./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:16:49,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:16:49,744 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:16:49,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:16:49,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:16:49,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:16:49,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:16:49,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:16:49,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:16:49,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:16:49,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:16:49,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:16:49,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:16:49,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:16:49,793 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:16:49,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:16:49,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:16:49,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:16:49,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:16:49,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:16:49,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:16:49,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:16:49,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:16:49,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:16:49,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:16:49,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:16:49,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:16:49,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:16:49,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:16:49,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:16:49,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:16:49,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:16:49,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:16:49,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:16:49,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:16:49,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:16:49,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:16:49,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:16:49,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:16:49,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:16:49,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:16:49,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:16:49,807 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2024-10-14 08:16:50,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:16:50,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:16:50,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:16:50,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:16:50,089 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:16:50,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-10-14 08:16:51,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:16:51,814 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:16:51,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-10-14 08:16:51,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6d2cb6e/4dfdc059170b4dd79c8fc614e52b71ab/FLAG8f8e7ecc6 [2024-10-14 08:16:51,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6d2cb6e/4dfdc059170b4dd79c8fc614e52b71ab [2024-10-14 08:16:51,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:16:51,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:16:51,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:16:51,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:16:51,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:16:51,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:16:51" (1/1) ... [2024-10-14 08:16:51,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcad3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:51, skipping insertion in model container [2024-10-14 08:16:51,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:16:51" (1/1) ... [2024-10-14 08:16:51,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:16:52,058 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_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-10-14 08:16:52,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:16:52,134 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:16:52,144 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_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-10-14 08:16:52,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:16:52,194 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:16:52,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52 WrapperNode [2024-10-14 08:16:52,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:16:52,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:16:52,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:16:52,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:16:52,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,249 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2024-10-14 08:16:52,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:16:52,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:16:52,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:16:52,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:16:52,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,289 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]. [2024-10-14 08:16:52,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:16:52,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:16:52,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:16:52,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:16:52,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (1/1) ... [2024-10-14 08:16:52,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:16:52,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:16:52,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 08:16:52,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 08:16:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:16:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:16:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:16:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:16:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:16:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:16:52,513 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:16:52,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:16:52,870 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 08:16:52,870 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:16:52,930 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:16:52,931 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:16:52,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:16:52 BoogieIcfgContainer [2024-10-14 08:16:52,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:16:52,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:16:52,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:16:52,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:16:52,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:16:51" (1/3) ... [2024-10-14 08:16:52,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f01e5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:16:52, skipping insertion in model container [2024-10-14 08:16:52,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:16:52" (2/3) ... [2024-10-14 08:16:52,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f01e5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:16:52, skipping insertion in model container [2024-10-14 08:16:52,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:16:52" (3/3) ... [2024-10-14 08:16:52,943 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-10-14 08:16:52,962 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:16:52,963 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:16:53,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:16:53,034 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;@1567924e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:16:53,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:16:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 08:16:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:16:53,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:16:53,052 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:16:53,052 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:16:53,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:16:53,058 INFO L85 PathProgramCache]: Analyzing trace with hash 511374933, now seen corresponding path program 1 times [2024-10-14 08:16:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:16:53,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455865077] [2024-10-14 08:16:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:16:53,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:16:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:16:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:16:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:16:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:16:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:16:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:16:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:16:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:16:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:16:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:16:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:16:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:16:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:16:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:16:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:16:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:16:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:16:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:16:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:16:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:16:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:16:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:16:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:16:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:16:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:16:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:16:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:16:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:16:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:16:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 08:16:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:16:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 08:16:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:16:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:16:53,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:16:53,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455865077] [2024-10-14 08:16:53,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455865077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:16:53,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:16:53,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:16:53,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851071861] [2024-10-14 08:16:53,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:16:53,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:16:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:16:53,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:16:53,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:16:53,706 INFO L87 Difference]: Start difference. First operand has 81 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:16:53,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:16:53,753 INFO L93 Difference]: Finished difference Result 159 states and 291 transitions. [2024-10-14 08:16:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:16:53,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 200 [2024-10-14 08:16:53,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:16:53,765 INFO L225 Difference]: With dead ends: 159 [2024-10-14 08:16:53,765 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 08:16:53,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:16:53,775 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:16:53,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:16:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 08:16:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-14 08:16:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 08:16:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 125 transitions. [2024-10-14 08:16:53,839 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 125 transitions. Word has length 200 [2024-10-14 08:16:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:16:53,840 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 125 transitions. [2024-10-14 08:16:53,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:16:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2024-10-14 08:16:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:16:53,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:16:53,845 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:16:53,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:16:53,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:16:53,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:16:53,846 INFO L85 PathProgramCache]: Analyzing trace with hash 493199507, now seen corresponding path program 1 times [2024-10-14 08:16:53,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:16:53,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638809867] [2024-10-14 08:16:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:16:53,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:16:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:16:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:16:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:16:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:16:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:16:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:16:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:16:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:16:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:16:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:16:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:16:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:16:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:16:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:16:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:16:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:16:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:16:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:16:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:16:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:16:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:16:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:16:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:16:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:16:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:16:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:16:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:16:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:16:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:16:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 08:16:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:16:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 08:16:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:16:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:54,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:16:54,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:16:54,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638809867] [2024-10-14 08:16:54,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638809867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:16:54,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:16:54,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:16:54,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271244282] [2024-10-14 08:16:54,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:16:54,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:16:54,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:16:54,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:16:54,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:16:54,232 INFO L87 Difference]: Start difference. First operand 79 states and 125 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:16:54,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:16:54,349 INFO L93 Difference]: Finished difference Result 234 states and 371 transitions. [2024-10-14 08:16:54,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:16:54,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:16:54,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:16:54,355 INFO L225 Difference]: With dead ends: 234 [2024-10-14 08:16:54,355 INFO L226 Difference]: Without dead ends: 156 [2024-10-14 08:16:54,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:16:54,358 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 113 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:16:54,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 229 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:16:54,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-14 08:16:54,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2024-10-14 08:16:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 85 states have internal predecessors, (110), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:16:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 242 transitions. [2024-10-14 08:16:54,408 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 242 transitions. Word has length 200 [2024-10-14 08:16:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:16:54,409 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 242 transitions. [2024-10-14 08:16:54,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:16:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2024-10-14 08:16:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:16:54,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:16:54,413 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:16:54,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:16:54,413 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:16:54,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:16:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1281807855, now seen corresponding path program 1 times [2024-10-14 08:16:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:16:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004289559] [2024-10-14 08:16:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:16:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:16:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:16:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:16:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:16:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:16:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:16:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:16:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:16:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:16:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:16:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:16:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:16:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:16:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:16:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:16:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:16:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:16:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:16:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:16:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:16:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:16:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:16:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:16:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:16:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:16:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:16:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:16:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:16:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:16:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:16:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 08:16:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:16:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 08:16:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:16:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:16:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:16:55,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:16:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004289559] [2024-10-14 08:16:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004289559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:16:55,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:16:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 08:16:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152153838] [2024-10-14 08:16:55,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:16:55,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 08:16:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:16:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 08:16:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 08:16:55,348 INFO L87 Difference]: Start difference. First operand 154 states and 242 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:16:55,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:16:55,724 INFO L93 Difference]: Finished difference Result 367 states and 569 transitions. [2024-10-14 08:16:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 08:16:55,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 200 [2024-10-14 08:16:55,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:16:55,729 INFO L225 Difference]: With dead ends: 367 [2024-10-14 08:16:55,731 INFO L226 Difference]: Without dead ends: 214 [2024-10-14 08:16:55,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 08:16:55,734 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 139 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 08:16:55,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 194 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 08:16:55,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-14 08:16:55,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 208. [2024-10-14 08:16:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 125 states have (on average 1.32) internal successors, (165), 127 states have internal predecessors, (165), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 08:16:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 321 transitions. [2024-10-14 08:16:55,801 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 321 transitions. Word has length 200 [2024-10-14 08:16:55,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:16:55,802 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 321 transitions. [2024-10-14 08:16:55,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:16:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 321 transitions. [2024-10-14 08:16:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:16:55,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:16:55,812 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:16:55,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:16:55,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:16:55,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:16:55,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1539973293, now seen corresponding path program 1 times [2024-10-14 08:16:55,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:16:55,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846200501] [2024-10-14 08:16:55,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:16:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:16:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:17:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:17:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:17:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:17:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:17:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:17:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:17:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:17:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:17:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:17:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:19,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:17:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:17:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:17:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:17:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:17:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:17:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:17:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:17:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:17:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:17:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:17:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:17:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:17:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:17:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:17:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:17:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:17:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:17:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:17:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 08:17:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:17:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 08:17:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:17:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:17:20,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:17:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846200501] [2024-10-14 08:17:20,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846200501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:17:20,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:17:20,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 08:17:20,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491852490] [2024-10-14 08:17:20,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:17:20,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 08:17:20,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:17:20,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 08:17:20,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-14 08:17:20,064 INFO L87 Difference]: Start difference. First operand 208 states and 321 transitions. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:17:21,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:17:21,241 INFO L93 Difference]: Finished difference Result 261 states and 379 transitions. [2024-10-14 08:17:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 08:17:21,242 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:17:21,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:17:21,249 INFO L225 Difference]: With dead ends: 261 [2024-10-14 08:17:21,250 INFO L226 Difference]: Without dead ends: 259 [2024-10-14 08:17:21,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-10-14 08:17:21,252 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 191 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 08:17:21,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 451 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 08:17:21,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-14 08:17:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 225. [2024-10-14 08:17:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.3071428571428572) internal successors, (183), 142 states have internal predecessors, (183), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 08:17:21,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 339 transitions. [2024-10-14 08:17:21,308 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 339 transitions. Word has length 200 [2024-10-14 08:17:21,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:17:21,310 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 339 transitions. [2024-10-14 08:17:21,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:17:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 339 transitions. [2024-10-14 08:17:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:17:21,314 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:17:21,314 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:17:21,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:17:21,315 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:17:21,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:17:21,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1539913711, now seen corresponding path program 1 times [2024-10-14 08:17:21,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:17:21,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660965895] [2024-10-14 08:17:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:17:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:17:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:17:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:17:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:17:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:17:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:17:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:17:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:17:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:17:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:17:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:17:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:17:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:17:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:17:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:17:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:17:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:17:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:17:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:17:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:17:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:17:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:17:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:17:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:17:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:17:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:17:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:17:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:17:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:17:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:17:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 08:17:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:17:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 08:17:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:17:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:17:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:17:59,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:17:59,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660965895] [2024-10-14 08:17:59,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660965895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:17:59,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:17:59,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 08:17:59,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180413887] [2024-10-14 08:17:59,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:17:59,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 08:17:59,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:17:59,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 08:17:59,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-14 08:17:59,348 INFO L87 Difference]: Start difference. First operand 225 states and 339 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:18:02,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:18:02,215 INFO L93 Difference]: Finished difference Result 259 states and 377 transitions. [2024-10-14 08:18:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 08:18:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:18:02,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:18:02,219 INFO L225 Difference]: With dead ends: 259 [2024-10-14 08:18:02,220 INFO L226 Difference]: Without dead ends: 257 [2024-10-14 08:18:02,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-10-14 08:18:02,221 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 142 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 08:18:02,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 480 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 08:18:02,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-14 08:18:02,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 225. [2024-10-14 08:18:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.3071428571428572) internal successors, (183), 142 states have internal predecessors, (183), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 08:18:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 339 transitions. [2024-10-14 08:18:02,250 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 339 transitions. Word has length 200 [2024-10-14 08:18:02,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:18:02,251 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 339 transitions. [2024-10-14 08:18:02,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:18:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 339 transitions. [2024-10-14 08:18:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:18:02,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:18:02,253 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:18:02,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 08:18:02,254 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:18:02,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:18:02,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1945647377, now seen corresponding path program 1 times [2024-10-14 08:18:02,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:18:02,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65606421] [2024-10-14 08:18:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:18:02,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:18:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat