./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-pr-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-pr-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 93ddecb04a6299d03367d49b2a7c18daa1f10c6a17d17e5a40552766d0a5b65a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:42:34,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:42:34,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:42:34,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:42:34,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:42:34,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:42:34,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:42:34,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:42:34,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:42:34,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:42:34,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:42:34,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:42:34,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:42:34,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:42:34,788 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:42:34,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:42:34,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:42:34,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:42:34,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:42:34,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:42:34,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:42:34,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:42:34,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:42:34,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:42:34,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:42:34,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:42:34,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:42:34,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:42:34,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:42:34,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:42:34,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:42:34,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:42:34,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:42:34,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:42:34,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:42:34,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:42:34,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:42:34,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:42:34,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:42:34,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:42:34,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:42:34,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:42:34,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ddecb04a6299d03367d49b2a7c18daa1f10c6a17d17e5a40552766d0a5b65a [2024-10-11 09:42:35,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:42:35,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:42:35,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:42:35,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:42:35,104 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:42:35,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-10-11 09:42:36,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:42:36,831 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:42:36,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-10-11 09:42:36,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/14e432857/3a2c6dabfbb94b27a58096ff22dc1777/FLAGb1c9db69f [2024-10-11 09:42:37,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/14e432857/3a2c6dabfbb94b27a58096ff22dc1777 [2024-10-11 09:42:37,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:42:37,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:42:37,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:42:37,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:42:37,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:42:37,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d1f278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37, skipping insertion in model container [2024-10-11 09:42:37,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:42:37,388 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-pr-cn_file-64.i[919,932] [2024-10-11 09:42:37,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:42:37,500 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:42:37,510 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-pr-cn_file-64.i[919,932] [2024-10-11 09:42:37,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:42:37,575 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:42:37,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37 WrapperNode [2024-10-11 09:42:37,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:42:37,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:42:37,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:42:37,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:42:37,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,628 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-11 09:42:37,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:42:37,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:42:37,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:42:37,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:42:37,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,674 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 09:42:37,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:42:37,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:42:37,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:42:37,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:42:37,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (1/1) ... [2024-10-11 09:42:37,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:42:37,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:42:37,739 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 09:42:37,746 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 09:42:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:42:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:42:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:42:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:42:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:42:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:42:37,895 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:42:37,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:42:38,254 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 09:42:38,254 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:42:38,311 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:42:38,313 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:42:38,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:42:38 BoogieIcfgContainer [2024-10-11 09:42:38,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:42:38,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:42:38,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:42:38,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:42:38,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:42:37" (1/3) ... [2024-10-11 09:42:38,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b4e4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:42:38, skipping insertion in model container [2024-10-11 09:42:38,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:42:37" (2/3) ... [2024-10-11 09:42:38,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b4e4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:42:38, skipping insertion in model container [2024-10-11 09:42:38,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:42:38" (3/3) ... [2024-10-11 09:42:38,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-10-11 09:42:38,343 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:42:38,344 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:42:38,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:42:38,415 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;@1c1636b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:42:38,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:42:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 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 09:42:38,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-11 09:42:38,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:42:38,442 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] [2024-10-11 09:42:38,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:42:38,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:42:38,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1717957512, now seen corresponding path program 1 times [2024-10-11 09:42:38,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:42:38,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525997465] [2024-10-11 09:42:38,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:42:38,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:42:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:42:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:42:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:42:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:42:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:42:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:42:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:42:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:42:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:42:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:42:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:42:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:42:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:42:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:42:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:42:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:42:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:42:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:42:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:42:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:42:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:42:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:42:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:42:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:42:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:42:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:42:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:42:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:42:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:42:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:42:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:42:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:42:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:42:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 09:42:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 09:42:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:42:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 09:42:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:42:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 09:42:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:42:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:42:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:42:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 09:42:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:42:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 09:42:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:42:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:39,818 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 09:42:39,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:42:39,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525997465] [2024-10-11 09:42:39,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525997465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:42:39,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:42:39,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:42:39,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189617652] [2024-10-11 09:42:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:42:39,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:42:39,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:42:39,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:42:39,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:42:39,858 INFO L87 Difference]: Start difference. First operand has 110 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 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 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 09:42:40,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:42:40,319 INFO L93 Difference]: Finished difference Result 331 states and 630 transitions. [2024-10-11 09:42:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:42:40,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 277 [2024-10-11 09:42:40,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:42:40,342 INFO L225 Difference]: With dead ends: 331 [2024-10-11 09:42:40,343 INFO L226 Difference]: Without dead ends: 222 [2024-10-11 09:42:40,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 09:42:40,352 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 171 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:42:40,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 947 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 09:42:40,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-11 09:42:40,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 114. [2024-10-11 09:42:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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 09:42:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions. [2024-10-11 09:42:40,426 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 277 [2024-10-11 09:42:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:42:40,429 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 182 transitions. [2024-10-11 09:42:40,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:40,429 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2024-10-11 09:42:40,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-11 09:42:40,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:42:40,435 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] [2024-10-11 09:42:40,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:42:40,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:42:40,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:42:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1896951414, now seen corresponding path program 1 times [2024-10-11 09:42:40,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:42:40,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969475893] [2024-10-11 09:42:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:42:40,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:42:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:42:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:42:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:42:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:42:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:42:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:42:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:42:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:42:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:42:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:42:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:42:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:42:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:42:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:42:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:42:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:42:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:42:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:42:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:42:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:42:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:42:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:42:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:42:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:42:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:42:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:42:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:42:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:42:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:42:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:42:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:42:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:42:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:42:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 09:42:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 09:42:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:42:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 09:42:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:42:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 09:42:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:42:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:42:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:42:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 09:42:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:42:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 09:42:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:42:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:40,932 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 09:42:40,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:42:40,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969475893] [2024-10-11 09:42:40,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969475893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:42:40,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:42:40,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:42:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000373830] [2024-10-11 09:42:40,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:42:40,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:42:40,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:42:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:42:40,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:42:40,943 INFO L87 Difference]: Start difference. First operand 114 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:42:41,206 INFO L93 Difference]: Finished difference Result 335 states and 530 transitions. [2024-10-11 09:42:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:42:41,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 277 [2024-10-11 09:42:41,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:42:41,215 INFO L225 Difference]: With dead ends: 335 [2024-10-11 09:42:41,218 INFO L226 Difference]: Without dead ends: 222 [2024-10-11 09:42:41,220 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 09:42:41,221 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 170 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:42:41,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 857 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:42:41,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-11 09:42:41,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 114. [2024-10-11 09:42:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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 09:42:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions. [2024-10-11 09:42:41,259 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 277 [2024-10-11 09:42:41,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:42:41,260 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 182 transitions. [2024-10-11 09:42:41,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2024-10-11 09:42:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-11 09:42:41,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:42:41,269 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] [2024-10-11 09:42:41,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:42:41,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:42:41,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:42:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash -748825974, now seen corresponding path program 1 times [2024-10-11 09:42:41,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:42:41,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722630858] [2024-10-11 09:42:41,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:42:41,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:42:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:42:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:42:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:42:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:42:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:42:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:42:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:42:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:42:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:42:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:42:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:42:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:42:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:42:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:42:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:42:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:42:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:42:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:42:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:42:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:42:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:42:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:42:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:42:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:42:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:42:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:42:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:42:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:42:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:42:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:42:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:42:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:42:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:42:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 09:42:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 09:42:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:42:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 09:42:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:42:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 09:42:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:42:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:42:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:42:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 09:42:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:42:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 09:42:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:42:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:41,696 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 09:42:41,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:42:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722630858] [2024-10-11 09:42:41,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722630858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:42:41,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:42:41,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:42:41,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075905162] [2024-10-11 09:42:41,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:42:41,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:42:41,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:42:41,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:42:41,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:42:41,703 INFO L87 Difference]: Start difference. First operand 114 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:41,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:42:41,961 INFO L93 Difference]: Finished difference Result 409 states and 649 transitions. [2024-10-11 09:42:41,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:42:41,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 277 [2024-10-11 09:42:41,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:42:41,978 INFO L225 Difference]: With dead ends: 409 [2024-10-11 09:42:41,978 INFO L226 Difference]: Without dead ends: 296 [2024-10-11 09:42:41,979 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 09:42:41,981 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 290 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:42:41,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 806 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:42:41,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-11 09:42:42,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 114. [2024-10-11 09:42:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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 09:42:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions. [2024-10-11 09:42:42,008 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 277 [2024-10-11 09:42:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:42:42,010 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 182 transitions. [2024-10-11 09:42:42,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2024-10-11 09:42:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-11 09:42:42,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:42:42,014 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] [2024-10-11 09:42:42,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:42:42,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:42:42,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:42:42,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1428884344, now seen corresponding path program 1 times [2024-10-11 09:42:42,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:42:42,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645595234] [2024-10-11 09:42:42,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:42:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:42:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:42:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:42:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:42:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:42:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:42:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:42:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:42:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:42:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:42:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:42:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:42:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:42:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:42:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:42:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:42:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:42:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:42:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:42:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:42:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:42:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:42:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:42:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:42:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:42:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:42:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:42:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:42:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:42:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:42:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:42:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:42:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:42:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:42:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 09:42:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 09:42:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:42:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 09:42:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:42:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 09:42:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:42:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:42:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:42:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 09:42:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:42:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 09:42:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:42:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:42:42,389 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 09:42:42,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:42:42,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645595234] [2024-10-11 09:42:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645595234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:42:42,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:42:42,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:42:42,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81954237] [2024-10-11 09:42:42,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:42:42,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:42:42,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:42:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:42:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:42:42,394 INFO L87 Difference]: Start difference. First operand 114 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:42,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:42:42,667 INFO L93 Difference]: Finished difference Result 409 states and 648 transitions. [2024-10-11 09:42:42,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:42:42,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 277 [2024-10-11 09:42:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:42:42,673 INFO L225 Difference]: With dead ends: 409 [2024-10-11 09:42:42,674 INFO L226 Difference]: Without dead ends: 296 [2024-10-11 09:42:42,675 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 09:42:42,678 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 289 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:42:42,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 821 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:42:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-11 09:42:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 108. [2024-10-11 09:42:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 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 09:42:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 172 transitions. [2024-10-11 09:42:42,712 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 172 transitions. Word has length 277 [2024-10-11 09:42:42,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:42:42,716 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 172 transitions. [2024-10-11 09:42:42,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 09:42:42,716 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2024-10-11 09:42:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-10-11 09:42:42,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:42:42,720 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] [2024-10-11 09:42:42,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:42:42,721 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:42:42,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:42:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1283226573, now seen corresponding path program 1 times [2024-10-11 09:42:42,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:42:42,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768140430] [2024-10-11 09:42:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:42:42,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:42:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat