./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_floatingpointinfluence_no-floats_file-44.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_floatingpointinfluence_no-floats_file-44.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 16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:02:58,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:02:58,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:02:58,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:02:58,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:02:58,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:02:58,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:02:58,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:02:58,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:02:58,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:02:58,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:02:58,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:02:58,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:02:58,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:02:58,585 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:02:58,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:02:58,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:02:58,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:02:58,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:02:58,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:02:58,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:02:58,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:02:58,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:02:58,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:02:58,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:02:58,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:02:58,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:02:58,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:02:58,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:02:58,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:02:58,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:02:58,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:02:58,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:02:58,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:02:58,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:02:58,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:02:58,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:02:58,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:02:58,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:02:58,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:02:58,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:02:58,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:02:58,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993 [2024-11-20 06:02:58,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:02:58,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:02:58,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:02:58,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:02:58,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:02:58,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i [2024-11-20 06:03:00,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:03:00,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:03:00,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i [2024-11-20 06:03:00,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c48db3de/14ebdc34b1a64ed9b7901f22e6dbf656/FLAG4849b1782 [2024-11-20 06:03:00,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c48db3de/14ebdc34b1a64ed9b7901f22e6dbf656 [2024-11-20 06:03:00,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:03:00,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:03:00,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:03:00,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:03:00,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:03:00,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:00" (1/1) ... [2024-11-20 06:03:00,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cb434a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00, skipping insertion in model container [2024-11-20 06:03:00,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:00" (1/1) ... [2024-11-20 06:03:00,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:03:01,165 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_floatingpointinfluence_no-floats_file-44.i[916,929] [2024-11-20 06:03:01,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:03:01,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:03:01,249 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_floatingpointinfluence_no-floats_file-44.i[916,929] [2024-11-20 06:03:01,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:03:01,306 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:03:01,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01 WrapperNode [2024-11-20 06:03:01,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:03:01,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:03:01,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:03:01,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:03:01,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,380 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2024-11-20 06:03:01,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:03:01,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:03:01,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:03:01,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:03:01,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,434 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 06:03:01,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:03:01,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:03:01,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:03:01,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:03:01,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (1/1) ... [2024-11-20 06:03:01,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:03:01,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:03:01,506 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 06:03:01,509 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 06:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:03:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:03:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:03:01,634 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:03:01,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:03:01,961 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 06:03:01,961 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:03:01,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:03:01,978 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:03:01,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:01 BoogieIcfgContainer [2024-11-20 06:03:01,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:03:01,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:03:01,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:03:02,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:03:02,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:03:00" (1/3) ... [2024-11-20 06:03:02,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b06432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:03:02, skipping insertion in model container [2024-11-20 06:03:02,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:01" (2/3) ... [2024-11-20 06:03:02,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b06432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:03:02, skipping insertion in model container [2024-11-20 06:03:02,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:01" (3/3) ... [2024-11-20 06:03:02,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-44.i [2024-11-20 06:03:02,024 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:03:02,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:03:02,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:03:02,097 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;@1b567099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:03:02,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:03:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 06:03:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 06:03:02,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:02,117 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:02,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:02,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:02,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2118972128, now seen corresponding path program 1 times [2024-11-20 06:03:02,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:02,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731563493] [2024-11-20 06:03:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:02,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:02,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:02,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731563493] [2024-11-20 06:03:02,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731563493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:02,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:02,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:03:02,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688409364] [2024-11-20 06:03:02,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:02,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:03:02,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:02,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:03:02,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:03:02,610 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 06:03:02,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:02,638 INFO L93 Difference]: Finished difference Result 115 states and 201 transitions. [2024-11-20 06:03:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:03:02,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2024-11-20 06:03:02,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:02,652 INFO L225 Difference]: With dead ends: 115 [2024-11-20 06:03:02,652 INFO L226 Difference]: Without dead ends: 57 [2024-11-20 06:03:02,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 06:03:02,659 INFO L432 NwaCegarLoop]: 85 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, 85 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 06:03:02,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:03:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-20 06:03:02,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-20 06:03:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 06:03:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-20 06:03:02,718 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 140 [2024-11-20 06:03:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:02,719 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-20 06:03:02,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 06:03:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-20 06:03:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 06:03:02,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:02,726 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:02,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:03:02,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:02,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:02,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1672964574, now seen corresponding path program 1 times [2024-11-20 06:03:02,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:02,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764929822] [2024-11-20 06:03:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:02,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:07,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764929822] [2024-11-20 06:03:07,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764929822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:07,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:07,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:03:07,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137660817] [2024-11-20 06:03:07,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:07,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:03:07,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:07,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:03:07,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:03:07,659 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:08,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:08,490 INFO L93 Difference]: Finished difference Result 91 states and 126 transitions. [2024-11-20 06:03:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:03:08,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-20 06:03:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:08,493 INFO L225 Difference]: With dead ends: 91 [2024-11-20 06:03:08,494 INFO L226 Difference]: Without dead ends: 89 [2024-11-20 06:03:08,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:03:08,495 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 47 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:08,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 398 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 06:03:08,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-20 06:03:08,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 64. [2024-11-20 06:03:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 06:03:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-20 06:03:08,510 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 140 [2024-11-20 06:03:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:08,512 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-20 06:03:08,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-20 06:03:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 06:03:08,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:08,515 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:08,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:03:08,516 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:08,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:08,517 INFO L85 PathProgramCache]: Analyzing trace with hash 102042788, now seen corresponding path program 1 times [2024-11-20 06:03:08,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:08,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767104808] [2024-11-20 06:03:08,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:08,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:08,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767104808] [2024-11-20 06:03:08,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767104808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:08,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:08,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:03:08,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123739117] [2024-11-20 06:03:08,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:08,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:03:08,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:08,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:03:08,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:03:08,770 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:08,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:08,797 INFO L93 Difference]: Finished difference Result 181 states and 270 transitions. [2024-11-20 06:03:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:03:08,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-20 06:03:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:08,804 INFO L225 Difference]: With dead ends: 181 [2024-11-20 06:03:08,805 INFO L226 Difference]: Without dead ends: 120 [2024-11-20 06:03:08,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 06:03:08,807 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 40 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:08,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 173 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:03:08,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-20 06:03:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2024-11-20 06:03:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 06:03:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 177 transitions. [2024-11-20 06:03:08,842 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 177 transitions. Word has length 140 [2024-11-20 06:03:08,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:08,842 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 177 transitions. [2024-11-20 06:03:08,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2024-11-20 06:03:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-20 06:03:08,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:08,851 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:08,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:03:08,851 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:08,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash 368606124, now seen corresponding path program 1 times [2024-11-20 06:03:08,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:08,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538685386] [2024-11-20 06:03:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:08,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:12,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538685386] [2024-11-20 06:03:12,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538685386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:12,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:12,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:03:12,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606811891] [2024-11-20 06:03:12,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:12,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:03:12,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:12,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:03:12,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:03:12,221 INFO L87 Difference]: Start difference. First operand 118 states and 177 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:13,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:13,318 INFO L93 Difference]: Finished difference Result 200 states and 278 transitions. [2024-11-20 06:03:13,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:03:13,318 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-20 06:03:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:13,320 INFO L225 Difference]: With dead ends: 200 [2024-11-20 06:03:13,320 INFO L226 Difference]: Without dead ends: 198 [2024-11-20 06:03:13,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:03:13,322 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 103 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:13,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 555 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 06:03:13,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-20 06:03:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 159. [2024-11-20 06:03:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 104 states have (on average 1.25) internal successors, (130), 106 states have internal predecessors, (130), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 230 transitions. [2024-11-20 06:03:13,356 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 230 transitions. Word has length 141 [2024-11-20 06:03:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:13,357 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 230 transitions. [2024-11-20 06:03:13,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 230 transitions. [2024-11-20 06:03:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-20 06:03:13,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:13,359 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:13,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 06:03:13,363 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:13,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:13,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1048664494, now seen corresponding path program 1 times [2024-11-20 06:03:13,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:13,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947878680] [2024-11-20 06:03:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:13,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:16,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947878680] [2024-11-20 06:03:16,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947878680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:16,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:16,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:03:16,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857117576] [2024-11-20 06:03:16,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:16,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:03:16,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:03:16,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:03:16,625 INFO L87 Difference]: Start difference. First operand 159 states and 230 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:17,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:17,344 INFO L93 Difference]: Finished difference Result 201 states and 281 transitions. [2024-11-20 06:03:17,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:03:17,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-20 06:03:17,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:17,348 INFO L225 Difference]: With dead ends: 201 [2024-11-20 06:03:17,348 INFO L226 Difference]: Without dead ends: 199 [2024-11-20 06:03:17,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:03:17,349 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 51 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:17,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 555 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 06:03:17,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-20 06:03:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 155. [2024-11-20 06:03:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.24) internal successors, (124), 102 states have internal predecessors, (124), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 224 transitions. [2024-11-20 06:03:17,370 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 224 transitions. Word has length 141 [2024-11-20 06:03:17,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:17,371 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 224 transitions. [2024-11-20 06:03:17,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2024-11-20 06:03:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-20 06:03:17,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:17,373 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:17,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 06:03:17,373 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:17,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:17,374 INFO L85 PathProgramCache]: Analyzing trace with hash -705617889, now seen corresponding path program 1 times [2024-11-20 06:03:17,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:17,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661302914] [2024-11-20 06:03:17,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:17,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:17,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661302914] [2024-11-20 06:03:17,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661302914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:17,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:17,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:03:17,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483791570] [2024-11-20 06:03:17,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:17,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:03:17,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:17,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:03:17,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:03:17,471 INFO L87 Difference]: Start difference. First operand 155 states and 224 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:17,503 INFO L93 Difference]: Finished difference Result 309 states and 447 transitions. [2024-11-20 06:03:17,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:03:17,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-20 06:03:17,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:17,506 INFO L225 Difference]: With dead ends: 309 [2024-11-20 06:03:17,506 INFO L226 Difference]: Without dead ends: 157 [2024-11-20 06:03:17,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 06:03:17,510 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:17,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 154 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:03:17,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-20 06:03:17,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-20 06:03:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.2) internal successors, (120), 102 states have internal predecessors, (120), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 220 transitions. [2024-11-20 06:03:17,538 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 220 transitions. Word has length 141 [2024-11-20 06:03:17,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:17,539 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 220 transitions. [2024-11-20 06:03:17,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 220 transitions. [2024-11-20 06:03:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-20 06:03:17,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:17,541 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:17,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 06:03:17,541 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:17,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash -348586856, now seen corresponding path program 1 times [2024-11-20 06:03:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048853109] [2024-11-20 06:03:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:22,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:22,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048853109] [2024-11-20 06:03:22,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048853109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:22,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:22,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:03:22,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498404073] [2024-11-20 06:03:22,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:22,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:03:22,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:22,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:03:22,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:03:22,524 INFO L87 Difference]: Start difference. First operand 155 states and 220 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:24,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:24,566 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2024-11-20 06:03:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:03:24,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-20 06:03:24,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:24,570 INFO L225 Difference]: With dead ends: 180 [2024-11-20 06:03:24,571 INFO L226 Difference]: Without dead ends: 178 [2024-11-20 06:03:24,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:03:24,572 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:24,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 467 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 06:03:24,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-20 06:03:24,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 157. [2024-11-20 06:03:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 104 states have internal predecessors, (123), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 223 transitions. [2024-11-20 06:03:24,601 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 223 transitions. Word has length 142 [2024-11-20 06:03:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:24,602 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 223 transitions. [2024-11-20 06:03:24,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2024-11-20 06:03:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-20 06:03:24,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:24,604 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:24,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 06:03:24,604 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:24,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:24,604 INFO L85 PathProgramCache]: Analyzing trace with hash -346739814, now seen corresponding path program 1 times [2024-11-20 06:03:24,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:24,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505526427] [2024-11-20 06:03:24,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:24,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:32,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:32,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505526427] [2024-11-20 06:03:32,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505526427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:32,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:32,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:03:32,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285285584] [2024-11-20 06:03:32,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:32,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:03:32,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:32,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:03:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:03:32,791 INFO L87 Difference]: Start difference. First operand 157 states and 223 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:34,384 INFO L93 Difference]: Finished difference Result 171 states and 236 transitions. [2024-11-20 06:03:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:03:34,385 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-20 06:03:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:34,388 INFO L225 Difference]: With dead ends: 171 [2024-11-20 06:03:34,388 INFO L226 Difference]: Without dead ends: 169 [2024-11-20 06:03:34,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:03:34,390 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 67 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:34,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 401 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 06:03:34,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-20 06:03:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2024-11-20 06:03:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 104 states have internal predecessors, (123), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 223 transitions. [2024-11-20 06:03:34,407 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 223 transitions. Word has length 142 [2024-11-20 06:03:34,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:34,407 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 223 transitions. [2024-11-20 06:03:34,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2024-11-20 06:03:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-20 06:03:34,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:34,409 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:34,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 06:03:34,410 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:34,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:34,410 INFO L85 PathProgramCache]: Analyzing trace with hash 331471514, now seen corresponding path program 1 times [2024-11-20 06:03:34,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:34,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494479236] [2024-11-20 06:03:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:34,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:37,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:37,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494479236] [2024-11-20 06:03:37,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494479236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:37,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:37,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:03:37,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131370551] [2024-11-20 06:03:37,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:37,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:03:37,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:37,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:03:37,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:03:37,078 INFO L87 Difference]: Start difference. First operand 157 states and 223 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:37,852 INFO L93 Difference]: Finished difference Result 189 states and 255 transitions. [2024-11-20 06:03:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:03:37,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-20 06:03:37,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:37,855 INFO L225 Difference]: With dead ends: 189 [2024-11-20 06:03:37,855 INFO L226 Difference]: Without dead ends: 187 [2024-11-20 06:03:37,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:03:37,856 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 36 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:37,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 423 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 06:03:37,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-20 06:03:37,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2024-11-20 06:03:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 105 states have (on average 1.2) internal successors, (126), 107 states have internal predecessors, (126), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 226 transitions. [2024-11-20 06:03:37,880 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 226 transitions. Word has length 142 [2024-11-20 06:03:37,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:37,880 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 226 transitions. [2024-11-20 06:03:37,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 226 transitions. [2024-11-20 06:03:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-20 06:03:37,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:37,883 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:37,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 06:03:37,894 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:37,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:37,896 INFO L85 PathProgramCache]: Analyzing trace with hash 333318556, now seen corresponding path program 1 times [2024-11-20 06:03:37,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:37,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681986733] [2024-11-20 06:03:37,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:37,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:46,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:46,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681986733] [2024-11-20 06:03:46,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681986733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:46,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:46,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:03:46,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477323159] [2024-11-20 06:03:46,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:46,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:03:46,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:46,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:03:46,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:03:46,404 INFO L87 Difference]: Start difference. First operand 160 states and 226 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:48,429 INFO L93 Difference]: Finished difference Result 176 states and 241 transitions. [2024-11-20 06:03:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:03:48,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-20 06:03:48,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:48,431 INFO L225 Difference]: With dead ends: 176 [2024-11-20 06:03:48,432 INFO L226 Difference]: Without dead ends: 174 [2024-11-20 06:03:48,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:03:48,432 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 13 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:48,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 594 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 06:03:48,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-20 06:03:48,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 155. [2024-11-20 06:03:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.19) internal successors, (119), 102 states have internal predecessors, (119), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 219 transitions. [2024-11-20 06:03:48,450 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 219 transitions. Word has length 142 [2024-11-20 06:03:48,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:48,451 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 219 transitions. [2024-11-20 06:03:48,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2024-11-20 06:03:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:03:48,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:48,453 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:48,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 06:03:48,453 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:48,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1199200350, now seen corresponding path program 1 times [2024-11-20 06:03:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:48,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154562420] [2024-11-20 06:03:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:50,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:50,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154562420] [2024-11-20 06:03:50,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154562420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:50,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:50,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:03:50,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751818619] [2024-11-20 06:03:50,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:50,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:03:50,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:50,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:03:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:03:50,111 INFO L87 Difference]: Start difference. First operand 155 states and 219 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:50,478 INFO L93 Difference]: Finished difference Result 246 states and 322 transitions. [2024-11-20 06:03:50,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:03:50,478 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-20 06:03:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:50,480 INFO L225 Difference]: With dead ends: 246 [2024-11-20 06:03:50,480 INFO L226 Difference]: Without dead ends: 244 [2024-11-20 06:03:50,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-20 06:03:50,481 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 158 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:50,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 514 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:03:50,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-20 06:03:50,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 163. [2024-11-20 06:03:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.212962962962963) internal successors, (131), 110 states have internal predecessors, (131), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 231 transitions. [2024-11-20 06:03:50,499 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 231 transitions. Word has length 143 [2024-11-20 06:03:50,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:50,499 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 231 transitions. [2024-11-20 06:03:50,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 231 transitions. [2024-11-20 06:03:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:03:50,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:50,501 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:50,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 06:03:50,502 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:50,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:50,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1197353308, now seen corresponding path program 1 times [2024-11-20 06:03:50,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:50,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959369066] [2024-11-20 06:03:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:52,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:52,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959369066] [2024-11-20 06:03:52,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959369066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:52,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:52,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 06:03:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065749319] [2024-11-20 06:03:52,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:52,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 06:03:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 06:03:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:03:52,622 INFO L87 Difference]: Start difference. First operand 163 states and 231 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:53,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:53,426 INFO L93 Difference]: Finished difference Result 234 states and 309 transitions. [2024-11-20 06:03:53,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 06:03:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-20 06:03:53,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:53,429 INFO L225 Difference]: With dead ends: 234 [2024-11-20 06:03:53,429 INFO L226 Difference]: Without dead ends: 232 [2024-11-20 06:03:53,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-20 06:03:53,430 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 126 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:53,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 592 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 06:03:53,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-20 06:03:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 163. [2024-11-20 06:03:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.212962962962963) internal successors, (131), 110 states have internal predecessors, (131), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 231 transitions. [2024-11-20 06:03:53,448 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 231 transitions. Word has length 143 [2024-11-20 06:03:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:53,448 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 231 transitions. [2024-11-20 06:03:53,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 231 transitions. [2024-11-20 06:03:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:03:53,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:53,450 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:53,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 06:03:53,451 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:53,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:53,451 INFO L85 PathProgramCache]: Analyzing trace with hash -519141980, now seen corresponding path program 1 times [2024-11-20 06:03:53,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:53,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458812895] [2024-11-20 06:03:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:53,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:55,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458812895] [2024-11-20 06:03:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458812895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:55,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:55,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 06:03:55,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164261332] [2024-11-20 06:03:55,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:55,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 06:03:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:55,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 06:03:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:03:55,319 INFO L87 Difference]: Start difference. First operand 163 states and 231 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:55,804 INFO L93 Difference]: Finished difference Result 239 states and 315 transitions. [2024-11-20 06:03:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 06:03:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-20 06:03:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:55,807 INFO L225 Difference]: With dead ends: 239 [2024-11-20 06:03:55,807 INFO L226 Difference]: Without dead ends: 237 [2024-11-20 06:03:55,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-20 06:03:55,808 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 100 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:55,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 548 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:03:55,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-20 06:03:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 174. [2024-11-20 06:03:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.218487394957983) internal successors, (145), 121 states have internal predecessors, (145), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 245 transitions. [2024-11-20 06:03:55,828 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 245 transitions. Word has length 143 [2024-11-20 06:03:55,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:55,828 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 245 transitions. [2024-11-20 06:03:55,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2024-11-20 06:03:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:03:55,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:55,830 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:55,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 06:03:55,830 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:55,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:55,831 INFO L85 PathProgramCache]: Analyzing trace with hash -517294938, now seen corresponding path program 1 times [2024-11-20 06:03:55,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:55,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577588132] [2024-11-20 06:03:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:55,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:03:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:03:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:03:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:03:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:03:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:03:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:03:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:03:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:03:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:03:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:03:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:03:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:03:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:03:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:03:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:03:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:03:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:03:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:03:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:03:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:03:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:03:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:03:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:03:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:03:57,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:03:57,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577588132] [2024-11-20 06:03:57,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577588132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:03:57,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:03:57,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 06:03:57,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537453441] [2024-11-20 06:03:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:03:57,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 06:03:57,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:03:57,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 06:03:57,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:03:57,260 INFO L87 Difference]: Start difference. First operand 174 states and 245 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:57,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:03:57,509 INFO L93 Difference]: Finished difference Result 238 states and 313 transitions. [2024-11-20 06:03:57,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 06:03:57,510 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-20 06:03:57,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:03:57,511 INFO L225 Difference]: With dead ends: 238 [2024-11-20 06:03:57,511 INFO L226 Difference]: Without dead ends: 236 [2024-11-20 06:03:57,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-20 06:03:57,512 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 83 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:03:57,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 515 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:03:57,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-20 06:03:57,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 172. [2024-11-20 06:03:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 119 states have internal predecessors, (142), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:03:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2024-11-20 06:03:57,534 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 143 [2024-11-20 06:03:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:03:57,535 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2024-11-20 06:03:57,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:03:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2024-11-20 06:03:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:03:57,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:03:57,536 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:57,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 06:03:57,536 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:03:57,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:03:57,537 INFO L85 PathProgramCache]: Analyzing trace with hash -498135772, now seen corresponding path program 1 times [2024-11-20 06:03:57,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:03:57,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853982688] [2024-11-20 06:03:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:03:57,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:03:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:04:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:04:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:04:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:04:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:04:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:04:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:04:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:04:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:04:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:04:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:04:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:04:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:04:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:04:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:04:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:04:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:04:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:04:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:04:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:04:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:04:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:04:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:04:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:04:02,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:04:02,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853982688] [2024-11-20 06:04:02,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853982688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:04:02,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:04:02,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:04:02,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986252989] [2024-11-20 06:04:02,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:04:02,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:04:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:04:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:04:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:04:02,274 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:04:04,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:04:04,385 INFO L93 Difference]: Finished difference Result 209 states and 280 transitions. [2024-11-20 06:04:04,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 06:04:04,385 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-20 06:04:04,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:04:04,387 INFO L225 Difference]: With dead ends: 209 [2024-11-20 06:04:04,387 INFO L226 Difference]: Without dead ends: 207 [2024-11-20 06:04:04,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-20 06:04:04,388 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 47 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:04:04,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 526 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:04:04,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-20 06:04:04,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 174. [2024-11-20 06:04:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.218487394957983) internal successors, (145), 121 states have internal predecessors, (145), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 06:04:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 245 transitions. [2024-11-20 06:04:04,407 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 245 transitions. Word has length 143 [2024-11-20 06:04:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:04:04,408 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 245 transitions. [2024-11-20 06:04:04,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 06:04:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2024-11-20 06:04:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:04:04,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:04:04,409 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:04,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 06:04:04,409 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:04:04,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:04:04,409 INFO L85 PathProgramCache]: Analyzing trace with hash -496288730, now seen corresponding path program 1 times [2024-11-20 06:04:04,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:04:04,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928944355] [2024-11-20 06:04:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:04:04,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:04:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:04:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:04:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:04:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:04:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:04:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:04:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:04:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:04:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:04:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:04:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:04:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:04:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:04:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:04:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:04:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:04:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:04:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:04:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:04:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:04:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:04:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:04:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:04:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:04:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:04:09,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928944355] [2024-11-20 06:04:09,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928944355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:04:09,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:04:09,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 06:04:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211954710] [2024-11-20 06:04:09,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:04:09,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 06:04:09,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:04:09,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 06:04:09,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-20 06:04:09,333 INFO L87 Difference]: Start difference. First operand 174 states and 245 transitions. Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 06:04:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:04:11,898 INFO L93 Difference]: Finished difference Result 313 states and 440 transitions. [2024-11-20 06:04:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 06:04:11,899 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-11-20 06:04:11,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:04:11,902 INFO L225 Difference]: With dead ends: 313 [2024-11-20 06:04:11,903 INFO L226 Difference]: Without dead ends: 311 [2024-11-20 06:04:11,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-20 06:04:11,904 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 97 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:04:11,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 498 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 06:04:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-20 06:04:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2024-11-20 06:04:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 190 states have (on average 1.2052631578947368) internal successors, (229), 193 states have internal predecessors, (229), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-20 06:04:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 425 transitions. [2024-11-20 06:04:11,948 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 425 transitions. Word has length 143 [2024-11-20 06:04:11,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:04:11,948 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 425 transitions. [2024-11-20 06:04:11,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 06:04:11,949 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 425 transitions. [2024-11-20 06:04:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-20 06:04:11,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:04:11,950 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:11,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 06:04:11,950 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:04:11,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:04:11,951 INFO L85 PathProgramCache]: Analyzing trace with hash 181922598, now seen corresponding path program 1 times [2024-11-20 06:04:11,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:04:11,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442572090] [2024-11-20 06:04:11,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:04:11,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:04:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:04:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:04:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:04:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:04:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:04:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:04:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:04:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:04:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:04:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:04:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 06:04:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:04:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:04:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:04:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:04:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:04:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:04:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:04:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:04:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:04:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:04:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:04:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:04:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:04:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 06:04:15,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:04:15,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442572090] [2024-11-20 06:04:15,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442572090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:04:15,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:04:15,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:04:15,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385542794] [2024-11-20 06:04:15,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:04:15,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:04:15,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:04:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:04:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:04:15,675 INFO L87 Difference]: Start difference. First operand 297 states and 425 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)