./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:07:22,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:07:22,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:07:23,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:07:23,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:07:23,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:07:23,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:07:23,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:07:23,038 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:07:23,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:07:23,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:07:23,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:07:23,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:07:23,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:07:23,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:07:23,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:07:23,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:07:23,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:07:23,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:07:23,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:07:23,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:07:23,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:07:23,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:07:23,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:07:23,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:07:23,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:07:23,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:07:23,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:07:23,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:07:23,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:07:23,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:07:23,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:07:23,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:07:23,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:07:23,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:07:23,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:07:23,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:07:23,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:07:23,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:07:23,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:07:23,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:07:23,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:07:23,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acffbf4568185b4df73fbdfca312807b0d1acfe4982bda3fcfc32319476145af [2024-11-12 03:07:23,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:07:23,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:07:23,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:07:23,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:07:23,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:07:23,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-11-12 03:07:24,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:07:25,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:07:25,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-11-12 03:07:25,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02683080/cf3e461bc66f4975aaf9709ffa645b36/FLAG9acddc6bf [2024-11-12 03:07:25,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02683080/cf3e461bc66f4975aaf9709ffa645b36 [2024-11-12 03:07:25,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:07:25,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:07:25,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:07:25,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:07:25,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:07:25,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d819b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25, skipping insertion in model container [2024-11-12 03:07:25,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:07:25,577 WARN L250 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] [2024-11-12 03:07:25,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:07:25,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:07:25,678 WARN L250 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] [2024-11-12 03:07:25,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:07:25,776 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:07:25,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25 WrapperNode [2024-11-12 03:07:25,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:07:25,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:07:25,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:07:25,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:07:25,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,851 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-11-12 03:07:25,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:07:25,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:07:25,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:07:25,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:07:25,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,910 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]. [2024-11-12 03:07:25,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:07:25,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:07:25,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:07:25,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:07:25,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (1/1) ... [2024-11-12 03:07:25,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:07:25,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:07:26,013 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) [2024-11-12 03:07:26,022 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 [2024-11-12 03:07:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:07:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:07:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:07:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:07:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:07:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:07:26,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:07:26,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:07:26,785 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-12 03:07:26,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:07:26,807 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:07:26,809 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:07:26,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:07:26 BoogieIcfgContainer [2024-11-12 03:07:26,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:07:26,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:07:26,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:07:26,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:07:26,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:07:25" (1/3) ... [2024-11-12 03:07:26,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f137219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:07:26, skipping insertion in model container [2024-11-12 03:07:26,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:07:25" (2/3) ... [2024-11-12 03:07:26,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f137219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:07:26, skipping insertion in model container [2024-11-12 03:07:26,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:07:26" (3/3) ... [2024-11-12 03:07:26,822 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-11-12 03:07:26,839 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:07:26,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:07:26,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:07:26,915 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;@224d0d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:07:26,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:07:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 93 states have (on average 1.4301075268817205) internal successors, (133), 94 states have internal predecessors, (133), 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) [2024-11-12 03:07:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-12 03:07:26,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:26,948 INFO L218 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, 1, 1, 1] [2024-11-12 03:07:26,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:26,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash -863788020, now seen corresponding path program 1 times [2024-11-12 03:07:26,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:26,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483551406] [2024-11-12 03:07:26,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:07:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:07:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:07:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:07:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:07:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:07:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:07:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:07:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:07:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:07:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:07:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:07:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:07:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:07:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:07:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:07:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:07:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:07:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:07:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:07:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:07:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:07:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:07:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:07:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:07:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 03:07:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:07:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:07:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:07:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:07:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:07:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:07:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:07:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:07:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:07:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:07:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 03:07:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:07:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:07:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:07:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:07:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:07:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:07:27,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:07:27,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483551406] [2024-11-12 03:07:27,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483551406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:07:27,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:07:27,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:07:27,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164424197] [2024-11-12 03:07:27,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:07:27,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:07:27,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:07:27,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:07:27,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:07:27,669 INFO L87 Difference]: Start difference. First operand has 138 states, 93 states have (on average 1.4301075268817205) internal successors, (133), 94 states have internal predecessors, (133), 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2024-11-12 03:07:27,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:07:27,717 INFO L93 Difference]: Finished difference Result 269 states and 470 transitions. [2024-11-12 03:07:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:07:27,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 262 [2024-11-12 03:07:27,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:07:27,729 INFO L225 Difference]: With dead ends: 269 [2024-11-12 03:07:27,729 INFO L226 Difference]: Without dead ends: 134 [2024-11-12 03:07:27,734 INFO L434 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 [2024-11-12 03:07:27,737 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:07:27,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:07:27,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-12 03:07:27,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-12 03:07:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 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) [2024-11-12 03:07:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 210 transitions. [2024-11-12 03:07:27,829 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 210 transitions. Word has length 262 [2024-11-12 03:07:27,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:07:27,830 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 210 transitions. [2024-11-12 03:07:27,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2024-11-12 03:07:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2024-11-12 03:07:27,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-12 03:07:27,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:27,837 INFO L218 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, 1, 1, 1] [2024-11-12 03:07:27,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:07:27,838 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:27,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash -798866748, now seen corresponding path program 1 times [2024-11-12 03:07:27,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:27,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861606066] [2024-11-12 03:07:27,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:27,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:07:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:07:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:07:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:07:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:07:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:07:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:07:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:07:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:07:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:07:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:07:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:07:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:07:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:07:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:07:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:07:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:07:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:07:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:07:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:07:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:07:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:07:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:07:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:07:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:07:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 03:07:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:07:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:07:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:07:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:07:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:07:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:07:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:07:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:07:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:07:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:07:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 03:07:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:07:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:07:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:07:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:07:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:07:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:07:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:07:28,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:07:28,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861606066] [2024-11-12 03:07:28,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861606066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:07:28,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:07:28,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:07:28,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297307555] [2024-11-12 03:07:28,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:07:28,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:07:28,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:07:28,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:07:28,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:07:28,824 INFO L87 Difference]: Start difference. First operand 134 states and 210 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-12 03:07:29,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:07:29,151 INFO L93 Difference]: Finished difference Result 397 states and 625 transitions. [2024-11-12 03:07:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:07:29,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 262 [2024-11-12 03:07:29,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:07:29,157 INFO L225 Difference]: With dead ends: 397 [2024-11-12 03:07:29,157 INFO L226 Difference]: Without dead ends: 266 [2024-11-12 03:07:29,158 INFO L434 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 [2024-11-12 03:07:29,159 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 130 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:07:29,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 601 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:07:29,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-12 03:07:29,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 206. [2024-11-12 03:07:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 119 states have internal predecessors, (155), 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) [2024-11-12 03:07:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 323 transitions. [2024-11-12 03:07:29,200 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 323 transitions. Word has length 262 [2024-11-12 03:07:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:07:29,202 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 323 transitions. [2024-11-12 03:07:29,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-12 03:07:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 323 transitions. [2024-11-12 03:07:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-12 03:07:29,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:07:29,207 INFO L218 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, 1, 1, 1, 1] [2024-11-12 03:07:29,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:07:29,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:07:29,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:07:29,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1039366279, now seen corresponding path program 1 times [2024-11-12 03:07:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:07:29,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902495013] [2024-11-12 03:07:29,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:07:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:07:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:08:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:08:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:08:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:08:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:08:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:08:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:08:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:08:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:08:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:08:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:08:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:08:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:08:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:08:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:08:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:08:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:08:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:08:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:08:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:08:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:08:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:08:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:08:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:08:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:08:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 03:08:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:08:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:08:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:08:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:08:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:08:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:08:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:08:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:08:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:08:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:08:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 03:08:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:08:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:08:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:08:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:08:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:08:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:08:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-12 03:08:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:08:25,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902495013] [2024-11-12 03:08:25,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902495013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:08:25,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:08:25,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 03:08:25,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792798678] [2024-11-12 03:08:25,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:08:25,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 03:08:25,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:08:25,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 03:08:25,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-12 03:08:25,165 INFO L87 Difference]: Start difference. First operand 206 states and 323 transitions. Second operand has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 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) [2024-11-12 03:08:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:08:29,876 INFO L93 Difference]: Finished difference Result 705 states and 1095 transitions. [2024-11-12 03:08:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 03:08:29,877 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 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 263 [2024-11-12 03:08:29,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:08:29,887 INFO L225 Difference]: With dead ends: 705 [2024-11-12 03:08:29,887 INFO L226 Difference]: Without dead ends: 574 [2024-11-12 03:08:29,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 03:08:29,890 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 1271 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:08:29,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 1506 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 03:08:29,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-12 03:08:29,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 312. [2024-11-12 03:08:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 224 states have (on average 1.4017857142857142) internal successors, (314), 224 states have internal predecessors, (314), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 03:08:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 482 transitions. [2024-11-12 03:08:29,952 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 482 transitions. Word has length 263 [2024-11-12 03:08:29,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:08:29,955 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 482 transitions. [2024-11-12 03:08:29,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 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) [2024-11-12 03:08:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 482 transitions. [2024-11-12 03:08:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-12 03:08:29,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:08:29,961 INFO L218 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, 1, 1, 1, 1] [2024-11-12 03:08:29,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:08:29,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:08:29,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:08:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -854290935, now seen corresponding path program 1 times [2024-11-12 03:08:29,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:08:29,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584658960] [2024-11-12 03:08:29,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:08:29,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:08:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat