./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_fillercode_fillercodesize_ps-cn-250_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_fillercode_fillercodesize_ps-cn-250_file-92.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 d7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 03:27:57,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 03:27:57,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 03:27:57,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 03:27:57,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 03:27:57,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 03:27:57,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 03:27:57,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 03:27:57,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 03:27:57,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 03:27:57,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 03:27:57,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 03:27:57,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 03:27:57,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 03:27:57,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 03:27:57,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 03:27:57,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 03:27:57,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 03:27:57,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 03:27:57,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 03:27:57,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 03:27:57,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 03:27:57,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 03:27:57,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 03:27:57,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 03:27:57,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 03:27:57,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 03:27:57,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 03:27:57,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 03:27:57,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 03:27:57,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 03:27:57,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 03:27:57,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:27:57,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 03:27:57,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 03:27:57,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 03:27:57,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 03:27:57,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 03:27:57,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 03:27:57,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 03:27:57,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 03:27:57,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 03:27:57,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0 [2024-11-20 03:27:58,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 03:27:58,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 03:27:58,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 03:27:58,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 03:27:58,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 03:27:58,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-11-20 03:27:59,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 03:27:59,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 03:27:59,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-11-20 03:27:59,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497337a47/e6906174cb50403389dc716cf9697516/FLAGcfab0a93c [2024-11-20 03:28:00,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497337a47/e6906174cb50403389dc716cf9697516 [2024-11-20 03:28:00,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 03:28:00,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 03:28:00,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 03:28:00,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 03:28:00,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 03:28:00,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64568929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00, skipping insertion in model container [2024-11-20 03:28:00,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 03:28:00,336 WARN L250 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_fillercode_fillercodesize_ps-cn-250_file-92.i[916,929] [2024-11-20 03:28:00,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:28:00,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 03:28:00,529 WARN L250 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_fillercode_fillercodesize_ps-cn-250_file-92.i[916,929] [2024-11-20 03:28:00,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:28:00,618 INFO L204 MainTranslator]: Completed translation [2024-11-20 03:28:00,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00 WrapperNode [2024-11-20 03:28:00,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 03:28:00,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 03:28:00,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 03:28:00,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 03:28:00,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,727 INFO L138 Inliner]: procedures = 26, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 505 [2024-11-20 03:28:00,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 03:28:00,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 03:28:00,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 03:28:00,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 03:28:00,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,759 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,801 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]. [2024-11-20 03:28:00,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 03:28:00,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 03:28:00,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 03:28:00,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 03:28:00,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (1/1) ... [2024-11-20 03:28:00,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:28:00,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:28:00,905 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) [2024-11-20 03:28:00,908 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 [2024-11-20 03:28:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 03:28:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 03:28:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 03:28:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 03:28:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 03:28:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 03:28:01,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 03:28:01,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 03:28:01,884 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-20 03:28:01,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 03:28:01,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 03:28:01,903 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 03:28:01,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:28:01 BoogieIcfgContainer [2024-11-20 03:28:01,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 03:28:01,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 03:28:01,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 03:28:01,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 03:28:01,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:28:00" (1/3) ... [2024-11-20 03:28:01,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eaa612b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:28:01, skipping insertion in model container [2024-11-20 03:28:01,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:28:00" (2/3) ... [2024-11-20 03:28:01,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eaa612b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:28:01, skipping insertion in model container [2024-11-20 03:28:01,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:28:01" (3/3) ... [2024-11-20 03:28:01,912 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-11-20 03:28:01,928 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 03:28:01,928 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 03:28:02,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 03:28:02,018 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;@2fa76197, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 03:28:02,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 03:28:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 151 states have (on average 1.576158940397351) internal successors, (238), 152 states have internal predecessors, (238), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 03:28:02,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-20 03:28:02,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:02,045 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:02,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:02,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash 762517885, now seen corresponding path program 1 times [2024-11-20 03:28:02,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:02,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512876588] [2024-11-20 03:28:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:02,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:02,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:02,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512876588] [2024-11-20 03:28:02,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512876588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:02,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:02,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 03:28:02,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411728987] [2024-11-20 03:28:02,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:02,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 03:28:02,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:02,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 03:28:02,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:28:02,906 INFO L87 Difference]: Start difference. First operand has 212 states, 151 states have (on average 1.576158940397351) internal successors, (238), 152 states have internal predecessors, (238), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-20 03:28:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:02,960 INFO L93 Difference]: Finished difference Result 417 states and 760 transitions. [2024-11-20 03:28:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 03:28:02,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) Word has length 375 [2024-11-20 03:28:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:02,975 INFO L225 Difference]: With dead ends: 417 [2024-11-20 03:28:02,976 INFO L226 Difference]: Without dead ends: 208 [2024-11-20 03:28:02,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:28:02,989 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:02,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:28:03,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-20 03:28:03,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-20 03:28:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 148 states have internal predecessors, (231), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 03:28:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 347 transitions. [2024-11-20 03:28:03,068 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 347 transitions. Word has length 375 [2024-11-20 03:28:03,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:03,069 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 347 transitions. [2024-11-20 03:28:03,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-20 03:28:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2024-11-20 03:28:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-20 03:28:03,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:03,080 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:03,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 03:28:03,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:03,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:03,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1403999639, now seen corresponding path program 1 times [2024-11-20 03:28:03,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:03,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631627657] [2024-11-20 03:28:03,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:03,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:03,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631627657] [2024-11-20 03:28:03,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631627657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:03,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:03,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 03:28:03,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691154801] [2024-11-20 03:28:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:03,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 03:28:03,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:03,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 03:28:03,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:28:03,647 INFO L87 Difference]: Start difference. First operand 208 states and 347 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:03,752 INFO L93 Difference]: Finished difference Result 552 states and 924 transitions. [2024-11-20 03:28:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 03:28:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-11-20 03:28:03,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:03,761 INFO L225 Difference]: With dead ends: 552 [2024-11-20 03:28:03,761 INFO L226 Difference]: Without dead ends: 347 [2024-11-20 03:28:03,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:28:03,764 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 243 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:03,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 680 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 03:28:03,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-20 03:28:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2024-11-20 03:28:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 253 states have (on average 1.5612648221343874) internal successors, (395), 254 states have internal predecessors, (395), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-20 03:28:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 571 transitions. [2024-11-20 03:28:03,814 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 571 transitions. Word has length 375 [2024-11-20 03:28:03,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:03,816 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 571 transitions. [2024-11-20 03:28:03,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 571 transitions. [2024-11-20 03:28:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-20 03:28:03,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:03,822 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:03,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 03:28:03,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:03,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1341921513, now seen corresponding path program 1 times [2024-11-20 03:28:03,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:03,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963700699] [2024-11-20 03:28:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:03,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:04,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:04,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963700699] [2024-11-20 03:28:04,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963700699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:04,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:04,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 03:28:04,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508470846] [2024-11-20 03:28:04,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:04,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 03:28:04,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:04,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 03:28:04,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:28:04,187 INFO L87 Difference]: Start difference. First operand 344 states and 571 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:04,265 INFO L93 Difference]: Finished difference Result 693 states and 1146 transitions. [2024-11-20 03:28:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 03:28:04,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-11-20 03:28:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:04,272 INFO L225 Difference]: With dead ends: 693 [2024-11-20 03:28:04,273 INFO L226 Difference]: Without dead ends: 352 [2024-11-20 03:28:04,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:28:04,275 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 221 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:04,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 737 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:28:04,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-20 03:28:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 270. [2024-11-20 03:28:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 209 states have (on average 1.5645933014354068) internal successors, (327), 209 states have internal predecessors, (327), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 03:28:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 443 transitions. [2024-11-20 03:28:04,307 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 443 transitions. Word has length 375 [2024-11-20 03:28:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:04,308 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 443 transitions. [2024-11-20 03:28:04,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 443 transitions. [2024-11-20 03:28:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-20 03:28:04,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:04,312 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:04,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 03:28:04,313 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:04,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1978975809, now seen corresponding path program 1 times [2024-11-20 03:28:04,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:04,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989941319] [2024-11-20 03:28:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:04,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:04,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989941319] [2024-11-20 03:28:04,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989941319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:04,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:04,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:28:04,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592554910] [2024-11-20 03:28:04,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:04,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:28:04,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:04,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:28:04,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:28:04,784 INFO L87 Difference]: Start difference. First operand 270 states and 443 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:05,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:05,495 INFO L93 Difference]: Finished difference Result 995 states and 1618 transitions. [2024-11-20 03:28:05,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:28:05,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-11-20 03:28:05,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:05,504 INFO L225 Difference]: With dead ends: 995 [2024-11-20 03:28:05,506 INFO L226 Difference]: Without dead ends: 728 [2024-11-20 03:28:05,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:28:05,509 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 610 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:05,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 893 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 03:28:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-20 03:28:05,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 424. [2024-11-20 03:28:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 321 states have (on average 1.5514018691588785) internal successors, (498), 322 states have internal predecessors, (498), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-20 03:28:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 694 transitions. [2024-11-20 03:28:05,568 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 694 transitions. Word has length 375 [2024-11-20 03:28:05,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:05,572 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 694 transitions. [2024-11-20 03:28:05,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 694 transitions. [2024-11-20 03:28:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-20 03:28:05,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:05,578 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:05,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 03:28:05,578 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:05,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:05,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2074572434, now seen corresponding path program 1 times [2024-11-20 03:28:05,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:05,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019839570] [2024-11-20 03:28:05,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:05,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:05,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:05,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019839570] [2024-11-20 03:28:05,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019839570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:05,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:05,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 03:28:05,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229706816] [2024-11-20 03:28:05,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:05,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 03:28:05,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:05,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 03:28:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:28:05,977 INFO L87 Difference]: Start difference. First operand 424 states and 694 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:06,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:06,024 INFO L93 Difference]: Finished difference Result 846 states and 1385 transitions. [2024-11-20 03:28:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 03:28:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 376 [2024-11-20 03:28:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:06,028 INFO L225 Difference]: With dead ends: 846 [2024-11-20 03:28:06,029 INFO L226 Difference]: Without dead ends: 425 [2024-11-20 03:28:06,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:28:06,031 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 199 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:06,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 785 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:28:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-20 03:28:06,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 422. [2024-11-20 03:28:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 319 states have (on average 1.54858934169279) internal successors, (494), 320 states have internal predecessors, (494), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-20 03:28:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 690 transitions. [2024-11-20 03:28:06,056 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 690 transitions. Word has length 376 [2024-11-20 03:28:06,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:06,057 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 690 transitions. [2024-11-20 03:28:06,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 690 transitions. [2024-11-20 03:28:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-20 03:28:06,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:06,060 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:06,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 03:28:06,060 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:06,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:06,061 INFO L85 PathProgramCache]: Analyzing trace with hash -425080673, now seen corresponding path program 1 times [2024-11-20 03:28:06,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:06,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589947583] [2024-11-20 03:28:06,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:06,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:06,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:06,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589947583] [2024-11-20 03:28:06,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589947583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:06,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:06,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 03:28:06,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980741923] [2024-11-20 03:28:06,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:06,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 03:28:06,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 03:28:06,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:28:06,900 INFO L87 Difference]: Start difference. First operand 422 states and 690 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:07,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:07,380 INFO L93 Difference]: Finished difference Result 1288 states and 2101 transitions. [2024-11-20 03:28:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:28:07,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 376 [2024-11-20 03:28:07,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:07,390 INFO L225 Difference]: With dead ends: 1288 [2024-11-20 03:28:07,390 INFO L226 Difference]: Without dead ends: 869 [2024-11-20 03:28:07,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:28:07,393 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 389 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:07,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1254 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 03:28:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-11-20 03:28:07,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 841. [2024-11-20 03:28:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 636 states have (on average 1.550314465408805) internal successors, (986), 638 states have internal predecessors, (986), 196 states have call successors, (196), 8 states have call predecessors, (196), 8 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-20 03:28:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1378 transitions. [2024-11-20 03:28:07,473 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1378 transitions. Word has length 376 [2024-11-20 03:28:07,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:07,477 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1378 transitions. [2024-11-20 03:28:07,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1378 transitions. [2024-11-20 03:28:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-20 03:28:07,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:07,480 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:07,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 03:28:07,481 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:07,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:07,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1035159793, now seen corresponding path program 1 times [2024-11-20 03:28:07,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:07,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784856793] [2024-11-20 03:28:07,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:07,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:09,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:09,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784856793] [2024-11-20 03:28:09,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784856793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:09,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:09,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 03:28:09,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573109814] [2024-11-20 03:28:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:09,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 03:28:09,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:09,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 03:28:09,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 03:28:09,230 INFO L87 Difference]: Start difference. First operand 841 states and 1378 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:09,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:09,838 INFO L93 Difference]: Finished difference Result 2051 states and 3359 transitions. [2024-11-20 03:28:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:28:09,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 377 [2024-11-20 03:28:09,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:09,846 INFO L225 Difference]: With dead ends: 2051 [2024-11-20 03:28:09,846 INFO L226 Difference]: Without dead ends: 1213 [2024-11-20 03:28:09,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 03:28:09,851 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 358 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:09,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1507 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 03:28:09,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2024-11-20 03:28:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1179. [2024-11-20 03:28:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 914 states have (on average 1.5634573304157549) internal successors, (1429), 916 states have internal predecessors, (1429), 254 states have call successors, (254), 10 states have call predecessors, (254), 10 states have return successors, (254), 252 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-20 03:28:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1937 transitions. [2024-11-20 03:28:09,961 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1937 transitions. Word has length 377 [2024-11-20 03:28:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:09,962 INFO L471 AbstractCegarLoop]: Abstraction has 1179 states and 1937 transitions. [2024-11-20 03:28:09,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1937 transitions. [2024-11-20 03:28:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-20 03:28:09,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:09,965 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:09,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 03:28:09,965 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:09,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:09,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2102675660, now seen corresponding path program 1 times [2024-11-20 03:28:09,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:09,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209654240] [2024-11-20 03:28:09,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:09,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-20 03:28:10,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:10,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209654240] [2024-11-20 03:28:10,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209654240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 03:28:10,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559638553] [2024-11-20 03:28:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:10,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:10,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:28:10,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 03:28:10,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 03:28:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:10,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 03:28:10,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 03:28:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 2857 proven. 51 refuted. 0 times theorem prover too weak. 3704 trivial. 0 not checked. [2024-11-20 03:28:11,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 03:28:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-20 03:28:11,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559638553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 03:28:11,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 03:28:11,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-20 03:28:11,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409586422] [2024-11-20 03:28:11,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 03:28:11,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 03:28:11,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:11,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 03:28:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 03:28:11,631 INFO L87 Difference]: Start difference. First operand 1179 states and 1937 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-11-20 03:28:12,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:12,094 INFO L93 Difference]: Finished difference Result 1736 states and 2838 transitions. [2024-11-20 03:28:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 03:28:12,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 379 [2024-11-20 03:28:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:12,101 INFO L225 Difference]: With dead ends: 1736 [2024-11-20 03:28:12,101 INFO L226 Difference]: Without dead ends: 821 [2024-11-20 03:28:12,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 870 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-20 03:28:12,107 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 435 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:12,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 712 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 03:28:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-20 03:28:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 809. [2024-11-20 03:28:12,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 625 states have (on average 1.5488) internal successors, (968), 625 states have internal predecessors, (968), 174 states have call successors, (174), 9 states have call predecessors, (174), 9 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-20 03:28:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1316 transitions. [2024-11-20 03:28:12,179 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1316 transitions. Word has length 379 [2024-11-20 03:28:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:12,180 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1316 transitions. [2024-11-20 03:28:12,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-11-20 03:28:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1316 transitions. [2024-11-20 03:28:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-20 03:28:12,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:12,184 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:12,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 03:28:12,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:12,386 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:12,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:12,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2037812527, now seen corresponding path program 1 times [2024-11-20 03:28:12,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:12,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521223284] [2024-11-20 03:28:12,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:12,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:12,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521223284] [2024-11-20 03:28:12,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521223284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:12,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:12,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:28:12,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464369308] [2024-11-20 03:28:12,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:12,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:28:12,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:12,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:28:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:28:12,959 INFO L87 Difference]: Start difference. First operand 809 states and 1316 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:13,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:13,848 INFO L93 Difference]: Finished difference Result 3173 states and 5170 transitions. [2024-11-20 03:28:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:28:13,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 379 [2024-11-20 03:28:13,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:13,863 INFO L225 Difference]: With dead ends: 3173 [2024-11-20 03:28:13,864 INFO L226 Difference]: Without dead ends: 2555 [2024-11-20 03:28:13,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:28:13,867 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 915 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:13,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1467 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 03:28:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2024-11-20 03:28:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2513. [2024-11-20 03:28:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 1963 states have (on average 1.553234844625573) internal successors, (3049), 1963 states have internal predecessors, (3049), 522 states have call successors, (522), 27 states have call predecessors, (522), 27 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-20 03:28:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 4093 transitions. [2024-11-20 03:28:14,134 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 4093 transitions. Word has length 379 [2024-11-20 03:28:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:14,135 INFO L471 AbstractCegarLoop]: Abstraction has 2513 states and 4093 transitions. [2024-11-20 03:28:14,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 4093 transitions. [2024-11-20 03:28:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-20 03:28:14,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:14,139 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:14,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 03:28:14,139 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:14,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:14,139 INFO L85 PathProgramCache]: Analyzing trace with hash -666005229, now seen corresponding path program 1 times [2024-11-20 03:28:14,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:14,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154784136] [2024-11-20 03:28:14,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:14,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 198 proven. 138 refuted. 0 times theorem prover too weak. 6276 trivial. 0 not checked. [2024-11-20 03:28:18,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154784136] [2024-11-20 03:28:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154784136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 03:28:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932014222] [2024-11-20 03:28:18,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:18,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:18,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:28:18,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 03:28:18,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 03:28:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:18,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 03:28:18,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 03:28:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4223 proven. 138 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2024-11-20 03:28:19,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 03:28:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-20 03:28:20,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932014222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 03:28:20,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 03:28:20,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 8] total 21 [2024-11-20 03:28:20,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350391677] [2024-11-20 03:28:20,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 03:28:20,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-20 03:28:20,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:20,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-20 03:28:20,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-20 03:28:20,177 INFO L87 Difference]: Start difference. First operand 2513 states and 4093 transitions. Second operand has 21 states, 21 states have (on average 7.523809523809524) internal successors, (158), 21 states have internal predecessors, (158), 5 states have call successors, (118), 3 states have call predecessors, (118), 6 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-20 03:28:23,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:23,855 INFO L93 Difference]: Finished difference Result 7825 states and 12564 transitions. [2024-11-20 03:28:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-20 03:28:23,856 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.523809523809524) internal successors, (158), 21 states have internal predecessors, (158), 5 states have call successors, (118), 3 states have call predecessors, (118), 6 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) Word has length 379 [2024-11-20 03:28:23,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:23,885 INFO L225 Difference]: With dead ends: 7825 [2024-11-20 03:28:23,886 INFO L226 Difference]: Without dead ends: 5483 [2024-11-20 03:28:23,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 926 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=874, Invalid=2548, Unknown=0, NotChecked=0, Total=3422 [2024-11-20 03:28:23,896 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 5038 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 1496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5066 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 3360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1496 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:23,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5066 Valid, 1511 Invalid, 3360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1496 Valid, 1864 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-20 03:28:23,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2024-11-20 03:28:24,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2621. [2024-11-20 03:28:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 2044 states have (on average 1.5195694716242663) internal successors, (3106), 2044 states have internal predecessors, (3106), 522 states have call successors, (522), 54 states have call predecessors, (522), 54 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-20 03:28:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 4150 transitions. [2024-11-20 03:28:24,189 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 4150 transitions. Word has length 379 [2024-11-20 03:28:24,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:24,190 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 4150 transitions. [2024-11-20 03:28:24,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.523809523809524) internal successors, (158), 21 states have internal predecessors, (158), 5 states have call successors, (118), 3 states have call predecessors, (118), 6 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-20 03:28:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 4150 transitions. [2024-11-20 03:28:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-20 03:28:24,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:24,193 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:24,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 03:28:24,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 03:28:24,397 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:24,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash -417858735, now seen corresponding path program 1 times [2024-11-20 03:28:24,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:24,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98450219] [2024-11-20 03:28:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:26,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 210 proven. 126 refuted. 0 times theorem prover too weak. 6276 trivial. 0 not checked. [2024-11-20 03:28:27,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:27,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98450219] [2024-11-20 03:28:27,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98450219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 03:28:27,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864576056] [2024-11-20 03:28:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:27,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:28:27,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 03:28:27,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 03:28:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:27,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 03:28:27,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 03:28:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4247 proven. 126 refuted. 0 times theorem prover too weak. 2239 trivial. 0 not checked. [2024-11-20 03:28:28,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 03:28:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 210 proven. 129 refuted. 0 times theorem prover too weak. 6273 trivial. 0 not checked. [2024-11-20 03:28:29,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864576056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 03:28:29,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 03:28:29,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 25 [2024-11-20 03:28:29,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339907360] [2024-11-20 03:28:29,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 03:28:29,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-20 03:28:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:29,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-20 03:28:29,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-11-20 03:28:29,152 INFO L87 Difference]: Start difference. First operand 2621 states and 4150 transitions. Second operand has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-20 03:28:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:36,327 INFO L93 Difference]: Finished difference Result 11156 states and 17357 transitions. [2024-11-20 03:28:36,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-11-20 03:28:36,328 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) Word has length 379 [2024-11-20 03:28:36,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:36,416 INFO L225 Difference]: With dead ends: 11156 [2024-11-20 03:28:36,417 INFO L226 Difference]: Without dead ends: 8930 [2024-11-20 03:28:36,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 871 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5348 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3101, Invalid=11179, Unknown=0, NotChecked=0, Total=14280 [2024-11-20 03:28:36,429 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 4120 mSDsluCounter, 3682 mSDsCounter, 0 mSdLazyCounter, 4147 mSolverCounterSat, 1868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4146 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 6015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 4147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:36,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4146 Valid, 4272 Invalid, 6015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1868 Valid, 4147 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-20 03:28:36,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8930 states. [2024-11-20 03:28:36,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8930 to 2812. [2024-11-20 03:28:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2218 states have (on average 1.5229936880072137) internal successors, (3378), 2218 states have internal predecessors, (3378), 522 states have call successors, (522), 71 states have call predecessors, (522), 71 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-20 03:28:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4422 transitions. [2024-11-20 03:28:36,885 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4422 transitions. Word has length 379 [2024-11-20 03:28:36,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:36,886 INFO L471 AbstractCegarLoop]: Abstraction has 2812 states and 4422 transitions. [2024-11-20 03:28:36,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-20 03:28:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4422 transitions. [2024-11-20 03:28:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-20 03:28:36,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:36,890 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:36,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 03:28:37,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:37,091 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:37,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:37,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1295002135, now seen corresponding path program 1 times [2024-11-20 03:28:37,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:37,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540797635] [2024-11-20 03:28:37,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:37,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:37,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540797635] [2024-11-20 03:28:37,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540797635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:37,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:37,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:28:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344752807] [2024-11-20 03:28:37,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:37,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:28:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:28:37,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:28:37,352 INFO L87 Difference]: Start difference. First operand 2812 states and 4422 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:37,842 INFO L93 Difference]: Finished difference Result 7198 states and 11481 transitions. [2024-11-20 03:28:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:28:37,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 381 [2024-11-20 03:28:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:37,867 INFO L225 Difference]: With dead ends: 7198 [2024-11-20 03:28:37,867 INFO L226 Difference]: Without dead ends: 4777 [2024-11-20 03:28:37,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:28:37,876 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 233 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:37,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1033 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 03:28:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4777 states. [2024-11-20 03:28:38,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4777 to 4767. [2024-11-20 03:28:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4767 states, 3988 states have (on average 1.5727181544633901) internal successors, (6272), 3996 states have internal predecessors, (6272), 698 states have call successors, (698), 80 states have call predecessors, (698), 80 states have return successors, (698), 690 states have call predecessors, (698), 698 states have call successors, (698) [2024-11-20 03:28:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 7668 transitions. [2024-11-20 03:28:38,373 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 7668 transitions. Word has length 381 [2024-11-20 03:28:38,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:38,374 INFO L471 AbstractCegarLoop]: Abstraction has 4767 states and 7668 transitions. [2024-11-20 03:28:38,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 7668 transitions. [2024-11-20 03:28:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-20 03:28:38,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:38,380 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:38,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 03:28:38,381 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:38,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:38,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1954533657, now seen corresponding path program 1 times [2024-11-20 03:28:38,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:38,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202566568] [2024-11-20 03:28:38,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:28:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:28:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 03:28:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:28:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 03:28:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:28:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 03:28:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:28:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:28:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:28:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:28:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:28:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:28:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:28:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 03:28:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:28:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:28:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:28:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:28:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:28:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:28:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:28:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:28:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:28:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:28:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:28:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:28:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 03:28:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:28:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 03:28:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:28:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 03:28:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:28:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:28:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:28:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:28:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:28:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:28:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 03:28:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 03:28:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 03:28:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 03:28:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 03:28:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-20 03:28:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 03:28:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 03:28:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 03:28:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 03:28:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-20 03:28:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-20 03:28:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-20 03:28:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 03:28:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 03:28:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 03:28:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 03:28:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 03:28:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 03:28:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 03:28:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-20 03:28:39,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202566568] [2024-11-20 03:28:39,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202566568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:28:39,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:28:39,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 03:28:39,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679922117] [2024-11-20 03:28:39,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:28:39,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 03:28:39,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:39,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 03:28:39,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 03:28:39,337 INFO L87 Difference]: Start difference. First operand 4767 states and 7668 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:40,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:40,099 INFO L93 Difference]: Finished difference Result 8719 states and 13990 transitions. [2024-11-20 03:28:40,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 03:28:40,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 381 [2024-11-20 03:28:40,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:40,119 INFO L225 Difference]: With dead ends: 8719 [2024-11-20 03:28:40,119 INFO L226 Difference]: Without dead ends: 4745 [2024-11-20 03:28:40,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:28:40,132 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 609 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:40,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1012 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 03:28:40,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4745 states. [2024-11-20 03:28:40,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4743. [2024-11-20 03:28:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 3964 states have (on average 1.5640766902119072) internal successors, (6200), 3972 states have internal predecessors, (6200), 698 states have call successors, (698), 80 states have call predecessors, (698), 80 states have return successors, (698), 690 states have call predecessors, (698), 698 states have call successors, (698) [2024-11-20 03:28:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 7596 transitions. [2024-11-20 03:28:40,527 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 7596 transitions. Word has length 381 [2024-11-20 03:28:40,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:40,527 INFO L471 AbstractCegarLoop]: Abstraction has 4743 states and 7596 transitions. [2024-11-20 03:28:40,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-20 03:28:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 7596 transitions. [2024-11-20 03:28:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-20 03:28:40,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:40,532 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:40,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 03:28:40,533 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:40,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash 729497428, now seen corresponding path program 1 times [2024-11-20 03:28:40,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:40,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521743607] [2024-11-20 03:28:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 03:28:40,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063591154] [2024-11-20 03:28:40,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:40,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:28:40,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 03:28:40,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 03:28:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:41,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 03:28:41,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 03:28:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4247 proven. 126 refuted. 0 times theorem prover too weak. 2239 trivial. 0 not checked. [2024-11-20 03:28:41,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 03:28:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 81 proven. 90 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-20 03:28:43,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:28:43,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521743607] [2024-11-20 03:28:43,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 03:28:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063591154] [2024-11-20 03:28:43,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063591154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 03:28:43,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 03:28:43,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2024-11-20 03:28:43,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673018538] [2024-11-20 03:28:43,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 03:28:43,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-20 03:28:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:28:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-20 03:28:43,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2024-11-20 03:28:43,553 INFO L87 Difference]: Start difference. First operand 4743 states and 7596 transitions. Second operand has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 26 states have internal predecessors, (159), 5 states have call successors, (88), 3 states have call predecessors, (88), 6 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) [2024-11-20 03:28:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:28:55,096 INFO L93 Difference]: Finished difference Result 13755 states and 21423 transitions. [2024-11-20 03:28:55,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-20 03:28:55,097 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 26 states have internal predecessors, (159), 5 states have call successors, (88), 3 states have call predecessors, (88), 6 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) Word has length 381 [2024-11-20 03:28:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:28:55,146 INFO L225 Difference]: With dead ends: 13755 [2024-11-20 03:28:55,146 INFO L226 Difference]: Without dead ends: 11809 [2024-11-20 03:28:55,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6609 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=3527, Invalid=14295, Unknown=0, NotChecked=0, Total=17822 [2024-11-20 03:28:55,164 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 2776 mSDsluCounter, 4148 mSDsCounter, 0 mSdLazyCounter, 5610 mSolverCounterSat, 1198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 6808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1198 IncrementalHoareTripleChecker+Valid, 5610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:28:55,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 4729 Invalid, 6808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1198 Valid, 5610 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-20 03:28:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11809 states. [2024-11-20 03:28:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11809 to 5065. [2024-11-20 03:28:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5065 states, 4286 states have (on average 1.570695286980868) internal successors, (6732), 4294 states have internal predecessors, (6732), 698 states have call successors, (698), 80 states have call predecessors, (698), 80 states have return successors, (698), 690 states have call predecessors, (698), 698 states have call successors, (698) [2024-11-20 03:28:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 8128 transitions. [2024-11-20 03:28:55,890 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 8128 transitions. Word has length 381 [2024-11-20 03:28:55,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:28:55,891 INFO L471 AbstractCegarLoop]: Abstraction has 5065 states and 8128 transitions. [2024-11-20 03:28:55,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.115384615384615) internal successors, (159), 26 states have internal predecessors, (159), 5 states have call successors, (88), 3 states have call predecessors, (88), 6 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) [2024-11-20 03:28:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 8128 transitions. [2024-11-20 03:28:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-20 03:28:55,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:28:55,895 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:28:55,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 03:28:56,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:56,096 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:28:56,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:28:56,097 INFO L85 PathProgramCache]: Analyzing trace with hash 748088862, now seen corresponding path program 1 times [2024-11-20 03:28:56,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:28:56,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119953576] [2024-11-20 03:28:56,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:56,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:28:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 03:28:56,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276885507] [2024-11-20 03:28:56,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:28:56,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 03:28:56,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:28:56,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 03:28:56,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 03:28:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:28:56,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-20 03:28:56,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 03:28:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3959 proven. 171 refuted. 0 times theorem prover too weak. 2482 trivial. 0 not checked. [2024-11-20 03:28:59,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 03:29:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 81 proven. 90 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-20 03:29:04,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:29:04,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119953576] [2024-11-20 03:29:04,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 03:29:04,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276885507] [2024-11-20 03:29:04,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276885507] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 03:29:04,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 03:29:04,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2024-11-20 03:29:04,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874454927] [2024-11-20 03:29:04,789 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 03:29:04,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-20 03:29:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:29:04,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-20 03:29:04,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=1105, Unknown=0, NotChecked=0, Total=1406 [2024-11-20 03:29:04,792 INFO L87 Difference]: Start difference. First operand 5065 states and 8128 transitions. Second operand has 38 states, 38 states have (on average 4.842105263157895) internal successors, (184), 38 states have internal predecessors, (184), 8 states have call successors, (116), 5 states have call predecessors, (116), 8 states have return successors, (116), 8 states have call predecessors, (116), 8 states have call successors, (116)