./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_fillercodestructure_filler-pe-ci_file-33.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 2455b112e52a42d84b808fd6137571b9cca3ff5d97324027a8a2378e325a2c67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:53:47,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:53:47,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:53:47,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:53:47,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:53:47,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:53:47,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:53:47,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:53:47,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:53:47,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:53:47,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:53:47,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:53:47,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:53:47,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:53:47,243 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:53:47,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:53:47,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:53:47,244 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:53:47,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:53:47,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:53:47,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:53:47,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:53:47,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:53:47,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:53:47,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:53:47,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:53:47,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:53:47,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:53:47,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:53:47,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:53:47,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:53:47,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:53:47,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:53:47,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:53:47,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:53:47,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:53:47,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:53:47,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:53:47,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:53:47,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:53:47,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:53:47,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:53:47,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2455b112e52a42d84b808fd6137571b9cca3ff5d97324027a8a2378e325a2c67 [2024-10-24 06:53:47,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:53:47,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:53:47,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:53:47,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:53:47,511 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:53:47,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i [2024-10-24 06:53:49,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:53:49,264 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:53:49,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i [2024-10-24 06:53:49,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/750ea9150/8d58bf7a2e904ce2910ce656a5dbebe5/FLAGd7249d87a [2024-10-24 06:53:49,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/750ea9150/8d58bf7a2e904ce2910ce656a5dbebe5 [2024-10-24 06:53:49,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:53:49,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:53:49,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:53:49,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:53:49,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:53:49,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:53:49" (1/1) ... [2024-10-24 06:53:49,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2637c2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:49, skipping insertion in model container [2024-10-24 06:53:49,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:53:49" (1/1) ... [2024-10-24 06:53:49,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:53:49,858 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i[919,932] [2024-10-24 06:53:49,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:53:49,940 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:53:49,950 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i[919,932] [2024-10-24 06:53:49,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:53:50,013 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:53:50,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50 WrapperNode [2024-10-24 06:53:50,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:53:50,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:53:50,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:53:50,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:53:50,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,078 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2024-10-24 06:53:50,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:53:50,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:53:50,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:53:50,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:53:50,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,102 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,124 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]. [2024-10-24 06:53:50,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:53:50,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:53:50,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:53:50,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:53:50,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (1/1) ... [2024-10-24 06:53:50,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:53:50,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:53:50,208 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) [2024-10-24 06:53:50,213 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 [2024-10-24 06:53:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:53:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:53:50,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:53:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:53:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:53:50,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:53:50,370 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:53:50,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:53:50,832 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-24 06:53:50,832 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:53:50,868 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:53:50,869 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:53:50,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:53:50 BoogieIcfgContainer [2024-10-24 06:53:50,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:53:50,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:53:50,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:53:50,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:53:50,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:53:49" (1/3) ... [2024-10-24 06:53:50,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be401cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:53:50, skipping insertion in model container [2024-10-24 06:53:50,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:53:50" (2/3) ... [2024-10-24 06:53:50,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be401cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:53:50, skipping insertion in model container [2024-10-24 06:53:50,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:53:50" (3/3) ... [2024-10-24 06:53:50,880 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i [2024-10-24 06:53:50,894 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:53:50,894 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:53:50,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:53:50,966 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;@37e6166a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:53:50,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:53:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-24 06:53:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-24 06:53:50,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:53:50,987 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:53:50,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:53:50,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:53:50,995 INFO L85 PathProgramCache]: Analyzing trace with hash -690950363, now seen corresponding path program 1 times [2024-10-24 06:53:51,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:53:51,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578429418] [2024-10-24 06:53:51,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:53:51,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:53:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:53:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 06:53:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 06:53:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 06:53:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 06:53:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 06:53:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 06:53:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:53:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:53:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:53:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:53:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:53:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:53:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:53:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:53:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:53:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:53:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:53:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:53:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:53:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:53:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:53:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:53:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:53:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:53:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:53:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-24 06:53:51,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:53:51,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578429418] [2024-10-24 06:53:51,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578429418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:53:51,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:53:51,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:53:51,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47393827] [2024-10-24 06:53:51,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:53:51,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:53:51,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:53:51,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:53:51,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:53:51,637 INFO L87 Difference]: Start difference. First operand has 82 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-24 06:53:51,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:53:51,685 INFO L93 Difference]: Finished difference Result 159 states and 284 transitions. [2024-10-24 06:53:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:53:51,690 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2024-10-24 06:53:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:53:51,699 INFO L225 Difference]: With dead ends: 159 [2024-10-24 06:53:51,700 INFO L226 Difference]: Without dead ends: 78 [2024-10-24 06:53:51,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:53:51,710 INFO L432 NwaCegarLoop]: 116 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, 116 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 [2024-10-24 06:53:51,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:53:51,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-24 06:53:51,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-24 06:53:51,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-24 06:53:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2024-10-24 06:53:51,770 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 165 [2024-10-24 06:53:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:53:51,770 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2024-10-24 06:53:51,771 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-24 06:53:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2024-10-24 06:53:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-24 06:53:51,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:53:51,780 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:53:51,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:53:51,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:53:51,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:53:51,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1729551131, now seen corresponding path program 1 times [2024-10-24 06:53:51,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:53:51,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81243947] [2024-10-24 06:53:51,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:53:51,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:53:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:53:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 06:53:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 06:53:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 06:53:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 06:53:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 06:53:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 06:53:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:53:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:53:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:53:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:53:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:53:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:53:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:53:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:53:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:53:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:53:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:53:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:53:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:53:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:53:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:53:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:53:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:53:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:53:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:53:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-24 06:53:53,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:53:53,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81243947] [2024-10-24 06:53:53,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81243947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:53:53,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:53:53,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:53:53,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783903432] [2024-10-24 06:53:53,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:53:53,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:53:53,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:53:53,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:53:53,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:53:53,074 INFO L87 Difference]: Start difference. First operand 78 states and 119 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-24 06:53:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:53:53,457 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2024-10-24 06:53:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:53:53,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-10-24 06:53:53,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:53:53,463 INFO L225 Difference]: With dead ends: 237 [2024-10-24 06:53:53,464 INFO L226 Difference]: Without dead ends: 160 [2024-10-24 06:53:53,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:53:53,468 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 81 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:53:53,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 295 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 06:53:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-24 06:53:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 147. [2024-10-24 06:53:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 92 states have (on average 1.326086956521739) internal successors, (122), 92 states have internal predecessors, (122), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-24 06:53:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 226 transitions. [2024-10-24 06:53:53,523 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 226 transitions. Word has length 165 [2024-10-24 06:53:53,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:53:53,524 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 226 transitions. [2024-10-24 06:53:53,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-24 06:53:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 226 transitions. [2024-10-24 06:53:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-24 06:53:53,531 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:53:53,531 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:53:53,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:53:53,531 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:53:53,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:53:53,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1779688814, now seen corresponding path program 1 times [2024-10-24 06:53:53,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:53:53,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280560198] [2024-10-24 06:53:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:53:53,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:53:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:53:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 06:53:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 06:53:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 06:53:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 06:53:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 06:53:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 06:53:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:53:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:53:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:53:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:53:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:53:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:53:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:53:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:53:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:53:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:53:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:53:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:53:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:53:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:53:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:53:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:53:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:53:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:53:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:53:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:53:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-24 06:53:53,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:53:53,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280560198] [2024-10-24 06:53:53,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280560198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:53:53,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:53:53,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:53:53,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039332401] [2024-10-24 06:53:53,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:53:53,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:53:53,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:53:53,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:53:53,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:53:53,963 INFO L87 Difference]: Start difference. First operand 147 states and 226 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-24 06:53:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:53:54,193 INFO L93 Difference]: Finished difference Result 255 states and 388 transitions. [2024-10-24 06:53:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:53:54,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-10-24 06:53:54,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:53:54,196 INFO L225 Difference]: With dead ends: 255 [2024-10-24 06:53:54,196 INFO L226 Difference]: Without dead ends: 156 [2024-10-24 06:53:54,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:53:54,198 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 78 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 06:53:54,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 300 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 06:53:54,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-24 06:53:54,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2024-10-24 06:53:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-24 06:53:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 226 transitions. [2024-10-24 06:53:54,236 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 226 transitions. Word has length 166 [2024-10-24 06:53:54,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:53:54,239 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 226 transitions. [2024-10-24 06:53:54,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-24 06:53:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 226 transitions. [2024-10-24 06:53:54,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-24 06:53:54,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:53:54,241 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:53:54,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:53:54,242 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:53:54,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:53:54,242 INFO L85 PathProgramCache]: Analyzing trace with hash -265462366, now seen corresponding path program 1 times [2024-10-24 06:53:54,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:53:54,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785087865] [2024-10-24 06:53:54,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:53:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:53:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat