./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-56.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_fillercodesize_ps-cn-50_file-56.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 25dee156812923f4009aa29b92f2684a119b1400910c74d3234b2f21dc5fd6b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:45:44,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:45:44,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:45:44,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:45:44,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:45:44,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:45:44,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:45:44,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:45:44,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:45:44,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:45:44,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:45:44,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:45:44,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:45:44,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:45:44,378 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:45:44,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:45:44,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:45:44,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:45:44,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:45:44,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:45:44,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:45:44,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:45:44,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:45:44,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:45:44,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:45:44,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:45:44,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:45:44,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:45:44,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:45:44,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:45:44,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:45:44,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:45:44,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:45:44,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:45:44,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:45:44,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:45:44,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:45:44,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:45:44,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:45:44,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:45:44,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:45:44,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:45:44,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25dee156812923f4009aa29b92f2684a119b1400910c74d3234b2f21dc5fd6b3 [2024-10-24 06:45:44,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:45:44,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:45:44,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:45:44,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:45:44,708 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:45:44,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-56.i [2024-10-24 06:45:46,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:45:46,444 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:45:46,444 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-56.i [2024-10-24 06:45:46,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865d95dac/c616271e455f4344904901f64deb375c/FLAG4a291c287 [2024-10-24 06:45:46,757 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865d95dac/c616271e455f4344904901f64deb375c [2024-10-24 06:45:46,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:45:46,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:45:46,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:45:46,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:45:46,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:45:46,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:45:46" (1/1) ... [2024-10-24 06:45:46,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f063ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:46, skipping insertion in model container [2024-10-24 06:45:46,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:45:46" (1/1) ... [2024-10-24 06:45:46,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:45:46,963 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-56.i[915,928] [2024-10-24 06:45:47,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:45:47,063 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:45:47,074 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-56.i[915,928] [2024-10-24 06:45:47,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:45:47,137 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:45:47,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47 WrapperNode [2024-10-24 06:45:47,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:45:47,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:45:47,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:45:47,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:45:47,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,225 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 285 [2024-10-24 06:45:47,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:45:47,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:45:47,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:45:47,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:45:47,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,296 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:45:47,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:45:47,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:45:47,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:45:47,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:45:47,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (1/1) ... [2024-10-24 06:45:47,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:45:47,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:45:47,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:45:47,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:45:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:45:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:45:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:45:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:45:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:45:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:45:47,541 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:45:47,543 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:45:48,062 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 06:45:48,063 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:45:48,107 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:45:48,107 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:45:48,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:45:48 BoogieIcfgContainer [2024-10-24 06:45:48,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:45:48,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:45:48,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:45:48,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:45:48,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:45:46" (1/3) ... [2024-10-24 06:45:48,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff04588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:45:48, skipping insertion in model container [2024-10-24 06:45:48,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:47" (2/3) ... [2024-10-24 06:45:48,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff04588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:45:48, skipping insertion in model container [2024-10-24 06:45:48,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:45:48" (3/3) ... [2024-10-24 06:45:48,118 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-56.i [2024-10-24 06:45:48,135 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:45:48,136 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:45:48,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:45:48,203 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;@7d89aa48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:45:48,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:45:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 64 states have (on average 1.375) internal successors, (88), 65 states have internal predecessors, (88), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 06:45:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 06:45:48,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:45:48,230 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:45:48,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:45:48,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:45:48,236 INFO L85 PathProgramCache]: Analyzing trace with hash -483606018, now seen corresponding path program 1 times [2024-10-24 06:45:48,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:45:48,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469057847] [2024-10-24 06:45:48,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:45:48,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:45:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:45:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:45:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:45:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:45:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:45:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:45:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:45:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:45:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:45:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:45:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:45:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:45:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:45:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:45:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:45:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:45:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:45:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:45:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:45:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:45:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:45:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:45:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:45:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:45:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:45:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:45:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:45:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:45:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:45:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:45:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:45:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:45:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:45:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:45:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:45:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:45:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:45:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 06:45:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 06:45:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 06:45:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 06:45:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 06:45:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 06:45:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 06:45:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 06:45:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-24 06:45:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 06:45:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 06:45:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 06:45:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 06:45:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 06:45:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 06:45:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 06:45:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-24 06:45:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:45:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-24 06:45:50,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:45:50,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469057847] [2024-10-24 06:45:50,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469057847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:45:50,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:45:50,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:45:50,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28291867] [2024-10-24 06:45:50,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:45:50,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:45:50,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:45:50,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:45:50,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:45:50,541 INFO L87 Difference]: Start difference. First operand has 121 states, 64 states have (on average 1.375) internal successors, (88), 65 states have internal predecessors, (88), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-24 06:45:50,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:45:50,691 INFO L93 Difference]: Finished difference Result 277 states and 507 transitions. [2024-10-24 06:45:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:45:50,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 321 [2024-10-24 06:45:50,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:45:50,706 INFO L225 Difference]: With dead ends: 277 [2024-10-24 06:45:50,707 INFO L226 Difference]: Without dead ends: 157 [2024-10-24 06:45:50,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:45:50,718 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 44 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:45:50,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 739 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:45:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-24 06:45:50,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 144. [2024-10-24 06:45:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 84 states have internal predecessors, (111), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 06:45:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 227 transitions. [2024-10-24 06:45:50,803 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 227 transitions. Word has length 321 [2024-10-24 06:45:50,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:45:50,808 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 227 transitions. [2024-10-24 06:45:50,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-24 06:45:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 227 transitions. [2024-10-24 06:45:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 06:45:50,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:45:50,822 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:45:50,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:45:50,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:45:50,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:45:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1291401344, now seen corresponding path program 1 times [2024-10-24 06:45:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:45:50,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585256174] [2024-10-24 06:45:50,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:45:50,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:45:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat