/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/systemc/mem_slave_tlm.2.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:20:47,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:20:47,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:20:47,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:20:47,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:20:47,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:20:47,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:20:47,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:20:47,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:20:47,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:20:47,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:20:47,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:20:47,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:20:47,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:20:47,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:20:47,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:20:47,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:20:47,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:20:47,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:20:47,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:20:47,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:20:47,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:20:47,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:20:47,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:20:47,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 04:20:47,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 04:20:47,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 04:20:47,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 04:20:47,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 04:20:47,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 04:20:47,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 04:20:47,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 04:20:47,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 04:20:47,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:20:47,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:20:47,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:20:47,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:20:47,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:20:47,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:20:47,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:20:47,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:20:47,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:20:47,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:20:47,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:20:47,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:20:47,924 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:20:47,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:20:47,925 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:20:47,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:20:47,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:20:47,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:20:47,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:20:47,926 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:20:47,926 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:20:47,927 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:20:47,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:20:47,927 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:20:47,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:20:47,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:20:47,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:20:47,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:20:47,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:20:47,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:20:47,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:20:47,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:20:47,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:20:47,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:20:47,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:20:48,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:20:48,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:20:48,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:20:48,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:20:48,397 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:20:48,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/mem_slave_tlm.2.cil.c [2022-10-16 04:20:48,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ab8a047a/7b567b9868464233b448be780a3630e8/FLAG7bbe301ab [2022-10-16 04:20:49,236 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:20:49,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.2.cil.c [2022-10-16 04:20:49,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ab8a047a/7b567b9868464233b448be780a3630e8/FLAG7bbe301ab [2022-10-16 04:20:49,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ab8a047a/7b567b9868464233b448be780a3630e8 [2022-10-16 04:20:49,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:20:49,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:20:49,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:20:49,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:20:49,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:20:49,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:49,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5b5bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49, skipping insertion in model container [2022-10-16 04:20:49,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:49,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:20:49,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:20:49,719 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/systemc/mem_slave_tlm.2.cil.c[646,659] [2022-10-16 04:20:49,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:20:49,868 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:20:49,880 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/systemc/mem_slave_tlm.2.cil.c[646,659] [2022-10-16 04:20:49,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:20:49,987 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:20:49,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49 WrapperNode [2022-10-16 04:20:49,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:20:49,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:20:49,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:20:49,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:20:50,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,078 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 851 [2022-10-16 04:20:50,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:20:50,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:20:50,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:20:50,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:20:50,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:20:50,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:20:50,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:20:50,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:20:50,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (1/1) ... [2022-10-16 04:20:50,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:20:50,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:20:50,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:20:50,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:20:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:20:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:20:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 04:20:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 04:20:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:20:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:20:50,498 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:20:50,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:20:51,397 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:20:51,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:20:51,410 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-16 04:20:51,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:20:51 BoogieIcfgContainer [2022-10-16 04:20:51,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:20:51,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:20:51,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:20:51,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:20:51,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:20:49" (1/3) ... [2022-10-16 04:20:51,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74947ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:20:51, skipping insertion in model container [2022-10-16 04:20:51,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:49" (2/3) ... [2022-10-16 04:20:51,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74947ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:20:51, skipping insertion in model container [2022-10-16 04:20:51,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:20:51" (3/3) ... [2022-10-16 04:20:51,424 INFO L112 eAbstractionObserver]: Analyzing ICFG mem_slave_tlm.2.cil.c [2022-10-16 04:20:51,448 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:20:51,448 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 04:20:51,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:20:51,525 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;@174ec723, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:20:51,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 04:20:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 274 states, 265 states have (on average 1.8566037735849057) internal successors, (492), 272 states have internal predecessors, (492), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 04:20:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 04:20:51,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:51,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:20:51,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:51,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:51,550 INFO L85 PathProgramCache]: Analyzing trace with hash -145731123, now seen corresponding path program 1 times [2022-10-16 04:20:51,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:51,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524569703] [2022-10-16 04:20:51,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:51,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:51,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524569703] [2022-10-16 04:20:51,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524569703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:51,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:51,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:51,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934593125] [2022-10-16 04:20:51,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:51,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:51,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:51,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:51,919 INFO L87 Difference]: Start difference. First operand has 274 states, 265 states have (on average 1.8566037735849057) internal successors, (492), 272 states have internal predecessors, (492), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:52,273 INFO L93 Difference]: Finished difference Result 452 states and 701 transitions. [2022-10-16 04:20:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:52,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 04:20:52,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:52,292 INFO L225 Difference]: With dead ends: 452 [2022-10-16 04:20:52,293 INFO L226 Difference]: Without dead ends: 448 [2022-10-16 04:20:52,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,300 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 260 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:52,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 775 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:20:52,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2022-10-16 04:20:52,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 432. [2022-10-16 04:20:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 425 states have (on average 1.5952941176470588) internal successors, (678), 430 states have internal predecessors, (678), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 683 transitions. [2022-10-16 04:20:52,413 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 683 transitions. Word has length 11 [2022-10-16 04:20:52,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:52,413 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 683 transitions. [2022-10-16 04:20:52,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 683 transitions. [2022-10-16 04:20:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 04:20:52,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:52,419 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] [2022-10-16 04:20:52,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:20:52,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:52,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:52,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1663829401, now seen corresponding path program 1 times [2022-10-16 04:20:52,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:52,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395727954] [2022-10-16 04:20:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:52,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:52,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395727954] [2022-10-16 04:20:52,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395727954] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:52,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:52,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:52,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171879282] [2022-10-16 04:20:52,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:52,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:52,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:52,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:52,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,533 INFO L87 Difference]: Start difference. First operand 432 states and 683 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:52,633 INFO L93 Difference]: Finished difference Result 713 states and 1145 transitions. [2022-10-16 04:20:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:52,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2022-10-16 04:20:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:52,638 INFO L225 Difference]: With dead ends: 713 [2022-10-16 04:20:52,638 INFO L226 Difference]: Without dead ends: 713 [2022-10-16 04:20:52,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,641 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 323 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:52,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1022 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:20:52,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-10-16 04:20:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 700. [2022-10-16 04:20:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 693 states have (on average 1.6277056277056277) internal successors, (1128), 698 states have internal predecessors, (1128), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1133 transitions. [2022-10-16 04:20:52,677 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1133 transitions. Word has length 30 [2022-10-16 04:20:52,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:52,678 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 1133 transitions. [2022-10-16 04:20:52,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1133 transitions. [2022-10-16 04:20:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 04:20:52,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:52,681 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] [2022-10-16 04:20:52,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:20:52,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:52,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:52,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1154356311, now seen corresponding path program 1 times [2022-10-16 04:20:52,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:52,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541462993] [2022-10-16 04:20:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:52,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:52,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:52,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541462993] [2022-10-16 04:20:52,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541462993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:52,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:52,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:52,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769549397] [2022-10-16 04:20:52,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:52,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:52,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:52,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:52,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,749 INFO L87 Difference]: Start difference. First operand 700 states and 1133 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:52,763 INFO L93 Difference]: Finished difference Result 689 states and 1116 transitions. [2022-10-16 04:20:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:52,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2022-10-16 04:20:52,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:52,768 INFO L225 Difference]: With dead ends: 689 [2022-10-16 04:20:52,769 INFO L226 Difference]: Without dead ends: 689 [2022-10-16 04:20:52,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,771 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 446 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:52,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 447 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2022-10-16 04:20:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2022-10-16 04:20:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 682 states have (on average 1.6290322580645162) internal successors, (1111), 687 states have internal predecessors, (1111), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1116 transitions. [2022-10-16 04:20:52,801 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1116 transitions. Word has length 30 [2022-10-16 04:20:52,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:52,802 INFO L495 AbstractCegarLoop]: Abstraction has 689 states and 1116 transitions. [2022-10-16 04:20:52,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1116 transitions. [2022-10-16 04:20:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 04:20:52,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:52,814 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] [2022-10-16 04:20:52,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:20:52,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:52,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:52,820 INFO L85 PathProgramCache]: Analyzing trace with hash 851929938, now seen corresponding path program 1 times [2022-10-16 04:20:52,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:52,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012975419] [2022-10-16 04:20:52,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:52,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:52,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012975419] [2022-10-16 04:20:52,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012975419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:52,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:52,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101748130] [2022-10-16 04:20:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:52,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:52,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,921 INFO L87 Difference]: Start difference. First operand 689 states and 1116 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:52,953 INFO L93 Difference]: Finished difference Result 1084 states and 1740 transitions. [2022-10-16 04:20:52,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:52,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-16 04:20:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:52,960 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 04:20:52,960 INFO L226 Difference]: Without dead ends: 1084 [2022-10-16 04:20:52,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:52,962 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 351 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:52,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 814 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:52,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-16 04:20:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1070. [2022-10-16 04:20:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1063 states have (on average 1.6208842897460018) internal successors, (1723), 1068 states have internal predecessors, (1723), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1728 transitions. [2022-10-16 04:20:52,992 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1728 transitions. Word has length 39 [2022-10-16 04:20:52,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:52,993 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 1728 transitions. [2022-10-16 04:20:52,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1728 transitions. [2022-10-16 04:20:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 04:20:52,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:52,995 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 04:20:52,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:20:52,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:52,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2067975836, now seen corresponding path program 1 times [2022-10-16 04:20:52,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:52,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442313657] [2022-10-16 04:20:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:52,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:53,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:53,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442313657] [2022-10-16 04:20:53,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442313657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:53,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:53,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:53,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056936094] [2022-10-16 04:20:53,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:53,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:53,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:53,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:53,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:53,084 INFO L87 Difference]: Start difference. First operand 1070 states and 1728 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:53,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:53,174 INFO L93 Difference]: Finished difference Result 1697 states and 2769 transitions. [2022-10-16 04:20:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:53,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-10-16 04:20:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:53,184 INFO L225 Difference]: With dead ends: 1697 [2022-10-16 04:20:53,184 INFO L226 Difference]: Without dead ends: 1697 [2022-10-16 04:20:53,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:53,186 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 395 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:53,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1125 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:20:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2022-10-16 04:20:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1076. [2022-10-16 04:20:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1069 states have (on average 1.6145930776426567) internal successors, (1726), 1074 states have internal predecessors, (1726), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1731 transitions. [2022-10-16 04:20:53,227 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1731 transitions. Word has length 43 [2022-10-16 04:20:53,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:53,228 INFO L495 AbstractCegarLoop]: Abstraction has 1076 states and 1731 transitions. [2022-10-16 04:20:53,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1731 transitions. [2022-10-16 04:20:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 04:20:53,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:53,231 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 04:20:53,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:20:53,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:53,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1734393816, now seen corresponding path program 1 times [2022-10-16 04:20:53,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:53,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007679378] [2022-10-16 04:20:53,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:53,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:53,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:53,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007679378] [2022-10-16 04:20:53,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007679378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:53,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:53,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:20:53,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50695768] [2022-10-16 04:20:53,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:53,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:20:53,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:53,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:20:53,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:20:53,348 INFO L87 Difference]: Start difference. First operand 1076 states and 1731 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:53,643 INFO L93 Difference]: Finished difference Result 1642 states and 2661 transitions. [2022-10-16 04:20:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:20:53,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-16 04:20:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:53,652 INFO L225 Difference]: With dead ends: 1642 [2022-10-16 04:20:53,653 INFO L226 Difference]: Without dead ends: 1642 [2022-10-16 04:20:53,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:20:53,659 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 519 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:53,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1579 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:20:53,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2022-10-16 04:20:53,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1460. [2022-10-16 04:20:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1453 states have (on average 1.6194081211286993) internal successors, (2353), 1458 states have internal predecessors, (2353), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2358 transitions. [2022-10-16 04:20:53,703 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2358 transitions. Word has length 44 [2022-10-16 04:20:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:53,705 INFO L495 AbstractCegarLoop]: Abstraction has 1460 states and 2358 transitions. [2022-10-16 04:20:53,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2358 transitions. [2022-10-16 04:20:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 04:20:53,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:53,707 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 04:20:53,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:20:53,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:53,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:53,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1086799488, now seen corresponding path program 1 times [2022-10-16 04:20:53,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:53,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22790940] [2022-10-16 04:20:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:53,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:53,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:53,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22790940] [2022-10-16 04:20:53,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22790940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:53,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:53,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:20:53,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291023104] [2022-10-16 04:20:53,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:53,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:20:53,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:53,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:20:53,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:20:53,860 INFO L87 Difference]: Start difference. First operand 1460 states and 2358 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:54,246 INFO L93 Difference]: Finished difference Result 2925 states and 4526 transitions. [2022-10-16 04:20:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:20:54,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 04:20:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:54,274 INFO L225 Difference]: With dead ends: 2925 [2022-10-16 04:20:54,274 INFO L226 Difference]: Without dead ends: 2925 [2022-10-16 04:20:54,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:20:54,279 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 666 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:54,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 1092 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:20:54,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2022-10-16 04:20:54,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2593. [2022-10-16 04:20:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2593 states, 2586 states have (on average 1.591260634184068) internal successors, (4115), 2591 states have internal predecessors, (4115), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 4120 transitions. [2022-10-16 04:20:54,426 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 4120 transitions. Word has length 53 [2022-10-16 04:20:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:54,426 INFO L495 AbstractCegarLoop]: Abstraction has 2593 states and 4120 transitions. [2022-10-16 04:20:54,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 4120 transitions. [2022-10-16 04:20:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 04:20:54,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:54,428 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 04:20:54,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:20:54,429 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:54,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:54,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1057984649, now seen corresponding path program 1 times [2022-10-16 04:20:54,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:54,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755017510] [2022-10-16 04:20:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:54,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:54,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:54,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755017510] [2022-10-16 04:20:54,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755017510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:54,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:54,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:54,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996510369] [2022-10-16 04:20:54,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:54,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:54,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:54,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:54,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:54,488 INFO L87 Difference]: Start difference. First operand 2593 states and 4120 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:54,530 INFO L93 Difference]: Finished difference Result 2994 states and 4779 transitions. [2022-10-16 04:20:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:54,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 04:20:54,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:54,546 INFO L225 Difference]: With dead ends: 2994 [2022-10-16 04:20:54,546 INFO L226 Difference]: Without dead ends: 2994 [2022-10-16 04:20:54,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:54,547 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 366 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 703 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 04:20:54,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 703 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:54,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2022-10-16 04:20:54,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2652. [2022-10-16 04:20:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 2645 states have (on average 1.6022684310018904) internal successors, (4238), 2650 states have internal predecessors, (4238), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 4243 transitions. [2022-10-16 04:20:54,621 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 4243 transitions. Word has length 53 [2022-10-16 04:20:54,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:54,621 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 4243 transitions. [2022-10-16 04:20:54,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 4243 transitions. [2022-10-16 04:20:54,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 04:20:54,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:54,624 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 04:20:54,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:20:54,624 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:54,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:54,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1793836128, now seen corresponding path program 1 times [2022-10-16 04:20:54,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:54,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924976215] [2022-10-16 04:20:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:54,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:54,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:54,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924976215] [2022-10-16 04:20:54,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924976215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:54,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:54,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:54,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175801623] [2022-10-16 04:20:54,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:54,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:54,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:54,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:54,690 INFO L87 Difference]: Start difference. First operand 2652 states and 4243 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:54,909 INFO L93 Difference]: Finished difference Result 4152 states and 6221 transitions. [2022-10-16 04:20:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:54,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 04:20:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:54,930 INFO L225 Difference]: With dead ends: 4152 [2022-10-16 04:20:54,930 INFO L226 Difference]: Without dead ends: 4152 [2022-10-16 04:20:54,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:54,931 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 251 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:54,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 850 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:20:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4152 states. [2022-10-16 04:20:55,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4152 to 3416. [2022-10-16 04:20:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3416 states, 3409 states have (on average 1.520973892637137) internal successors, (5185), 3414 states have internal predecessors, (5185), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 5190 transitions. [2022-10-16 04:20:55,044 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 5190 transitions. Word has length 59 [2022-10-16 04:20:55,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:55,044 INFO L495 AbstractCegarLoop]: Abstraction has 3416 states and 5190 transitions. [2022-10-16 04:20:55,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 5190 transitions. [2022-10-16 04:20:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 04:20:55,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:55,046 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 04:20:55,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:20:55,047 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:55,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash 943798505, now seen corresponding path program 1 times [2022-10-16 04:20:55,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:55,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990433857] [2022-10-16 04:20:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:55,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:55,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:55,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990433857] [2022-10-16 04:20:55,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990433857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:55,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:55,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:55,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720591395] [2022-10-16 04:20:55,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:55,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:55,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:55,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:55,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:55,141 INFO L87 Difference]: Start difference. First operand 3416 states and 5190 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 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 04:20:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:55,213 INFO L93 Difference]: Finished difference Result 5915 states and 8802 transitions. [2022-10-16 04:20:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:55,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 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 04:20:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:55,241 INFO L225 Difference]: With dead ends: 5915 [2022-10-16 04:20:55,241 INFO L226 Difference]: Without dead ends: 5915 [2022-10-16 04:20:55,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:55,243 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 333 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:55,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1088 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:55,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5915 states. [2022-10-16 04:20:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5915 to 5387. [2022-10-16 04:20:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5380 states have (on average 1.4825278810408922) internal successors, (7976), 5385 states have internal predecessors, (7976), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7981 transitions. [2022-10-16 04:20:55,380 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7981 transitions. Word has length 60 [2022-10-16 04:20:55,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:55,381 INFO L495 AbstractCegarLoop]: Abstraction has 5387 states and 7981 transitions. [2022-10-16 04:20:55,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 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 04:20:55,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7981 transitions. [2022-10-16 04:20:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 04:20:55,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:55,384 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] [2022-10-16 04:20:55,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:20:55,384 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:55,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1530108404, now seen corresponding path program 1 times [2022-10-16 04:20:55,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:55,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386745112] [2022-10-16 04:20:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:55,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:55,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:55,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386745112] [2022-10-16 04:20:55,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386745112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:55,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:55,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:55,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377170161] [2022-10-16 04:20:55,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:55,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:55,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:55,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:55,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:55,492 INFO L87 Difference]: Start difference. First operand 5387 states and 7981 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:55,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:55,550 INFO L93 Difference]: Finished difference Result 5257 states and 7630 transitions. [2022-10-16 04:20:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:55,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 04:20:55,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:55,594 INFO L225 Difference]: With dead ends: 5257 [2022-10-16 04:20:55,595 INFO L226 Difference]: Without dead ends: 5257 [2022-10-16 04:20:55,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:55,596 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 343 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:55,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 441 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:55,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5257 states. [2022-10-16 04:20:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5257 to 5257. [2022-10-16 04:20:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 5250 states have (on average 1.4523809523809523) internal successors, (7625), 5255 states have internal predecessors, (7625), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7630 transitions. [2022-10-16 04:20:55,746 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7630 transitions. Word has length 61 [2022-10-16 04:20:55,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:55,747 INFO L495 AbstractCegarLoop]: Abstraction has 5257 states and 7630 transitions. [2022-10-16 04:20:55,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7630 transitions. [2022-10-16 04:20:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 04:20:55,756 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:55,757 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 04:20:55,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:20:55,757 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:55,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2090251541, now seen corresponding path program 1 times [2022-10-16 04:20:55,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:55,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273525831] [2022-10-16 04:20:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:55,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 04:20:55,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:55,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273525831] [2022-10-16 04:20:55,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273525831] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:55,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:55,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:55,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285991740] [2022-10-16 04:20:55,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:55,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:55,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:55,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:55,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:55,823 INFO L87 Difference]: Start difference. First operand 5257 states and 7630 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 04:20:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:55,856 INFO L93 Difference]: Finished difference Result 5240 states and 7608 transitions. [2022-10-16 04:20:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:55,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 60 [2022-10-16 04:20:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:55,870 INFO L225 Difference]: With dead ends: 5240 [2022-10-16 04:20:55,870 INFO L226 Difference]: Without dead ends: 5240 [2022-10-16 04:20:55,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:55,871 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 425 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:55,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 427 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:55,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-10-16 04:20:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 5240. [2022-10-16 04:20:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5240 states, 5233 states have (on average 1.452895088859163) internal successors, (7603), 5238 states have internal predecessors, (7603), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 5240 states and 7608 transitions. [2022-10-16 04:20:56,021 INFO L78 Accepts]: Start accepts. Automaton has 5240 states and 7608 transitions. Word has length 60 [2022-10-16 04:20:56,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:56,022 INFO L495 AbstractCegarLoop]: Abstraction has 5240 states and 7608 transitions. [2022-10-16 04:20:56,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 04:20:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5240 states and 7608 transitions. [2022-10-16 04:20:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 04:20:56,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:56,025 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 04:20:56,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:20:56,026 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:56,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1578233993, now seen corresponding path program 1 times [2022-10-16 04:20:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:56,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853113867] [2022-10-16 04:20:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:56,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:56,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:56,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853113867] [2022-10-16 04:20:56,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853113867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:56,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:56,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 04:20:56,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490157312] [2022-10-16 04:20:56,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:56,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 04:20:56,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:56,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 04:20:56,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:20:56,196 INFO L87 Difference]: Start difference. First operand 5240 states and 7608 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:56,949 INFO L93 Difference]: Finished difference Result 20338 states and 29030 transitions. [2022-10-16 04:20:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 04:20:56,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 04:20:56,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:56,998 INFO L225 Difference]: With dead ends: 20338 [2022-10-16 04:20:56,998 INFO L226 Difference]: Without dead ends: 20338 [2022-10-16 04:20:56,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:20:57,000 INFO L413 NwaCegarLoop]: 1054 mSDtfsCounter, 2092 mSDsluCounter, 2908 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:57,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 3962 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:20:57,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20338 states. [2022-10-16 04:20:57,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20338 to 6594. [2022-10-16 04:20:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6594 states, 6587 states have (on average 1.4473963868225292) internal successors, (9534), 6592 states have internal predecessors, (9534), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6594 states to 6594 states and 9539 transitions. [2022-10-16 04:20:57,262 INFO L78 Accepts]: Start accepts. Automaton has 6594 states and 9539 transitions. Word has length 64 [2022-10-16 04:20:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:57,262 INFO L495 AbstractCegarLoop]: Abstraction has 6594 states and 9539 transitions. [2022-10-16 04:20:57,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6594 states and 9539 transitions. [2022-10-16 04:20:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 04:20:57,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:57,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:20:57,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:20:57,265 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:57,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:57,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2113614310, now seen corresponding path program 1 times [2022-10-16 04:20:57,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:57,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814275932] [2022-10-16 04:20:57,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:57,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:57,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:57,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814275932] [2022-10-16 04:20:57,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814275932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:57,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:57,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:20:57,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701591776] [2022-10-16 04:20:57,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:57,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:20:57,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:57,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:20:57,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:20:57,470 INFO L87 Difference]: Start difference. First operand 6594 states and 9539 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:58,307 INFO L93 Difference]: Finished difference Result 39223 states and 56010 transitions. [2022-10-16 04:20:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 04:20:58,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 04:20:58,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:58,403 INFO L225 Difference]: With dead ends: 39223 [2022-10-16 04:20:58,404 INFO L226 Difference]: Without dead ends: 39223 [2022-10-16 04:20:58,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2022-10-16 04:20:58,405 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 3864 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:58,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3864 Valid, 8592 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:20:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39223 states. [2022-10-16 04:20:58,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39223 to 7020. [2022-10-16 04:20:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7020 states, 7013 states have (on average 1.4403251105090547) internal successors, (10101), 7018 states have internal predecessors, (10101), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7020 states to 7020 states and 10106 transitions. [2022-10-16 04:20:58,876 INFO L78 Accepts]: Start accepts. Automaton has 7020 states and 10106 transitions. Word has length 65 [2022-10-16 04:20:58,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:58,876 INFO L495 AbstractCegarLoop]: Abstraction has 7020 states and 10106 transitions. [2022-10-16 04:20:58,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 7020 states and 10106 transitions. [2022-10-16 04:20:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 04:20:58,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:58,879 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 04:20:58,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:20:58,880 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:58,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1394100038, now seen corresponding path program 1 times [2022-10-16 04:20:58,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:58,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830566430] [2022-10-16 04:20:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:58,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:58,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:58,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830566430] [2022-10-16 04:20:58,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830566430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:58,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:58,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:20:58,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836868366] [2022-10-16 04:20:58,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:58,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:20:58,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:58,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:20:58,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:20:58,963 INFO L87 Difference]: Start difference. First operand 7020 states and 10106 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:59,193 INFO L93 Difference]: Finished difference Result 7207 states and 10284 transitions. [2022-10-16 04:20:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:20:59,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 04:20:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:59,212 INFO L225 Difference]: With dead ends: 7207 [2022-10-16 04:20:59,213 INFO L226 Difference]: Without dead ends: 7207 [2022-10-16 04:20:59,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:20:59,214 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 567 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:59,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1188 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:20:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2022-10-16 04:20:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 7020. [2022-10-16 04:20:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7020 states, 7013 states have (on average 1.4351917866818764) internal successors, (10065), 7018 states have internal predecessors, (10065), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7020 states to 7020 states and 10070 transitions. [2022-10-16 04:20:59,412 INFO L78 Accepts]: Start accepts. Automaton has 7020 states and 10070 transitions. Word has length 67 [2022-10-16 04:20:59,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:59,413 INFO L495 AbstractCegarLoop]: Abstraction has 7020 states and 10070 transitions. [2022-10-16 04:20:59,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7020 states and 10070 transitions. [2022-10-16 04:20:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 04:20:59,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:59,415 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-16 04:20:59,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:20:59,416 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:59,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1451907569, now seen corresponding path program 1 times [2022-10-16 04:20:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:59,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023463837] [2022-10-16 04:20:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:59,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:59,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023463837] [2022-10-16 04:20:59,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023463837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:59,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:59,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:59,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265830667] [2022-10-16 04:20:59,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:59,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:59,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:59,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:59,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:59,474 INFO L87 Difference]: Start difference. First operand 7020 states and 10070 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 04:20:59,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:59,569 INFO L93 Difference]: Finished difference Result 7069 states and 9792 transitions. [2022-10-16 04:20:59,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:59,569 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 04:20:59,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:59,588 INFO L225 Difference]: With dead ends: 7069 [2022-10-16 04:20:59,588 INFO L226 Difference]: Without dead ends: 7069 [2022-10-16 04:20:59,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:59,589 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 348 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:59,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 844 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:20:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7069 states. [2022-10-16 04:20:59,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7069 to 7005. [2022-10-16 04:20:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7005 states, 6998 states have (on average 1.3896827665047156) internal successors, (9725), 7003 states have internal predecessors, (9725), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 9730 transitions. [2022-10-16 04:20:59,728 INFO L78 Accepts]: Start accepts. Automaton has 7005 states and 9730 transitions. Word has length 72 [2022-10-16 04:20:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:59,728 INFO L495 AbstractCegarLoop]: Abstraction has 7005 states and 9730 transitions. [2022-10-16 04:20:59,729 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 04:20:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7005 states and 9730 transitions. [2022-10-16 04:20:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 04:20:59,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:20:59,731 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-16 04:20:59,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:20:59,731 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:20:59,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:20:59,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1621701898, now seen corresponding path program 1 times [2022-10-16 04:20:59,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:20:59,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428521675] [2022-10-16 04:20:59,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:20:59,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 04:20:59,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:59,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428521675] [2022-10-16 04:20:59,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428521675] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:59,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:59,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:20:59,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049967041] [2022-10-16 04:20:59,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:59,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:59,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:59,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:59,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:59,781 INFO L87 Difference]: Start difference. First operand 7005 states and 9730 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:20:59,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:59,845 INFO L93 Difference]: Finished difference Result 7861 states and 10787 transitions. [2022-10-16 04:20:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:59,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 04:20:59,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:59,899 INFO L225 Difference]: With dead ends: 7861 [2022-10-16 04:20:59,899 INFO L226 Difference]: Without dead ends: 7789 [2022-10-16 04:20:59,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:59,901 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 331 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:59,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 863 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:59,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7789 states. [2022-10-16 04:20:59,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7789 to 7248. [2022-10-16 04:21:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7248 states, 7241 states have (on average 1.388206048888275) internal successors, (10052), 7246 states have internal predecessors, (10052), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7248 states to 7248 states and 10057 transitions. [2022-10-16 04:21:00,026 INFO L78 Accepts]: Start accepts. Automaton has 7248 states and 10057 transitions. Word has length 74 [2022-10-16 04:21:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:00,029 INFO L495 AbstractCegarLoop]: Abstraction has 7248 states and 10057 transitions. [2022-10-16 04:21:00,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7248 states and 10057 transitions. [2022-10-16 04:21:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 04:21:00,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:00,031 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:00,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:21:00,031 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:00,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash -102119798, now seen corresponding path program 1 times [2022-10-16 04:21:00,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:00,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342148895] [2022-10-16 04:21:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:00,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:00,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342148895] [2022-10-16 04:21:00,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342148895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:00,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:00,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:21:00,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297449753] [2022-10-16 04:21:00,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:00,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:00,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:00,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:00,089 INFO L87 Difference]: Start difference. First operand 7248 states and 10057 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:00,131 INFO L93 Difference]: Finished difference Result 3646 states and 4900 transitions. [2022-10-16 04:21:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:00,132 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 04:21:00,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:00,139 INFO L225 Difference]: With dead ends: 3646 [2022-10-16 04:21:00,140 INFO L226 Difference]: Without dead ends: 3646 [2022-10-16 04:21:00,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:00,141 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 69 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:00,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 722 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:00,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2022-10-16 04:21:00,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3631. [2022-10-16 04:21:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3631 states, 3624 states have (on average 1.346578366445916) internal successors, (4880), 3629 states have internal predecessors, (4880), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3631 states and 4885 transitions. [2022-10-16 04:21:00,198 INFO L78 Accepts]: Start accepts. Automaton has 3631 states and 4885 transitions. Word has length 79 [2022-10-16 04:21:00,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:00,199 INFO L495 AbstractCegarLoop]: Abstraction has 3631 states and 4885 transitions. [2022-10-16 04:21:00,199 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 4885 transitions. [2022-10-16 04:21:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 04:21:00,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:00,201 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:00,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:21:00,202 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:00,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:00,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1749649323, now seen corresponding path program 1 times [2022-10-16 04:21:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:00,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285786] [2022-10-16 04:21:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:00,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:00,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285786] [2022-10-16 04:21:00,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285786] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:00,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:00,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:21:00,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040711761] [2022-10-16 04:21:00,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:00,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:21:00,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:00,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:21:00,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:21:00,300 INFO L87 Difference]: Start difference. First operand 3631 states and 4885 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 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 04:21:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:00,513 INFO L93 Difference]: Finished difference Result 11626 states and 15656 transitions. [2022-10-16 04:21:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:21:00,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 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 04:21:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:00,540 INFO L225 Difference]: With dead ends: 11626 [2022-10-16 04:21:00,540 INFO L226 Difference]: Without dead ends: 11626 [2022-10-16 04:21:00,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:21:00,542 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 1580 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:00,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 3339 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:21:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11626 states. [2022-10-16 04:21:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11626 to 3635. [2022-10-16 04:21:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3635 states, 3628 states have (on average 1.3434399117971334) internal successors, (4874), 3633 states have internal predecessors, (4874), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3635 states to 3635 states and 4879 transitions. [2022-10-16 04:21:00,667 INFO L78 Accepts]: Start accepts. Automaton has 3635 states and 4879 transitions. Word has length 97 [2022-10-16 04:21:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:00,667 INFO L495 AbstractCegarLoop]: Abstraction has 3635 states and 4879 transitions. [2022-10-16 04:21:00,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 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 04:21:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3635 states and 4879 transitions. [2022-10-16 04:21:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 04:21:00,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:00,670 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:00,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:21:00,670 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:00,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:00,671 INFO L85 PathProgramCache]: Analyzing trace with hash -789424570, now seen corresponding path program 1 times [2022-10-16 04:21:00,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:00,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527557099] [2022-10-16 04:21:00,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:00,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:00,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:00,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527557099] [2022-10-16 04:21:00,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527557099] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:00,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:00,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:21:00,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18321464] [2022-10-16 04:21:00,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:00,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:00,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:00,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:00,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:00,726 INFO L87 Difference]: Start difference. First operand 3635 states and 4879 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:00,761 INFO L93 Difference]: Finished difference Result 3607 states and 4836 transitions. [2022-10-16 04:21:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 04:21:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:00,770 INFO L225 Difference]: With dead ends: 3607 [2022-10-16 04:21:00,770 INFO L226 Difference]: Without dead ends: 3607 [2022-10-16 04:21:00,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:00,771 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 24 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:00,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 715 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2022-10-16 04:21:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3446. [2022-10-16 04:21:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 3439 states have (on average 1.3535911602209945) internal successors, (4655), 3444 states have internal predecessors, (4655), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 4660 transitions. [2022-10-16 04:21:00,829 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 4660 transitions. Word has length 99 [2022-10-16 04:21:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:00,829 INFO L495 AbstractCegarLoop]: Abstraction has 3446 states and 4660 transitions. [2022-10-16 04:21:00,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 4660 transitions. [2022-10-16 04:21:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 04:21:00,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:00,832 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:00,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 04:21:00,832 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:00,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:00,833 INFO L85 PathProgramCache]: Analyzing trace with hash -653251640, now seen corresponding path program 1 times [2022-10-16 04:21:00,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:00,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640961173] [2022-10-16 04:21:00,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:00,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:00,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640961173] [2022-10-16 04:21:00,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640961173] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:00,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71850160] [2022-10-16 04:21:00,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:00,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:00,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:00,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:21:00,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 04:21:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:01,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:21:01,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:01,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:21:01,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71850160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:01,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:21:01,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 04:21:01,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915305913] [2022-10-16 04:21:01,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:01,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:01,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:01,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:01,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:01,270 INFO L87 Difference]: Start difference. First operand 3446 states and 4660 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:01,313 INFO L93 Difference]: Finished difference Result 4074 states and 5435 transitions. [2022-10-16 04:21:01,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:01,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 04:21:01,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:01,324 INFO L225 Difference]: With dead ends: 4074 [2022-10-16 04:21:01,324 INFO L226 Difference]: Without dead ends: 4074 [2022-10-16 04:21:01,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:01,325 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 227 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:01,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 770 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:01,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4074 states. [2022-10-16 04:21:01,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4074 to 3954. [2022-10-16 04:21:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3954 states, 3947 states have (on average 1.3427919939194324) internal successors, (5300), 3952 states have internal predecessors, (5300), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 5305 transitions. [2022-10-16 04:21:01,404 INFO L78 Accepts]: Start accepts. Automaton has 3954 states and 5305 transitions. Word has length 103 [2022-10-16 04:21:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:01,404 INFO L495 AbstractCegarLoop]: Abstraction has 3954 states and 5305 transitions. [2022-10-16 04:21:01,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 5305 transitions. [2022-10-16 04:21:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 04:21:01,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:01,407 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:01,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 04:21:01,620 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,SelfDestructingSolverStorable20 [2022-10-16 04:21:01,620 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:01,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:01,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1010025052, now seen corresponding path program 1 times [2022-10-16 04:21:01,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:01,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509140792] [2022-10-16 04:21:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:01,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:01,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:01,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509140792] [2022-10-16 04:21:01,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509140792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:01,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:01,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:21:01,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163093198] [2022-10-16 04:21:01,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:01,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:21:01,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:01,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:21:01,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:21:01,746 INFO L87 Difference]: Start difference. First operand 3954 states and 5305 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:01,975 INFO L93 Difference]: Finished difference Result 3749 states and 4988 transitions. [2022-10-16 04:21:01,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 04:21:01,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 04:21:01,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:01,986 INFO L225 Difference]: With dead ends: 3749 [2022-10-16 04:21:01,986 INFO L226 Difference]: Without dead ends: 3749 [2022-10-16 04:21:01,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:21:01,988 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 266 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:01,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1204 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:21:01,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2022-10-16 04:21:02,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3675. [2022-10-16 04:21:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3675 states, 3668 states have (on average 1.3366957470010905) internal successors, (4903), 3673 states have internal predecessors, (4903), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3675 states and 4908 transitions. [2022-10-16 04:21:02,061 INFO L78 Accepts]: Start accepts. Automaton has 3675 states and 4908 transitions. Word has length 110 [2022-10-16 04:21:02,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:02,062 INFO L495 AbstractCegarLoop]: Abstraction has 3675 states and 4908 transitions. [2022-10-16 04:21:02,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 4908 transitions. [2022-10-16 04:21:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-16 04:21:02,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:02,065 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:02,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 04:21:02,066 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:02,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:02,067 INFO L85 PathProgramCache]: Analyzing trace with hash -182113022, now seen corresponding path program 1 times [2022-10-16 04:21:02,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:02,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346725466] [2022-10-16 04:21:02,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:21:02,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:02,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346725466] [2022-10-16 04:21:02,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346725466] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:02,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739393272] [2022-10-16 04:21:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:02,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:02,233 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 04:21:02,259 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 04:21:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:02,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:21:02,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:02,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:21:02,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739393272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:02,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:21:02,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 04:21:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900837866] [2022-10-16 04:21:02,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:02,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:02,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:02,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:02,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:02,491 INFO L87 Difference]: Start difference. First operand 3675 states and 4908 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:02,524 INFO L93 Difference]: Finished difference Result 2336 states and 3055 transitions. [2022-10-16 04:21:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:02,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2022-10-16 04:21:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:02,532 INFO L225 Difference]: With dead ends: 2336 [2022-10-16 04:21:02,532 INFO L226 Difference]: Without dead ends: 2336 [2022-10-16 04:21:02,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:02,534 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 262 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:02,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 416 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-10-16 04:21:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2336. [2022-10-16 04:21:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 2329 states have (on average 1.3095749248604551) internal successors, (3050), 2334 states have internal predecessors, (3050), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3055 transitions. [2022-10-16 04:21:02,583 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3055 transitions. Word has length 157 [2022-10-16 04:21:02,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:02,583 INFO L495 AbstractCegarLoop]: Abstraction has 2336 states and 3055 transitions. [2022-10-16 04:21:02,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3055 transitions. [2022-10-16 04:21:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-16 04:21:02,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:02,588 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:02,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 04:21:02,802 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,SelfDestructingSolverStorable22 [2022-10-16 04:21:02,802 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:02,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1837024700, now seen corresponding path program 1 times [2022-10-16 04:21:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:02,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961075970] [2022-10-16 04:21:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:03,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:03,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961075970] [2022-10-16 04:21:03,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961075970] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:03,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305841777] [2022-10-16 04:21:03,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:03,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:03,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:03,024 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 04:21:03,047 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 04:21:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:03,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:21:03,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 04:21:03,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:21:03,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305841777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:03,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:21:03,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 04:21:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300716248] [2022-10-16 04:21:03,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:03,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:03,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:03,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:03,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:03,226 INFO L87 Difference]: Start difference. First operand 2336 states and 3055 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:03,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:03,269 INFO L93 Difference]: Finished difference Result 2336 states and 2985 transitions. [2022-10-16 04:21:03,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:03,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2022-10-16 04:21:03,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:03,274 INFO L225 Difference]: With dead ends: 2336 [2022-10-16 04:21:03,274 INFO L226 Difference]: Without dead ends: 2336 [2022-10-16 04:21:03,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:03,276 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 269 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:03,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 389 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:03,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-10-16 04:21:03,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2336. [2022-10-16 04:21:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 2329 states have (on average 1.2795191069128382) internal successors, (2980), 2334 states have internal predecessors, (2980), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 2985 transitions. [2022-10-16 04:21:03,313 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 2985 transitions. Word has length 160 [2022-10-16 04:21:03,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:03,313 INFO L495 AbstractCegarLoop]: Abstraction has 2336 states and 2985 transitions. [2022-10-16 04:21:03,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2985 transitions. [2022-10-16 04:21:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:21:03,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:03,317 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:03,356 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 04:21:03,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:03,531 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:03,533 INFO L85 PathProgramCache]: Analyzing trace with hash -321422517, now seen corresponding path program 1 times [2022-10-16 04:21:03,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:03,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193599282] [2022-10-16 04:21:03,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:03,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:03,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193599282] [2022-10-16 04:21:03,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193599282] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:03,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851429203] [2022-10-16 04:21:03,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:03,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:03,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:03,745 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 04:21:03,753 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 04:21:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 04:21:03,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 04:21:03,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:21:03,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851429203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:03,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:21:03,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 04:21:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310655456] [2022-10-16 04:21:03,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:03,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:03,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:03,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:03,907 INFO L87 Difference]: Start difference. First operand 2336 states and 2985 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:04,156 INFO L93 Difference]: Finished difference Result 2764 states and 3410 transitions. [2022-10-16 04:21:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:04,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 04:21:04,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:04,162 INFO L225 Difference]: With dead ends: 2764 [2022-10-16 04:21:04,163 INFO L226 Difference]: Without dead ends: 2764 [2022-10-16 04:21:04,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 04:21:04,164 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 201 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:04,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 635 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:21:04,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2022-10-16 04:21:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2707. [2022-10-16 04:21:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 2700 states have (on average 1.2396296296296296) internal successors, (3347), 2705 states have internal predecessors, (3347), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 3352 transitions. [2022-10-16 04:21:04,202 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 3352 transitions. Word has length 161 [2022-10-16 04:21:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:04,203 INFO L495 AbstractCegarLoop]: Abstraction has 2707 states and 3352 transitions. [2022-10-16 04:21:04,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:04,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 3352 transitions. [2022-10-16 04:21:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-16 04:21:04,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:04,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:04,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 04:21:04,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:04,420 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:04,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:04,421 INFO L85 PathProgramCache]: Analyzing trace with hash 920589973, now seen corresponding path program 1 times [2022-10-16 04:21:04,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:04,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790262617] [2022-10-16 04:21:04,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:04,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 5 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:04,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:04,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790262617] [2022-10-16 04:21:04,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790262617] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:04,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517096782] [2022-10-16 04:21:04,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:04,872 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 04:21:04,890 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 04:21:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:04,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 04:21:04,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 5 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:05,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 04:21:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 5 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 04:21:05,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517096782] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 04:21:05,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 04:21:05,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 10 [2022-10-16 04:21:05,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008447338] [2022-10-16 04:21:05,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 04:21:05,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:21:05,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:05,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:21:05,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:21:05,525 INFO L87 Difference]: Start difference. First operand 2707 states and 3352 transitions. Second operand has 10 states, 10 states have (on average 16.2) internal successors, (162), 10 states have internal predecessors, (162), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:06,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:06,338 INFO L93 Difference]: Finished difference Result 11843 states and 14725 transitions. [2022-10-16 04:21:06,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-16 04:21:06,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 10 states have internal predecessors, (162), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-10-16 04:21:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:06,361 INFO L225 Difference]: With dead ends: 11843 [2022-10-16 04:21:06,361 INFO L226 Difference]: Without dead ends: 11843 [2022-10-16 04:21:06,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 338 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 04:21:06,363 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 4953 mSDsluCounter, 4604 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4953 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:06,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4953 Valid, 5416 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:21:06,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11843 states. [2022-10-16 04:21:06,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11843 to 3853. [2022-10-16 04:21:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3853 states, 3846 states have (on average 1.2436297451898075) internal successors, (4783), 3851 states have internal predecessors, (4783), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 4788 transitions. [2022-10-16 04:21:06,464 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 4788 transitions. Word has length 163 [2022-10-16 04:21:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:06,465 INFO L495 AbstractCegarLoop]: Abstraction has 3853 states and 4788 transitions. [2022-10-16 04:21:06,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 10 states have internal predecessors, (162), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 4788 transitions. [2022-10-16 04:21:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-10-16 04:21:06,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:06,470 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 04:21:06,516 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 04:21:06,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 04:21:06,685 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:06,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:06,687 INFO L85 PathProgramCache]: Analyzing trace with hash -763703195, now seen corresponding path program 1 times [2022-10-16 04:21:06,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:06,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455084255] [2022-10-16 04:21:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:06,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 103 proven. 103 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 04:21:07,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:07,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455084255] [2022-10-16 04:21:07,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455084255] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:07,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409992327] [2022-10-16 04:21:07,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:07,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:07,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:07,111 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 04:21:07,132 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 04:21:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:07,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 04:21:07,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:07,614 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 04:21:07,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 04:21:07,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409992327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:07,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 04:21:07,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2022-10-16 04:21:07,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891852852] [2022-10-16 04:21:07,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:07,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:21:07,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:07,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:21:07,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:21:07,618 INFO L87 Difference]: Start difference. First operand 3853 states and 4788 transitions. Second operand has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 states have internal predecessors, (257), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:07,825 INFO L93 Difference]: Finished difference Result 4666 states and 5791 transitions. [2022-10-16 04:21:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 04:21:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 states have internal predecessors, (257), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 263 [2022-10-16 04:21:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:07,837 INFO L225 Difference]: With dead ends: 4666 [2022-10-16 04:21:07,837 INFO L226 Difference]: Without dead ends: 4666 [2022-10-16 04:21:07,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:21:07,838 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 1379 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:07,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 2572 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:21:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2022-10-16 04:21:07,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 3759. [2022-10-16 04:21:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3752 states have (on average 1.24227078891258) internal successors, (4661), 3757 states have internal predecessors, (4661), 5 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 4666 transitions. [2022-10-16 04:21:07,905 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 4666 transitions. Word has length 263 [2022-10-16 04:21:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:07,905 INFO L495 AbstractCegarLoop]: Abstraction has 3759 states and 4666 transitions. [2022-10-16 04:21:07,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 states have internal predecessors, (257), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 4666 transitions. [2022-10-16 04:21:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-10-16 04:21:07,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:07,910 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:07,955 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 04:21:08,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 04:21:08,124 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:08,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1019295147, now seen corresponding path program 1 times [2022-10-16 04:21:08,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:08,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150476495] [2022-10-16 04:21:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:08,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 04:21:08,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:08,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150476495] [2022-10-16 04:21:08,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150476495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:08,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:08,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:21:08,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442611523] [2022-10-16 04:21:08,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:08,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:08,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:08,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:08,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:08,272 INFO L87 Difference]: Start difference. First operand 3759 states and 4666 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:08,349 INFO L93 Difference]: Finished difference Result 855 states and 939 transitions. [2022-10-16 04:21:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:08,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 264 [2022-10-16 04:21:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:08,352 INFO L225 Difference]: With dead ends: 855 [2022-10-16 04:21:08,352 INFO L226 Difference]: Without dead ends: 855 [2022-10-16 04:21:08,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:08,353 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 132 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:08,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 358 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:21:08,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2022-10-16 04:21:08,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 773. [2022-10-16 04:21:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 768 states have (on average 1.0963541666666667) internal successors, (842), 771 states have internal predecessors, (842), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 845 transitions. [2022-10-16 04:21:08,365 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 845 transitions. Word has length 264 [2022-10-16 04:21:08,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:08,366 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 845 transitions. [2022-10-16 04:21:08,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 845 transitions. [2022-10-16 04:21:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-10-16 04:21:08,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:08,370 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:08,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:21:08,371 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:08,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1686235263, now seen corresponding path program 1 times [2022-10-16 04:21:08,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:08,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084551727] [2022-10-16 04:21:08,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:08,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 04:21:08,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:08,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084551727] [2022-10-16 04:21:08,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084551727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:08,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:08,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:21:08,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038455166] [2022-10-16 04:21:08,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:08,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:21:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:08,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:21:08,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:21:08,656 INFO L87 Difference]: Start difference. First operand 773 states and 845 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:08,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:08,864 INFO L93 Difference]: Finished difference Result 1556 states and 1715 transitions. [2022-10-16 04:21:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 04:21:08,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 265 [2022-10-16 04:21:08,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:08,869 INFO L225 Difference]: With dead ends: 1556 [2022-10-16 04:21:08,869 INFO L226 Difference]: Without dead ends: 1556 [2022-10-16 04:21:08,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:21:08,875 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 901 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:08,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 2346 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:21:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-10-16 04:21:08,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 772. [2022-10-16 04:21:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 767 states have (on average 1.0938722294654497) internal successors, (839), 770 states have internal predecessors, (839), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 842 transitions. [2022-10-16 04:21:08,894 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 842 transitions. Word has length 265 [2022-10-16 04:21:08,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:08,895 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 842 transitions. [2022-10-16 04:21:08,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 842 transitions. [2022-10-16 04:21:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-10-16 04:21:08,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:08,900 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:08,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:21:08,901 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:08,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash -232946142, now seen corresponding path program 1 times [2022-10-16 04:21:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:08,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889740602] [2022-10-16 04:21:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 04:21:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:09,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889740602] [2022-10-16 04:21:09,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889740602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:09,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:09,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:21:09,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106366743] [2022-10-16 04:21:09,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:09,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:21:09,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:09,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:21:09,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:21:09,125 INFO L87 Difference]: Start difference. First operand 772 states and 842 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:09,189 INFO L93 Difference]: Finished difference Result 1209 states and 1331 transitions. [2022-10-16 04:21:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 04:21:09,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2022-10-16 04:21:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:09,193 INFO L225 Difference]: With dead ends: 1209 [2022-10-16 04:21:09,193 INFO L226 Difference]: Without dead ends: 1209 [2022-10-16 04:21:09,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:21:09,194 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 471 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:09,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 908 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:09,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-10-16 04:21:09,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 763. [2022-10-16 04:21:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 759 states have (on average 1.0843214756258235) internal successors, (823), 761 states have internal predecessors, (823), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 825 transitions. [2022-10-16 04:21:09,207 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 825 transitions. Word has length 266 [2022-10-16 04:21:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:09,208 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 825 transitions. [2022-10-16 04:21:09,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 825 transitions. [2022-10-16 04:21:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-10-16 04:21:09,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:09,215 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:09,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:21:09,216 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:09,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:09,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1219154680, now seen corresponding path program 1 times [2022-10-16 04:21:09,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:09,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639689203] [2022-10-16 04:21:09,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:09,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 38 proven. 142 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 04:21:11,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:11,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639689203] [2022-10-16 04:21:11,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639689203] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:11,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673588434] [2022-10-16 04:21:11,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:11,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:11,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:11,171 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 04:21:11,191 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 04:21:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:11,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-16 04:21:11,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 40 proven. 123 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-10-16 04:21:12,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 04:21:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 148 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-10-16 04:21:12,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673588434] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 04:21:12,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 04:21:12,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 30 [2022-10-16 04:21:12,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367491715] [2022-10-16 04:21:12,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 04:21:12,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 04:21:12,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:12,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 04:21:12,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=792, Unknown=0, NotChecked=0, Total=870 [2022-10-16 04:21:12,684 INFO L87 Difference]: Start difference. First operand 763 states and 825 transitions. Second operand has 30 states, 30 states have (on average 13.766666666666667) internal successors, (413), 30 states have internal predecessors, (413), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:13,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:13,782 INFO L93 Difference]: Finished difference Result 1200 states and 1316 transitions. [2022-10-16 04:21:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-16 04:21:13,782 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 13.766666666666667) internal successors, (413), 30 states have internal predecessors, (413), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2022-10-16 04:21:13,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:13,785 INFO L225 Difference]: With dead ends: 1200 [2022-10-16 04:21:13,785 INFO L226 Difference]: Without dead ends: 1200 [2022-10-16 04:21:13,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 650 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=500, Invalid=2922, Unknown=0, NotChecked=0, Total=3422 [2022-10-16 04:21:13,788 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 3006 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 7127 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:13,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 7127 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 04:21:13,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-10-16 04:21:13,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 763. [2022-10-16 04:21:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 759 states have (on average 1.08300395256917) internal successors, (822), 761 states have internal predecessors, (822), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 824 transitions. [2022-10-16 04:21:13,800 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 824 transitions. Word has length 325 [2022-10-16 04:21:13,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:13,802 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 824 transitions. [2022-10-16 04:21:13,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 13.766666666666667) internal successors, (413), 30 states have internal predecessors, (413), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 824 transitions. [2022-10-16 04:21:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-10-16 04:21:13,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:13,812 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:21:13,854 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 04:21:14,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:14,026 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash 200109335, now seen corresponding path program 1 times [2022-10-16 04:21:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:14,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759033394] [2022-10-16 04:21:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 139 proven. 48 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 04:21:14,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759033394] [2022-10-16 04:21:14,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759033394] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771589571] [2022-10-16 04:21:14,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:14,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:14,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:14,760 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 04:21:14,784 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 04:21:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:14,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 04:21:14,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 139 proven. 48 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 04:21:15,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 04:21:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 139 proven. 48 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 04:21:15,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771589571] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 04:21:15,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 04:21:15,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 10 [2022-10-16 04:21:15,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276756820] [2022-10-16 04:21:15,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 04:21:15,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 04:21:15,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:15,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 04:21:15,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:21:15,463 INFO L87 Difference]: Start difference. First operand 763 states and 824 transitions. Second operand has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:15,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:15,772 INFO L93 Difference]: Finished difference Result 1184 states and 1304 transitions. [2022-10-16 04:21:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 04:21:15,773 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 372 [2022-10-16 04:21:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:15,776 INFO L225 Difference]: With dead ends: 1184 [2022-10-16 04:21:15,776 INFO L226 Difference]: Without dead ends: 1184 [2022-10-16 04:21:15,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 752 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2022-10-16 04:21:15,778 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 1294 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 2730 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:15,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 2730 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:21:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2022-10-16 04:21:15,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 762. [2022-10-16 04:21:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 759 states have (on average 1.080368906455863) internal successors, (820), 760 states have internal predecessors, (820), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 821 transitions. [2022-10-16 04:21:15,794 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 821 transitions. Word has length 372 [2022-10-16 04:21:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:15,794 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 821 transitions. [2022-10-16 04:21:15,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 821 transitions. [2022-10-16 04:21:15,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-10-16 04:21:15,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:15,804 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 04:21:15,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 04:21:16,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-10-16 04:21:16,021 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:16,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:16,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2022630338, now seen corresponding path program 1 times [2022-10-16 04:21:16,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:16,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420365869] [2022-10-16 04:21:16,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:16,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 73 proven. 357 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 04:21:17,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:17,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420365869] [2022-10-16 04:21:17,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420365869] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 04:21:17,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646313614] [2022-10-16 04:21:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:17,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:17,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:21:17,960 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 04:21:17,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 04:21:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:18,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-16 04:21:18,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 04:21:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 91 proven. 339 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 04:21:19,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 04:21:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 20 proven. 410 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 04:21:19,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646313614] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 04:21:19,992 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 04:21:19,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 35 [2022-10-16 04:21:19,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977090871] [2022-10-16 04:21:19,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 04:21:19,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 04:21:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:19,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 04:21:19,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 04:21:19,996 INFO L87 Difference]: Start difference. First operand 762 states and 821 transitions. Second operand has 35 states, 35 states have (on average 18.914285714285715) internal successors, (662), 35 states have internal predecessors, (662), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:21,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:21,673 INFO L93 Difference]: Finished difference Result 1291 states and 1421 transitions. [2022-10-16 04:21:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-16 04:21:21,674 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 18.914285714285715) internal successors, (662), 35 states have internal predecessors, (662), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 433 [2022-10-16 04:21:21,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:21,682 INFO L225 Difference]: With dead ends: 1291 [2022-10-16 04:21:21,682 INFO L226 Difference]: Without dead ends: 1291 [2022-10-16 04:21:21,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 955 GetRequests, 873 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=757, Invalid=5563, Unknown=0, NotChecked=0, Total=6320 [2022-10-16 04:21:21,694 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 4869 mSDsluCounter, 8826 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 9356 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:21,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4869 Valid, 9356 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:21:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-10-16 04:21:21,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 759. [2022-10-16 04:21:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 758 states have (on average 1.0778364116094987) internal successors, (817), 758 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:21,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 817 transitions. [2022-10-16 04:21:21,711 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 817 transitions. Word has length 433 [2022-10-16 04:21:21,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:21,712 INFO L495 AbstractCegarLoop]: Abstraction has 759 states and 817 transitions. [2022-10-16 04:21:21,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 18.914285714285715) internal successors, (662), 35 states have internal predecessors, (662), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 817 transitions. [2022-10-16 04:21:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-10-16 04:21:21,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:21:21,717 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 04:21:21,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 04:21:21,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 04:21:21,931 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, errorErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:21:21,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:21:21,932 INFO L85 PathProgramCache]: Analyzing trace with hash 72775310, now seen corresponding path program 1 times [2022-10-16 04:21:21,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:21:21,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725521623] [2022-10-16 04:21:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:21:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:21:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:21:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-10-16 04:21:22,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:21:22,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725521623] [2022-10-16 04:21:22,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725521623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:21:22,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:21:22,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:21:22,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036562650] [2022-10-16 04:21:22,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:21:22,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:21:22,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:21:22,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:21:22,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:22,138 INFO L87 Difference]: Start difference. First operand 759 states and 817 transitions. Second operand has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:21:22,144 INFO L93 Difference]: Finished difference Result 758 states and 816 transitions. [2022-10-16 04:21:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:21:22,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 454 [2022-10-16 04:21:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:21:22,146 INFO L225 Difference]: With dead ends: 758 [2022-10-16 04:21:22,146 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 04:21:22,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:21:22,147 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:21:22,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:21:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 04:21:22,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 04:21:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 04:21:22,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 454 [2022-10-16 04:21:22,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:21:22,149 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 04:21:22,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:21:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 04:21:22,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 04:21:22,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-16 04:21:22,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-16 04:21:22,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 04:21:22,158 INFO L444 BasicCegarLoop]: Path program 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] [2022-10-16 04:21:22,161 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 04:21:22,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 04:21:22 BoogieIcfgContainer [2022-10-16 04:21:22,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 04:21:22,165 INFO L158 Benchmark]: Toolchain (without parser) took 32666.34ms. Allocated memory was 151.0MB in the beginning and 674.2MB in the end (delta: 523.2MB). Free memory was 123.8MB in the beginning and 510.7MB in the end (delta: -386.9MB). Peak memory consumption was 138.2MB. Max. memory is 8.0GB. [2022-10-16 04:21:22,165 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 04:21:22,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.51ms. Allocated memory is still 151.0MB. Free memory was 123.7MB in the beginning and 103.6MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-10-16 04:21:22,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.51ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 100.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-16 04:21:22,166 INFO L158 Benchmark]: Boogie Preprocessor took 136.73ms. Allocated memory is still 151.0MB. Free memory was 100.3MB in the beginning and 130.4MB in the end (delta: -30.1MB). Peak memory consumption was 3.6MB. Max. memory is 8.0GB. [2022-10-16 04:21:22,166 INFO L158 Benchmark]: RCFGBuilder took 1196.53ms. Allocated memory is still 151.0MB. Free memory was 130.4MB in the beginning and 87.9MB in the end (delta: 42.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-10-16 04:21:22,167 INFO L158 Benchmark]: TraceAbstraction took 30748.15ms. Allocated memory was 151.0MB in the beginning and 674.2MB in the end (delta: 523.2MB). Free memory was 87.4MB in the beginning and 510.7MB in the end (delta: -423.3MB). Peak memory consumption was 102.1MB. Max. memory is 8.0GB. [2022-10-16 04:21:22,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 483.51ms. Allocated memory is still 151.0MB. Free memory was 123.7MB in the beginning and 103.6MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 87.51ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 100.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 136.73ms. Allocated memory is still 151.0MB. Free memory was 100.3MB in the beginning and 130.4MB in the end (delta: -30.1MB). Peak memory consumption was 3.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1196.53ms. Allocated memory is still 151.0MB. Free memory was 130.4MB in the beginning and 87.9MB in the end (delta: 42.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 30748.15ms. Allocated memory was 151.0MB in the beginning and 674.2MB in the end (delta: 523.2MB). Free memory was 87.4MB in the beginning and 510.7MB in the end (delta: -423.3MB). Peak memory consumption was 102.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1356]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 274 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 30.7s, OverallIterations: 34, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31789 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31789 mSDsluCounter, 65034 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46072 mSDsCounter, 769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5297 IncrementalHoareTripleChecker+Invalid, 6066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 769 mSolverCounterUnsat, 18962 mSDtfsCounter, 5297 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3893 GetRequests, 3556 SyntacticMatches, 17 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3144 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7248occurred in iteration=17, InterpolantAutomatonStates: 308, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 34 MinimizatonAttempts, 69541 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 6793 NumberOfCodeBlocks, 6793 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 8039 ConstructedInterpolants, 0 QuantifiedInterpolants, 23462 SizeOfPredicates, 52 NumberOfNonLiveVariables, 6592 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 47 InterpolantComputations, 30 PerfectInterpolantSequences, 2807/4729 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-16 04:21:22,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...