./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-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-ps-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 db306fb71a2c499169cfbccecd2a6ee3c5f06d8426c432bc35438331c49d239a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:59:34,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:59:34,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:59:34,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:59:34,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:59:34,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:59:34,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:59:34,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:59:34,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:59:34,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:59:34,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:59:34,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:59:34,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:59:34,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:59:34,167 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:59:34,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:59:34,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:59:34,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:59:34,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:59:34,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:59:34,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:59:34,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:59:34,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:59:34,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:59:34,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:59:34,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:59:34,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:59:34,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:59:34,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:59:34,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:59:34,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:59:34,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:59:34,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:59:34,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:59:34,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:59:34,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:59:34,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:59:34,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:59:34,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:59:34,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:59:34,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:59:34,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:59:34,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db306fb71a2c499169cfbccecd2a6ee3c5f06d8426c432bc35438331c49d239a [2024-10-24 07:59:34,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:59:34,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:59:34,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:59:34,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:59:34,425 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:59:34,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-33.i [2024-10-24 07:59:35,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:59:36,082 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:59:36,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-33.i [2024-10-24 07:59:36,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54615bd2/dd46e3ada8074458ab248598fa290c7c/FLAG3ab12fbe9 [2024-10-24 07:59:36,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54615bd2/dd46e3ada8074458ab248598fa290c7c [2024-10-24 07:59:36,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:59:36,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:59:36,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:59:36,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:59:36,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:59:36,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d997246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36, skipping insertion in model container [2024-10-24 07:59:36,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:59:36,354 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-33.i[919,932] [2024-10-24 07:59:36,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:59:36,464 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:59:36,476 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-33.i[919,932] [2024-10-24 07:59:36,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:59:36,559 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:59:36,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36 WrapperNode [2024-10-24 07:59:36,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:59:36,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:59:36,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:59:36,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:59:36,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,647 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2024-10-24 07:59:36,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:59:36,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:59:36,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:59:36,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:59:36,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,687 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 07:59:36,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:59:36,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:59:36,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:59:36,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:59:36,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (1/1) ... [2024-10-24 07:59:36,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:59:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:59:36,779 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 07:59:36,782 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 07:59:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:59:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:59:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:59:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:59:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:59:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:59:36,911 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:59:36,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:59:37,360 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-24 07:59:37,361 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:59:37,404 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:59:37,405 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:59:37,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:59:37 BoogieIcfgContainer [2024-10-24 07:59:37,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:59:37,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:59:37,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:59:37,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:59:37,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:59:36" (1/3) ... [2024-10-24 07:59:37,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324c67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:59:37, skipping insertion in model container [2024-10-24 07:59:37,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:59:36" (2/3) ... [2024-10-24 07:59:37,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324c67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:59:37, skipping insertion in model container [2024-10-24 07:59:37,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:59:37" (3/3) ... [2024-10-24 07:59:37,414 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-33.i [2024-10-24 07:59:37,430 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:59:37,430 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:59:37,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:59:37,491 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;@2f2f342f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:59:37,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:59:37,495 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 07:59:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-24 07:59:37,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:59:37,510 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 07:59:37,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:59:37,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:59:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash 554714678, now seen corresponding path program 1 times [2024-10-24 07:59:37,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:59:37,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552982938] [2024-10-24 07:59:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:59:37,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:59:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:59:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:59:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:59:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:59:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:59:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:59:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:59:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:59:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:59:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 07:59:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:59:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 07:59:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:59:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 07:59:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:59:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 07:59:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:59:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:37,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:59:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:59:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:59:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:59:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 07:59:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:59:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:59:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:59:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:59:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:38,060 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 07:59:38,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:59:38,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552982938] [2024-10-24 07:59:38,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552982938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:59:38,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:59:38,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:59:38,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306472510] [2024-10-24 07:59:38,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:59:38,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:59:38,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:59:38,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:59:38,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:59:38,096 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 07:59:38,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:59:38,149 INFO L93 Difference]: Finished difference Result 159 states and 284 transitions. [2024-10-24 07:59:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:59:38,152 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 07:59:38,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:59:38,158 INFO L225 Difference]: With dead ends: 159 [2024-10-24 07:59:38,158 INFO L226 Difference]: Without dead ends: 78 [2024-10-24 07:59:38,162 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 07:59:38,165 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 07:59:38,168 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 07:59:38,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-24 07:59:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-24 07:59:38,215 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 07:59:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2024-10-24 07:59:38,219 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 165 [2024-10-24 07:59:38,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:59:38,220 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2024-10-24 07:59:38,220 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 07:59:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2024-10-24 07:59:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-24 07:59:38,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:59:38,226 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 07:59:38,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:59:38,227 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:59:38,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:59:38,229 INFO L85 PathProgramCache]: Analyzing trace with hash -483886090, now seen corresponding path program 1 times [2024-10-24 07:59:38,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:59:38,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740579894] [2024-10-24 07:59:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:59:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:59:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:59:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:59:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:59:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:59:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:59:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:59:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:59:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:59:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:59:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 07:59:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:59:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 07:59:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:59:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 07:59:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:59:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 07:59:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:59:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:59:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:59:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:59:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:59:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 07:59:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:59:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:59:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:59:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:59:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:39,479 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 07:59:39,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:59:39,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740579894] [2024-10-24 07:59:39,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740579894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:59:39,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:59:39,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:59:39,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741299911] [2024-10-24 07:59:39,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:59:39,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:59:39,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:59:39,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:59:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:59:39,486 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 07:59:39,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:59:39,813 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2024-10-24 07:59:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:59:39,814 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 07:59:39,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:59:39,818 INFO L225 Difference]: With dead ends: 237 [2024-10-24 07:59:39,819 INFO L226 Difference]: Without dead ends: 160 [2024-10-24 07:59:39,820 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 07:59:39,821 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 88 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:59:39,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 293 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:59:39,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-24 07:59:39,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 147. [2024-10-24 07:59:39,851 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 07:59:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 226 transitions. [2024-10-24 07:59:39,853 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 226 transitions. Word has length 165 [2024-10-24 07:59:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:59:39,856 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 226 transitions. [2024-10-24 07:59:39,856 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 07:59:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 226 transitions. [2024-10-24 07:59:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-24 07:59:39,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:59:39,861 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 07:59:39,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:59:39,862 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:59:39,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:59:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash 792011805, now seen corresponding path program 1 times [2024-10-24 07:59:39,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:59:39,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299103158] [2024-10-24 07:59:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:59:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:59:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:59:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:59:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:59:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:59:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:59:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:59:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:59:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:59:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:59:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 07:59:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:59:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 07:59:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:59:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 07:59:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:59:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 07:59:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:59:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:59:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:59:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:59:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:59:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 07:59:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:59:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:59:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:59:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:59:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:59:40,314 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 07:59:40,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:59:40,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299103158] [2024-10-24 07:59:40,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299103158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:59:40,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:59:40,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:59:40,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577266509] [2024-10-24 07:59:40,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:59:40,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:59:40,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:59:40,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:59:40,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:59:40,321 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 07:59:40,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:59:40,582 INFO L93 Difference]: Finished difference Result 246 states and 374 transitions. [2024-10-24 07:59:40,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:59:40,582 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 07:59:40,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:59:40,585 INFO L225 Difference]: With dead ends: 246 [2024-10-24 07:59:40,585 INFO L226 Difference]: Without dead ends: 156 [2024-10-24 07:59:40,588 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 07:59:40,589 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 85 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:59:40,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:59:40,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-24 07:59:40,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2024-10-24 07:59:40,613 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 07:59:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 226 transitions. [2024-10-24 07:59:40,615 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 226 transitions. Word has length 166 [2024-10-24 07:59:40,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:59:40,616 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 226 transitions. [2024-10-24 07:59:40,616 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 07:59:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 226 transitions. [2024-10-24 07:59:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-24 07:59:40,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:59:40,625 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 07:59:40,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:59:40,625 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:59:40,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:59:40,625 INFO L85 PathProgramCache]: Analyzing trace with hash 809931865, now seen corresponding path program 1 times [2024-10-24 07:59:40,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:59:40,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296855720] [2024-10-24 07:59:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:59:40,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:59:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat