./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-64.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-64.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 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:27:27,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:27:27,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:27:27,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:27:27,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:27:27,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:27:27,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:27:27,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:27:27,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:27:27,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:27:27,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:27:27,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:27:27,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:27:27,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:27:27,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:27:27,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:27:27,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:27:27,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:27:27,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:27:27,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:27:27,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:27:27,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:27:27,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:27:27,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:27:27,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:27:27,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:27:27,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:27:27,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:27:27,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:27:27,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:27:27,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:27:27,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:27:27,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:27:27,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:27:27,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:27:27,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:27:27,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:27:27,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:27:27,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:27:27,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:27:27,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:27:27,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:27:27,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 [2024-11-20 04:27:28,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:27:28,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:27:28,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:27:28,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:27:28,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:27:28,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-11-20 04:27:29,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:27:30,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:27:30,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-11-20 04:27:30,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd46de982/729ea5ef13144b0484c91aa7212f452b/FLAG1ba10f740 [2024-11-20 04:27:30,043 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd46de982/729ea5ef13144b0484c91aa7212f452b [2024-11-20 04:27:30,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:27:30,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:27:30,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:27:30,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:27:30,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:27:30,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e202b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30, skipping insertion in model container [2024-11-20 04:27:30,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:27:30,292 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-64.i[919,932] [2024-11-20 04:27:30,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:27:30,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:27:30,422 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-64.i[919,932] [2024-11-20 04:27:30,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:27:30,493 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:27:30,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30 WrapperNode [2024-11-20 04:27:30,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:27:30,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:27:30,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:27:30,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:27:30,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,564 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-11-20 04:27:30,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:27:30,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:27:30,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:27:30,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:27:30,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,601 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 04:27:30,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:27:30,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:27:30,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:27:30,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:27:30,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (1/1) ... [2024-11-20 04:27:30,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:27:30,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:27:30,670 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 04:27:30,673 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 04:27:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:27:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:27:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:27:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:27:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:27:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:27:30,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:27:30,826 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:27:31,330 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-20 04:27:31,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:27:31,355 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:27:31,356 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:27:31,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:31 BoogieIcfgContainer [2024-11-20 04:27:31,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:27:31,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:27:31,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:27:31,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:27:31,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:27:30" (1/3) ... [2024-11-20 04:27:31,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f70e546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:27:31, skipping insertion in model container [2024-11-20 04:27:31,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:30" (2/3) ... [2024-11-20 04:27:31,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f70e546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:27:31, skipping insertion in model container [2024-11-20 04:27:31,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:31" (3/3) ... [2024-11-20 04:27:31,364 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-11-20 04:27:31,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:27:31,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:27:31,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:27:31,461 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;@5e8756f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:27:31,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:27:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 64 states have (on average 1.390625) internal successors, (89), 65 states have internal predecessors, (89), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:27:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-20 04:27:31,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:27:31,486 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:31,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:27:31,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:27:31,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1835087421, now seen corresponding path program 1 times [2024-11-20 04:27:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:27:31,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001942401] [2024-11-20 04:27:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:27:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:27:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:27:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:27:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:27:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:27:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:27:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:27:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:27:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:27:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:27:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:27:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:27:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:27:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:27:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:27:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:27:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:27:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:27:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:31,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:27:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:27:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:27:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:27:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:27:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:27:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:27:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:27:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:27:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:27:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:27:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:27:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 04:27:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 04:27:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 04:27:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-20 04:27:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:27:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:27:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:27:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:27:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:27:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:27:32,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:27:32,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001942401] [2024-11-20 04:27:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001942401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:27:32,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:27:32,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:27:32,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213519773] [2024-11-20 04:27:32,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:27:32,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:27:32,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:27:32,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:27:32,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:27:32,214 INFO L87 Difference]: Start difference. First operand has 105 states, 64 states have (on average 1.390625) internal successors, (89), 65 states have internal predecessors, (89), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-20 04:27:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:27:32,259 INFO L93 Difference]: Finished difference Result 203 states and 362 transitions. [2024-11-20 04:27:32,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:27:32,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 238 [2024-11-20 04:27:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:27:32,270 INFO L225 Difference]: With dead ends: 203 [2024-11-20 04:27:32,270 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 04:27:32,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 04:27:32,278 INFO L432 NwaCegarLoop]: 158 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, 158 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 04:27:32,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:27:32,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 04:27:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-20 04:27:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:27:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-20 04:27:32,337 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 238 [2024-11-20 04:27:32,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:27:32,338 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-20 04:27:32,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-20 04:27:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-20 04:27:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-20 04:27:32,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:27:32,347 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:32,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:27:32,348 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:27:32,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:27:32,349 INFO L85 PathProgramCache]: Analyzing trace with hash -954457153, now seen corresponding path program 1 times [2024-11-20 04:27:32,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:27:32,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172638671] [2024-11-20 04:27:32,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:27:32,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:27:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:27:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:27:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:27:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:27:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:27:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:27:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:27:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:27:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:27:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:27:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:27:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:27:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:27:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:27:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:27:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:27:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:27:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:27:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:27:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:27:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:27:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:27:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:27:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:27:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:27:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:27:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:27:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:27:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:27:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 04:27:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 04:27:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 04:27:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-20 04:27:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:27:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:27:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:27:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:27:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:27:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:27:33,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:27:33,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172638671] [2024-11-20 04:27:33,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172638671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:27:33,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:27:33,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:27:33,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131440205] [2024-11-20 04:27:33,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:27:33,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:27:33,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:27:33,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:27:33,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:27:33,161 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:33,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:27:33,534 INFO L93 Difference]: Finished difference Result 380 states and 595 transitions. [2024-11-20 04:27:33,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:27:33,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-20 04:27:33,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:27:33,544 INFO L225 Difference]: With dead ends: 380 [2024-11-20 04:27:33,545 INFO L226 Difference]: Without dead ends: 282 [2024-11-20 04:27:33,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:27:33,550 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 271 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:27:33,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 672 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:27:33,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-20 04:27:33,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 116. [2024-11-20 04:27:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:27:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 182 transitions. [2024-11-20 04:27:33,580 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 182 transitions. Word has length 238 [2024-11-20 04:27:33,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:27:33,583 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 182 transitions. [2024-11-20 04:27:33,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2024-11-20 04:27:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-20 04:27:33,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:27:33,587 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:33,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:27:33,588 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:27:33,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:27:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1975525507, now seen corresponding path program 1 times [2024-11-20 04:27:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:27:33,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508189438] [2024-11-20 04:27:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:27:33,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:27:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:27:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:27:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:27:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:27:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:27:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:27:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:27:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:27:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:27:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:27:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:27:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:27:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:27:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:27:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:27:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:27:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:27:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:27:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:27:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:27:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:27:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:27:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:27:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:27:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:27:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:27:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:27:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:27:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:27:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 04:27:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 04:27:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 04:27:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-20 04:27:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:27:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:27:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:27:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:27:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:27:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:27:33,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:27:33,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508189438] [2024-11-20 04:27:33,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508189438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:27:33,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:27:33,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:27:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748787204] [2024-11-20 04:27:33,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:27:33,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:27:33,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:27:33,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:27:33,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:27:34,000 INFO L87 Difference]: Start difference. First operand 116 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:27:34,266 INFO L93 Difference]: Finished difference Result 395 states and 617 transitions. [2024-11-20 04:27:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:27:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-20 04:27:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:27:34,274 INFO L225 Difference]: With dead ends: 395 [2024-11-20 04:27:34,276 INFO L226 Difference]: Without dead ends: 282 [2024-11-20 04:27:34,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:27:34,279 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 270 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:27:34,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 730 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:27:34,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-20 04:27:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 123. [2024-11-20 04:27:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:27:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 195 transitions. [2024-11-20 04:27:34,337 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 195 transitions. Word has length 238 [2024-11-20 04:27:34,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:27:34,338 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 195 transitions. [2024-11-20 04:27:34,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2024-11-20 04:27:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-20 04:27:34,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:27:34,342 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:34,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:27:34,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:27:34,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:27:34,343 INFO L85 PathProgramCache]: Analyzing trace with hash 893273279, now seen corresponding path program 1 times [2024-11-20 04:27:34,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:27:34,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067859634] [2024-11-20 04:27:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:27:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:27:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:27:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:27:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:27:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:27:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:27:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:27:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:27:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:27:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:27:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:27:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:27:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:27:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:27:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:27:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:27:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:27:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:27:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:27:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:27:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:27:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:27:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:27:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:27:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:27:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:27:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:27:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:27:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:27:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:27:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 04:27:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 04:27:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 04:27:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-20 04:27:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:27:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:27:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:27:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:27:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:27:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:27:34,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:27:34,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067859634] [2024-11-20 04:27:34,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067859634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:27:34,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:27:34,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:27:34,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761796122] [2024-11-20 04:27:34,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:27:34,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:27:34,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:27:34,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:27:34,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:27:34,781 INFO L87 Difference]: Start difference. First operand 123 states and 195 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:27:35,118 INFO L93 Difference]: Finished difference Result 346 states and 543 transitions. [2024-11-20 04:27:35,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:27:35,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-20 04:27:35,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:27:35,124 INFO L225 Difference]: With dead ends: 346 [2024-11-20 04:27:35,124 INFO L226 Difference]: Without dead ends: 226 [2024-11-20 04:27:35,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:27:35,129 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 190 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:27:35,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 741 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:27:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-20 04:27:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 123. [2024-11-20 04:27:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:27:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 195 transitions. [2024-11-20 04:27:35,153 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 195 transitions. Word has length 238 [2024-11-20 04:27:35,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:27:35,154 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 195 transitions. [2024-11-20 04:27:35,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2024-11-20 04:27:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-20 04:27:35,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:27:35,159 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:35,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:27:35,160 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:27:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:27:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -127795075, now seen corresponding path program 1 times [2024-11-20 04:27:35,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:27:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671434362] [2024-11-20 04:27:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:27:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:27:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:27:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:27:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:27:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:27:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:27:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:27:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:27:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:27:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:27:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:27:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:27:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:27:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:27:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:27:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:27:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:27:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:27:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:27:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:27:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:27:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:27:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:27:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:27:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:27:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:27:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:27:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:27:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:27:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:27:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 04:27:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 04:27:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 04:27:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-20 04:27:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:27:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:27:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:27:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:27:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:27:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:27:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:27:35,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:27:35,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671434362] [2024-11-20 04:27:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671434362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:27:35,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:27:35,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:27:35,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248125100] [2024-11-20 04:27:35,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:27:35,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:27:35,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:27:35,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:27:35,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:27:35,540 INFO L87 Difference]: Start difference. First operand 123 states and 195 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:27:35,757 INFO L93 Difference]: Finished difference Result 346 states and 542 transitions. [2024-11-20 04:27:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:27:35,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-20 04:27:35,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:27:35,761 INFO L225 Difference]: With dead ends: 346 [2024-11-20 04:27:35,762 INFO L226 Difference]: Without dead ends: 226 [2024-11-20 04:27:35,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:27:35,764 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 169 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:27:35,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 824 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:27:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-20 04:27:35,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 108. [2024-11-20 04:27:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:27:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2024-11-20 04:27:35,787 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 238 [2024-11-20 04:27:35,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:27:35,788 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2024-11-20 04:27:35,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:27:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2024-11-20 04:27:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-20 04:27:35,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:27:35,794 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:35,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:27:35,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:27:35,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:27:35,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1341224474, now seen corresponding path program 1 times [2024-11-20 04:27:35,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:27:35,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304394444] [2024-11-20 04:27:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:27:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:27:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat