/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:33:41,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:33:41,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:33:42,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:33:42,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:33:42,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:33:42,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:33:42,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:33:42,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:33:42,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:33:42,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:33:42,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:33:42,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:33:42,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:33:42,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:33:42,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:33:42,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:33:42,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:33:42,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:33:42,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:33:42,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:33:42,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:33:42,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:33:42,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:33:42,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:33:42,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:33:42,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:33:42,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:33:42,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:33:42,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:33:42,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:33:42,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:33:42,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:33:42,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:33:42,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:33:42,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:33:42,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:33:42,191 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:33:42,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:33:42,192 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:33:42,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:33:42,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:33:42,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:33:42,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:33:42,193 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:33:42,193 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:33:42,194 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:33:42,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:33:42,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:33:42,194 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:33:42,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:33:42,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:33:42,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:33:42,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:33:42,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:33:42,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:33:42,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:33:42,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:33:42,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:33:42,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:33:42,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:33:42,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:33:42,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:33:42,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:33:42,654 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:33:42,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 17:33:42,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45732ad3/2b69b2cd1d1b423ebf790370539b7a53/FLAG0067a7189 [2022-10-15 17:33:43,469 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:33:43,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 17:33:43,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45732ad3/2b69b2cd1d1b423ebf790370539b7a53/FLAG0067a7189 [2022-10-15 17:33:43,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45732ad3/2b69b2cd1d1b423ebf790370539b7a53 [2022-10-15 17:33:43,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:33:43,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:33:43,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:33:43,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:33:43,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:33:43,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:33:43" (1/1) ... [2022-10-15 17:33:43,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519b3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:43, skipping insertion in model container [2022-10-15 17:33:43,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:33:43" (1/1) ... [2022-10-15 17:33:43,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:33:43,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:33:44,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7471,7484] [2022-10-15 17:33:44,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:33:44,227 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:33:44,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7471,7484] [2022-10-15 17:33:44,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:33:44,337 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:33:44,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44 WrapperNode [2022-10-15 17:33:44,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:33:44,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:33:44,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:33:44,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:33:44,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,410 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 574 [2022-10-15 17:33:44,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:33:44,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:33:44,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:33:44,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:33:44,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:33:44,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:33:44,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:33:44,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:33:44,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (1/1) ... [2022-10-15 17:33:44,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:33:44,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:33:44,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 17:33:44,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 17:33:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:33:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:33:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:33:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:33:44,814 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:33:44,817 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:33:45,484 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:33:45,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:33:45,495 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:33:45,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:33:45 BoogieIcfgContainer [2022-10-15 17:33:45,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:33:45,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:33:45,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:33:45,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:33:45,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:33:43" (1/3) ... [2022-10-15 17:33:45,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516edb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:33:45, skipping insertion in model container [2022-10-15 17:33:45,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:33:44" (2/3) ... [2022-10-15 17:33:45,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516edb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:33:45, skipping insertion in model container [2022-10-15 17:33:45,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:33:45" (3/3) ... [2022-10-15 17:33:45,508 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 17:33:45,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:33:45,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:33:45,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:33:45,595 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;@61786658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:33:45,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:33:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 146 states have (on average 1.7191780821917808) internal successors, (251), 148 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:33:45,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:45,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:33:45,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:45,616 INFO L85 PathProgramCache]: Analyzing trace with hash 944485, now seen corresponding path program 1 times [2022-10-15 17:33:45,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:45,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614092861] [2022-10-15 17:33:45,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:45,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:46,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:46,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614092861] [2022-10-15 17:33:46,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614092861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:46,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:46,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:33:46,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119056] [2022-10-15 17:33:46,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:46,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:46,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:46,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:46,067 INFO L87 Difference]: Start difference. First operand has 149 states, 146 states have (on average 1.7191780821917808) internal successors, (251), 148 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:46,145 INFO L93 Difference]: Finished difference Result 148 states and 249 transitions. [2022-10-15 17:33:46,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:46,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 17:33:46,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:46,170 INFO L225 Difference]: With dead ends: 148 [2022-10-15 17:33:46,170 INFO L226 Difference]: Without dead ends: 145 [2022-10-15 17:33:46,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:46,181 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 246 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:46,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-10-15 17:33:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-10-15 17:33:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.4513888888888888) internal successors, (209), 144 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 209 transitions. [2022-10-15 17:33:46,239 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 209 transitions. Word has length 4 [2022-10-15 17:33:46,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:46,240 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 209 transitions. [2022-10-15 17:33:46,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 209 transitions. [2022-10-15 17:33:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 17:33:46,243 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:46,243 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] [2022-10-15 17:33:46,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:33:46,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:46,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:46,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1935961454, now seen corresponding path program 1 times [2022-10-15 17:33:46,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:46,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582840621] [2022-10-15 17:33:46,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:46,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582840621] [2022-10-15 17:33:46,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582840621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:46,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:46,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:33:46,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137955232] [2022-10-15 17:33:46,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:46,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:46,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:46,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:46,621 INFO L87 Difference]: Start difference. First operand 145 states and 209 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:46,856 INFO L93 Difference]: Finished difference Result 394 states and 593 transitions. [2022-10-15 17:33:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:46,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-15 17:33:46,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:46,867 INFO L225 Difference]: With dead ends: 394 [2022-10-15 17:33:46,867 INFO L226 Difference]: Without dead ends: 394 [2022-10-15 17:33:46,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:46,873 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 729 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:46,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 768 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:33:46,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-10-15 17:33:46,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 232. [2022-10-15 17:33:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.4891774891774892) internal successors, (344), 231 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 344 transitions. [2022-10-15 17:33:46,914 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 344 transitions. Word has length 49 [2022-10-15 17:33:46,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:46,915 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 344 transitions. [2022-10-15 17:33:46,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:46,916 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 344 transitions. [2022-10-15 17:33:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 17:33:46,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:46,919 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] [2022-10-15 17:33:46,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:33:46,920 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:46,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:46,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1118200662, now seen corresponding path program 1 times [2022-10-15 17:33:46,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:46,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250938255] [2022-10-15 17:33:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:46,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:47,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:47,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250938255] [2022-10-15 17:33:47,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250938255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:47,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:47,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:33:47,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912135147] [2022-10-15 17:33:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:47,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:47,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:47,043 INFO L87 Difference]: Start difference. First operand 232 states and 344 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:47,080 INFO L93 Difference]: Finished difference Result 402 states and 596 transitions. [2022-10-15 17:33:47,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:47,081 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), 0 states have call successors, (0), 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 52 [2022-10-15 17:33:47,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:47,085 INFO L225 Difference]: With dead ends: 402 [2022-10-15 17:33:47,086 INFO L226 Difference]: Without dead ends: 402 [2022-10-15 17:33:47,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:47,096 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 141 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 390 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 [2022-10-15 17:33:47,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 390 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:47,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-10-15 17:33:47,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 400. [2022-10-15 17:33:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.4912280701754386) internal successors, (595), 399 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 595 transitions. [2022-10-15 17:33:47,158 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 595 transitions. Word has length 52 [2022-10-15 17:33:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:47,162 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 595 transitions. [2022-10-15 17:33:47,162 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,163 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 595 transitions. [2022-10-15 17:33:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 17:33:47,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:47,169 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] [2022-10-15 17:33:47,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:33:47,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:47,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:47,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1570903849, now seen corresponding path program 1 times [2022-10-15 17:33:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:47,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584715495] [2022-10-15 17:33:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:47,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:47,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584715495] [2022-10-15 17:33:47,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584715495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:47,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:47,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:33:47,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317452526] [2022-10-15 17:33:47,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:47,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:47,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:47,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:47,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:47,360 INFO L87 Difference]: Start difference. First operand 400 states and 595 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:47,399 INFO L93 Difference]: Finished difference Result 692 states and 1020 transitions. [2022-10-15 17:33:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:47,400 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), 0 states have call successors, (0), 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 52 [2022-10-15 17:33:47,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:47,406 INFO L225 Difference]: With dead ends: 692 [2022-10-15 17:33:47,406 INFO L226 Difference]: Without dead ends: 692 [2022-10-15 17:33:47,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:47,418 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 128 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 390 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 [2022-10-15 17:33:47,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 390 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-10-15 17:33:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 690. [2022-10-15 17:33:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 689 states have (on average 1.478955007256894) internal successors, (1019), 689 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1019 transitions. [2022-10-15 17:33:47,455 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1019 transitions. Word has length 52 [2022-10-15 17:33:47,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:47,459 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1019 transitions. [2022-10-15 17:33:47,459 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1019 transitions. [2022-10-15 17:33:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 17:33:47,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:47,471 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] [2022-10-15 17:33:47,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:33:47,474 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:47,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1320706551, now seen corresponding path program 1 times [2022-10-15 17:33:47,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:47,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484459572] [2022-10-15 17:33:47,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:47,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:47,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484459572] [2022-10-15 17:33:47,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484459572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:47,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:47,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:33:47,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181726844] [2022-10-15 17:33:47,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:47,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:47,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:47,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:47,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:47,557 INFO L87 Difference]: Start difference. First operand 690 states and 1019 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:47,601 INFO L93 Difference]: Finished difference Result 1211 states and 1741 transitions. [2022-10-15 17:33:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:47,602 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), 0 states have call successors, (0), 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 52 [2022-10-15 17:33:47,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:47,609 INFO L225 Difference]: With dead ends: 1211 [2022-10-15 17:33:47,609 INFO L226 Difference]: Without dead ends: 1211 [2022-10-15 17:33:47,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:47,611 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 137 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:47,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 398 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-10-15 17:33:47,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2022-10-15 17:33:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 1.4403973509933774) internal successors, (1740), 1208 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1740 transitions. [2022-10-15 17:33:47,647 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1740 transitions. Word has length 52 [2022-10-15 17:33:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:47,648 INFO L495 AbstractCegarLoop]: Abstraction has 1209 states and 1740 transitions. [2022-10-15 17:33:47,648 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1740 transitions. [2022-10-15 17:33:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 17:33:47,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:47,650 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] [2022-10-15 17:33:47,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:33:47,651 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:47,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:47,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1834372633, now seen corresponding path program 1 times [2022-10-15 17:33:47,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:47,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065784131] [2022-10-15 17:33:47,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:47,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:47,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:47,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065784131] [2022-10-15 17:33:47,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065784131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:47,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:47,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:33:47,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120315155] [2022-10-15 17:33:47,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:47,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:47,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:47,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:47,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:47,884 INFO L87 Difference]: Start difference. First operand 1209 states and 1740 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:47,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:47,985 INFO L93 Difference]: Finished difference Result 2006 states and 2918 transitions. [2022-10-15 17:33:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:47,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-15 17:33:47,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:47,997 INFO L225 Difference]: With dead ends: 2006 [2022-10-15 17:33:47,998 INFO L226 Difference]: Without dead ends: 2006 [2022-10-15 17:33:47,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:47,999 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 559 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:48,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 839 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:33:48,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2022-10-15 17:33:48,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1614. [2022-10-15 17:33:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1613 states have (on average 1.4476131432114072) internal successors, (2335), 1613 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2335 transitions. [2022-10-15 17:33:48,062 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2335 transitions. Word has length 53 [2022-10-15 17:33:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:48,063 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2335 transitions. [2022-10-15 17:33:48,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2335 transitions. [2022-10-15 17:33:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 17:33:48,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:48,065 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] [2022-10-15 17:33:48,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:33:48,066 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:48,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:48,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1785989049, now seen corresponding path program 1 times [2022-10-15 17:33:48,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:48,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117976520] [2022-10-15 17:33:48,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:48,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:48,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117976520] [2022-10-15 17:33:48,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117976520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:48,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:48,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:33:48,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833976555] [2022-10-15 17:33:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:48,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:48,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:48,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:48,242 INFO L87 Difference]: Start difference. First operand 1614 states and 2335 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:48,336 INFO L93 Difference]: Finished difference Result 2380 states and 3468 transitions. [2022-10-15 17:33:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:48,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-15 17:33:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:48,351 INFO L225 Difference]: With dead ends: 2380 [2022-10-15 17:33:48,352 INFO L226 Difference]: Without dead ends: 2380 [2022-10-15 17:33:48,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:48,354 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 563 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:48,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 859 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:48,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2022-10-15 17:33:48,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 1925. [2022-10-15 17:33:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1924 states have (on average 1.4527027027027026) internal successors, (2795), 1924 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2795 transitions. [2022-10-15 17:33:48,433 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2795 transitions. Word has length 53 [2022-10-15 17:33:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:48,434 INFO L495 AbstractCegarLoop]: Abstraction has 1925 states and 2795 transitions. [2022-10-15 17:33:48,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2795 transitions. [2022-10-15 17:33:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 17:33:48,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:48,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:48,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:33:48,438 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:48,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:48,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1176645599, now seen corresponding path program 1 times [2022-10-15 17:33:48,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:48,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420939970] [2022-10-15 17:33:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:48,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:48,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420939970] [2022-10-15 17:33:48,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420939970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:48,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:48,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:33:48,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268486832] [2022-10-15 17:33:48,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:48,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:48,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:48,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:48,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:48,625 INFO L87 Difference]: Start difference. First operand 1925 states and 2795 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:48,771 INFO L93 Difference]: Finished difference Result 2797 states and 4081 transitions. [2022-10-15 17:33:48,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:48,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-15 17:33:48,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:48,787 INFO L225 Difference]: With dead ends: 2797 [2022-10-15 17:33:48,787 INFO L226 Difference]: Without dead ends: 2797 [2022-10-15 17:33:48,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:48,789 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 565 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:48,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 989 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:33:48,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-10-15 17:33:48,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2223. [2022-10-15 17:33:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.4572457245724573) internal successors, (3238), 2222 states have internal predecessors, (3238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 3238 transitions. [2022-10-15 17:33:48,871 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 3238 transitions. Word has length 54 [2022-10-15 17:33:48,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:48,872 INFO L495 AbstractCegarLoop]: Abstraction has 2223 states and 3238 transitions. [2022-10-15 17:33:48,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3238 transitions. [2022-10-15 17:33:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 17:33:48,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:48,875 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] [2022-10-15 17:33:48,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:33:48,875 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:48,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:48,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1625242146, now seen corresponding path program 1 times [2022-10-15 17:33:48,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:48,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798607635] [2022-10-15 17:33:48,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:49,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:49,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798607635] [2022-10-15 17:33:49,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798607635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:49,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:49,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:33:49,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082289738] [2022-10-15 17:33:49,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:49,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:49,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:49,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:49,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:49,043 INFO L87 Difference]: Start difference. First operand 2223 states and 3238 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:49,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:49,248 INFO L93 Difference]: Finished difference Result 3095 states and 4461 transitions. [2022-10-15 17:33:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:49,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 17:33:49,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:49,265 INFO L225 Difference]: With dead ends: 3095 [2022-10-15 17:33:49,265 INFO L226 Difference]: Without dead ends: 3095 [2022-10-15 17:33:49,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:49,269 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 795 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:49,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 207 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:33:49,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2022-10-15 17:33:49,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 3077. [2022-10-15 17:33:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3077 states, 3076 states have (on average 1.4447334200260078) internal successors, (4444), 3076 states have internal predecessors, (4444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 3077 states and 4444 transitions. [2022-10-15 17:33:49,378 INFO L78 Accepts]: Start accepts. Automaton has 3077 states and 4444 transitions. Word has length 57 [2022-10-15 17:33:49,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:49,378 INFO L495 AbstractCegarLoop]: Abstraction has 3077 states and 4444 transitions. [2022-10-15 17:33:49,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 4444 transitions. [2022-10-15 17:33:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 17:33:49,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:49,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:49,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:33:49,382 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:49,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1198136650, now seen corresponding path program 1 times [2022-10-15 17:33:49,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:49,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563613640] [2022-10-15 17:33:49,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:49,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:49,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:49,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563613640] [2022-10-15 17:33:49,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563613640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:49,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:49,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:33:49,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196202595] [2022-10-15 17:33:49,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:49,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:49,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:49,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:49,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:49,502 INFO L87 Difference]: Start difference. First operand 3077 states and 4444 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:49,705 INFO L93 Difference]: Finished difference Result 4204 states and 5970 transitions. [2022-10-15 17:33:49,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:49,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 17:33:49,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:49,726 INFO L225 Difference]: With dead ends: 4204 [2022-10-15 17:33:49,727 INFO L226 Difference]: Without dead ends: 4204 [2022-10-15 17:33:49,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:49,728 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 792 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:49,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 197 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:33:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4204 states. [2022-10-15 17:33:49,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4204 to 3077. [2022-10-15 17:33:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3077 states, 3076 states have (on average 1.428478543563069) internal successors, (4394), 3076 states have internal predecessors, (4394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 3077 states and 4394 transitions. [2022-10-15 17:33:49,833 INFO L78 Accepts]: Start accepts. Automaton has 3077 states and 4394 transitions. Word has length 58 [2022-10-15 17:33:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:49,833 INFO L495 AbstractCegarLoop]: Abstraction has 3077 states and 4394 transitions. [2022-10-15 17:33:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 4394 transitions. [2022-10-15 17:33:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 17:33:49,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:49,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:49,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:33:49,837 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:49,838 INFO L85 PathProgramCache]: Analyzing trace with hash -153913959, now seen corresponding path program 1 times [2022-10-15 17:33:49,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:49,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257226987] [2022-10-15 17:33:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:49,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:49,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:49,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257226987] [2022-10-15 17:33:49,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257226987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:49,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:49,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:33:49,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826621942] [2022-10-15 17:33:49,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:49,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:33:49,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:49,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:33:49,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:33:49,986 INFO L87 Difference]: Start difference. First operand 3077 states and 4394 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:50,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:50,173 INFO L93 Difference]: Finished difference Result 4260 states and 6003 transitions. [2022-10-15 17:33:50,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:33:50,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 17:33:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:50,200 INFO L225 Difference]: With dead ends: 4260 [2022-10-15 17:33:50,200 INFO L226 Difference]: Without dead ends: 4260 [2022-10-15 17:33:50,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:50,202 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 737 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:50,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 209 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:33:50,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4260 states. [2022-10-15 17:33:50,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4260 to 4235. [2022-10-15 17:33:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4235 states, 4234 states have (on average 1.4121398205007085) internal successors, (5979), 4234 states have internal predecessors, (5979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 4235 states and 5979 transitions. [2022-10-15 17:33:50,360 INFO L78 Accepts]: Start accepts. Automaton has 4235 states and 5979 transitions. Word has length 58 [2022-10-15 17:33:50,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:50,361 INFO L495 AbstractCegarLoop]: Abstraction has 4235 states and 5979 transitions. [2022-10-15 17:33:50,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4235 states and 5979 transitions. [2022-10-15 17:33:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 17:33:50,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:50,369 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] [2022-10-15 17:33:50,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:33:50,370 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:50,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:50,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1572096567, now seen corresponding path program 1 times [2022-10-15 17:33:50,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:50,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318882590] [2022-10-15 17:33:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:50,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:50,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:50,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318882590] [2022-10-15 17:33:50,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318882590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:50,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:50,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:33:50,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161389599] [2022-10-15 17:33:50,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:50,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:33:50,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:50,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:33:50,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:50,562 INFO L87 Difference]: Start difference. First operand 4235 states and 5979 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 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) [2022-10-15 17:33:51,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:51,088 INFO L93 Difference]: Finished difference Result 16780 states and 23721 transitions. [2022-10-15 17:33:51,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:33:51,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 17:33:51,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:51,165 INFO L225 Difference]: With dead ends: 16780 [2022-10-15 17:33:51,165 INFO L226 Difference]: Without dead ends: 16780 [2022-10-15 17:33:51,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:33:51,167 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 2503 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2503 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:51,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2503 Valid, 388 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:33:51,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16780 states. [2022-10-15 17:33:51,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16780 to 4247. [2022-10-15 17:33:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4247 states, 4246 states have (on average 1.4119170984455958) internal successors, (5995), 4246 states have internal predecessors, (5995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:51,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 4247 states and 5995 transitions. [2022-10-15 17:33:51,402 INFO L78 Accepts]: Start accepts. Automaton has 4247 states and 5995 transitions. Word has length 59 [2022-10-15 17:33:51,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:51,402 INFO L495 AbstractCegarLoop]: Abstraction has 4247 states and 5995 transitions. [2022-10-15 17:33:51,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 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) [2022-10-15 17:33:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 5995 transitions. [2022-10-15 17:33:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 17:33:51,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:51,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:51,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:33:51,407 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:51,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1131093665, now seen corresponding path program 1 times [2022-10-15 17:33:51,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:51,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942624106] [2022-10-15 17:33:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:51,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:51,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942624106] [2022-10-15 17:33:51,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942624106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:51,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:51,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:33:51,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730306612] [2022-10-15 17:33:51,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:51,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:33:51,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:51,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:33:51,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:51,575 INFO L87 Difference]: Start difference. First operand 4247 states and 5995 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:51,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:52,000 INFO L93 Difference]: Finished difference Result 14103 states and 19800 transitions. [2022-10-15 17:33:52,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:33:52,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 17:33:52,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:52,037 INFO L225 Difference]: With dead ends: 14103 [2022-10-15 17:33:52,038 INFO L226 Difference]: Without dead ends: 14103 [2022-10-15 17:33:52,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:33:52,039 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1847 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:52,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1847 Valid, 328 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:33:52,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14103 states. [2022-10-15 17:33:52,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14103 to 4267. [2022-10-15 17:33:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 4266 states have (on average 1.4109235818096577) internal successors, (6019), 4266 states have internal predecessors, (6019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 6019 transitions. [2022-10-15 17:33:52,233 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 6019 transitions. Word has length 60 [2022-10-15 17:33:52,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:52,233 INFO L495 AbstractCegarLoop]: Abstraction has 4267 states and 6019 transitions. [2022-10-15 17:33:52,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 6019 transitions. [2022-10-15 17:33:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 17:33:52,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:52,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:52,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:33:52,237 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:52,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1840434496, now seen corresponding path program 1 times [2022-10-15 17:33:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:52,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383909152] [2022-10-15 17:33:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:52,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:52,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:52,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383909152] [2022-10-15 17:33:52,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383909152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:52,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:52,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:33:52,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890995007] [2022-10-15 17:33:52,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:52,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:33:52,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:52,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:33:52,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:33:52,408 INFO L87 Difference]: Start difference. First operand 4267 states and 6019 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:52,826 INFO L93 Difference]: Finished difference Result 17095 states and 24104 transitions. [2022-10-15 17:33:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:33:52,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 17:33:52,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:52,861 INFO L225 Difference]: With dead ends: 17095 [2022-10-15 17:33:52,861 INFO L226 Difference]: Without dead ends: 17095 [2022-10-15 17:33:52,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:33:52,862 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 2087 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:52,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 367 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:33:52,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17095 states. [2022-10-15 17:33:53,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17095 to 4345. [2022-10-15 17:33:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 4344 states have (on average 1.408609576427256) internal successors, (6119), 4344 states have internal predecessors, (6119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 6119 transitions. [2022-10-15 17:33:53,129 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 6119 transitions. Word has length 60 [2022-10-15 17:33:53,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:53,130 INFO L495 AbstractCegarLoop]: Abstraction has 4345 states and 6119 transitions. [2022-10-15 17:33:53,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 6119 transitions. [2022-10-15 17:33:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 17:33:53,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:53,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:53,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:33:53,138 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:53,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1556118219, now seen corresponding path program 1 times [2022-10-15 17:33:53,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:53,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46972233] [2022-10-15 17:33:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:53,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:53,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46972233] [2022-10-15 17:33:53,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46972233] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:53,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:53,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:33:53,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069748866] [2022-10-15 17:33:53,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:53,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:33:53,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:53,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:33:53,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:33:53,673 INFO L87 Difference]: Start difference. First operand 4345 states and 6119 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:55,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:55,079 INFO L93 Difference]: Finished difference Result 11241 states and 15729 transitions. [2022-10-15 17:33:55,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-15 17:33:55,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 17:33:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:55,115 INFO L225 Difference]: With dead ends: 11241 [2022-10-15 17:33:55,115 INFO L226 Difference]: Without dead ends: 11241 [2022-10-15 17:33:55,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2022-10-15 17:33:55,117 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 2033 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:55,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 1099 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 17:33:55,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11241 states. [2022-10-15 17:33:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11241 to 4345. [2022-10-15 17:33:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 4344 states have (on average 1.4072283609576428) internal successors, (6113), 4344 states have internal predecessors, (6113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 6113 transitions. [2022-10-15 17:33:55,304 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 6113 transitions. Word has length 62 [2022-10-15 17:33:55,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:55,304 INFO L495 AbstractCegarLoop]: Abstraction has 4345 states and 6113 transitions. [2022-10-15 17:33:55,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 6113 transitions. [2022-10-15 17:33:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 17:33:55,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:55,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:55,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:33:55,309 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash -443125389, now seen corresponding path program 1 times [2022-10-15 17:33:55,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:55,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096969140] [2022-10-15 17:33:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:55,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:55,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096969140] [2022-10-15 17:33:55,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096969140] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:55,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:55,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:33:55,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087458122] [2022-10-15 17:33:55,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:55,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:33:55,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:55,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:33:55,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:33:55,756 INFO L87 Difference]: Start difference. First operand 4345 states and 6113 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:56,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:56,978 INFO L93 Difference]: Finished difference Result 10913 states and 15291 transitions. [2022-10-15 17:33:56,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 17:33:56,979 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 17:33:56,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:57,005 INFO L225 Difference]: With dead ends: 10913 [2022-10-15 17:33:57,005 INFO L226 Difference]: Without dead ends: 10913 [2022-10-15 17:33:57,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2022-10-15 17:33:57,007 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 2120 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:57,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 1078 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 17:33:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10913 states. [2022-10-15 17:33:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10913 to 4261. [2022-10-15 17:33:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 4260 states have (on average 1.4046948356807512) internal successors, (5984), 4260 states have internal predecessors, (5984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 5984 transitions. [2022-10-15 17:33:57,175 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 5984 transitions. Word has length 62 [2022-10-15 17:33:57,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:57,176 INFO L495 AbstractCegarLoop]: Abstraction has 4261 states and 5984 transitions. [2022-10-15 17:33:57,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 5984 transitions. [2022-10-15 17:33:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 17:33:57,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:57,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:57,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:33:57,180 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:57,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:57,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1162737396, now seen corresponding path program 1 times [2022-10-15 17:33:57,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:57,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969533393] [2022-10-15 17:33:57,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:57,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:57,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969533393] [2022-10-15 17:33:57,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969533393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:57,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:57,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:33:57,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139915125] [2022-10-15 17:33:57,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:57,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:33:57,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:57,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:33:57,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:33:57,728 INFO L87 Difference]: Start difference. First operand 4261 states and 5984 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:59,050 INFO L93 Difference]: Finished difference Result 11324 states and 15840 transitions. [2022-10-15 17:33:59,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 17:33:59,054 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 17:33:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:59,079 INFO L225 Difference]: With dead ends: 11324 [2022-10-15 17:33:59,079 INFO L226 Difference]: Without dead ends: 11324 [2022-10-15 17:33:59,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2022-10-15 17:33:59,081 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1549 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:59,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 1554 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 17:33:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11324 states. [2022-10-15 17:33:59,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11324 to 4082. [2022-10-15 17:33:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4082 states, 4081 states have (on average 1.4021073266356285) internal successors, (5722), 4081 states have internal predecessors, (5722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 5722 transitions. [2022-10-15 17:33:59,239 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 5722 transitions. Word has length 62 [2022-10-15 17:33:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:59,239 INFO L495 AbstractCegarLoop]: Abstraction has 4082 states and 5722 transitions. [2022-10-15 17:33:59,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 5722 transitions. [2022-10-15 17:33:59,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 17:33:59,243 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:59,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:59,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:33:59,243 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:59,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:59,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1143949417, now seen corresponding path program 1 times [2022-10-15 17:33:59,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:59,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099762285] [2022-10-15 17:33:59,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:59,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:59,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:59,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099762285] [2022-10-15 17:33:59,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099762285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:59,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:59,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:33:59,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057773176] [2022-10-15 17:33:59,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:59,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:59,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:59,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:59,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:59,318 INFO L87 Difference]: Start difference. First operand 4082 states and 5722 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:59,347 INFO L93 Difference]: Finished difference Result 3975 states and 5507 transitions. [2022-10-15 17:33:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:59,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 17:33:59,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:59,393 INFO L225 Difference]: With dead ends: 3975 [2022-10-15 17:33:59,393 INFO L226 Difference]: Without dead ends: 3975 [2022-10-15 17:33:59,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:59,395 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 130 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:59,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 473 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2022-10-15 17:33:59,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 3973. [2022-10-15 17:33:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3973 states, 3972 states have (on average 1.3862034239677745) internal successors, (5506), 3972 states have internal predecessors, (5506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 5506 transitions. [2022-10-15 17:33:59,468 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 5506 transitions. Word has length 63 [2022-10-15 17:33:59,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:59,468 INFO L495 AbstractCegarLoop]: Abstraction has 3973 states and 5506 transitions. [2022-10-15 17:33:59,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 5506 transitions. [2022-10-15 17:33:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 17:33:59,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:59,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:59,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:33:59,473 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:59,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:59,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1363691260, now seen corresponding path program 1 times [2022-10-15 17:33:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:59,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121452509] [2022-10-15 17:33:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:59,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:59,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:59,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121452509] [2022-10-15 17:33:59,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121452509] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:59,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:59,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:33:59,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131328400] [2022-10-15 17:33:59,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:59,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:59,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:59,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:59,545 INFO L87 Difference]: Start difference. First operand 3973 states and 5506 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:59,573 INFO L93 Difference]: Finished difference Result 3380 states and 4591 transitions. [2022-10-15 17:33:59,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:59,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 17:33:59,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:59,581 INFO L225 Difference]: With dead ends: 3380 [2022-10-15 17:33:59,581 INFO L226 Difference]: Without dead ends: 3380 [2022-10-15 17:33:59,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:59,582 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 118 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:59,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 462 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-10-15 17:33:59,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3378. [2022-10-15 17:33:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3378 states, 3377 states have (on average 1.3591945513769619) internal successors, (4590), 3377 states have internal predecessors, (4590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4590 transitions. [2022-10-15 17:33:59,652 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4590 transitions. Word has length 63 [2022-10-15 17:33:59,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:59,652 INFO L495 AbstractCegarLoop]: Abstraction has 3378 states and 4590 transitions. [2022-10-15 17:33:59,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4590 transitions. [2022-10-15 17:33:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 17:33:59,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:59,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:33:59,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 17:33:59,656 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:59,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:59,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1254313906, now seen corresponding path program 1 times [2022-10-15 17:33:59,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:59,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224494043] [2022-10-15 17:33:59,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:59,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:33:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:33:59,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:33:59,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224494043] [2022-10-15 17:33:59,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224494043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:33:59,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:33:59,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:33:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952157848] [2022-10-15 17:33:59,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:33:59,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:33:59,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:33:59,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:33:59,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:33:59,725 INFO L87 Difference]: Start difference. First operand 3378 states and 4590 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:33:59,759 INFO L93 Difference]: Finished difference Result 2783 states and 3691 transitions. [2022-10-15 17:33:59,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:33:59,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 17:33:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:33:59,768 INFO L225 Difference]: With dead ends: 2783 [2022-10-15 17:33:59,769 INFO L226 Difference]: Without dead ends: 2783 [2022-10-15 17:33:59,769 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 [2022-10-15 17:33:59,771 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 148 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:33:59,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 477 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:33:59,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2022-10-15 17:33:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2781. [2022-10-15 17:33:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2780 states have (on average 1.3273381294964028) internal successors, (3690), 2780 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3690 transitions. [2022-10-15 17:33:59,840 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3690 transitions. Word has length 63 [2022-10-15 17:33:59,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:33:59,841 INFO L495 AbstractCegarLoop]: Abstraction has 2781 states and 3690 transitions. [2022-10-15 17:33:59,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:33:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3690 transitions. [2022-10-15 17:33:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 17:33:59,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:33:59,845 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] [2022-10-15 17:33:59,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 17:33:59,845 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:33:59,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:33:59,846 INFO L85 PathProgramCache]: Analyzing trace with hash -424034558, now seen corresponding path program 1 times [2022-10-15 17:33:59,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:33:59,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834659836] [2022-10-15 17:33:59,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:33:59,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:33:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:01,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834659836] [2022-10-15 17:34:01,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834659836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:01,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:01,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-15 17:34:01,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852068394] [2022-10-15 17:34:01,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:01,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-15 17:34:01,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:01,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-15 17:34:01,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:34:01,389 INFO L87 Difference]: Start difference. First operand 2781 states and 3690 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:06,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:06,662 INFO L93 Difference]: Finished difference Result 6735 states and 9032 transitions. [2022-10-15 17:34:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-15 17:34:06,663 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 17:34:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:06,678 INFO L225 Difference]: With dead ends: 6735 [2022-10-15 17:34:06,679 INFO L226 Difference]: Without dead ends: 6735 [2022-10-15 17:34:06,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=345, Invalid=1461, Unknown=0, NotChecked=0, Total=1806 [2022-10-15 17:34:06,681 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 2066 mSDsluCounter, 6467 mSDsCounter, 0 mSdLazyCounter, 3844 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 6966 SdHoareTripleChecker+Invalid, 3877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:06,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 6966 Invalid, 3877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 3844 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-15 17:34:06,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2022-10-15 17:34:06,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 2787. [2022-10-15 17:34:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2786 states have (on average 1.3269921033740129) internal successors, (3697), 2786 states have internal predecessors, (3697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3697 transitions. [2022-10-15 17:34:06,764 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3697 transitions. Word has length 64 [2022-10-15 17:34:06,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:06,764 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 3697 transitions. [2022-10-15 17:34:06,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3697 transitions. [2022-10-15 17:34:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 17:34:06,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:06,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:06,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 17:34:06,768 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:06,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash 250019910, now seen corresponding path program 1 times [2022-10-15 17:34:06,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:06,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456290100] [2022-10-15 17:34:06,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:06,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:08,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:08,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:08,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456290100] [2022-10-15 17:34:08,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456290100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:08,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:08,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-15 17:34:08,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850001870] [2022-10-15 17:34:08,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:08,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-15 17:34:08,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:08,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-15 17:34:08,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:34:08,291 INFO L87 Difference]: Start difference. First operand 2787 states and 3697 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:15,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:15,030 INFO L93 Difference]: Finished difference Result 8228 states and 11067 transitions. [2022-10-15 17:34:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-15 17:34:15,033 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 17:34:15,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:15,048 INFO L225 Difference]: With dead ends: 8228 [2022-10-15 17:34:15,049 INFO L226 Difference]: Without dead ends: 8228 [2022-10-15 17:34:15,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=472, Invalid=1978, Unknown=0, NotChecked=0, Total=2450 [2022-10-15 17:34:15,051 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 2260 mSDsluCounter, 7800 mSDsCounter, 0 mSdLazyCounter, 4573 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 8349 SdHoareTripleChecker+Invalid, 4604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:15,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 8349 Invalid, 4604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4573 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-15 17:34:15,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8228 states. [2022-10-15 17:34:15,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8228 to 2787. [2022-10-15 17:34:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2786 states have (on average 1.3266331658291457) internal successors, (3696), 2786 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3696 transitions. [2022-10-15 17:34:15,189 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3696 transitions. Word has length 64 [2022-10-15 17:34:15,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:15,190 INFO L495 AbstractCegarLoop]: Abstraction has 2787 states and 3696 transitions. [2022-10-15 17:34:15,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3696 transitions. [2022-10-15 17:34:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 17:34:15,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:15,194 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] [2022-10-15 17:34:15,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 17:34:15,195 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:15,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:15,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1940234754, now seen corresponding path program 1 times [2022-10-15 17:34:15,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:15,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076391879] [2022-10-15 17:34:15,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:16,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:16,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076391879] [2022-10-15 17:34:16,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076391879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:16,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:16,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-15 17:34:16,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245727840] [2022-10-15 17:34:16,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:16,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-15 17:34:16,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:16,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-15 17:34:16,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:34:16,590 INFO L87 Difference]: Start difference. First operand 2787 states and 3696 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:22,415 INFO L93 Difference]: Finished difference Result 6591 states and 8833 transitions. [2022-10-15 17:34:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-15 17:34:22,415 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 17:34:22,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:22,430 INFO L225 Difference]: With dead ends: 6591 [2022-10-15 17:34:22,431 INFO L226 Difference]: Without dead ends: 6591 [2022-10-15 17:34:22,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=391, Invalid=1865, Unknown=0, NotChecked=0, Total=2256 [2022-10-15 17:34:22,432 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 2058 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 4007 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 6988 SdHoareTripleChecker+Invalid, 4048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 4007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:22,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 6988 Invalid, 4048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 4007 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-15 17:34:22,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2022-10-15 17:34:22,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 2799. [2022-10-15 17:34:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2798 states have (on average 1.3263045032165832) internal successors, (3711), 2798 states have internal predecessors, (3711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3711 transitions. [2022-10-15 17:34:22,533 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3711 transitions. Word has length 64 [2022-10-15 17:34:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:22,534 INFO L495 AbstractCegarLoop]: Abstraction has 2799 states and 3711 transitions. [2022-10-15 17:34:22,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3711 transitions. [2022-10-15 17:34:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 17:34:22,538 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:22,538 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] [2022-10-15 17:34:22,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 17:34:22,539 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:22,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:22,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1380487795, now seen corresponding path program 1 times [2022-10-15 17:34:22,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:22,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562473581] [2022-10-15 17:34:22,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:22,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:22,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:22,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562473581] [2022-10-15 17:34:22,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562473581] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:22,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:22,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:34:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025490883] [2022-10-15 17:34:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:22,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:34:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:22,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:34:22,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:22,609 INFO L87 Difference]: Start difference. First operand 2799 states and 3711 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:22,677 INFO L93 Difference]: Finished difference Result 3696 states and 4926 transitions. [2022-10-15 17:34:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:34:22,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 17:34:22,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:22,686 INFO L225 Difference]: With dead ends: 3696 [2022-10-15 17:34:22,686 INFO L226 Difference]: Without dead ends: 3696 [2022-10-15 17:34:22,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:22,689 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 150 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:22,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 305 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:34:22,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-10-15 17:34:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2633. [2022-10-15 17:34:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2632 states have (on average 1.3248480243161094) internal successors, (3487), 2632 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3487 transitions. [2022-10-15 17:34:22,757 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3487 transitions. Word has length 64 [2022-10-15 17:34:22,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:22,757 INFO L495 AbstractCegarLoop]: Abstraction has 2633 states and 3487 transitions. [2022-10-15 17:34:22,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3487 transitions. [2022-10-15 17:34:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 17:34:22,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:22,761 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] [2022-10-15 17:34:22,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 17:34:22,762 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:22,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1914859187, now seen corresponding path program 1 times [2022-10-15 17:34:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:22,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566529473] [2022-10-15 17:34:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:22,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:22,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:22,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566529473] [2022-10-15 17:34:22,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566529473] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:22,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:22,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:34:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081608565] [2022-10-15 17:34:22,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:22,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:34:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:34:22,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:22,819 INFO L87 Difference]: Start difference. First operand 2633 states and 3487 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:22,863 INFO L93 Difference]: Finished difference Result 3450 states and 4601 transitions. [2022-10-15 17:34:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:34:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 17:34:22,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:22,872 INFO L225 Difference]: With dead ends: 3450 [2022-10-15 17:34:22,872 INFO L226 Difference]: Without dead ends: 3450 [2022-10-15 17:34:22,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:22,873 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 152 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:22,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 306 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:34:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2022-10-15 17:34:22,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 2453. [2022-10-15 17:34:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2453 states, 2452 states have (on average 1.3250407830342577) internal successors, (3249), 2452 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2453 states and 3249 transitions. [2022-10-15 17:34:22,941 INFO L78 Accepts]: Start accepts. Automaton has 2453 states and 3249 transitions. Word has length 64 [2022-10-15 17:34:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:22,941 INFO L495 AbstractCegarLoop]: Abstraction has 2453 states and 3249 transitions. [2022-10-15 17:34:22,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 3249 transitions. [2022-10-15 17:34:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 17:34:22,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:22,945 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] [2022-10-15 17:34:22,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 17:34:22,945 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:22,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:22,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1138559632, now seen corresponding path program 1 times [2022-10-15 17:34:22,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:22,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612160019] [2022-10-15 17:34:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:22,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:23,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:23,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612160019] [2022-10-15 17:34:23,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612160019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:23,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:23,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-15 17:34:23,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106328768] [2022-10-15 17:34:23,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:23,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-15 17:34:23,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:23,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-15 17:34:23,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-10-15 17:34:23,929 INFO L87 Difference]: Start difference. First operand 2453 states and 3249 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:27,970 INFO L93 Difference]: Finished difference Result 8534 states and 11467 transitions. [2022-10-15 17:34:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-15 17:34:27,971 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 17:34:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:28,011 INFO L225 Difference]: With dead ends: 8534 [2022-10-15 17:34:28,012 INFO L226 Difference]: Without dead ends: 8534 [2022-10-15 17:34:28,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=448, Invalid=1714, Unknown=0, NotChecked=0, Total=2162 [2022-10-15 17:34:28,013 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 2621 mSDsluCounter, 5104 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 5717 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:28,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 5717 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 17:34:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8534 states. [2022-10-15 17:34:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8534 to 2405. [2022-10-15 17:34:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2404 states have (on average 1.3248752079866888) internal successors, (3185), 2404 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3185 transitions. [2022-10-15 17:34:28,116 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3185 transitions. Word has length 65 [2022-10-15 17:34:28,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:28,116 INFO L495 AbstractCegarLoop]: Abstraction has 2405 states and 3185 transitions. [2022-10-15 17:34:28,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3185 transitions. [2022-10-15 17:34:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 17:34:28,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:28,120 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] [2022-10-15 17:34:28,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 17:34:28,120 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:28,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:28,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1339466768, now seen corresponding path program 1 times [2022-10-15 17:34:28,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:28,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811348959] [2022-10-15 17:34:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:28,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:28,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811348959] [2022-10-15 17:34:28,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811348959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:28,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:28,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-15 17:34:28,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007859978] [2022-10-15 17:34:28,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:28,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 17:34:28,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:28,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 17:34:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-15 17:34:28,786 INFO L87 Difference]: Start difference. First operand 2405 states and 3185 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:30,141 INFO L93 Difference]: Finished difference Result 4815 states and 6458 transitions. [2022-10-15 17:34:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-15 17:34:30,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 17:34:30,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:30,149 INFO L225 Difference]: With dead ends: 4815 [2022-10-15 17:34:30,149 INFO L226 Difference]: Without dead ends: 4815 [2022-10-15 17:34:30,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2022-10-15 17:34:30,150 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 1561 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:30,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 2310 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 17:34:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4815 states. [2022-10-15 17:34:30,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4815 to 2329. [2022-10-15 17:34:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2329 states, 2328 states have (on average 1.3260309278350515) internal successors, (3087), 2328 states have internal predecessors, (3087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 3087 transitions. [2022-10-15 17:34:30,216 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 3087 transitions. Word has length 65 [2022-10-15 17:34:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:30,216 INFO L495 AbstractCegarLoop]: Abstraction has 2329 states and 3087 transitions. [2022-10-15 17:34:30,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 3087 transitions. [2022-10-15 17:34:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 17:34:30,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:30,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:30,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 17:34:30,221 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash -427633856, now seen corresponding path program 1 times [2022-10-15 17:34:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:30,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649861823] [2022-10-15 17:34:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:30,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:30,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:30,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649861823] [2022-10-15 17:34:30,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649861823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:30,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:30,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:34:30,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900646591] [2022-10-15 17:34:30,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:30,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:34:30,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:30,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:34:30,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:34:30,383 INFO L87 Difference]: Start difference. First operand 2329 states and 3087 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:30,454 INFO L93 Difference]: Finished difference Result 2128 states and 2827 transitions. [2022-10-15 17:34:30,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:34:30,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-15 17:34:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:30,458 INFO L225 Difference]: With dead ends: 2128 [2022-10-15 17:34:30,459 INFO L226 Difference]: Without dead ends: 2128 [2022-10-15 17:34:30,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:34:30,460 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 390 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:30,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 604 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:34:30,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-10-15 17:34:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2124. [2022-10-15 17:34:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 2123 states have (on average 1.3306641544983513) internal successors, (2825), 2123 states have internal predecessors, (2825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2825 transitions. [2022-10-15 17:34:30,503 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2825 transitions. Word has length 68 [2022-10-15 17:34:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:30,503 INFO L495 AbstractCegarLoop]: Abstraction has 2124 states and 2825 transitions. [2022-10-15 17:34:30,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2825 transitions. [2022-10-15 17:34:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 17:34:30,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:30,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:30,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 17:34:30,508 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:30,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:30,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1513353753, now seen corresponding path program 1 times [2022-10-15 17:34:30,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:30,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681065578] [2022-10-15 17:34:30,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:30,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:30,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:30,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681065578] [2022-10-15 17:34:30,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681065578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:30,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:30,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:34:30,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253981842] [2022-10-15 17:34:30,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:30,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:34:30,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:30,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:34:30,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:30,628 INFO L87 Difference]: Start difference. First operand 2124 states and 2825 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) [2022-10-15 17:34:30,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:30,656 INFO L93 Difference]: Finished difference Result 3686 states and 4896 transitions. [2022-10-15 17:34:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:34:30,657 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 71 [2022-10-15 17:34:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:30,664 INFO L225 Difference]: With dead ends: 3686 [2022-10-15 17:34:30,664 INFO L226 Difference]: Without dead ends: 3686 [2022-10-15 17:34:30,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:30,665 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 98 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:30,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 394 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:34:30,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2022-10-15 17:34:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3458. [2022-10-15 17:34:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 3457 states have (on average 1.3358403239803298) internal successors, (4618), 3457 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 4618 transitions. [2022-10-15 17:34:30,739 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 4618 transitions. Word has length 71 [2022-10-15 17:34:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:30,740 INFO L495 AbstractCegarLoop]: Abstraction has 3458 states and 4618 transitions. [2022-10-15 17:34:30,740 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) [2022-10-15 17:34:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 4618 transitions. [2022-10-15 17:34:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 17:34:30,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:30,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:30,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 17:34:30,744 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:30,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash 87467842, now seen corresponding path program 1 times [2022-10-15 17:34:30,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:30,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368008318] [2022-10-15 17:34:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:30,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:30,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:30,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368008318] [2022-10-15 17:34:30,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368008318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:30,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:30,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:34:30,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426719455] [2022-10-15 17:34:30,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:30,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:34:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:30,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:34:30,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:30,872 INFO L87 Difference]: Start difference. First operand 3458 states and 4618 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) [2022-10-15 17:34:30,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:30,914 INFO L93 Difference]: Finished difference Result 6199 states and 8203 transitions. [2022-10-15 17:34:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:34:30,914 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 [2022-10-15 17:34:30,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:30,925 INFO L225 Difference]: With dead ends: 6199 [2022-10-15 17:34:30,926 INFO L226 Difference]: Without dead ends: 6199 [2022-10-15 17:34:30,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:30,928 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 88 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:30,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 385 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:34:30,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6199 states. [2022-10-15 17:34:31,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6199 to 5745. [2022-10-15 17:34:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5745 states, 5744 states have (on average 1.3314763231197773) internal successors, (7648), 5744 states have internal predecessors, (7648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5745 states to 5745 states and 7648 transitions. [2022-10-15 17:34:31,060 INFO L78 Accepts]: Start accepts. Automaton has 5745 states and 7648 transitions. Word has length 72 [2022-10-15 17:34:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:31,061 INFO L495 AbstractCegarLoop]: Abstraction has 5745 states and 7648 transitions. [2022-10-15 17:34:31,062 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) [2022-10-15 17:34:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5745 states and 7648 transitions. [2022-10-15 17:34:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:34:31,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:31,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:31,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 17:34:31,065 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1178358807, now seen corresponding path program 1 times [2022-10-15 17:34:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:31,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396708126] [2022-10-15 17:34:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:31,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:31,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:31,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396708126] [2022-10-15 17:34:31,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396708126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:31,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:31,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:34:31,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362151889] [2022-10-15 17:34:31,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:31,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:34:31,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:31,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:34:31,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:31,196 INFO L87 Difference]: Start difference. First operand 5745 states and 7648 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:31,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:31,240 INFO L93 Difference]: Finished difference Result 10298 states and 13440 transitions. [2022-10-15 17:34:31,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:34:31,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 17:34:31,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:31,255 INFO L225 Difference]: With dead ends: 10298 [2022-10-15 17:34:31,256 INFO L226 Difference]: Without dead ends: 10298 [2022-10-15 17:34:31,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:31,257 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 98 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:31,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 370 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:34:31,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10298 states. [2022-10-15 17:34:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10298 to 9504. [2022-10-15 17:34:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9504 states, 9503 states have (on average 1.318636220141008) internal successors, (12531), 9503 states have internal predecessors, (12531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9504 states to 9504 states and 12531 transitions. [2022-10-15 17:34:31,469 INFO L78 Accepts]: Start accepts. Automaton has 9504 states and 12531 transitions. Word has length 74 [2022-10-15 17:34:31,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:31,470 INFO L495 AbstractCegarLoop]: Abstraction has 9504 states and 12531 transitions. [2022-10-15 17:34:31,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 9504 states and 12531 transitions. [2022-10-15 17:34:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:34:31,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:31,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:31,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 17:34:31,474 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:31,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1504202340, now seen corresponding path program 1 times [2022-10-15 17:34:31,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:31,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570498823] [2022-10-15 17:34:31,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:31,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:31,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570498823] [2022-10-15 17:34:31,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570498823] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:31,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:31,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:34:31,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986125627] [2022-10-15 17:34:31,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:31,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:34:31,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:31,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:34:31,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:34:31,715 INFO L87 Difference]: Start difference. First operand 9504 states and 12531 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:31,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:31,860 INFO L93 Difference]: Finished difference Result 20280 states and 26035 transitions. [2022-10-15 17:34:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 17:34:31,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 17:34:31,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:31,904 INFO L225 Difference]: With dead ends: 20280 [2022-10-15 17:34:31,905 INFO L226 Difference]: Without dead ends: 20280 [2022-10-15 17:34:31,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:34:31,908 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 295 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:31,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 903 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:34:31,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20280 states. [2022-10-15 17:34:32,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20280 to 10488. [2022-10-15 17:34:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10488 states, 10487 states have (on average 1.2887384380661773) internal successors, (13515), 10487 states have internal predecessors, (13515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10488 states to 10488 states and 13515 transitions. [2022-10-15 17:34:32,188 INFO L78 Accepts]: Start accepts. Automaton has 10488 states and 13515 transitions. Word has length 75 [2022-10-15 17:34:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:32,189 INFO L495 AbstractCegarLoop]: Abstraction has 10488 states and 13515 transitions. [2022-10-15 17:34:32,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 10488 states and 13515 transitions. [2022-10-15 17:34:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 17:34:32,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:32,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:32,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 17:34:32,192 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1668309570, now seen corresponding path program 1 times [2022-10-15 17:34:32,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:32,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370592173] [2022-10-15 17:34:32,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:32,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:32,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370592173] [2022-10-15 17:34:32,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370592173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:34:32,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:34:32,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:34:32,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998674226] [2022-10-15 17:34:32,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:34:32,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:34:32,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:34:32,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:34:32,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:32,256 INFO L87 Difference]: Start difference. First operand 10488 states and 13515 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:32,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:34:32,311 INFO L93 Difference]: Finished difference Result 15494 states and 19548 transitions. [2022-10-15 17:34:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:34:32,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-15 17:34:32,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:34:32,340 INFO L225 Difference]: With dead ends: 15494 [2022-10-15 17:34:32,340 INFO L226 Difference]: Without dead ends: 15494 [2022-10-15 17:34:32,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:34:32,342 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 113 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:34:32,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 313 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:34:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15494 states. [2022-10-15 17:34:32,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15494 to 15492. [2022-10-15 17:34:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15492 states, 15491 states have (on average 1.2618294493576916) internal successors, (19547), 15491 states have internal predecessors, (19547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15492 states to 15492 states and 19547 transitions. [2022-10-15 17:34:32,671 INFO L78 Accepts]: Start accepts. Automaton has 15492 states and 19547 transitions. Word has length 76 [2022-10-15 17:34:32,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:34:32,672 INFO L495 AbstractCegarLoop]: Abstraction has 15492 states and 19547 transitions. [2022-10-15 17:34:32,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:34:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 15492 states and 19547 transitions. [2022-10-15 17:34:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 17:34:32,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:34:32,680 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:34:32,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 17:34:32,680 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:34:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:34:32,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1627547032, now seen corresponding path program 1 times [2022-10-15 17:34:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:34:32,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035749263] [2022-10-15 17:34:32,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:32,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:34:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:34:33,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:34:33,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035749263] [2022-10-15 17:34:33,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035749263] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:34:33,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627496178] [2022-10-15 17:34:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:34:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:34:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:34:33,116 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) [2022-10-15 17:34:33,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 17:34:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:34:33,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-15 17:34:33,312 INFO L286 TraceCheckSpWp]: Computing forward predicates...