./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-64.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-64.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 35771d1f0fa68fea7e04e3ce27abac102216e17ff11b9ec3a0b3c7f4bae7b6d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:15:02,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:15:02,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:15:02,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:15:02,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:15:02,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:15:02,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:15:02,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:15:02,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:15:02,686 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:15:02,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:15:02,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:15:02,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:15:02,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:15:02,688 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:15:02,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:15:02,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:15:02,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:15:02,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:15:02,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:15:02,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:15:02,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:15:02,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:15:02,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:15:02,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:15:02,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:15:02,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:15:02,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:15:02,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:15:02,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:15:02,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:15:02,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:15:02,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:15:02,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:15:02,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:15:02,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:15:02,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:15:02,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:15:02,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:15:02,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:15:02,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:15:02,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:15:02,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35771d1f0fa68fea7e04e3ce27abac102216e17ff11b9ec3a0b3c7f4bae7b6d3 [2024-10-11 10:15:02,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:15:02,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:15:02,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:15:02,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:15:02,920 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:15:02,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-64.i [2024-10-11 10:15:04,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:15:04,312 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:15:04,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-64.i [2024-10-11 10:15:04,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/449613eec/38937f28d0ca47458317a012bf868052/FLAG2d8130e7e [2024-10-11 10:15:04,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/449613eec/38937f28d0ca47458317a012bf868052 [2024-10-11 10:15:04,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:15:04,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:15:04,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:15:04,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:15:04,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:15:04,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:15:04" (1/1) ... [2024-10-11 10:15:04,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed8dce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:04, skipping insertion in model container [2024-10-11 10:15:04,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:15:04" (1/1) ... [2024-10-11 10:15:04,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:15:04,861 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-64.i[919,932] [2024-10-11 10:15:04,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:15:04,948 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:15:04,960 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-64.i[919,932] [2024-10-11 10:15:05,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:15:05,041 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:15:05,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05 WrapperNode [2024-10-11 10:15:05,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:15:05,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:15:05,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:15:05,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:15:05,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,104 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-11 10:15:05,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:15:05,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:15:05,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:15:05,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:15:05,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,136 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 10:15:05,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:15:05,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:15:05,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:15:05,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:15:05,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (1/1) ... [2024-10-11 10:15:05,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:15:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:15:05,182 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 10:15:05,186 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 10:15:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:15:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:15:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:15:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:15:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:15:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:15:05,309 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:15:05,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:15:05,646 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 10:15:05,647 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:15:05,683 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:15:05,685 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:15:05,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:15:05 BoogieIcfgContainer [2024-10-11 10:15:05,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:15:05,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:15:05,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:15:05,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:15:05,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:15:04" (1/3) ... [2024-10-11 10:15:05,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7045dda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:15:05, skipping insertion in model container [2024-10-11 10:15:05,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:15:05" (2/3) ... [2024-10-11 10:15:05,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7045dda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:15:05, skipping insertion in model container [2024-10-11 10:15:05,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:15:05" (3/3) ... [2024-10-11 10:15:05,691 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-64.i [2024-10-11 10:15:05,704 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:15:05,705 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:15:05,756 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:15:05,760 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;@3ebf6ba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:15:05,761 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:15:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 10:15:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-10-11 10:15:05,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:05,777 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:15:05,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:05,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:05,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2046091585, now seen corresponding path program 1 times [2024-10-11 10:15:05,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:05,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237935875] [2024-10-11 10:15:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:05,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:15:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 10:15:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 10:15:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 10:15:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 10:15:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 10:15:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 10:15:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 10:15:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 10:15:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 10:15:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 10:15:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:15:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 10:15:06,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:06,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237935875] [2024-10-11 10:15:06,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237935875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:06,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:06,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:15:06,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289511840] [2024-10-11 10:15:06,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:06,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:15:06,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:06,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:15:06,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:15:06,362 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 10:15:06,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:06,404 INFO L93 Difference]: Finished difference Result 219 states and 402 transitions. [2024-10-11 10:15:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:15:06,406 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 278 [2024-10-11 10:15:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:06,416 INFO L225 Difference]: With dead ends: 219 [2024-10-11 10:15:06,416 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 10:15:06,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 10:15:06,424 INFO L432 NwaCegarLoop]: 171 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, 171 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 10:15:06,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:15:06,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 10:15:06,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-10-11 10:15:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 10:15:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 174 transitions. [2024-10-11 10:15:06,482 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 174 transitions. Word has length 278 [2024-10-11 10:15:06,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:06,482 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 174 transitions. [2024-10-11 10:15:06,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 10:15:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2024-10-11 10:15:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-10-11 10:15:06,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:06,488 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:15:06,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:15:06,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:06,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:06,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1329992261, now seen corresponding path program 1 times [2024-10-11 10:15:06,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:06,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372438579] [2024-10-11 10:15:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:06,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:15:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 10:15:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 10:15:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 10:15:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 10:15:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 10:15:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 10:15:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 10:15:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 10:15:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 10:15:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 10:15:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:15:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 10:15:09,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372438579] [2024-10-11 10:15:09,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372438579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:09,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:09,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:15:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095058365] [2024-10-11 10:15:09,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:09,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:15:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:15:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:15:09,283 INFO L87 Difference]: Start difference. First operand 109 states and 174 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:09,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:09,758 INFO L93 Difference]: Finished difference Result 406 states and 649 transitions. [2024-10-11 10:15:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:15:09,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 278 [2024-10-11 10:15:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:09,766 INFO L225 Difference]: With dead ends: 406 [2024-10-11 10:15:09,766 INFO L226 Difference]: Without dead ends: 298 [2024-10-11 10:15:09,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:15:09,768 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 222 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:09,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 822 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:15:09,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-11 10:15:09,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 113. [2024-10-11 10:15:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.353846153846154) internal successors, (88), 65 states have internal predecessors, (88), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 10:15:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 180 transitions. [2024-10-11 10:15:09,797 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 180 transitions. Word has length 278 [2024-10-11 10:15:09,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:09,798 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 180 transitions. [2024-10-11 10:15:09,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2024-10-11 10:15:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-10-11 10:15:09,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:09,805 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:15:09,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:15:09,806 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:09,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 877339453, now seen corresponding path program 1 times [2024-10-11 10:15:09,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:09,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425961872] [2024-10-11 10:15:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:09,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:15:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 10:15:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 10:15:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 10:15:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 10:15:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 10:15:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 10:15:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 10:15:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 10:15:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 10:15:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 10:15:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:15:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 10:15:10,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425961872] [2024-10-11 10:15:10,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425961872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:10,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:10,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:15:10,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987424425] [2024-10-11 10:15:10,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:10,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:15:10,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:15:10,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:15:10,087 INFO L87 Difference]: Start difference. First operand 113 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:10,274 INFO L93 Difference]: Finished difference Result 337 states and 532 transitions. [2024-10-11 10:15:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:15:10,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 278 [2024-10-11 10:15:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:10,278 INFO L225 Difference]: With dead ends: 337 [2024-10-11 10:15:10,278 INFO L226 Difference]: Without dead ends: 225 [2024-10-11 10:15:10,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 10:15:10,280 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 176 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:10,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1027 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:15:10,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-10-11 10:15:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 113. [2024-10-11 10:15:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.353846153846154) internal successors, (88), 65 states have internal predecessors, (88), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 10:15:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 180 transitions. [2024-10-11 10:15:10,295 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 180 transitions. Word has length 278 [2024-10-11 10:15:10,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:10,296 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 180 transitions. [2024-10-11 10:15:10,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2024-10-11 10:15:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-10-11 10:15:10,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:10,301 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:15:10,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:15:10,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:10,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:10,301 INFO L85 PathProgramCache]: Analyzing trace with hash -897667909, now seen corresponding path program 1 times [2024-10-11 10:15:10,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:10,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605443815] [2024-10-11 10:15:10,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:15:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 10:15:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 10:15:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 10:15:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 10:15:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 10:15:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 10:15:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 10:15:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 10:15:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 10:15:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 10:15:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:15:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 10:15:11,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605443815] [2024-10-11 10:15:11,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605443815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:11,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:11,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:15:11,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034472417] [2024-10-11 10:15:11,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:11,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:15:11,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:11,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:15:11,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:15:11,899 INFO L87 Difference]: Start difference. First operand 113 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:12,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:12,136 INFO L93 Difference]: Finished difference Result 328 states and 521 transitions. [2024-10-11 10:15:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:15:12,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 278 [2024-10-11 10:15:12,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:12,140 INFO L225 Difference]: With dead ends: 328 [2024-10-11 10:15:12,140 INFO L226 Difference]: Without dead ends: 216 [2024-10-11 10:15:12,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:15:12,141 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 176 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:12,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 992 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:15:12,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-10-11 10:15:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 109. [2024-10-11 10:15:12,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 61 states have internal predecessors, (81), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 10:15:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 173 transitions. [2024-10-11 10:15:12,153 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 173 transitions. Word has length 278 [2024-10-11 10:15:12,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:12,154 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 173 transitions. [2024-10-11 10:15:12,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2024-10-11 10:15:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-10-11 10:15:12,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:12,157 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:15:12,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:15:12,157 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:12,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:12,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1371190560, now seen corresponding path program 1 times [2024-10-11 10:15:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:12,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576581010] [2024-10-11 10:15:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:15:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:15:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:15:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:15:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:15:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:15:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:15:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:15:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:15:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:15:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:15:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:15:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:15:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:15:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:15:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:15:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:15:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:15:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:15:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:15:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:15:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:16,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:15:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:15:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:15:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:15:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:15:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:15:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:15:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:15:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:15:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:15:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:15:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:15:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:15:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 10:15:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 10:15:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 10:15:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 10:15:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 10:15:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 10:15:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 10:15:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 10:15:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 10:15:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 10:15:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 10:15:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:15:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:15:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 10:15:17,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:15:17,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576581010] [2024-10-11 10:15:17,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576581010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:15:17,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:15:17,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 10:15:17,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634819886] [2024-10-11 10:15:17,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:15:17,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 10:15:17,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:15:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 10:15:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:15:17,030 INFO L87 Difference]: Start difference. First operand 109 states and 173 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:15:17,939 INFO L93 Difference]: Finished difference Result 368 states and 554 transitions. [2024-10-11 10:15:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 10:15:17,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 280 [2024-10-11 10:15:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:15:17,944 INFO L225 Difference]: With dead ends: 368 [2024-10-11 10:15:17,944 INFO L226 Difference]: Without dead ends: 260 [2024-10-11 10:15:17,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 10:15:17,946 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 347 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:15:17,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 532 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:15:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-11 10:15:17,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 203. [2024-10-11 10:15:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 132 states have (on average 1.371212121212121) internal successors, (181), 135 states have internal predecessors, (181), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 63 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 10:15:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 313 transitions. [2024-10-11 10:15:17,986 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 313 transitions. Word has length 280 [2024-10-11 10:15:17,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:15:17,986 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 313 transitions. [2024-10-11 10:15:17,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 10:15:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 313 transitions. [2024-10-11 10:15:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-10-11 10:15:17,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:15:17,989 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:15:17,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:15:17,989 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:15:17,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:15:17,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2051248930, now seen corresponding path program 1 times [2024-10-11 10:15:17,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:15:17,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896728885] [2024-10-11 10:15:17,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:15:17,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:15:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat