./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_floatingpointinfluence_no-floats_file-92.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_floatingpointinfluence_no-floats_file-92.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 343bf8c1f5b63cb570b33f072686383ced273d5beece8568668536fb7145f86c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 09:00:12,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 09:00:12,740 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 09:00:12,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 09:00:12,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 09:00:12,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 09:00:12,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 09:00:12,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 09:00:12,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 09:00:12,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 09:00:12,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 09:00:12,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 09:00:12,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 09:00:12,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 09:00:12,769 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 09:00:12,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 09:00:12,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 09:00:12,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 09:00:12,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 09:00:12,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 09:00:12,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 09:00:12,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 09:00:12,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 09:00:12,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 09:00:12,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 09:00:12,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 09:00:12,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 09:00:12,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 09:00:12,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 09:00:12,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 09:00:12,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 09:00:12,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 09:00:12,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:00:12,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 09:00:12,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 09:00:12,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 09:00:12,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 09:00:12,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 09:00:12,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 09:00:12,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 09:00:12,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 09:00:12,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 09:00:12,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 343bf8c1f5b63cb570b33f072686383ced273d5beece8568668536fb7145f86c [2024-10-24 09:00:12,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 09:00:13,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 09:00:13,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 09:00:13,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 09:00:13,017 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 09:00:13,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-92.i [2024-10-24 09:00:14,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 09:00:14,348 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 09:00:14,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-92.i [2024-10-24 09:00:14,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ecc65a4/61d473e3abb3427dbde014d41189e150/FLAG570f862e7 [2024-10-24 09:00:14,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ecc65a4/61d473e3abb3427dbde014d41189e150 [2024-10-24 09:00:14,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 09:00:14,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 09:00:14,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 09:00:14,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 09:00:14,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 09:00:14,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7afa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14, skipping insertion in model container [2024-10-24 09:00:14,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 09:00:14,541 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_floatingpointinfluence_no-floats_file-92.i[916,929] [2024-10-24 09:00:14,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:00:14,583 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 09:00:14,602 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_floatingpointinfluence_no-floats_file-92.i[916,929] [2024-10-24 09:00:14,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:00:14,654 INFO L204 MainTranslator]: Completed translation [2024-10-24 09:00:14,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14 WrapperNode [2024-10-24 09:00:14,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 09:00:14,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 09:00:14,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 09:00:14,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 09:00:14,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,697 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-10-24 09:00:14,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 09:00:14,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 09:00:14,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 09:00:14,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 09:00:14,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,721 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 09:00:14,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 09:00:14,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 09:00:14,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 09:00:14,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 09:00:14,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (1/1) ... [2024-10-24 09:00:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:00:14,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:00:14,766 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 09:00:14,768 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 09:00:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 09:00:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 09:00:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 09:00:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 09:00:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 09:00:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 09:00:14,874 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 09:00:14,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 09:00:15,094 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 09:00:15,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 09:00:15,133 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 09:00:15,133 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 09:00:15,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:00:15 BoogieIcfgContainer [2024-10-24 09:00:15,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 09:00:15,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 09:00:15,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 09:00:15,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 09:00:15,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:00:14" (1/3) ... [2024-10-24 09:00:15,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fce18f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:00:15, skipping insertion in model container [2024-10-24 09:00:15,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:14" (2/3) ... [2024-10-24 09:00:15,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fce18f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:00:15, skipping insertion in model container [2024-10-24 09:00:15,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:00:15" (3/3) ... [2024-10-24 09:00:15,141 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-92.i [2024-10-24 09:00:15,154 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 09:00:15,154 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 09:00:15,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 09:00:15,201 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;@7ff4b4c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 09:00:15,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 09:00:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 09:00:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-24 09:00:15,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:15,218 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:15,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:15,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:15,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1393513753, now seen corresponding path program 1 times [2024-10-24 09:00:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:15,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553814639] [2024-10-24 09:00:15,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:15,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:00:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:00:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:00:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:00:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:00:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:00:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:00:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:00:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:00:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:00:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:00:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:00:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:00:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:00:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 09:00:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:00:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:00:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:00:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:00:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:00:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:00:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 09:00:15,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:00:15,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553814639] [2024-10-24 09:00:15,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553814639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:00:15,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:00:15,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 09:00:15,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606538044] [2024-10-24 09:00:15,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:00:15,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 09:00:15,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:00:15,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 09:00:15,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:00:15,577 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 09:00:15,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:15,630 INFO L93 Difference]: Finished difference Result 115 states and 199 transitions. [2024-10-24 09:00:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 09:00:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-10-24 09:00:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:15,653 INFO L225 Difference]: With dead ends: 115 [2024-10-24 09:00:15,654 INFO L226 Difference]: Without dead ends: 57 [2024-10-24 09:00:15,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 09:00:15,658 INFO L432 NwaCegarLoop]: 82 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, 82 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 09:00:15,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 09:00:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-24 09:00:15,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-24 09:00:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 09:00:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-10-24 09:00:15,691 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 129 [2024-10-24 09:00:15,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:15,691 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-10-24 09:00:15,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 09:00:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-10-24 09:00:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-24 09:00:15,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:15,695 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:15,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 09:00:15,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:15,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1941769253, now seen corresponding path program 1 times [2024-10-24 09:00:15,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:15,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615024044] [2024-10-24 09:00:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:15,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:00:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:00:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:00:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:00:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:00:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:00:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:00:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:00:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:00:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:00:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:00:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:00:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:00:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:00:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 09:00:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:00:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:00:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:00:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:00:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:00:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:00:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 09:00:16,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:00:16,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615024044] [2024-10-24 09:00:16,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615024044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:00:16,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:00:16,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 09:00:16,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393618393] [2024-10-24 09:00:16,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:00:16,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 09:00:16,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:00:16,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 09:00:16,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 09:00:16,083 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 09:00:16,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:16,234 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2024-10-24 09:00:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 09:00:16,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 129 [2024-10-24 09:00:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:16,238 INFO L225 Difference]: With dead ends: 114 [2024-10-24 09:00:16,239 INFO L226 Difference]: Without dead ends: 58 [2024-10-24 09:00:16,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:00:16,241 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 20 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 09:00:16,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 166 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 09:00:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-24 09:00:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-10-24 09:00:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 09:00:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-10-24 09:00:16,253 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 129 [2024-10-24 09:00:16,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:16,256 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-10-24 09:00:16,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 09:00:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-10-24 09:00:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 09:00:16,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:16,258 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:16,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 09:00:16,259 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:16,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1511693098, now seen corresponding path program 1 times [2024-10-24 09:00:16,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:16,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991394646] [2024-10-24 09:00:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:16,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:00:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:00:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:00:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:00:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:00:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:00:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:00:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:00:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:00:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:00:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:00:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:00:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:00:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:00:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 09:00:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:00:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:00:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:00:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:00:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:00:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:00:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-10-24 09:00:16,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:00:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991394646] [2024-10-24 09:00:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991394646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 09:00:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848879913] [2024-10-24 09:00:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:16,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:00:16,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:00:16,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 09:00:16,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 09:00:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:16,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 09:00:16,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 09:00:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-10-24 09:00:16,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 09:00:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-10-24 09:00:17,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848879913] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 09:00:17,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 09:00:17,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-24 09:00:17,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868722549] [2024-10-24 09:00:17,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 09:00:17,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 09:00:17,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:00:17,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 09:00:17,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:00:17,078 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-24 09:00:17,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:17,729 INFO L93 Difference]: Finished difference Result 247 states and 351 transitions. [2024-10-24 09:00:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 09:00:17,730 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 131 [2024-10-24 09:00:17,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:17,732 INFO L225 Difference]: With dead ends: 247 [2024-10-24 09:00:17,732 INFO L226 Difference]: Without dead ends: 191 [2024-10-24 09:00:17,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-10-24 09:00:17,734 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 256 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:00:17,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 324 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 09:00:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-24 09:00:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 63. [2024-10-24 09:00:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.205128205128205) internal successors, (47), 39 states have internal predecessors, (47), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 09:00:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2024-10-24 09:00:17,755 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 131 [2024-10-24 09:00:17,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:17,756 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2024-10-24 09:00:17,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-24 09:00:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2024-10-24 09:00:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 09:00:17,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:17,761 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:17,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 09:00:17,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:00:17,963 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:17,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash 702346472, now seen corresponding path program 1 times [2024-10-24 09:00:17,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:17,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275233820] [2024-10-24 09:00:17,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:17,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 09:00:18,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224491466] [2024-10-24 09:00:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:18,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 09:00:18,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:00:18,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 09:00:18,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 09:00:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:18,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-24 09:00:18,107 INFO L278 TraceCheckSpWp]: Computing forward predicates...