./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.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 acffbf4568185b4df73fbdfca312807b0d1acfe4982bda3fcfc32319476145af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:13:09,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:13:10,028 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:13:10,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:13:10,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:13:10,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:13:10,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:13:10,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:13:10,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:13:10,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:13:10,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:13:10,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:13:10,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:13:10,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:13:10,092 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:13:10,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:13:10,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:13:10,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:13:10,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:13:10,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:13:10,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:13:10,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:13:10,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:13:10,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:13:10,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:13:10,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:13:10,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:13:10,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:13:10,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:13:10,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:13:10,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:13:10,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:13:10,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:13:10,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:13:10,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:13:10,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:13:10,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:13:10,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:13:10,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:13:10,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:13:10,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:13:10,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:13:10,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acffbf4568185b4df73fbdfca312807b0d1acfe4982bda3fcfc32319476145af [2024-10-24 07:13:10,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:13:10,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:13:10,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:13:10,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:13:10,559 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:13:10,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-10-24 07:13:11,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:13:12,216 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:13:12,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-10-24 07:13:12,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdca66aa1/8e9d960fb1cc45539d70e50572407c30/FLAG9aefdd478 [2024-10-24 07:13:12,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdca66aa1/8e9d960fb1cc45539d70e50572407c30 [2024-10-24 07:13:12,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:13:12,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:13:12,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:13:12,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:13:12,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:13:12,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:12,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e14f669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12, skipping insertion in model container [2024-10-24 07:13:12,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:12,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:13:12,752 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i[919,932] [2024-10-24 07:13:12,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:13:12,830 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:13:12,840 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i[919,932] [2024-10-24 07:13:12,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:13:12,889 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:13:12,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12 WrapperNode [2024-10-24 07:13:12,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:13:12,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:13:12,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:13:12,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:13:12,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:12,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:12,975 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-10-24 07:13:12,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:13:12,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:13:12,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:13:12,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:13:12,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:12,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:12,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,010 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 07:13:13,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:13:13,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:13:13,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:13:13,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:13:13,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (1/1) ... [2024-10-24 07:13:13,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:13:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:13:13,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 07:13:13,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 07:13:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:13:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:13:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:13:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:13:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:13:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:13:13,237 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:13:13,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:13:13,763 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-24 07:13:13,764 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:13:13,807 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:13:13,810 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:13:13,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:13:13 BoogieIcfgContainer [2024-10-24 07:13:13,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:13:13,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:13:13,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:13:13,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:13:13,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:13:12" (1/3) ... [2024-10-24 07:13:13,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74514382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:13:13, skipping insertion in model container [2024-10-24 07:13:13,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:13:12" (2/3) ... [2024-10-24 07:13:13,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74514382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:13:13, skipping insertion in model container [2024-10-24 07:13:13,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:13:13" (3/3) ... [2024-10-24 07:13:13,857 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-10-24 07:13:13,907 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:13:13,907 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:13:14,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:13:14,022 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;@355eea13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:13:14,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:13:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 88 states have internal predecessors, (127), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 07:13:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-24 07:13:14,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:13:14,044 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:13:14,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:13:14,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:13:14,049 INFO L85 PathProgramCache]: Analyzing trace with hash -201565867, now seen corresponding path program 1 times [2024-10-24 07:13:14,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:13:14,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117342144] [2024-10-24 07:13:14,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:13:14,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:13:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:13:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:13:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:13:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:13:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:13:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:13:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:13:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:13:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:13:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:13:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:13:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:13:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:13:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:13:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:13:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:13:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:13:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:13:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:13:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:13:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:13:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:13:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:13:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:13:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:13:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:13:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:13:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:13:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:13:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:13:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:13:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:13:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:13:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:13:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:13:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:13:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 07:13:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:13:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:13:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:13:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:13:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 07:13:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:13:14,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:13:14,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117342144] [2024-10-24 07:13:14,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117342144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:13:14,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:13:14,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:13:14,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454524337] [2024-10-24 07:13:14,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:13:14,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:13:14,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:13:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:13:14,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:13:14,678 INFO L87 Difference]: Start difference. First operand has 132 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 88 states have internal predecessors, (127), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 07:13:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:13:14,739 INFO L93 Difference]: Finished difference Result 261 states and 462 transitions. [2024-10-24 07:13:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:13:14,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 258 [2024-10-24 07:13:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:13:14,751 INFO L225 Difference]: With dead ends: 261 [2024-10-24 07:13:14,752 INFO L226 Difference]: Without dead ends: 130 [2024-10-24 07:13:14,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:13:14,762 INFO L432 NwaCegarLoop]: 203 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, 203 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:13:14,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:13:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-24 07:13:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-10-24 07:13:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 07:13:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 206 transitions. [2024-10-24 07:13:14,825 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 206 transitions. Word has length 258 [2024-10-24 07:13:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:13:14,826 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 206 transitions. [2024-10-24 07:13:14,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 07:13:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 206 transitions. [2024-10-24 07:13:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-24 07:13:14,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:13:14,831 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:13:14,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:13:14,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:13:14,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:13:14,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1324549021, now seen corresponding path program 1 times [2024-10-24 07:13:14,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:13:14,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267349926] [2024-10-24 07:13:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:13:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:13:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:13:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:13:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:13:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:13:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:13:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:13:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:13:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:13:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:13:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:13:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:13:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:13:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:13:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:13:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:13:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:13:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:13:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:13:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:13:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:13:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:13:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:13:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:13:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:13:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:13:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:13:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:13:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:13:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:13:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:13:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:13:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:13:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:13:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:13:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:13:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:13:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 07:13:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:13:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:13:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:13:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:13:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 07:13:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:13:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:13:15,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:13:15,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267349926] [2024-10-24 07:13:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267349926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:13:15,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:13:15,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:13:15,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389996636] [2024-10-24 07:13:15,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:13:15,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:13:15,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:13:15,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:13:15,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:13:15,926 INFO L87 Difference]: Start difference. First operand 130 states and 206 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:13:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:13:16,214 INFO L93 Difference]: Finished difference Result 389 states and 617 transitions. [2024-10-24 07:13:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:13:16,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 258 [2024-10-24 07:13:16,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:13:16,219 INFO L225 Difference]: With dead ends: 389 [2024-10-24 07:13:16,219 INFO L226 Difference]: Without dead ends: 260 [2024-10-24 07:13:16,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:13:16,221 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 126 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:13:16,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 590 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:13:16,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-24 07:13:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 201. [2024-10-24 07:13:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 114 states have (on average 1.3157894736842106) internal successors, (150), 114 states have internal predecessors, (150), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 07:13:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 318 transitions. [2024-10-24 07:13:16,255 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 318 transitions. Word has length 258 [2024-10-24 07:13:16,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:13:16,255 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 318 transitions. [2024-10-24 07:13:16,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:13:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 318 transitions. [2024-10-24 07:13:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-24 07:13:16,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:13:16,259 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:13:16,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:13:16,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:13:16,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:13:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash -505329628, now seen corresponding path program 1 times [2024-10-24 07:13:16,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:13:16,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110953736] [2024-10-24 07:13:16,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:13:16,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:13:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:14:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:14:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:14:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:14:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:14:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:14:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:14:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:14:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:14:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:14:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:14:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:14:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:14:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:14:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:14:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:14:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:14:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:14:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:14:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:14:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:14:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:14:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:14:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:14:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:14:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:14:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:14:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:14:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:14:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:14:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:14:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:14:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:14:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:14:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:14:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:14:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 07:14:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:14:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:14:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:14:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:14:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 07:14:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:14:18,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:14:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110953736] [2024-10-24 07:14:18,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110953736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:14:18,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:14:18,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:14:18,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480355256] [2024-10-24 07:14:18,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:14:18,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:14:18,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:14:18,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:14:18,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:14:18,080 INFO L87 Difference]: Start difference. First operand 201 states and 318 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 07:14:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:14:20,602 INFO L93 Difference]: Finished difference Result 648 states and 1018 transitions. [2024-10-24 07:14:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 07:14:20,603 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 259 [2024-10-24 07:14:20,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:14:20,607 INFO L225 Difference]: With dead ends: 648 [2024-10-24 07:14:20,607 INFO L226 Difference]: Without dead ends: 519 [2024-10-24 07:14:20,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2024-10-24 07:14:20,609 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1342 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:14:20,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 1228 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 07:14:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-24 07:14:20,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 374. [2024-10-24 07:14:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 243 states have (on average 1.374485596707819) internal successors, (334), 244 states have internal predecessors, (334), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-24 07:14:20,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 586 transitions. [2024-10-24 07:14:20,662 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 586 transitions. Word has length 259 [2024-10-24 07:14:20,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:14:20,663 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 586 transitions. [2024-10-24 07:14:20,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 07:14:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 586 transitions. [2024-10-24 07:14:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-24 07:14:20,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:14:20,669 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:14:20,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:14:20,669 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:14:20,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:14:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2090435998, now seen corresponding path program 1 times [2024-10-24 07:14:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:14:20,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532138801] [2024-10-24 07:14:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:14:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:14:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:14:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:14:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:14:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:14:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:14:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:14:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:14:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:14:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:14:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:14:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:14:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:14:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:14:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:14:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:14:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:14:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:14:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:14:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:14:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:14:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:14:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:14:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:14:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:14:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:14:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:14:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:35,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:14:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:14:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:14:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:14:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:14:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:14:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:14:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:14:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:14:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:14:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 07:14:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:14:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:14:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:14:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:14:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 07:14:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:14:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:14:36,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:14:36,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532138801] [2024-10-24 07:14:36,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532138801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:14:36,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:14:36,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 07:14:36,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912054422] [2024-10-24 07:14:36,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:14:36,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 07:14:36,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:14:36,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 07:14:36,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-24 07:14:36,089 INFO L87 Difference]: Start difference. First operand 374 states and 586 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:14:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:14:37,340 INFO L93 Difference]: Finished difference Result 672 states and 1043 transitions. [2024-10-24 07:14:37,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 07:14:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2024-10-24 07:14:37,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:14:37,356 INFO L225 Difference]: With dead ends: 672 [2024-10-24 07:14:37,358 INFO L226 Difference]: Without dead ends: 543 [2024-10-24 07:14:37,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-10-24 07:14:37,360 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 828 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 07:14:37,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1249 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 07:14:37,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-24 07:14:37,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 374. [2024-10-24 07:14:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 243 states have (on average 1.374485596707819) internal successors, (334), 244 states have internal predecessors, (334), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-24 07:14:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 586 transitions. [2024-10-24 07:14:37,420 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 586 transitions. Word has length 259 [2024-10-24 07:14:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:14:37,422 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 586 transitions. [2024-10-24 07:14:37,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:14:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 586 transitions. [2024-10-24 07:14:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-24 07:14:37,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:14:37,427 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:14:37,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:14:37,428 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:14:37,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:14:37,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1079318748, now seen corresponding path program 1 times [2024-10-24 07:14:37,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:14:37,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420300268] [2024-10-24 07:14:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:14:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:14:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat