./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e73e85347bbfce4f45897bd7cee996074c05d40818a217b9a91bb8d2644bc292 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:46:36,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:46:36,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:46:36,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:46:36,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:46:36,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:46:36,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:46:36,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:46:36,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:46:36,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:46:36,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:46:36,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:46:36,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:46:36,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:46:36,701 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:46:36,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:46:36,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:46:36,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:46:36,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:46:36,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:46:36,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:46:36,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:46:36,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:46:36,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:46:36,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:46:36,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:46:36,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:46:36,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:46:36,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:46:36,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:46:36,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:46:36,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:46:36,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:46:36,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:46:36,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:46:36,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:46:36,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:46:36,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:46:36,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:46:36,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:46:36,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:46:36,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:46:36,715 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73e85347bbfce4f45897bd7cee996074c05d40818a217b9a91bb8d2644bc292 [2024-10-14 07:46:36,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:46:36,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:46:36,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:46:36,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:46:36,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:46:36,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i [2024-10-14 07:46:38,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:46:38,601 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:46:38,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i [2024-10-14 07:46:38,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5961b787/ea8f120a177d4fab8c18e4498782500d/FLAGaceb3cb41 [2024-10-14 07:46:38,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5961b787/ea8f120a177d4fab8c18e4498782500d [2024-10-14 07:46:38,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:46:38,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:46:38,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:46:38,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:46:38,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:46:38,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:46:38" (1/1) ... [2024-10-14 07:46:38,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c91c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:38, skipping insertion in model container [2024-10-14 07:46:38,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:46:38" (1/1) ... [2024-10-14 07:46:38,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:46:38,814 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i[917,930] [2024-10-14 07:46:38,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:46:38,893 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:46:38,907 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i[917,930] [2024-10-14 07:46:38,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:46:39,022 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:46:39,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39 WrapperNode [2024-10-14 07:46:39,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:46:39,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:46:39,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:46:39,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:46:39,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,098 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-10-14 07:46:39,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:46:39,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:46:39,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:46:39,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:46:39,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,138 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 07:46:39,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:46:39,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:46:39,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:46:39,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:46:39,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (1/1) ... [2024-10-14 07:46:39,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:46:39,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:46:39,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:46:39,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:46:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:46:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:46:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:46:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:46:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:46:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:46:39,339 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:46:39,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:46:39,684 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 07:46:39,684 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:46:39,738 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:46:39,738 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:46:39,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:46:39 BoogieIcfgContainer [2024-10-14 07:46:39,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:46:39,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:46:39,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:46:39,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:46:39,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:46:38" (1/3) ... [2024-10-14 07:46:39,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ffc3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:46:39, skipping insertion in model container [2024-10-14 07:46:39,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:46:39" (2/3) ... [2024-10-14 07:46:39,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ffc3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:46:39, skipping insertion in model container [2024-10-14 07:46:39,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:46:39" (3/3) ... [2024-10-14 07:46:39,750 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-86.i [2024-10-14 07:46:39,772 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:46:39,772 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:46:39,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:46:39,853 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@520545dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:46:39,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:46:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 07:46:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 07:46:39,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:46:39,873 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:46:39,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:46:39,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:46:39,883 INFO L85 PathProgramCache]: Analyzing trace with hash 218506999, now seen corresponding path program 1 times [2024-10-14 07:46:39,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:46:39,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914738499] [2024-10-14 07:46:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:46:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:46:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:46:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:46:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:46:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:46:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:46:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:46:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:46:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:46:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:46:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:46:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:46:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:46:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:46:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:46:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:46:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:46:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:46:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:46:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:46:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:46:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:46:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:46:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:46:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:46:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:46:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:46:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:46:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:46:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:46:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:46:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:46:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:46:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:46:40,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:46:40,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914738499] [2024-10-14 07:46:40,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914738499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:46:40,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:46:40,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:46:40,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246903719] [2024-10-14 07:46:40,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:46:40,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:46:40,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:46:40,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:46:40,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:46:40,493 INFO L87 Difference]: Start difference. First operand has 73 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 07:46:40,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:46:40,553 INFO L93 Difference]: Finished difference Result 143 states and 261 transitions. [2024-10-14 07:46:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:46:40,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 185 [2024-10-14 07:46:40,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:46:40,567 INFO L225 Difference]: With dead ends: 143 [2024-10-14 07:46:40,567 INFO L226 Difference]: Without dead ends: 71 [2024-10-14 07:46:40,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:46:40,577 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:46:40,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:46:40,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-14 07:46:40,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-14 07:46:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 07:46:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2024-10-14 07:46:40,628 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 185 [2024-10-14 07:46:40,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:46:40,629 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2024-10-14 07:46:40,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 07:46:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2024-10-14 07:46:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 07:46:40,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:46:40,634 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:46:40,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:46:40,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:46:40,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:46:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash 862613237, now seen corresponding path program 1 times [2024-10-14 07:46:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:46:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244930188] [2024-10-14 07:46:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:46:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:46:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:47:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:47:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:47:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:47:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:47:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:47:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:47:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:47:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:47:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:47:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:47:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:47:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:47:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:47:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:47:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:47:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:47:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:47:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:47:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:47:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:47:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:47:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:47:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:47:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:47:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:47:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:47:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:47:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:47:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:47:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:47:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:47:00,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:47:00,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244930188] [2024-10-14 07:47:00,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244930188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:47:00,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:47:00,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 07:47:00,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702453754] [2024-10-14 07:47:00,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:47:00,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 07:47:00,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:47:00,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 07:47:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-14 07:47:00,280 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:03,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:47:03,091 INFO L93 Difference]: Finished difference Result 186 states and 281 transitions. [2024-10-14 07:47:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 07:47:03,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 185 [2024-10-14 07:47:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:47:03,097 INFO L225 Difference]: With dead ends: 186 [2024-10-14 07:47:03,097 INFO L226 Difference]: Without dead ends: 116 [2024-10-14 07:47:03,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-14 07:47:03,099 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 81 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 07:47:03,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 551 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 07:47:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-14 07:47:03,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 84. [2024-10-14 07:47:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 07:47:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 128 transitions. [2024-10-14 07:47:03,119 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 128 transitions. Word has length 185 [2024-10-14 07:47:03,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:47:03,121 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 128 transitions. [2024-10-14 07:47:03,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2024-10-14 07:47:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 07:47:03,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:47:03,126 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:47:03,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:47:03,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:47:03,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:47:03,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1120778675, now seen corresponding path program 1 times [2024-10-14 07:47:03,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:47:03,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139669008] [2024-10-14 07:47:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:47:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:47:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:47:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:47:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:47:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:47:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:47:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:47:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:47:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:47:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:47:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:47:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:47:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:47:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:47:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:47:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:47:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:47:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:47:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:47:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:47:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:47:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:47:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:47:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:47:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:47:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:47:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:47:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:47:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:47:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:47:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:47:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:47:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:47:03,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:47:03,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139669008] [2024-10-14 07:47:03,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139669008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:47:03,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:47:03,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:47:03,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871529804] [2024-10-14 07:47:03,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:47:03,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 07:47:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:47:03,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 07:47:03,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:47:03,266 INFO L87 Difference]: Start difference. First operand 84 states and 128 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:47:03,373 INFO L93 Difference]: Finished difference Result 195 states and 294 transitions. [2024-10-14 07:47:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 07:47:03,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 185 [2024-10-14 07:47:03,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:47:03,376 INFO L225 Difference]: With dead ends: 195 [2024-10-14 07:47:03,378 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 07:47:03,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:47:03,380 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 44 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:47:03,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 250 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:47:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 07:47:03,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2024-10-14 07:47:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 68 states have internal predecessors, (86), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:47:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions. [2024-10-14 07:47:03,407 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 185 [2024-10-14 07:47:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:47:03,408 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 164 transitions. [2024-10-14 07:47:03,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2024-10-14 07:47:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 07:47:03,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:47:03,415 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:47:03,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:47:03,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:47:03,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:47:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1251209672, now seen corresponding path program 1 times [2024-10-14 07:47:03,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:47:03,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037996701] [2024-10-14 07:47:03,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:47:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:47:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:47:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:47:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:47:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:47:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:47:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:47:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:47:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:47:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:47:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:47:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:47:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:47:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:47:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:47:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:47:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:47:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:47:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:47:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:47:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:47:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:47:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:47:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:47:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:47:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:47:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:47:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:47:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:47:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:47:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:47:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:47:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:47:13,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:47:13,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037996701] [2024-10-14 07:47:13,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037996701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:47:13,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:47:13,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 07:47:13,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695595138] [2024-10-14 07:47:13,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:47:13,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 07:47:13,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:47:13,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 07:47:13,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-14 07:47:13,552 INFO L87 Difference]: Start difference. First operand 109 states and 164 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:16,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:47:16,364 INFO L93 Difference]: Finished difference Result 192 states and 272 transitions. [2024-10-14 07:47:16,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 07:47:16,365 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 186 [2024-10-14 07:47:16,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:47:16,369 INFO L225 Difference]: With dead ends: 192 [2024-10-14 07:47:16,369 INFO L226 Difference]: Without dead ends: 190 [2024-10-14 07:47:16,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-14 07:47:16,375 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 114 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 07:47:16,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 708 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 07:47:16,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-14 07:47:16,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 113. [2024-10-14 07:47:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 72 states have internal predecessors, (93), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:47:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2024-10-14 07:47:16,400 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 186 [2024-10-14 07:47:16,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:47:16,401 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2024-10-14 07:47:16,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2024-10-14 07:47:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 07:47:16,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:47:16,404 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:47:16,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:47:16,405 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:47:16,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:47:16,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1644236682, now seen corresponding path program 1 times [2024-10-14 07:47:16,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:47:16,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848211589] [2024-10-14 07:47:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:47:16,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:47:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:47:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:47:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:47:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:47:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:47:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:47:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:47:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:47:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:47:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:47:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:47:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:47:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:47:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:47:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:47:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:47:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:47:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:47:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:47:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:47:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:47:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:47:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:47:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:47:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:47:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:47:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:47:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:47:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:47:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:47:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:47:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:47:22,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:47:22,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848211589] [2024-10-14 07:47:22,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848211589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:47:22,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:47:22,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 07:47:22,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236837667] [2024-10-14 07:47:22,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:47:22,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 07:47:22,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:47:22,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 07:47:22,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-14 07:47:22,650 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:47:24,301 INFO L93 Difference]: Finished difference Result 273 states and 400 transitions. [2024-10-14 07:47:24,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 07:47:24,306 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 186 [2024-10-14 07:47:24,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:47:24,308 INFO L225 Difference]: With dead ends: 273 [2024-10-14 07:47:24,308 INFO L226 Difference]: Without dead ends: 161 [2024-10-14 07:47:24,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-10-14 07:47:24,310 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 148 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 07:47:24,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 596 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 07:47:24,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-14 07:47:24,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 123. [2024-10-14 07:47:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 82 states have internal predecessors, (107), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:47:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions. [2024-10-14 07:47:24,330 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 186 [2024-10-14 07:47:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:47:24,334 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 185 transitions. [2024-10-14 07:47:24,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2024-10-14 07:47:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 07:47:24,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:47:24,337 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:47:24,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 07:47:24,337 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:47:24,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:47:24,338 INFO L85 PathProgramCache]: Analyzing trace with hash 970102453, now seen corresponding path program 1 times [2024-10-14 07:47:24,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:47:24,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059214917] [2024-10-14 07:47:24,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:47:24,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:47:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:47:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:47:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:47:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:47:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:47:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:47:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:47:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:47:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:47:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:47:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:47:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:47:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:47:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:47:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:47:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:47:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:47:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:47:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:47:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:47:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:47:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:47:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:47:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:47:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:47:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:47:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:47:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:47:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:47:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:47:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:47:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:47:35,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:47:35,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059214917] [2024-10-14 07:47:35,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059214917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:47:35,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:47:35,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 07:47:35,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370212117] [2024-10-14 07:47:35,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:47:35,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 07:47:35,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:47:35,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 07:47:35,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-14 07:47:35,146 INFO L87 Difference]: Start difference. First operand 123 states and 185 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:37,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:47:37,671 INFO L93 Difference]: Finished difference Result 159 states and 226 transitions. [2024-10-14 07:47:37,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 07:47:37,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 186 [2024-10-14 07:47:37,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:47:37,675 INFO L225 Difference]: With dead ends: 159 [2024-10-14 07:47:37,675 INFO L226 Difference]: Without dead ends: 157 [2024-10-14 07:47:37,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-10-14 07:47:37,676 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 131 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 07:47:37,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 486 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 07:47:37,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-14 07:47:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 130. [2024-10-14 07:47:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 89 states have internal predecessors, (117), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:47:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2024-10-14 07:47:37,687 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 186 [2024-10-14 07:47:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:47:37,688 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2024-10-14 07:47:37,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2024-10-14 07:47:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 07:47:37,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:47:37,690 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:47:37,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 07:47:37,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:47:37,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:47:37,691 INFO L85 PathProgramCache]: Analyzing trace with hash 970162035, now seen corresponding path program 1 times [2024-10-14 07:47:37,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:47:37,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857981269] [2024-10-14 07:47:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:47:37,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:47:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:47:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:47:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:47:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:47:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:47:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:47:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:47:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:47:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:47:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:47:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:47:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:47:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:47:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:47:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:47:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:47:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:47:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:47:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:47:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:47:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:47:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:47:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:47:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:47:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:47:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:47:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:47:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:47:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:47:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:47:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:47:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:47:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:47:52,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:47:52,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857981269] [2024-10-14 07:47:52,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857981269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:47:52,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:47:52,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 07:47:52,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201999625] [2024-10-14 07:47:52,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:47:52,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 07:47:52,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:47:52,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 07:47:52,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-14 07:47:52,454 INFO L87 Difference]: Start difference. First operand 130 states and 195 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:55,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:47:55,126 INFO L93 Difference]: Finished difference Result 157 states and 224 transitions. [2024-10-14 07:47:55,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 07:47:55,127 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 186 [2024-10-14 07:47:55,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:47:55,129 INFO L225 Difference]: With dead ends: 157 [2024-10-14 07:47:55,129 INFO L226 Difference]: Without dead ends: 155 [2024-10-14 07:47:55,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-10-14 07:47:55,130 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 93 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:47:55,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 436 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 07:47:55,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-14 07:47:55,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 130. [2024-10-14 07:47:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 89 states have internal predecessors, (117), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:47:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2024-10-14 07:47:55,151 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 186 [2024-10-14 07:47:55,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:47:55,151 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2024-10-14 07:47:55,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:47:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2024-10-14 07:47:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 07:47:55,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:47:55,155 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:47:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 07:47:55,156 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:47:55,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:47:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1669140645, now seen corresponding path program 1 times [2024-10-14 07:47:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:47:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542238579] [2024-10-14 07:47:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:47:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:47:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat