./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 472f160323a45b927913d546ba36407c4908d2f65580a236f66341d4d39cf8a5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:15:05,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:15:06,058 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:15:06,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:15:06,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:15:06,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:15:06,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:15:06,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:15:06,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:15:06,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:15:06,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:15:06,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:15:06,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:15:06,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:15:06,103 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:15:06,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:15:06,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:15:06,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:15:06,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:15:06,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:15:06,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:15:06,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:15:06,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:15:06,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:15:06,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:15:06,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:15:06,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:15:06,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:15:06,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:15:06,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:15:06,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:15:06,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:15:06,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:15:06,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:15:06,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:15:06,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:15:06,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:15:06,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:15:06,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:15:06,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:15:06,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:15:06,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:15:06,115 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 472f160323a45b927913d546ba36407c4908d2f65580a236f66341d4d39cf8a5 [2024-10-11 10:15:06,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:15:06,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:15:06,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:15:06,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:15:06,438 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:15:06,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-11 10:15:07,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:15:08,120 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:15:08,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-11 10:15:08,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f00e80e31/acb87087520b4c1f907a2a978534707c/FLAG2fe684c83 [2024-10-11 10:15:08,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f00e80e31/acb87087520b4c1f907a2a978534707c [2024-10-11 10:15:08,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:15:08,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:15:08,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:15:08,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:15:08,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:15:08,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:08,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d512dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08, skipping insertion in model container [2024-10-11 10:15:08,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:08,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:15:08,720 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i[919,932] [2024-10-11 10:15:08,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:15:08,849 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:15:08,871 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i[919,932] [2024-10-11 10:15:08,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:15:08,938 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:15:08,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08 WrapperNode [2024-10-11 10:15:08,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:15:08,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:15:08,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:15:08,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:15:08,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:08,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,031 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-10-11 10:15:09,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:15:09,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:15:09,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:15:09,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:15:09,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,085 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:15:09,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:15:09,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:15:09,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:15:09,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:15:09,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (1/1) ... [2024-10-11 10:15:09,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:15:09,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:15:09,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:15:09,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:15:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:15:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:15:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:15:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:15:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:15:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:15:09,338 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:15:09,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:15:09,844 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-11 10:15:09,845 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:15:09,896 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:15:09,897 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:15:09,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:15:09 BoogieIcfgContainer [2024-10-11 10:15:09,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:15:09,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:15:09,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:15:09,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:15:09,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:15:08" (1/3) ... [2024-10-11 10:15:09,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebd08a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:15:09, skipping insertion in model container [2024-10-11 10:15:09,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:08" (2/3) ... [2024-10-11 10:15:09,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebd08a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:15:09, skipping insertion in model container [2024-10-11 10:15:09,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:15:09" (3/3) ... [2024-10-11 10:15:09,909 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-11 10:15:09,925 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:15:09,926 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:15:09,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:15:10,007 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;@307afca2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:15:10,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:15:10,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 10:15:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:15:10,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:10,069 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:15:10,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:10,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times [2024-10-11 10:15:10,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:10,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413849584] [2024-10-11 10:15:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:10,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:15:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:15:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:15:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:15:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:15:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 10:15:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:15:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 10:15:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:15:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 10:15:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:15:10,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:10,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413849584] [2024-10-11 10:15:10,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413849584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:10,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:10,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:15:10,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946937633] [2024-10-11 10:15:10,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:10,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:15:10,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:10,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:15:10,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:15:10,808 INFO L87 Difference]: Start difference. First operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 10:15:10,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:10,870 INFO L93 Difference]: Finished difference Result 215 states and 398 transitions. [2024-10-11 10:15:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:15:10,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267 [2024-10-11 10:15:10,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:10,885 INFO L225 Difference]: With dead ends: 215 [2024-10-11 10:15:10,886 INFO L226 Difference]: Without dead ends: 107 [2024-10-11 10:15:10,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:15:10,896 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:10,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:15:10,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-11 10:15:10,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-11 10:15:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 10:15:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions. [2024-10-11 10:15:10,972 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267 [2024-10-11 10:15:10,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:10,975 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 173 transitions. [2024-10-11 10:15:10,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 10:15:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions. [2024-10-11 10:15:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:15:10,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:10,984 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:15:10,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:15:10,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:10,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:10,985 INFO L85 PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times [2024-10-11 10:15:10,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:10,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43681700] [2024-10-11 10:15:10,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:10,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:15:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:15:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:15:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:15:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:15:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 10:15:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:15:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 10:15:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:15:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 10:15:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:15:11,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:11,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43681700] [2024-10-11 10:15:11,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43681700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:11,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:11,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:15:11,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538827642] [2024-10-11 10:15:11,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:11,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:15:11,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:11,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:15:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:15:11,499 INFO L87 Difference]: Start difference. First operand 107 states and 173 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:15:11,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:11,613 INFO L93 Difference]: Finished difference Result 318 states and 515 transitions. [2024-10-11 10:15:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:15:11,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-11 10:15:11,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:11,625 INFO L225 Difference]: With dead ends: 318 [2024-10-11 10:15:11,625 INFO L226 Difference]: Without dead ends: 212 [2024-10-11 10:15:11,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:15:11,631 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 162 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:11,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:15:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-11 10:15:11,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2024-10-11 10:15:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 119 states have internal predecessors, (161), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-11 10:15:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions. [2024-10-11 10:15:11,734 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267 [2024-10-11 10:15:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:11,737 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 337 transitions. [2024-10-11 10:15:11,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:15:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2024-10-11 10:15:11,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:15:11,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:11,746 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:15:11,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:15:11,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:11,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times [2024-10-11 10:15:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:11,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078796231] [2024-10-11 10:15:11,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:11,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:15:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:15:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:15:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:15:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:15:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 10:15:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:15:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 10:15:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:15:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 10:15:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:15:12,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:12,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078796231] [2024-10-11 10:15:12,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078796231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:12,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:12,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:15:12,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558714941] [2024-10-11 10:15:12,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:12,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:15:12,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:15:12,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:15:12,298 INFO L87 Difference]: Start difference. First operand 210 states and 337 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:15:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:12,659 INFO L93 Difference]: Finished difference Result 642 states and 1019 transitions. [2024-10-11 10:15:12,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:15:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-11 10:15:12,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:12,670 INFO L225 Difference]: With dead ends: 642 [2024-10-11 10:15:12,671 INFO L226 Difference]: Without dead ends: 433 [2024-10-11 10:15:12,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:15:12,673 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 109 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:12,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 470 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 10:15:12,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-11 10:15:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428. [2024-10-11 10:15:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 241 states have (on average 1.3236514522821576) internal successors, (319), 242 states have internal predecessors, (319), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2024-10-11 10:15:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions. [2024-10-11 10:15:12,748 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267 [2024-10-11 10:15:12,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:12,748 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 679 transitions. [2024-10-11 10:15:12,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:15:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions. [2024-10-11 10:15:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:15:12,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:12,752 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:15:12,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:15:12,753 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:12,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times [2024-10-11 10:15:12,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:12,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222622486] [2024-10-11 10:15:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:40,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:15:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:15:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:15:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:15:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:15:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 10:15:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:15:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 10:15:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:15:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 10:15:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:15:41,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:41,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222622486] [2024-10-11 10:15:41,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222622486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:41,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:41,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 10:15:41,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323813493] [2024-10-11 10:15:41,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:41,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 10:15:41,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:41,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 10:15:41,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-11 10:15:41,096 INFO L87 Difference]: Start difference. First operand 428 states and 679 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:15:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:46,577 INFO L93 Difference]: Finished difference Result 574 states and 862 transitions. [2024-10-11 10:15:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:15:46,578 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-11 10:15:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:46,585 INFO L225 Difference]: With dead ends: 574 [2024-10-11 10:15:46,585 INFO L226 Difference]: Without dead ends: 572 [2024-10-11 10:15:46,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2024-10-11 10:15:46,587 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 286 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:46,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 848 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 10:15:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-11 10:15:46,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 497. [2024-10-11 10:15:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 295 states have (on average 1.3152542372881355) internal successors, (388), 299 states have internal predecessors, (388), 192 states have call successors, (192), 9 states have call predecessors, (192), 9 states have return successors, (192), 188 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-11 10:15:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 772 transitions. [2024-10-11 10:15:46,674 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 772 transitions. Word has length 267 [2024-10-11 10:15:46,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:46,675 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 772 transitions. [2024-10-11 10:15:46,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:15:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 772 transitions. [2024-10-11 10:15:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:15:46,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:46,679 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:15:46,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:15:46,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:46,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:46,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times [2024-10-11 10:15:46,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:46,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236666514] [2024-10-11 10:15:46,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:16:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:16:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:16:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:16:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:16:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:16:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:16:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:16:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:16:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:16:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:16:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:16:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:16:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:16:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:16:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:16:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:16:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:16:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:16:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:16:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:16:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:16:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:16:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:16:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:16:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:16:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:16:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:16:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:16:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:16:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:16:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:16:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:16:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:16:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:16:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:16:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:16:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:16:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 10:16:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:16:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 10:16:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:16:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 10:16:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:16:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:16:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:16:14,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:16:14,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236666514] [2024-10-11 10:16:14,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236666514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:16:14,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:16:14,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 10:16:14,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658768627] [2024-10-11 10:16:14,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:16:14,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 10:16:14,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:16:14,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 10:16:14,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-11 10:16:14,655 INFO L87 Difference]: Start difference. First operand 497 states and 772 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:16:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:16:17,435 INFO L93 Difference]: Finished difference Result 881 states and 1343 transitions. [2024-10-11 10:16:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 10:16:17,436 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-11 10:16:17,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:16:17,446 INFO L225 Difference]: With dead ends: 881 [2024-10-11 10:16:17,446 INFO L226 Difference]: Without dead ends: 672 [2024-10-11 10:16:17,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-11 10:16:17,449 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 124 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 10:16:17,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1416 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 10:16:17,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-10-11 10:16:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 552. [2024-10-11 10:16:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 349 states have internal predecessors, (458), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-11 10:16:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 850 transitions. [2024-10-11 10:16:17,553 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 850 transitions. Word has length 267 [2024-10-11 10:16:17,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:16:17,555 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 850 transitions. [2024-10-11 10:16:17,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-11 10:16:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 850 transitions. [2024-10-11 10:16:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:16:17,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:16:17,561 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:16:17,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:16:17,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:16:17,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:16:17,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1860327838, now seen corresponding path program 1 times [2024-10-11 10:16:17,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:16:17,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109814500] [2024-10-11 10:16:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:16:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:16:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat