./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-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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-45.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 2db33e14cce996f3ff7abd9391c3db4ba409c9c54c5b298c8b705984adf93aa7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:24:57,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:24:57,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:24:57,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:24:57,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:24:57,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:24:57,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:24:57,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:24:57,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:24:57,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:24:57,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:24:57,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:24:57,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:24:57,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:24:57,870 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:24:57,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:24:57,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:24:57,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:24:57,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:24:57,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:24:57,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:24:57,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:24:57,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:24:57,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:24:57,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:24:57,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:24:57,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:24:57,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:24:57,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:24:57,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:24:57,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:24:57,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:24:57,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:24:57,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:24:57,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:24:57,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:24:57,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:24:57,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:24:57,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:24:57,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:24:57,880 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:24:57,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:24:57,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db33e14cce996f3ff7abd9391c3db4ba409c9c54c5b298c8b705984adf93aa7 [2024-11-20 04:24:58,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:24:58,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:24:58,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:24:58,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:24:58,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:24:58,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-45.i [2024-11-20 04:24:59,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:24:59,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:24:59,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-45.i [2024-11-20 04:24:59,925 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1efb7733/152b9b10e96a495395b4eaa61afaca9d/FLAGb943cfaf6 [2024-11-20 04:24:59,941 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1efb7733/152b9b10e96a495395b4eaa61afaca9d [2024-11-20 04:24:59,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:24:59,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:24:59,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:24:59,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:24:59,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:24:59,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:24:59" (1/1) ... [2024-11-20 04:24:59,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c07463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:24:59, skipping insertion in model container [2024-11-20 04:24:59,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:24:59" (1/1) ... [2024-11-20 04:24:59,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:25:00,196 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-45.i[919,932] [2024-11-20 04:25:00,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:25:00,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:25:00,332 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-45.i[919,932] [2024-11-20 04:25:00,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:25:00,414 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:25:00,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00 WrapperNode [2024-11-20 04:25:00,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:25:00,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:25:00,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:25:00,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:25:00,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,480 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-11-20 04:25:00,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:25:00,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:25:00,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:25:00,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:25:00,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,523 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]. [2024-11-20 04:25:00,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:25:00,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:25:00,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:25:00,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:25:00,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (1/1) ... [2024-11-20 04:25:00,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:25:00,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:25:00,605 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) [2024-11-20 04:25:00,609 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 [2024-11-20 04:25:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:25:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:25:00,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:25:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:25:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:25:00,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:25:00,767 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:25:00,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:25:01,213 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 04:25:01,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:25:01,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:25:01,233 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:25:01,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:25:01 BoogieIcfgContainer [2024-11-20 04:25:01,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:25:01,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:25:01,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:25:01,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:25:01,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:24:59" (1/3) ... [2024-11-20 04:25:01,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e885dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:25:01, skipping insertion in model container [2024-11-20 04:25:01,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:25:00" (2/3) ... [2024-11-20 04:25:01,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e885dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:25:01, skipping insertion in model container [2024-11-20 04:25:01,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:25:01" (3/3) ... [2024-11-20 04:25:01,245 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-45.i [2024-11-20 04:25:01,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:25:01,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:25:01,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:25:01,344 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;@7156a2ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:25:01,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:25:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 04:25:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-20 04:25:01,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:25:01,371 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:25:01,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:25:01,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:25:01,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1319570276, now seen corresponding path program 1 times [2024-11-20 04:25:01,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:25:01,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156564416] [2024-11-20 04:25:01,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:25:01,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:25:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:25:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:25:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:25:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:25:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:25:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:25:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:25:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:25:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:25:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:25:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:25:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:25:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:25:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:25:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:25:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:25:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:25:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:25:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:25:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:25:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 04:25:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 04:25:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:25:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:25:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:25:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:25:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:25:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:25:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:25:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:25:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:25:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:25:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:25:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:25:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:25:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-20 04:25:02,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:25:02,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156564416] [2024-11-20 04:25:02,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156564416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:25:02,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:25:02,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:25:02,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237909992] [2024-11-20 04:25:02,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:25:02,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:25:02,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:25:02,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:25:02,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:25:02,159 INFO L87 Difference]: Start difference. First operand has 98 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-20 04:25:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:25:02,195 INFO L93 Difference]: Finished difference Result 189 states and 337 transitions. [2024-11-20 04:25:02,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:25:02,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 222 [2024-11-20 04:25:02,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:25:02,205 INFO L225 Difference]: With dead ends: 189 [2024-11-20 04:25:02,205 INFO L226 Difference]: Without dead ends: 94 [2024-11-20 04:25:02,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:25:02,214 INFO L432 NwaCegarLoop]: 146 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, 146 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 [2024-11-20 04:25:02,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:25:02,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-20 04:25:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-20 04:25:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 57 states have internal predecessors, (76), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 04:25:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2024-11-20 04:25:02,286 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 222 [2024-11-20 04:25:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:25:02,287 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2024-11-20 04:25:02,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-20 04:25:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2024-11-20 04:25:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-20 04:25:02,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:25:02,293 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:25:02,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:25:02,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:25:02,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:25:02,296 INFO L85 PathProgramCache]: Analyzing trace with hash -594497050, now seen corresponding path program 1 times [2024-11-20 04:25:02,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:25:02,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056672666] [2024-11-20 04:25:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:25:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:25:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:25:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:25:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:25:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:25:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:25:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:25:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:25:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:25:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:25:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:25:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:25:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:25:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:25:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:25:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:25:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:25:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:25:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:25:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:25:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:25:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 04:25:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 04:25:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 04:25:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 04:25:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 04:25:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:25:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 04:25:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:25:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:25:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:25:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:25:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:25:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:25:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:25:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:25:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:25:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-20 04:25:02,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:25:02,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056672666] [2024-11-20 04:25:02,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056672666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:25:02,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:25:02,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:25:02,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783576684] [2024-11-20 04:25:02,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:25:02,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:25:02,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:25:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:25:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:25:02,731 INFO L87 Difference]: Start difference. First operand 94 states and 146 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-20 04:25:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:25:02,856 INFO L93 Difference]: Finished difference Result 271 states and 422 transitions. [2024-11-20 04:25:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:25:02,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-11-20 04:25:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:25:02,863 INFO L225 Difference]: With dead ends: 271 [2024-11-20 04:25:02,863 INFO L226 Difference]: Without dead ends: 180 [2024-11-20 04:25:02,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:25:02,866 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 131 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:25:02,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 282 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:25:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-20 04:25:02,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178. [2024-11-20 04:25:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 105 states have (on average 1.2666666666666666) internal successors, (133), 105 states have internal predecessors, (133), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-20 04:25:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 273 transitions. [2024-11-20 04:25:02,905 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 273 transitions. Word has length 222 [2024-11-20 04:25:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:25:02,909 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 273 transitions. [2024-11-20 04:25:02,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-20 04:25:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 273 transitions. [2024-11-20 04:25:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-20 04:25:02,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:25:02,918 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:25:02,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:25:02,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:25:02,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:25:02,919 INFO L85 PathProgramCache]: Analyzing trace with hash -825783837, now seen corresponding path program 1 times [2024-11-20 04:25:02,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:25:02,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702429885] [2024-11-20 04:25:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:25:02,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:25:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat