763 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] [2022-10-16 03:26:52,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:26:52,763 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:52,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:52,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1943574737, now seen corresponding path program 1 times [2022-10-16 03:26:52,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:52,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968137022] [2022-10-16 03:26:52,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:52,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:52,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:52,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968137022] [2022-10-16 03:26:52,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968137022] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:52,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:52,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:26:52,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996237440] [2022-10-16 03:26:52,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:52,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:52,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:52,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:52,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:52,899 INFO L87 Difference]: Start difference. First operand 1745 states and 2543 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:53,005 INFO L93 Difference]: Finished difference Result 2602 states and 3817 transitions. [2022-10-16 03:26:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:53,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 03:26:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:53,018 INFO L225 Difference]: With dead ends: 2602 [2022-10-16 03:26:53,018 INFO L226 Difference]: Without dead ends: 2602 [2022-10-16 03:26:53,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:53,020 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 624 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:53,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 1029 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:26:53,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2022-10-16 03:26:53,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2091. [2022-10-16 03:26:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2091 states, 2090 states have (on average 1.4631578947368422) internal successors, (3058), 2090 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 3058 transitions. [2022-10-16 03:26:53,082 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 3058 transitions. Word has length 54 [2022-10-16 03:26:53,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:53,082 INFO L495 AbstractCegarLoop]: Abstraction has 2091 states and 3058 transitions. [2022-10-16 03:26:53,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 3058 transitions. [2022-10-16 03:26:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:26:53,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:53,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:26:53,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:26:53,085 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:53,086 INFO L85 PathProgramCache]: Analyzing trace with hash -867408349, now seen corresponding path program 1 times [2022-10-16 03:26:53,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:53,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519510949] [2022-10-16 03:26:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:53,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:53,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:53,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519510949] [2022-10-16 03:26:53,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519510949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:53,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:53,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:26:53,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833351064] [2022-10-16 03:26:53,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:53,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:53,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:53,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:53,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:53,265 INFO L87 Difference]: Start difference. First operand 2091 states and 3058 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:53,379 INFO L93 Difference]: Finished difference Result 3001 states and 4407 transitions. [2022-10-16 03:26:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:53,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 03:26:53,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:53,393 INFO L225 Difference]: With dead ends: 3001 [2022-10-16 03:26:53,393 INFO L226 Difference]: Without dead ends: 3001 [2022-10-16 03:26:53,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:53,395 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 628 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:53,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1128 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:26:53,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2022-10-16 03:26:53,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2382. [2022-10-16 03:26:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 2381 states have (on average 1.4666106677866442) internal successors, (3492), 2381 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3492 transitions. [2022-10-16 03:26:53,466 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3492 transitions. Word has length 54 [2022-10-16 03:26:53,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:53,466 INFO L495 AbstractCegarLoop]: Abstraction has 2382 states and 3492 transitions. [2022-10-16 03:26:53,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3492 transitions. [2022-10-16 03:26:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 03:26:53,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:53,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:26:53,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:26:53,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:53,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash -554993830, now seen corresponding path program 1 times [2022-10-16 03:26:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:53,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806159754] [2022-10-16 03:26:53,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:53,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:53,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806159754] [2022-10-16 03:26:53,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806159754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:53,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:53,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:26:53,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478581672] [2022-10-16 03:26:53,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:53,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:53,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:53,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:53,580 INFO L87 Difference]: Start difference. First operand 2382 states and 3492 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:53,814 INFO L93 Difference]: Finished difference Result 3315 states and 4770 transitions. [2022-10-16 03:26:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 03:26:53,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:53,830 INFO L225 Difference]: With dead ends: 3315 [2022-10-16 03:26:53,830 INFO L226 Difference]: Without dead ends: 3315 [2022-10-16 03:26:53,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:53,831 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 888 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:53,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 208 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:26:53,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3315 states. [2022-10-16 03:26:53,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3315 to 3288. [2022-10-16 03:26:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3287 states have (on average 1.4432613325220567) internal successors, (4744), 3287 states have internal predecessors, (4744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 4744 transitions. [2022-10-16 03:26:53,919 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 4744 transitions. Word has length 58 [2022-10-16 03:26:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:53,920 INFO L495 AbstractCegarLoop]: Abstraction has 3288 states and 4744 transitions. [2022-10-16 03:26:53,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 4744 transitions. [2022-10-16 03:26:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 03:26:53,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:53,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:26:53,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:26:53,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:53,924 INFO L85 PathProgramCache]: Analyzing trace with hash 500702524, now seen corresponding path program 1 times [2022-10-16 03:26:53,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:53,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931615789] [2022-10-16 03:26:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:54,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:54,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931615789] [2022-10-16 03:26:54,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931615789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:54,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:54,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:26:54,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552109767] [2022-10-16 03:26:54,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:54,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:54,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:54,071 INFO L87 Difference]: Start difference. First operand 3288 states and 4744 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:54,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:54,266 INFO L93 Difference]: Finished difference Result 4591 states and 6551 transitions. [2022-10-16 03:26:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:54,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 03:26:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:54,288 INFO L225 Difference]: With dead ends: 4591 [2022-10-16 03:26:54,289 INFO L226 Difference]: Without dead ends: 4591 [2022-10-16 03:26:54,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:54,290 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 876 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:54,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 226 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:26:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4591 states. [2022-10-16 03:26:54,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4591 to 4566. [2022-10-16 03:26:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4566 states, 4565 states have (on average 1.4297918948521358) internal successors, (6527), 4565 states have internal predecessors, (6527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4566 states to 4566 states and 6527 transitions. [2022-10-16 03:26:54,407 INFO L78 Accepts]: Start accepts. Automaton has 4566 states and 6527 transitions. Word has length 58 [2022-10-16 03:26:54,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:54,408 INFO L495 AbstractCegarLoop]: Abstraction has 4566 states and 6527 transitions. [2022-10-16 03:26:54,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4566 states and 6527 transitions. [2022-10-16 03:26:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 03:26:54,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:54,411 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] [2022-10-16 03:26:54,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:26:54,412 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:54,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1531409244, now seen corresponding path program 1 times [2022-10-16 03:26:54,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:54,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535186928] [2022-10-16 03:26:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:54,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:54,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:54,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535186928] [2022-10-16 03:26:54,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535186928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:54,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:54,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:26:54,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858096749] [2022-10-16 03:26:54,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:54,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:26:54,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:54,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:26:54,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:26:54,522 INFO L87 Difference]: Start difference. First operand 4566 states and 6527 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:54,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:54,712 INFO L93 Difference]: Finished difference Result 6338 states and 8943 transitions. [2022-10-16 03:26:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:26:54,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 03:26:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:54,781 INFO L225 Difference]: With dead ends: 6338 [2022-10-16 03:26:54,781 INFO L226 Difference]: Without dead ends: 6338 [2022-10-16 03:26:54,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:54,782 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 831 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:54,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 228 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:26:54,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2022-10-16 03:26:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 6303. [2022-10-16 03:26:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6303 states, 6302 states have (on average 1.4136781973976515) internal successors, (8909), 6302 states have internal predecessors, (8909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6303 states to 6303 states and 8909 transitions. [2022-10-16 03:26:54,961 INFO L78 Accepts]: Start accepts. Automaton has 6303 states and 8909 transitions. Word has length 59 [2022-10-16 03:26:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:54,961 INFO L495 AbstractCegarLoop]: Abstraction has 6303 states and 8909 transitions. [2022-10-16 03:26:54,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 6303 states and 8909 transitions. [2022-10-16 03:26:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 03:26:54,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:54,965 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] [2022-10-16 03:26:54,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:26:54,972 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:54,973 INFO L85 PathProgramCache]: Analyzing trace with hash -97252013, now seen corresponding path program 1 times [2022-10-16 03:26:54,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:54,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575023859] [2022-10-16 03:26:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:55,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:55,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575023859] [2022-10-16 03:26:55,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575023859] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:55,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:55,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:26:55,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289209193] [2022-10-16 03:26:55,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:55,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:26:55,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:55,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:26:55,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:55,144 INFO L87 Difference]: Start difference. First operand 6303 states and 8909 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:55,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:55,670 INFO L93 Difference]: Finished difference Result 21033 states and 29625 transitions. [2022-10-16 03:26:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:26:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 03:26:55,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:55,718 INFO L225 Difference]: With dead ends: 21033 [2022-10-16 03:26:55,718 INFO L226 Difference]: Without dead ends: 21033 [2022-10-16 03:26:55,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:26:55,720 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 2032 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:55,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 343 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:26:55,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21033 states. [2022-10-16 03:26:55,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21033 to 6323. [2022-10-16 03:26:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6323 states, 6322 states have (on average 1.4130022144890857) internal successors, (8933), 6322 states have internal predecessors, (8933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6323 states to 6323 states and 8933 transitions. [2022-10-16 03:26:56,111 INFO L78 Accepts]: Start accepts. Automaton has 6323 states and 8933 transitions. Word has length 60 [2022-10-16 03:26:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:56,111 INFO L495 AbstractCegarLoop]: Abstraction has 6323 states and 8933 transitions. [2022-10-16 03:26:56,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 6323 states and 8933 transitions. [2022-10-16 03:26:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 03:26:56,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:56,115 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] [2022-10-16 03:26:56,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:26:56,116 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:56,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:56,117 INFO L85 PathProgramCache]: Analyzing trace with hash -172891724, now seen corresponding path program 1 times [2022-10-16 03:26:56,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:56,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405720851] [2022-10-16 03:26:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:56,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:56,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405720851] [2022-10-16 03:26:56,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405720851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:56,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:56,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:26:56,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445169389] [2022-10-16 03:26:56,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:56,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:26:56,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:56,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:26:56,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:56,266 INFO L87 Difference]: Start difference. First operand 6323 states and 8933 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:56,765 INFO L93 Difference]: Finished difference Result 25419 states and 35860 transitions. [2022-10-16 03:26:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:26:56,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 03:26:56,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:56,821 INFO L225 Difference]: With dead ends: 25419 [2022-10-16 03:26:56,821 INFO L226 Difference]: Without dead ends: 25419 [2022-10-16 03:26:56,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:26:56,823 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 2323 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2323 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:56,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2323 Valid, 388 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:26:56,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25419 states. [2022-10-16 03:26:57,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25419 to 6417. [2022-10-16 03:26:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6417 states, 6416 states have (on average 1.4111596009975063) internal successors, (9054), 6416 states have internal predecessors, (9054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6417 states to 6417 states and 9054 transitions. [2022-10-16 03:26:57,242 INFO L78 Accepts]: Start accepts. Automaton has 6417 states and 9054 transitions. Word has length 60 [2022-10-16 03:26:57,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:57,242 INFO L495 AbstractCegarLoop]: Abstraction has 6417 states and 9054 transitions. [2022-10-16 03:26:57,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6417 states and 9054 transitions. [2022-10-16 03:26:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 03:26:57,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:57,247 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] [2022-10-16 03:26:57,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:26:57,247 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:57,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:57,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2054897963, now seen corresponding path program 1 times [2022-10-16 03:26:57,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:57,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392507890] [2022-10-16 03:26:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:57,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:57,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392507890] [2022-10-16 03:26:57,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392507890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:57,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:57,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:26:57,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142956235] [2022-10-16 03:26:57,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:57,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:26:57,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:57,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:26:57,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:26:57,424 INFO L87 Difference]: Start difference. First operand 6417 states and 9054 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:57,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:26:57,957 INFO L93 Difference]: Finished difference Result 31246 states and 44048 transitions. [2022-10-16 03:26:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:26:57,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 03:26:57,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:26:58,021 INFO L225 Difference]: With dead ends: 31246 [2022-10-16 03:26:58,021 INFO L226 Difference]: Without dead ends: 31246 [2022-10-16 03:26:58,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:26:58,023 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 2695 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2695 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:26:58,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2695 Valid, 410 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:26:58,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31246 states. [2022-10-16 03:26:58,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31246 to 6473. [2022-10-16 03:26:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 6472 states have (on average 1.409610630407911) internal successors, (9123), 6472 states have internal predecessors, (9123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9123 transitions. [2022-10-16 03:26:58,490 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 9123 transitions. Word has length 60 [2022-10-16 03:26:58,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:26:58,491 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 9123 transitions. [2022-10-16 03:26:58,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:26:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 9123 transitions. [2022-10-16 03:26:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 03:26:58,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:26:58,502 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] [2022-10-16 03:26:58,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:26:58,503 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:26:58,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:26:58,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1036507303, now seen corresponding path program 1 times [2022-10-16 03:26:58,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:26:58,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943857122] [2022-10-16 03:26:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:26:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:26:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:26:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:26:59,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:26:59,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943857122] [2022-10-16 03:26:59,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943857122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:26:59,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:26:59,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:26:59,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383070504] [2022-10-16 03:26:59,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:26:59,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:26:59,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:26:59,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:26:59,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:26:59,078 INFO L87 Difference]: Start difference. First operand 6473 states and 9123 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:00,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:00,501 INFO L93 Difference]: Finished difference Result 19216 states and 26963 transitions. [2022-10-16 03:27:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:27:00,501 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 03:27:00,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:00,534 INFO L225 Difference]: With dead ends: 19216 [2022-10-16 03:27:00,534 INFO L226 Difference]: Without dead ends: 19216 [2022-10-16 03:27:00,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:27:00,535 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 2010 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:00,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 1549 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:27:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states. [2022-10-16 03:27:00,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 6341. [2022-10-16 03:27:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 6340 states have (on average 1.407570977917981) internal successors, (8924), 6340 states have internal predecessors, (8924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 8924 transitions. [2022-10-16 03:27:00,829 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 8924 transitions. Word has length 62 [2022-10-16 03:27:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:00,829 INFO L495 AbstractCegarLoop]: Abstraction has 6341 states and 8924 transitions. [2022-10-16 03:27:00,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 8924 transitions. [2022-10-16 03:27:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 03:27:00,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:00,836 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] [2022-10-16 03:27:00,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:27:00,837 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:00,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:00,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1459319080, now seen corresponding path program 1 times [2022-10-16 03:27:00,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:00,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87151798] [2022-10-16 03:27:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:00,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:01,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:01,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87151798] [2022-10-16 03:27:01,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87151798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:01,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:01,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:27:01,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808505011] [2022-10-16 03:27:01,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:01,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:27:01,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:01,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:27:01,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:27:01,307 INFO L87 Difference]: Start difference. First operand 6341 states and 8924 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:02,855 INFO L93 Difference]: Finished difference Result 19255 states and 26920 transitions. [2022-10-16 03:27:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:27:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 03:27:02,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:02,888 INFO L225 Difference]: With dead ends: 19255 [2022-10-16 03:27:02,888 INFO L226 Difference]: Without dead ends: 19255 [2022-10-16 03:27:02,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:27:02,890 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1926 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:02,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 1584 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:27:02,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19255 states. [2022-10-16 03:27:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19255 to 6144. [2022-10-16 03:27:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6144 states, 6143 states have (on average 1.4061533452710402) internal successors, (8638), 6143 states have internal predecessors, (8638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6144 states to 6144 states and 8638 transitions. [2022-10-16 03:27:03,201 INFO L78 Accepts]: Start accepts. Automaton has 6144 states and 8638 transitions. Word has length 62 [2022-10-16 03:27:03,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:03,201 INFO L495 AbstractCegarLoop]: Abstraction has 6144 states and 8638 transitions. [2022-10-16 03:27:03,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 6144 states and 8638 transitions. [2022-10-16 03:27:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 03:27:03,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:03,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:27:03,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:27:03,206 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:03,207 INFO L85 PathProgramCache]: Analyzing trace with hash 2010042985, now seen corresponding path program 1 times [2022-10-16 03:27:03,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:03,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426160765] [2022-10-16 03:27:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:03,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:03,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426160765] [2022-10-16 03:27:03,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426160765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:03,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:03,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:27:03,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489681653] [2022-10-16 03:27:03,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:03,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:27:03,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:03,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:27:03,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:27:03,603 INFO L87 Difference]: Start difference. First operand 6144 states and 8638 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:04,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:04,885 INFO L93 Difference]: Finished difference Result 15981 states and 22405 transitions. [2022-10-16 03:27:04,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:27:04,887 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 03:27:04,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:04,907 INFO L225 Difference]: With dead ends: 15981 [2022-10-16 03:27:04,907 INFO L226 Difference]: Without dead ends: 15981 [2022-10-16 03:27:04,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:27:04,909 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 2094 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:04,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 1309 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:27:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15981 states. [2022-10-16 03:27:05,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15981 to 6003. [2022-10-16 03:27:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6003 states, 6002 states have (on average 1.406697767410863) internal successors, (8443), 6002 states have internal predecessors, (8443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8443 transitions. [2022-10-16 03:27:05,092 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8443 transitions. Word has length 62 [2022-10-16 03:27:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:05,092 INFO L495 AbstractCegarLoop]: Abstraction has 6003 states and 8443 transitions. [2022-10-16 03:27:05,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8443 transitions. [2022-10-16 03:27:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 03:27:05,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:05,098 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] [2022-10-16 03:27:05,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:27:05,099 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:05,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:05,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1983119998, now seen corresponding path program 1 times [2022-10-16 03:27:05,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:05,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526832064] [2022-10-16 03:27:05,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:05,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:05,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526832064] [2022-10-16 03:27:05,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526832064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:05,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:05,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:05,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330662495] [2022-10-16 03:27:05,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:05,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:05,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:05,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:05,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,171 INFO L87 Difference]: Start difference. First operand 6003 states and 8443 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:05,206 INFO L93 Difference]: Finished difference Result 5806 states and 8053 transitions. [2022-10-16 03:27:05,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:05,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 03:27:05,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:05,215 INFO L225 Difference]: With dead ends: 5806 [2022-10-16 03:27:05,216 INFO L226 Difference]: Without dead ends: 5806 [2022-10-16 03:27:05,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,217 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 148 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:05,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 521 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5806 states. [2022-10-16 03:27:05,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5806 to 5804. [2022-10-16 03:27:05,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5804 states, 5803 states have (on average 1.387558159572635) internal successors, (8052), 5803 states have internal predecessors, (8052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5804 states to 5804 states and 8052 transitions. [2022-10-16 03:27:05,308 INFO L78 Accepts]: Start accepts. Automaton has 5804 states and 8052 transitions. Word has length 63 [2022-10-16 03:27:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:05,308 INFO L495 AbstractCegarLoop]: Abstraction has 5804 states and 8052 transitions. [2022-10-16 03:27:05,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5804 states and 8052 transitions. [2022-10-16 03:27:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 03:27:05,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:05,312 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] [2022-10-16 03:27:05,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:27:05,313 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:05,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1051173576, now seen corresponding path program 1 times [2022-10-16 03:27:05,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:05,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662311468] [2022-10-16 03:27:05,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:05,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:05,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662311468] [2022-10-16 03:27:05,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662311468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:05,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:05,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:05,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750995966] [2022-10-16 03:27:05,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:05,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:05,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:05,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,379 INFO L87 Difference]: Start difference. First operand 5804 states and 8052 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:05,408 INFO L93 Difference]: Finished difference Result 5023 states and 6843 transitions. [2022-10-16 03:27:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:05,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 03:27:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:05,416 INFO L225 Difference]: With dead ends: 5023 [2022-10-16 03:27:05,416 INFO L226 Difference]: Without dead ends: 5023 [2022-10-16 03:27:05,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,417 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 134 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:05,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 513 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:05,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-10-16 03:27:05,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 5021. [2022-10-16 03:27:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5021 states, 5020 states have (on average 1.3629482071713148) internal successors, (6842), 5020 states have internal predecessors, (6842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 5021 states and 6842 transitions. [2022-10-16 03:27:05,495 INFO L78 Accepts]: Start accepts. Automaton has 5021 states and 6842 transitions. Word has length 63 [2022-10-16 03:27:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:05,496 INFO L495 AbstractCegarLoop]: Abstraction has 5021 states and 6842 transitions. [2022-10-16 03:27:05,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 6842 transitions. [2022-10-16 03:27:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 03:27:05,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:05,499 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] [2022-10-16 03:27:05,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:27:05,500 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:05,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:05,500 INFO L85 PathProgramCache]: Analyzing trace with hash -125701859, now seen corresponding path program 1 times [2022-10-16 03:27:05,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:05,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286481397] [2022-10-16 03:27:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:05,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:05,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286481397] [2022-10-16 03:27:05,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286481397] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:05,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:05,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:05,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800528472] [2022-10-16 03:27:05,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:05,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:05,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:05,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:05,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,565 INFO L87 Difference]: Start difference. First operand 5021 states and 6842 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:05,589 INFO L93 Difference]: Finished difference Result 3867 states and 5172 transitions. [2022-10-16 03:27:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:05,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 03:27:05,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:05,595 INFO L225 Difference]: With dead ends: 3867 [2022-10-16 03:27:05,596 INFO L226 Difference]: Without dead ends: 3867 [2022-10-16 03:27:05,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,597 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 146 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:05,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 524 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:05,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2022-10-16 03:27:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3865. [2022-10-16 03:27:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 3864 states have (on average 1.3382505175983437) internal successors, (5171), 3864 states have internal predecessors, (5171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5171 transitions. [2022-10-16 03:27:05,655 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5171 transitions. Word has length 63 [2022-10-16 03:27:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:05,656 INFO L495 AbstractCegarLoop]: Abstraction has 3865 states and 5171 transitions. [2022-10-16 03:27:05,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5171 transitions. [2022-10-16 03:27:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:27:05,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:05,660 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] [2022-10-16 03:27:05,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:27:05,660 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:05,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash 666404545, now seen corresponding path program 1 times [2022-10-16 03:27:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:05,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565262417] [2022-10-16 03:27:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:05,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:05,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565262417] [2022-10-16 03:27:05,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565262417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:05,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:05,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:05,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45895421] [2022-10-16 03:27:05,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:05,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:05,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:05,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:05,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,715 INFO L87 Difference]: Start difference. First operand 3865 states and 5171 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:05,755 INFO L93 Difference]: Finished difference Result 5197 states and 6988 transitions. [2022-10-16 03:27:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:05,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 03:27:05,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:05,764 INFO L225 Difference]: With dead ends: 5197 [2022-10-16 03:27:05,765 INFO L226 Difference]: Without dead ends: 5197 [2022-10-16 03:27:05,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:05,766 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 171 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:05,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 343 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:05,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2022-10-16 03:27:05,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 3680. [2022-10-16 03:27:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3680 states, 3679 states have (on average 1.337048110899701) internal successors, (4919), 3679 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 4919 transitions. [2022-10-16 03:27:05,840 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 4919 transitions. Word has length 64 [2022-10-16 03:27:05,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:05,840 INFO L495 AbstractCegarLoop]: Abstraction has 3680 states and 4919 transitions. [2022-10-16 03:27:05,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 4919 transitions. [2022-10-16 03:27:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:27:05,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:05,844 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] [2022-10-16 03:27:05,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:27:05,845 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:05,845 INFO L85 PathProgramCache]: Analyzing trace with hash 859970200, now seen corresponding path program 1 times [2022-10-16 03:27:05,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:05,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091962838] [2022-10-16 03:27:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:07,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:07,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091962838] [2022-10-16 03:27:07,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091962838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:07,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:07,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:27:07,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960714650] [2022-10-16 03:27:07,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:07,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:27:07,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:27:07,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:27:07,522 INFO L87 Difference]: Start difference. First operand 3680 states and 4919 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:13,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:13,044 INFO L93 Difference]: Finished difference Result 7537 states and 10147 transitions. [2022-10-16 03:27:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 03:27:13,044 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 03:27:13,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:13,054 INFO L225 Difference]: With dead ends: 7537 [2022-10-16 03:27:13,055 INFO L226 Difference]: Without dead ends: 7537 [2022-10-16 03:27:13,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=382, Invalid=1780, Unknown=0, NotChecked=0, Total=2162 [2022-10-16 03:27:13,058 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 2436 mSDsluCounter, 5737 mSDsCounter, 0 mSdLazyCounter, 3420 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 3420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:13,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 6176 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 3420 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 03:27:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2022-10-16 03:27:13,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 3692. [2022-10-16 03:27:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3691 states have (on average 1.3367651043077757) internal successors, (4934), 3691 states have internal predecessors, (4934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 4934 transitions. [2022-10-16 03:27:13,139 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 4934 transitions. Word has length 64 [2022-10-16 03:27:13,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:13,140 INFO L495 AbstractCegarLoop]: Abstraction has 3692 states and 4934 transitions. [2022-10-16 03:27:13,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 4934 transitions. [2022-10-16 03:27:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:27:13,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:13,144 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] [2022-10-16 03:27:13,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:27:13,145 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:13,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:13,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1948770272, now seen corresponding path program 1 times [2022-10-16 03:27:13,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:13,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278267502] [2022-10-16 03:27:13,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:14,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:14,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278267502] [2022-10-16 03:27:14,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278267502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:14,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:14,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:27:14,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854314883] [2022-10-16 03:27:14,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:14,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:27:14,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:27:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:27:14,670 INFO L87 Difference]: Start difference. First operand 3692 states and 4934 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:20,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:20,463 INFO L93 Difference]: Finished difference Result 7003 states and 9430 transitions. [2022-10-16 03:27:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 03:27:20,464 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 03:27:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:20,474 INFO L225 Difference]: With dead ends: 7003 [2022-10-16 03:27:20,474 INFO L226 Difference]: Without dead ends: 7003 [2022-10-16 03:27:20,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=432, Invalid=1730, Unknown=0, NotChecked=0, Total=2162 [2022-10-16 03:27:20,476 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 1986 mSDsluCounter, 6380 mSDsCounter, 0 mSdLazyCounter, 3816 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 6813 SdHoareTripleChecker+Invalid, 3840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:20,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 6813 Invalid, 3840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 3816 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 03:27:20,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7003 states. [2022-10-16 03:27:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7003 to 3692. [2022-10-16 03:27:20,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3691 states have (on average 1.3364941750203196) internal successors, (4933), 3691 states have internal predecessors, (4933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 4933 transitions. [2022-10-16 03:27:20,550 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 4933 transitions. Word has length 64 [2022-10-16 03:27:20,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:20,551 INFO L495 AbstractCegarLoop]: Abstraction has 3692 states and 4933 transitions. [2022-10-16 03:27:20,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 4933 transitions. [2022-10-16 03:27:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:27:20,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:20,555 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] [2022-10-16 03:27:20,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:27:20,555 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:20,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:20,556 INFO L85 PathProgramCache]: Analyzing trace with hash 682523932, now seen corresponding path program 1 times [2022-10-16 03:27:20,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:20,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961339652] [2022-10-16 03:27:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:20,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:21,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:21,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961339652] [2022-10-16 03:27:21,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961339652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:21,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:21,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:27:21,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470040902] [2022-10-16 03:27:21,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:21,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:27:21,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:21,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:27:21,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:27:21,872 INFO L87 Difference]: Start difference. First operand 3692 states and 4933 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:27,291 INFO L93 Difference]: Finished difference Result 7435 states and 10000 transitions. [2022-10-16 03:27:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 03:27:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 03:27:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:27,300 INFO L225 Difference]: With dead ends: 7435 [2022-10-16 03:27:27,300 INFO L226 Difference]: Without dead ends: 7435 [2022-10-16 03:27:27,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=345, Invalid=1461, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 03:27:27,302 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 2500 mSDsluCounter, 7281 mSDsCounter, 0 mSdLazyCounter, 4435 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 7777 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 4435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:27,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2500 Valid, 7777 Invalid, 4475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 4435 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-10-16 03:27:27,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7435 states. [2022-10-16 03:27:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7435 to 3698. [2022-10-16 03:27:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3698 states, 3697 states have (on average 1.3362185555856099) internal successors, (4940), 3697 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3698 states and 4940 transitions. [2022-10-16 03:27:27,380 INFO L78 Accepts]: Start accepts. Automaton has 3698 states and 4940 transitions. Word has length 64 [2022-10-16 03:27:27,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:27,380 INFO L495 AbstractCegarLoop]: Abstraction has 3698 states and 4940 transitions. [2022-10-16 03:27:27,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 4940 transitions. [2022-10-16 03:27:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:27:27,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:27,384 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] [2022-10-16 03:27:27,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:27:27,384 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:27,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1079669093, now seen corresponding path program 1 times [2022-10-16 03:27:27,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:27,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766074086] [2022-10-16 03:27:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:27,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:27,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:27,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766074086] [2022-10-16 03:27:27,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766074086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:27,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:27,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:27,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585406381] [2022-10-16 03:27:27,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:27,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:27,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:27,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:27,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:27,437 INFO L87 Difference]: Start difference. First operand 3698 states and 4940 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:27,475 INFO L93 Difference]: Finished difference Result 4960 states and 6658 transitions. [2022-10-16 03:27:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:27,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 03:27:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:27,482 INFO L225 Difference]: With dead ends: 4960 [2022-10-16 03:27:27,482 INFO L226 Difference]: Without dead ends: 4960 [2022-10-16 03:27:27,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:27,483 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 173 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:27,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 344 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:27,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4960 states. [2022-10-16 03:27:27,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4960 to 3488. [2022-10-16 03:27:27,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3488 states, 3487 states have (on average 1.335818755377115) internal successors, (4658), 3487 states have internal predecessors, (4658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 3488 states and 4658 transitions. [2022-10-16 03:27:27,545 INFO L78 Accepts]: Start accepts. Automaton has 3488 states and 4658 transitions. Word has length 64 [2022-10-16 03:27:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:27,545 INFO L495 AbstractCegarLoop]: Abstraction has 3488 states and 4658 transitions. [2022-10-16 03:27:27,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3488 states and 4658 transitions. [2022-10-16 03:27:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:27:27,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:27,549 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] [2022-10-16 03:27:27,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:27:27,549 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:27,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2017308149, now seen corresponding path program 1 times [2022-10-16 03:27:27,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:27,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957169434] [2022-10-16 03:27:27,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:27,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:27,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:27,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957169434] [2022-10-16 03:27:27,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957169434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:27,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:27,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:27,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156676313] [2022-10-16 03:27:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:27,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:27,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:27,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:27,601 INFO L87 Difference]: Start difference. First operand 3488 states and 4658 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:27,660 INFO L93 Difference]: Finished difference Result 4645 states and 6230 transitions. [2022-10-16 03:27:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:27,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 03:27:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:27,668 INFO L225 Difference]: With dead ends: 4645 [2022-10-16 03:27:27,669 INFO L226 Difference]: Without dead ends: 4645 [2022-10-16 03:27:27,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:27,670 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 166 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:27,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 331 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4645 states. [2022-10-16 03:27:27,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4645 to 3269. [2022-10-16 03:27:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3269 states, 3268 states have (on average 1.3347613219094248) internal successors, (4362), 3268 states have internal predecessors, (4362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 3269 states and 4362 transitions. [2022-10-16 03:27:27,746 INFO L78 Accepts]: Start accepts. Automaton has 3269 states and 4362 transitions. Word has length 64 [2022-10-16 03:27:27,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:27,747 INFO L495 AbstractCegarLoop]: Abstraction has 3269 states and 4362 transitions. [2022-10-16 03:27:27,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:27,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 4362 transitions. [2022-10-16 03:27:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 03:27:27,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:27,751 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] [2022-10-16 03:27:27,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:27:27,751 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:27,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:27,753 INFO L85 PathProgramCache]: Analyzing trace with hash 144276108, now seen corresponding path program 1 times [2022-10-16 03:27:27,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:27,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244276694] [2022-10-16 03:27:27,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:27,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:28,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:28,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244276694] [2022-10-16 03:27:28,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244276694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:28,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:28,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:27:28,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287782267] [2022-10-16 03:27:28,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:28,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:27:28,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:28,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:27:28,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:27:28,527 INFO L87 Difference]: Start difference. First operand 3269 states and 4362 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:30,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:30,103 INFO L93 Difference]: Finished difference Result 7071 states and 9520 transitions. [2022-10-16 03:27:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 03:27:30,104 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 03:27:30,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:30,110 INFO L225 Difference]: With dead ends: 7071 [2022-10-16 03:27:30,110 INFO L226 Difference]: Without dead ends: 7071 [2022-10-16 03:27:30,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:27:30,111 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 1316 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:30,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 3004 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:27:30,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2022-10-16 03:27:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 3203. [2022-10-16 03:27:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3202 states have (on average 1.3357276702061212) internal successors, (4277), 3202 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4277 transitions. [2022-10-16 03:27:30,179 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4277 transitions. Word has length 65 [2022-10-16 03:27:30,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:30,180 INFO L495 AbstractCegarLoop]: Abstraction has 3203 states and 4277 transitions. [2022-10-16 03:27:30,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4277 transitions. [2022-10-16 03:27:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 03:27:30,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:30,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:27:30,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:27:30,184 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:30,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:30,184 INFO L85 PathProgramCache]: Analyzing trace with hash 402441546, now seen corresponding path program 1 times [2022-10-16 03:27:30,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:30,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887680351] [2022-10-16 03:27:30,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:30,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:31,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887680351] [2022-10-16 03:27:31,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887680351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:31,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:31,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-16 03:27:31,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796625732] [2022-10-16 03:27:31,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:31,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 03:27:31,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:31,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 03:27:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-10-16 03:27:31,066 INFO L87 Difference]: Start difference. First operand 3203 states and 4277 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:34,158 INFO L93 Difference]: Finished difference Result 8044 states and 10852 transitions. [2022-10-16 03:27:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 03:27:34,159 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 03:27:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:34,166 INFO L225 Difference]: With dead ends: 8044 [2022-10-16 03:27:34,166 INFO L226 Difference]: Without dead ends: 8044 [2022-10-16 03:27:34,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=378, Invalid=1344, Unknown=0, NotChecked=0, Total=1722 [2022-10-16 03:27:34,168 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 2490 mSDsluCounter, 3741 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 4419 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:34,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2490 Valid, 4419 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:27:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8044 states. [2022-10-16 03:27:34,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8044 to 3142. [2022-10-16 03:27:34,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3142 states, 3141 states have (on average 1.3358802929003502) internal successors, (4196), 3141 states have internal predecessors, (4196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 4196 transitions. [2022-10-16 03:27:34,233 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 4196 transitions. Word has length 65 [2022-10-16 03:27:34,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:34,234 INFO L495 AbstractCegarLoop]: Abstraction has 3142 states and 4196 transitions. [2022-10-16 03:27:34,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 4196 transitions. [2022-10-16 03:27:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:27:34,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:34,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:27:34,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:27:34,238 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:34,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1563174538, now seen corresponding path program 1 times [2022-10-16 03:27:34,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:34,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097168764] [2022-10-16 03:27:34,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:34,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:34,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:34,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097168764] [2022-10-16 03:27:34,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097168764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:34,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:34,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:27:34,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103173448] [2022-10-16 03:27:34,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:34,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:27:34,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:34,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:27:34,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:27:34,345 INFO L87 Difference]: Start difference. First operand 3142 states and 4196 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:34,409 INFO L93 Difference]: Finished difference Result 2705 states and 3621 transitions. [2022-10-16 03:27:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:27:34,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 03:27:34,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:34,413 INFO L225 Difference]: With dead ends: 2705 [2022-10-16 03:27:34,414 INFO L226 Difference]: Without dead ends: 2705 [2022-10-16 03:27:34,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:27:34,419 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 422 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:34,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 752 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:34,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-10-16 03:27:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2701. [2022-10-16 03:27:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2700 states have (on average 1.3403703703703704) internal successors, (3619), 2700 states have internal predecessors, (3619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 3619 transitions. [2022-10-16 03:27:34,461 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 3619 transitions. Word has length 69 [2022-10-16 03:27:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:34,462 INFO L495 AbstractCegarLoop]: Abstraction has 2701 states and 3619 transitions. [2022-10-16 03:27:34,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3619 transitions. [2022-10-16 03:27:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 03:27:34,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:34,465 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] [2022-10-16 03:27:34,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:27:34,466 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:34,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:34,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1535111263, now seen corresponding path program 1 times [2022-10-16 03:27:34,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:34,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306431419] [2022-10-16 03:27:34,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:34,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:34,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:34,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306431419] [2022-10-16 03:27:34,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306431419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:34,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:34,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:34,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359784158] [2022-10-16 03:27:34,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:34,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:34,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:34,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:34,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:34,596 INFO L87 Difference]: Start difference. First operand 2701 states and 3619 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:34,628 INFO L93 Difference]: Finished difference Result 4682 states and 6231 transitions. [2022-10-16 03:27:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:34,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 03:27:34,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:34,634 INFO L225 Difference]: With dead ends: 4682 [2022-10-16 03:27:34,634 INFO L226 Difference]: Without dead ends: 4682 [2022-10-16 03:27:34,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:34,636 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 113 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:34,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 426 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2022-10-16 03:27:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4386. [2022-10-16 03:27:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 4385 states have (on average 1.3388825541619156) internal successors, (5871), 4385 states have internal predecessors, (5871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 5871 transitions. [2022-10-16 03:27:34,698 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 5871 transitions. Word has length 72 [2022-10-16 03:27:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:34,698 INFO L495 AbstractCegarLoop]: Abstraction has 4386 states and 5871 transitions. [2022-10-16 03:27:34,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 5871 transitions. [2022-10-16 03:27:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:27:34,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:34,701 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] [2022-10-16 03:27:34,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:27:34,701 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:34,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:34,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1480821562, now seen corresponding path program 1 times [2022-10-16 03:27:34,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:34,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430933291] [2022-10-16 03:27:34,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:34,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:34,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:34,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430933291] [2022-10-16 03:27:34,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430933291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:34,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:34,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:34,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14987069] [2022-10-16 03:27:34,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:34,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:34,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:34,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:34,815 INFO L87 Difference]: Start difference. First operand 4386 states and 5871 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:34,849 INFO L93 Difference]: Finished difference Result 7957 states and 10552 transitions. [2022-10-16 03:27:34,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:34,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 03:27:34,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:34,859 INFO L225 Difference]: With dead ends: 7957 [2022-10-16 03:27:34,860 INFO L226 Difference]: Without dead ends: 7957 [2022-10-16 03:27:34,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:34,861 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 103 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:34,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:34,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7957 states. [2022-10-16 03:27:34,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7957 to 7367. [2022-10-16 03:27:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7367 states, 7366 states have (on average 1.3349171870757535) internal successors, (9833), 7366 states have internal predecessors, (9833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7367 states to 7367 states and 9833 transitions. [2022-10-16 03:27:34,972 INFO L78 Accepts]: Start accepts. Automaton has 7367 states and 9833 transitions. Word has length 73 [2022-10-16 03:27:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:34,973 INFO L495 AbstractCegarLoop]: Abstraction has 7367 states and 9833 transitions. [2022-10-16 03:27:34,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7367 states and 9833 transitions. [2022-10-16 03:27:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:27:34,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:34,976 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] [2022-10-16 03:27:34,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:27:34,976 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:34,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1423402598, now seen corresponding path program 1 times [2022-10-16 03:27:34,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:34,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463953955] [2022-10-16 03:27:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:34,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:35,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463953955] [2022-10-16 03:27:35,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463953955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:35,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:35,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:35,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053366886] [2022-10-16 03:27:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:35,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:35,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:35,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:35,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:35,149 INFO L87 Difference]: Start difference. First operand 7367 states and 9833 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:35,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:35,210 INFO L93 Difference]: Finished difference Result 13509 states and 17738 transitions. [2022-10-16 03:27:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:35,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 03:27:35,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:35,231 INFO L225 Difference]: With dead ends: 13509 [2022-10-16 03:27:35,231 INFO L226 Difference]: Without dead ends: 13509 [2022-10-16 03:27:35,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:35,234 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 93 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:35,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:35,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13509 states. [2022-10-16 03:27:35,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13509 to 12331. [2022-10-16 03:27:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12331 states, 12330 states have (on average 1.3220600162206002) internal successors, (16301), 12330 states have internal predecessors, (16301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12331 states to 12331 states and 16301 transitions. [2022-10-16 03:27:35,428 INFO L78 Accepts]: Start accepts. Automaton has 12331 states and 16301 transitions. Word has length 74 [2022-10-16 03:27:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:35,429 INFO L495 AbstractCegarLoop]: Abstraction has 12331 states and 16301 transitions. [2022-10-16 03:27:35,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12331 states and 16301 transitions. [2022-10-16 03:27:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:27:35,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:35,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:27:35,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:27:35,431 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:35,432 INFO L85 PathProgramCache]: Analyzing trace with hash 2071973989, now seen corresponding path program 1 times [2022-10-16 03:27:35,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:35,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808935437] [2022-10-16 03:27:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:35,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:35,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:35,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808935437] [2022-10-16 03:27:35,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808935437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:35,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:35,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:27:35,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198778022] [2022-10-16 03:27:35,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:35,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:27:35,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:35,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:27:35,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:27:35,665 INFO L87 Difference]: Start difference. First operand 12331 states and 16301 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:35,800 INFO L93 Difference]: Finished difference Result 26361 states and 33908 transitions. [2022-10-16 03:27:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:27:35,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 03:27:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:35,834 INFO L225 Difference]: With dead ends: 26361 [2022-10-16 03:27:35,834 INFO L226 Difference]: Without dead ends: 26361 [2022-10-16 03:27:35,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:27:35,836 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 327 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:35,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 980 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:35,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26361 states. [2022-10-16 03:27:36,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26361 to 13603. [2022-10-16 03:27:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13603 states, 13602 states have (on average 1.2919423614174386) internal successors, (17573), 13602 states have internal predecessors, (17573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13603 states to 13603 states and 17573 transitions. [2022-10-16 03:27:36,140 INFO L78 Accepts]: Start accepts. Automaton has 13603 states and 17573 transitions. Word has length 77 [2022-10-16 03:27:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:36,140 INFO L495 AbstractCegarLoop]: Abstraction has 13603 states and 17573 transitions. [2022-10-16 03:27:36,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 13603 states and 17573 transitions. [2022-10-16 03:27:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 03:27:36,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:36,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:27:36,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:27:36,143 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:36,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:36,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1914492299, now seen corresponding path program 1 times [2022-10-16 03:27:36,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:36,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995615566] [2022-10-16 03:27:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:36,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:36,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:36,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995615566] [2022-10-16 03:27:36,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995615566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:27:36,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:27:36,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:27:36,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973708130] [2022-10-16 03:27:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:27:36,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:27:36,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:36,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:27:36,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:36,229 INFO L87 Difference]: Start difference. First operand 13603 states and 17573 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:36,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:27:36,360 INFO L93 Difference]: Finished difference Result 20221 states and 25634 transitions. [2022-10-16 03:27:36,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:27:36,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 03:27:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:27:36,387 INFO L225 Difference]: With dead ends: 20221 [2022-10-16 03:27:36,387 INFO L226 Difference]: Without dead ends: 20221 [2022-10-16 03:27:36,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:27:36,388 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 129 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:27:36,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 338 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:27:36,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20221 states. [2022-10-16 03:27:36,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20221 to 20219. [2022-10-16 03:27:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20219 states, 20218 states have (on average 1.2678306459590465) internal successors, (25633), 20218 states have internal predecessors, (25633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20219 states to 20219 states and 25633 transitions. [2022-10-16 03:27:36,730 INFO L78 Accepts]: Start accepts. Automaton has 20219 states and 25633 transitions. Word has length 78 [2022-10-16 03:27:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:27:36,730 INFO L495 AbstractCegarLoop]: Abstraction has 20219 states and 25633 transitions. [2022-10-16 03:27:36,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:27:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 20219 states and 25633 transitions. [2022-10-16 03:27:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:27:36,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:27:36,737 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:27:36,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:27:36,738 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:27:36,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:27:36,739 INFO L85 PathProgramCache]: Analyzing trace with hash 660908331, now seen corresponding path program 1 times [2022-10-16 03:27:36,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:27:36,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206067749] [2022-10-16 03:27:36,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:27:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:37,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:27:37,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206067749] [2022-10-16 03:27:37,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206067749] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:27:37,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025200069] [2022-10-16 03:27:37,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:27:37,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:27:37,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:27:37,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:27:37,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 03:27:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:27:37,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 03:27:37,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:27:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:38,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:27:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:27:40,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025200069] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:27:40,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:27:40,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 31 [2022-10-16 03:27:40,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434708945] [2022-10-16 03:27:40,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:27:40,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 03:27:40,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:27:40,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 03:27:40,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2022-10-16 03:27:40,016 INFO L87 Difference]: Start difference. First operand 20219 states and 25633 transitions. Second operand has 32 states, 32 states have (on average 8.0) internal successors, (256), 31 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:28:20,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:28:20,791 INFO L93 Difference]: Finished difference Result 286989 states and 355479 transitions. [2022-10-16 03:28:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2022-10-16 03:28:20,792 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 8.0) internal successors, (256), 31 states have internal predecessors, (256), 0 states have call successors, (0), 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 97 [2022-10-16 03:28:20,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:28:21,297 INFO L225 Difference]: With dead ends: 286989 [2022-10-16 03:28:21,298 INFO L226 Difference]: Without dead ends: 286989 [2022-10-16 03:28:21,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45557 ImplicationChecksByTransitivity, 30.6s TimeCoverageRelationStatistics Valid=15003, Invalid=92253, Unknown=0, NotChecked=0, Total=107256 [2022-10-16 03:28:21,315 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 9963 mSDsluCounter, 11274 mSDsCounter, 0 mSdLazyCounter, 10542 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9963 SdHoareTripleChecker+Valid, 11697 SdHoareTripleChecker+Invalid, 10957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 10542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:28:21,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9963 Valid, 11697 Invalid, 10957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [415 Valid, 10542 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-16 03:28:21,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286989 states. [2022-10-16 03:28:23,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286989 to 20774. [2022-10-16 03:28:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20774 states, 20773 states have (on average 1.2666923410195927) internal successors, (26313), 20773 states have internal predecessors, (26313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:28:23,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20774 states to 20774 states and 26313 transitions. [2022-10-16 03:28:23,410 INFO L78 Accepts]: Start accepts. Automaton has 20774 states and 26313 transitions. Word has length 97 [2022-10-16 03:28:23,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:28:23,410 INFO L495 AbstractCegarLoop]: Abstraction has 20774 states and 26313 transitions. [2022-10-16 03:28:23,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.0) internal successors, (256), 31 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:28:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 20774 states and 26313 transitions. [2022-10-16 03:28:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:28:23,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:28:23,418 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:28:23,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 03:28:23,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-10-16 03:28:23,633 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:28:23,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:28:23,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1181943881, now seen corresponding path program 1 times [2022-10-16 03:28:23,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:28:23,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987008357] [2022-10-16 03:28:23,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:28:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:28:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:28:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:28:24,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:28:24,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987008357] [2022-10-16 03:28:24,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987008357] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:28:24,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971357561] [2022-10-16 03:28:24,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:28:24,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:28:24,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:28:24,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:28:24,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 03:28:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:28:24,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 03:28:24,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:28:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:28:26,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:28:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:28:27,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971357561] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:28:27,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:28:27,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 31 [2022-10-16 03:28:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035933324] [2022-10-16 03:28:27,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:28:27,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 03:28:27,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:28:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 03:28:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2022-10-16 03:28:27,445 INFO L87 Difference]: Start difference. First operand 20774 states and 26313 transitions. Second operand has 32 states, 32 states have (on average 8.125) internal successors, (260), 31 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:01,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:01,653 INFO L93 Difference]: Finished difference Result 200255 states and 248481 transitions. [2022-10-16 03:29:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-10-16 03:29:01,654 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 8.125) internal successors, (260), 31 states have internal predecessors, (260), 0 states have call successors, (0), 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 97 [2022-10-16 03:29:01,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:01,930 INFO L225 Difference]: With dead ends: 200255 [2022-10-16 03:29:01,930 INFO L226 Difference]: Without dead ends: 200255 [2022-10-16 03:29:01,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41914 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=15186, Invalid=81224, Unknown=0, NotChecked=0, Total=96410 [2022-10-16 03:29:01,942 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 9414 mSDsluCounter, 7665 mSDsCounter, 0 mSdLazyCounter, 7403 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9414 SdHoareTripleChecker+Valid, 8098 SdHoareTripleChecker+Invalid, 7925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 7403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:01,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9414 Valid, 8098 Invalid, 7925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 7403 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 03:29:02,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200255 states. [2022-10-16 03:29:03,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200255 to 44582. [2022-10-16 03:29:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44582 states, 44581 states have (on average 1.2687692066126826) internal successors, (56563), 44581 states have internal predecessors, (56563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44582 states to 44582 states and 56563 transitions. [2022-10-16 03:29:03,422 INFO L78 Accepts]: Start accepts. Automaton has 44582 states and 56563 transitions. Word has length 97 [2022-10-16 03:29:03,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:03,422 INFO L495 AbstractCegarLoop]: Abstraction has 44582 states and 56563 transitions. [2022-10-16 03:29:03,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.125) internal successors, (260), 31 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:03,422 INFO L276 IsEmpty]: Start isEmpty. Operand 44582 states and 56563 transitions. [2022-10-16 03:29:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:29:03,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:03,432 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:03,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 03:29:03,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-10-16 03:29:03,648 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1555869417, now seen corresponding path program 1 times [2022-10-16 03:29:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:03,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066426246] [2022-10-16 03:29:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:04,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:04,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066426246] [2022-10-16 03:29:04,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066426246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:04,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:04,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:29:04,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240028772] [2022-10-16 03:29:04,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:04,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:29:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:04,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:29:04,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:29:04,458 INFO L87 Difference]: Start difference. First operand 44582 states and 56563 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:05,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:05,709 INFO L93 Difference]: Finished difference Result 107555 states and 134975 transitions. [2022-10-16 03:29:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:29:05,710 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 03:29:05,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:05,825 INFO L225 Difference]: With dead ends: 107555 [2022-10-16 03:29:05,825 INFO L226 Difference]: Without dead ends: 107555 [2022-10-16 03:29:05,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:29:05,826 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1004 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:05,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 1106 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:29:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107555 states. [2022-10-16 03:29:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107555 to 65880. [2022-10-16 03:29:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65880 states, 65879 states have (on average 1.2680672141350051) internal successors, (83539), 65879 states have internal predecessors, (83539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65880 states to 65880 states and 83539 transitions. [2022-10-16 03:29:06,926 INFO L78 Accepts]: Start accepts. Automaton has 65880 states and 83539 transitions. Word has length 97 [2022-10-16 03:29:06,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:06,927 INFO L495 AbstractCegarLoop]: Abstraction has 65880 states and 83539 transitions. [2022-10-16 03:29:06,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 65880 states and 83539 transitions. [2022-10-16 03:29:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:29:06,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:06,945 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:06,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:29:06,946 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash 895493892, now seen corresponding path program 1 times [2022-10-16 03:29:06,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:06,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776845547] [2022-10-16 03:29:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:06,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 03:29:07,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:07,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776845547] [2022-10-16 03:29:07,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776845547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:07,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:07,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:07,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282375638] [2022-10-16 03:29:07,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:07,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:07,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:07,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:07,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:07,010 INFO L87 Difference]: Start difference. First operand 65880 states and 83539 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:07,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:07,559 INFO L93 Difference]: Finished difference Result 65224 states and 81928 transitions. [2022-10-16 03:29:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:07,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 98 [2022-10-16 03:29:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:07,935 INFO L225 Difference]: With dead ends: 65224 [2022-10-16 03:29:07,935 INFO L226 Difference]: Without dead ends: 65224 [2022-10-16 03:29:07,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:07,941 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 155 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:07,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 200 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:07,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65224 states. [2022-10-16 03:29:08,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65224 to 65224. [2022-10-16 03:29:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65224 states, 65223 states have (on average 1.2561213069009398) internal successors, (81928), 65223 states have internal predecessors, (81928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65224 states to 65224 states and 81928 transitions. [2022-10-16 03:29:08,976 INFO L78 Accepts]: Start accepts. Automaton has 65224 states and 81928 transitions. Word has length 98 [2022-10-16 03:29:08,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:08,976 INFO L495 AbstractCegarLoop]: Abstraction has 65224 states and 81928 transitions. [2022-10-16 03:29:08,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 65224 states and 81928 transitions. [2022-10-16 03:29:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:29:08,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:08,998 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:08,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:29:08,998 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:08,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:08,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1457480844, now seen corresponding path program 1 times [2022-10-16 03:29:08,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:08,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816345516] [2022-10-16 03:29:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:09,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:09,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816345516] [2022-10-16 03:29:09,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816345516] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:29:09,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020635284] [2022-10-16 03:29:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:09,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:09,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:29:09,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 03:29:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:09,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 03:29:09,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:29:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:29:10,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 03:29:10,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020635284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:10,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 03:29:10,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2022-10-16 03:29:10,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624484964] [2022-10-16 03:29:10,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:10,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:29:10,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:10,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:29:10,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:29:10,656 INFO L87 Difference]: Start difference. First operand 65224 states and 81928 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:12,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:12,056 INFO L93 Difference]: Finished difference Result 132575 states and 166416 transitions. [2022-10-16 03:29:12,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:29:12,057 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 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 98 [2022-10-16 03:29:12,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:12,214 INFO L225 Difference]: With dead ends: 132575 [2022-10-16 03:29:12,215 INFO L226 Difference]: Without dead ends: 132575 [2022-10-16 03:29:12,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2022-10-16 03:29:12,215 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1732 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:12,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 1882 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:29:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132575 states. [2022-10-16 03:29:13,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132575 to 69764. [2022-10-16 03:29:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69764 states, 69763 states have (on average 1.2558949586457004) internal successors, (87615), 69763 states have internal predecessors, (87615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69764 states to 69764 states and 87615 transitions. [2022-10-16 03:29:13,588 INFO L78 Accepts]: Start accepts. Automaton has 69764 states and 87615 transitions. Word has length 98 [2022-10-16 03:29:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:13,588 INFO L495 AbstractCegarLoop]: Abstraction has 69764 states and 87615 transitions. [2022-10-16 03:29:13,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 69764 states and 87615 transitions. [2022-10-16 03:29:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:29:13,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:13,598 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:13,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 03:29:13,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:13,812 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1075425582, now seen corresponding path program 1 times [2022-10-16 03:29:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:13,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80017180] [2022-10-16 03:29:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:13,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:13,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:13,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80017180] [2022-10-16 03:29:13,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80017180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:13,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:13,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:13,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951401478] [2022-10-16 03:29:13,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:13,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:13,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:13,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:13,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:13,917 INFO L87 Difference]: Start difference. First operand 69764 states and 87615 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:14,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:14,421 INFO L93 Difference]: Finished difference Result 69766 states and 85954 transitions. [2022-10-16 03:29:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:14,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 03:29:14,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:14,503 INFO L225 Difference]: With dead ends: 69766 [2022-10-16 03:29:14,503 INFO L226 Difference]: Without dead ends: 69766 [2022-10-16 03:29:14,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:14,505 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 91 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:14,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 354 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:14,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69766 states. [2022-10-16 03:29:15,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69766 to 67445. [2022-10-16 03:29:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67445 states, 67444 states have (on average 1.236892829606785) internal successors, (83421), 67444 states have internal predecessors, (83421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67445 states to 67445 states and 83421 transitions. [2022-10-16 03:29:15,585 INFO L78 Accepts]: Start accepts. Automaton has 67445 states and 83421 transitions. Word has length 98 [2022-10-16 03:29:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:15,588 INFO L495 AbstractCegarLoop]: Abstraction has 67445 states and 83421 transitions. [2022-10-16 03:29:15,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 67445 states and 83421 transitions. [2022-10-16 03:29:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:29:15,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:15,611 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:15,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:29:15,611 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash 385575852, now seen corresponding path program 1 times [2022-10-16 03:29:15,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:15,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971650521] [2022-10-16 03:29:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:15,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:15,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:15,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971650521] [2022-10-16 03:29:15,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971650521] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:29:15,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39622194] [2022-10-16 03:29:15,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:15,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:15,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:15,874 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:29:15,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 03:29:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:15,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 03:29:15,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:29:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 03:29:17,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 03:29:17,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39622194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:17,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 03:29:17,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2022-10-16 03:29:17,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15400642] [2022-10-16 03:29:17,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:17,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:29:17,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:17,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:29:17,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:29:17,252 INFO L87 Difference]: Start difference. First operand 67445 states and 83421 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:18,513 INFO L93 Difference]: Finished difference Result 93105 states and 115119 transitions. [2022-10-16 03:29:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:29:18,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 0 states have call successors, (0), 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 98 [2022-10-16 03:29:18,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:18,613 INFO L225 Difference]: With dead ends: 93105 [2022-10-16 03:29:18,613 INFO L226 Difference]: Without dead ends: 93105 [2022-10-16 03:29:18,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2022-10-16 03:29:18,614 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1753 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:18,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 2018 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:29:18,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93105 states. [2022-10-16 03:29:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93105 to 73499. [2022-10-16 03:29:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73499 states, 73498 states have (on average 1.2368635881248469) internal successors, (90907), 73498 states have internal predecessors, (90907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73499 states to 73499 states and 90907 transitions. [2022-10-16 03:29:19,866 INFO L78 Accepts]: Start accepts. Automaton has 73499 states and 90907 transitions. Word has length 98 [2022-10-16 03:29:19,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:19,866 INFO L495 AbstractCegarLoop]: Abstraction has 73499 states and 90907 transitions. [2022-10-16 03:29:19,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 73499 states and 90907 transitions. [2022-10-16 03:29:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:29:19,872 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:19,872 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:19,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 03:29:20,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:20,087 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:20,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:20,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1955691884, now seen corresponding path program 1 times [2022-10-16 03:29:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:20,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309119247] [2022-10-16 03:29:20,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:20,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:20,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309119247] [2022-10-16 03:29:20,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309119247] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:29:20,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129652312] [2022-10-16 03:29:20,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:20,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:20,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:20,384 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:29:20,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 03:29:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:20,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-16 03:29:20,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:29:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 03:29:21,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 03:29:21,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129652312] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:21,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 03:29:21,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2022-10-16 03:29:21,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113072479] [2022-10-16 03:29:21,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:21,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:29:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:29:21,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:29:21,133 INFO L87 Difference]: Start difference. First operand 73499 states and 90907 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:21,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:21,962 INFO L93 Difference]: Finished difference Result 92881 states and 114763 transitions. [2022-10-16 03:29:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:29:21,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 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 98 [2022-10-16 03:29:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:22,046 INFO L225 Difference]: With dead ends: 92881 [2022-10-16 03:29:22,046 INFO L226 Difference]: Without dead ends: 92881 [2022-10-16 03:29:22,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:29:22,047 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 1129 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:22,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 1587 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:29:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92881 states. [2022-10-16 03:29:23,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92881 to 79082. [2022-10-16 03:29:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79082 states, 79081 states have (on average 1.2371239615078211) internal successors, (97833), 79081 states have internal predecessors, (97833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79082 states to 79082 states and 97833 transitions. [2022-10-16 03:29:23,352 INFO L78 Accepts]: Start accepts. Automaton has 79082 states and 97833 transitions. Word has length 98 [2022-10-16 03:29:23,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:23,353 INFO L495 AbstractCegarLoop]: Abstraction has 79082 states and 97833 transitions. [2022-10-16 03:29:23,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 79082 states and 97833 transitions. [2022-10-16 03:29:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:29:23,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:23,358 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:23,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 03:29:23,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:23,571 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:23,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2037821617, now seen corresponding path program 1 times [2022-10-16 03:29:23,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:23,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602307095] [2022-10-16 03:29:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:29:23,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:23,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602307095] [2022-10-16 03:29:23,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602307095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:23,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:23,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:29:23,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921088363] [2022-10-16 03:29:23,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:23,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:29:23,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:23,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:29:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:29:23,652 INFO L87 Difference]: Start difference. First operand 79082 states and 97833 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:24,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:24,656 INFO L93 Difference]: Finished difference Result 161023 states and 197883 transitions. [2022-10-16 03:29:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:24,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 [2022-10-16 03:29:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:24,966 INFO L225 Difference]: With dead ends: 161023 [2022-10-16 03:29:24,967 INFO L226 Difference]: Without dead ends: 161023 [2022-10-16 03:29:24,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:24,968 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 371 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:24,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 500 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:29:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161023 states. [2022-10-16 03:29:26,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161023 to 87612. [2022-10-16 03:29:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87612 states, 87611 states have (on average 1.2350275650317883) internal successors, (108202), 87611 states have internal predecessors, (108202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87612 states to 87612 states and 108202 transitions. [2022-10-16 03:29:26,648 INFO L78 Accepts]: Start accepts. Automaton has 87612 states and 108202 transitions. Word has length 101 [2022-10-16 03:29:26,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:26,648 INFO L495 AbstractCegarLoop]: Abstraction has 87612 states and 108202 transitions. [2022-10-16 03:29:26,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 87612 states and 108202 transitions. [2022-10-16 03:29:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:29:26,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:26,654 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:26,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 03:29:26,654 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash -187177334, now seen corresponding path program 1 times [2022-10-16 03:29:26,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:26,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162693943] [2022-10-16 03:29:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:26,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:27,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:27,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162693943] [2022-10-16 03:29:27,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162693943] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:29:27,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733624626] [2022-10-16 03:29:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:27,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:27,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:27,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:29:27,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 03:29:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:27,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 03:29:27,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:29:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:28,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:29:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:28,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733624626] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:29:28,591 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:29:28,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6] total 9 [2022-10-16 03:29:28,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282415584] [2022-10-16 03:29:28,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:29:28,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:29:28,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:28,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:29:28,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:29:28,593 INFO L87 Difference]: Start difference. First operand 87612 states and 108202 transitions. Second operand has 9 states, 9 states have (on average 24.666666666666668) internal successors, (222), 9 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:29,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:29,462 INFO L93 Difference]: Finished difference Result 236492 states and 290162 transitions. [2022-10-16 03:29:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:29:29,463 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.666666666666668) internal successors, (222), 9 states have internal predecessors, (222), 0 states have call successors, (0), 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 [2022-10-16 03:29:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:29,735 INFO L225 Difference]: With dead ends: 236492 [2022-10-16 03:29:29,735 INFO L226 Difference]: Without dead ends: 236492 [2022-10-16 03:29:29,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:29:29,736 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1106 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:29,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 892 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:29,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236492 states. [2022-10-16 03:29:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236492 to 227766. [2022-10-16 03:29:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227766 states, 227765 states have (on average 1.2263385506991855) internal successors, (279317), 227765 states have internal predecessors, (279317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227766 states to 227766 states and 279317 transitions. [2022-10-16 03:29:33,858 INFO L78 Accepts]: Start accepts. Automaton has 227766 states and 279317 transitions. Word has length 101 [2022-10-16 03:29:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:33,858 INFO L495 AbstractCegarLoop]: Abstraction has 227766 states and 279317 transitions. [2022-10-16 03:29:33,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.666666666666668) internal successors, (222), 9 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 227766 states and 279317 transitions. [2022-10-16 03:29:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 03:29:33,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:33,864 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:33,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 03:29:34,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:34,065 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:34,067 INFO L85 PathProgramCache]: Analyzing trace with hash 505735159, now seen corresponding path program 1 times [2022-10-16 03:29:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:34,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877252795] [2022-10-16 03:29:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:34,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:34,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877252795] [2022-10-16 03:29:34,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877252795] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:29:34,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275994741] [2022-10-16 03:29:34,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:34,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:29:34,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 03:29:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:34,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 03:29:34,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:29:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:34,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:29:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:34,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275994741] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:29:34,770 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:29:34,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-16 03:29:34,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617496242] [2022-10-16 03:29:34,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:29:34,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:29:34,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:34,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:29:34,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:29:34,772 INFO L87 Difference]: Start difference. First operand 227766 states and 279317 transitions. Second operand has 14 states, 14 states have (on average 20.357142857142858) internal successors, (285), 14 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:36,994 INFO L93 Difference]: Finished difference Result 363681 states and 436368 transitions. [2022-10-16 03:29:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:29:36,995 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.357142857142858) internal successors, (285), 14 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 03:29:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:37,516 INFO L225 Difference]: With dead ends: 363681 [2022-10-16 03:29:37,516 INFO L226 Difference]: Without dead ends: 363681 [2022-10-16 03:29:37,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:29:37,517 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 3016 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3016 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:37,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3016 Valid, 648 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:29:37,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363681 states. [2022-10-16 03:29:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363681 to 245643. [2022-10-16 03:29:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245643 states, 245642 states have (on average 1.2193191718028675) internal successors, (299516), 245642 states have internal predecessors, (299516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245643 states to 245643 states and 299516 transitions. [2022-10-16 03:29:42,479 INFO L78 Accepts]: Start accepts. Automaton has 245643 states and 299516 transitions. Word has length 107 [2022-10-16 03:29:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:42,480 INFO L495 AbstractCegarLoop]: Abstraction has 245643 states and 299516 transitions. [2022-10-16 03:29:42,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.357142857142858) internal successors, (285), 14 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 245643 states and 299516 transitions. [2022-10-16 03:29:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:29:42,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:42,488 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:42,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 03:29:42,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:42,689 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash 84880972, now seen corresponding path program 1 times [2022-10-16 03:29:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:42,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490299180] [2022-10-16 03:29:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 03:29:42,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:42,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490299180] [2022-10-16 03:29:42,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490299180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:42,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:42,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:29:42,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534112308] [2022-10-16 03:29:42,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:42,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:29:42,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:42,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:29:42,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:29:42,781 INFO L87 Difference]: Start difference. First operand 245643 states and 299516 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:44,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:44,925 INFO L93 Difference]: Finished difference Result 454931 states and 549859 transitions. [2022-10-16 03:29:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:44,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 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 110 [2022-10-16 03:29:44,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:46,415 INFO L225 Difference]: With dead ends: 454931 [2022-10-16 03:29:46,415 INFO L226 Difference]: Without dead ends: 454931 [2022-10-16 03:29:46,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:46,420 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 372 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:46,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 517 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:29:46,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454931 states. [2022-10-16 03:29:51,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454931 to 275842. [2022-10-16 03:29:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275842 states, 275841 states have (on average 1.2165776661192498) internal successors, (335582), 275841 states have internal predecessors, (335582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275842 states to 275842 states and 335582 transitions. [2022-10-16 03:29:52,497 INFO L78 Accepts]: Start accepts. Automaton has 275842 states and 335582 transitions. Word has length 110 [2022-10-16 03:29:52,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:52,498 INFO L495 AbstractCegarLoop]: Abstraction has 275842 states and 335582 transitions. [2022-10-16 03:29:52,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 275842 states and 335582 transitions. [2022-10-16 03:29:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 03:29:52,506 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:52,507 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:52,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 03:29:52,509 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:29:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:52,512 INFO L85 PathProgramCache]: Analyzing trace with hash 721442887, now seen corresponding path program 1 times [2022-10-16 03:29:52,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:52,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632556341] [2022-10-16 03:29:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:52,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:54,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:54,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632556341] [2022-10-16 03:29:54,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632556341] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:29:54,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693131062] [2022-10-16 03:29:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:54,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:29:54,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:54,248 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:29:54,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 03:29:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:54,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 03:29:54,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:29:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:55,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:29:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:57,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693131062] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:29:57,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:29:57,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 36 [2022-10-16 03:29:57,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816688454] [2022-10-16 03:29:57,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:29:57,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 03:29:57,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:57,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 03:29:57,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1160, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 03:29:57,085 INFO L87 Difference]: Start difference. First operand 275842 states and 335582 transitions. Second operand has 36 states, 36 states have (on average 8.444444444444445) internal successors, (304), 36 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)