./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-pr-co_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-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 d7d4fb25fbc803f31b02941dc47e3673e8088bde62ceff791efc59ea770812ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:52:18,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:52:19,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:52:19,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:52:19,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:52:19,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:52:19,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:52:19,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:52:19,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:52:19,046 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:52:19,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:52:19,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:52:19,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:52:19,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:52:19,048 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:52:19,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:52:19,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:52:19,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:52:19,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:52:19,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:52:19,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:52:19,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:52:19,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:52:19,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:52:19,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:52:19,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:52:19,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:52:19,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:52:19,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:52:19,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:52:19,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:52:19,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:52:19,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:52:19,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:52:19,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:52:19,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:52:19,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:52:19,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:52:19,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:52:19,060 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:52:19,060 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:52:19,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:52:19,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7d4fb25fbc803f31b02941dc47e3673e8088bde62ceff791efc59ea770812ad [2024-10-24 07:52:19,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:52:19,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:52:19,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:52:19,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:52:19,339 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:52:19,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-24 07:52:20,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:52:20,970 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:52:20,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-24 07:52:20,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1193869a/4c3cb9b1665840c08f4cfb1971a98b37/FLAG539bc14d5 [2024-10-24 07:52:20,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1193869a/4c3cb9b1665840c08f4cfb1971a98b37 [2024-10-24 07:52:20,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:52:20,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:52:20,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:52:20,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:52:21,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:52:21,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:52:20" (1/1) ... [2024-10-24 07:52:21,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd5cc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21, skipping insertion in model container [2024-10-24 07:52:21,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:52:20" (1/1) ... [2024-10-24 07:52:21,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:52:21,210 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i[919,932] [2024-10-24 07:52:21,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:52:21,294 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:52:21,306 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i[919,932] [2024-10-24 07:52:21,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:52:21,357 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:52:21,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21 WrapperNode [2024-10-24 07:52:21,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:52:21,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:52:21,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:52:21,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:52:21,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,434 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-10-24 07:52:21,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:52:21,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:52:21,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:52:21,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:52:21,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,466 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 07:52:21,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:52:21,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:52:21,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:52:21,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:52:21,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (1/1) ... [2024-10-24 07:52:21,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:52:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:52:21,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 07:52:21,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 07:52:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:52:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:52:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:52:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:52:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:52:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:52:21,681 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:52:21,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:52:22,082 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 07:52:22,082 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:52:22,141 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:52:22,142 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:52:22,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:52:22 BoogieIcfgContainer [2024-10-24 07:52:22,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:52:22,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:52:22,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:52:22,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:52:22,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:52:20" (1/3) ... [2024-10-24 07:52:22,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22253d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:52:22, skipping insertion in model container [2024-10-24 07:52:22,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:52:21" (2/3) ... [2024-10-24 07:52:22,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22253d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:52:22, skipping insertion in model container [2024-10-24 07:52:22,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:52:22" (3/3) ... [2024-10-24 07:52:22,152 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-24 07:52:22,168 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:52:22,169 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:52:22,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:52:22,233 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;@3bcd35a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:52:22,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:52:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 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) [2024-10-24 07:52:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:22,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:22,257 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] [2024-10-24 07:52:22,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:22,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:22,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1462605999, now seen corresponding path program 1 times [2024-10-24 07:52:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:22,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287357822] [2024-10-24 07:52:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:22,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:22,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287357822] [2024-10-24 07:52:22,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287357822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:22,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:22,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:52:22,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557453958] [2024-10-24 07:52:22,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:22,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:52:22,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:22,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:52:22,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:52:22,936 INFO L87 Difference]: Start difference. First operand has 98 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 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) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-10-24 07:52:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:22,992 INFO L93 Difference]: Finished difference Result 193 states and 352 transitions. [2024-10-24 07:52:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:52:22,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:23,004 INFO L225 Difference]: With dead ends: 193 [2024-10-24 07:52:23,004 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 07:52:23,008 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 [2024-10-24 07:52:23,011 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:23,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:52:23,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 07:52:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-24 07:52:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 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) [2024-10-24 07:52:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-24 07:52:23,064 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 233 [2024-10-24 07:52:23,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:23,064 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-24 07:52:23,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-10-24 07:52:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-24 07:52:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:23,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:23,070 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] [2024-10-24 07:52:23,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:52:23,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:23,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash 770785707, now seen corresponding path program 1 times [2024-10-24 07:52:23,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:23,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673811603] [2024-10-24 07:52:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:23,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:23,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:23,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673811603] [2024-10-24 07:52:23,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673811603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:23,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:23,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:52:23,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247190248] [2024-10-24 07:52:23,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:23,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:52:23,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:23,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:52:23,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:52:23,700 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:24,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:24,072 INFO L93 Difference]: Finished difference Result 297 states and 469 transitions. [2024-10-24 07:52:24,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:52:24,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:24,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:24,080 INFO L225 Difference]: With dead ends: 297 [2024-10-24 07:52:24,080 INFO L226 Difference]: Without dead ends: 202 [2024-10-24 07:52:24,082 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 [2024-10-24 07:52:24,085 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 166 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:24,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 697 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:52:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-24 07:52:24,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 106. [2024-10-24 07:52:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 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) [2024-10-24 07:52:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 168 transitions. [2024-10-24 07:52:24,111 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 168 transitions. Word has length 233 [2024-10-24 07:52:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:24,112 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 168 transitions. [2024-10-24 07:52:24,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2024-10-24 07:52:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:24,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:24,121 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] [2024-10-24 07:52:24,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:52:24,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:24,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:24,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1450844077, now seen corresponding path program 1 times [2024-10-24 07:52:24,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:24,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685460284] [2024-10-24 07:52:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:24,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:24,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685460284] [2024-10-24 07:52:24,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685460284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:24,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:24,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:52:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731363601] [2024-10-24 07:52:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:24,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:52:24,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:24,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:52:24,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:52:24,526 INFO L87 Difference]: Start difference. First operand 106 states and 168 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:24,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:24,740 INFO L93 Difference]: Finished difference Result 307 states and 482 transitions. [2024-10-24 07:52:24,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:52:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:24,744 INFO L225 Difference]: With dead ends: 307 [2024-10-24 07:52:24,744 INFO L226 Difference]: Without dead ends: 202 [2024-10-24 07:52:24,745 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 [2024-10-24 07:52:24,746 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 155 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:24,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 881 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:52:24,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-24 07:52:24,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 106. [2024-10-24 07:52:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 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) [2024-10-24 07:52:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 168 transitions. [2024-10-24 07:52:24,769 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 168 transitions. Word has length 233 [2024-10-24 07:52:24,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:24,770 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 168 transitions. [2024-10-24 07:52:24,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2024-10-24 07:52:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:24,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:24,777 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] [2024-10-24 07:52:24,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:52:24,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:24,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:24,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1918911147, now seen corresponding path program 1 times [2024-10-24 07:52:24,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:24,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14510371] [2024-10-24 07:52:24,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:24,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:24,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:24,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14510371] [2024-10-24 07:52:24,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14510371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:24,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:24,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:52:24,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513071683] [2024-10-24 07:52:24,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:24,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:52:24,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:24,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:52:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:52:24,948 INFO L87 Difference]: Start difference. First operand 106 states and 168 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-10-24 07:52:25,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:25,001 INFO L93 Difference]: Finished difference Result 314 states and 498 transitions. [2024-10-24 07:52:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:52:25,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:25,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:25,004 INFO L225 Difference]: With dead ends: 314 [2024-10-24 07:52:25,004 INFO L226 Difference]: Without dead ends: 209 [2024-10-24 07:52:25,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:52:25,006 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 136 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:25,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 377 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:52:25,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-24 07:52:25,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 121. [2024-10-24 07:52:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 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) [2024-10-24 07:52:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-24 07:52:25,020 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-24 07:52:25,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:25,021 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-24 07:52:25,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-10-24 07:52:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-24 07:52:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:25,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:25,024 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] [2024-10-24 07:52:25,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:52:25,025 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:25,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:25,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1695997779, now seen corresponding path program 1 times [2024-10-24 07:52:25,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:25,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117870983] [2024-10-24 07:52:25,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:25,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:25,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117870983] [2024-10-24 07:52:25,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117870983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:25,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:25,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 07:52:25,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932562310] [2024-10-24 07:52:25,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:25,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 07:52:25,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:25,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 07:52:25,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 07:52:25,375 INFO L87 Difference]: Start difference. First operand 121 states and 194 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-10-24 07:52:25,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:25,721 INFO L93 Difference]: Finished difference Result 400 states and 632 transitions. [2024-10-24 07:52:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 07:52:25,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:25,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:25,724 INFO L225 Difference]: With dead ends: 400 [2024-10-24 07:52:25,724 INFO L226 Difference]: Without dead ends: 280 [2024-10-24 07:52:25,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:52:25,726 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 286 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:25,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 988 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:52:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-24 07:52:25,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 121. [2024-10-24 07:52:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 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) [2024-10-24 07:52:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-24 07:52:25,741 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-24 07:52:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:25,742 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-24 07:52:25,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-10-24 07:52:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-24 07:52:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:25,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:25,745 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] [2024-10-24 07:52:25,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:52:25,745 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:25,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:25,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1101262697, now seen corresponding path program 1 times [2024-10-24 07:52:25,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:25,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849184810] [2024-10-24 07:52:25,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:25,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:26,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:26,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849184810] [2024-10-24 07:52:26,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849184810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:26,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:26,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:52:26,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792760242] [2024-10-24 07:52:26,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:26,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:52:26,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:26,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:52:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:52:26,007 INFO L87 Difference]: Start difference. First operand 121 states and 194 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:26,225 INFO L93 Difference]: Finished difference Result 413 states and 656 transitions. [2024-10-24 07:52:26,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:52:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:26,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:26,228 INFO L225 Difference]: With dead ends: 413 [2024-10-24 07:52:26,228 INFO L226 Difference]: Without dead ends: 293 [2024-10-24 07:52:26,229 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 [2024-10-24 07:52:26,230 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 250 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:26,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 695 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:52:26,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-24 07:52:26,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 121. [2024-10-24 07:52:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 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) [2024-10-24 07:52:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-24 07:52:26,244 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-24 07:52:26,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:26,245 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-24 07:52:26,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-24 07:52:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:52:26,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:26,247 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] [2024-10-24 07:52:26,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:52:26,248 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:26,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:26,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1781321067, now seen corresponding path program 1 times [2024-10-24 07:52:26,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:26,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506679365] [2024-10-24 07:52:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:52:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:52:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:52:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:52:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:52:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:52:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:52:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:52:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:52:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:52:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:52:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:52:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:52:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:52:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:52:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:52:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:52:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:52:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:52:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:52:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:52:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:52:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:52:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:52:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:52:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:52:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:52:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:52:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:52:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:52:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:52:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:52:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:52:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:52:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:52:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:52:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:52:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:52:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:52:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:52:26,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:52:26,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506679365] [2024-10-24 07:52:26,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506679365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:52:26,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:52:26,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:52:26,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804053234] [2024-10-24 07:52:26,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:52:26,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:52:26,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:52:26,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:52:26,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:52:26,507 INFO L87 Difference]: Start difference. First operand 121 states and 194 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:26,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:52:26,721 INFO L93 Difference]: Finished difference Result 413 states and 655 transitions. [2024-10-24 07:52:26,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:52:26,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 233 [2024-10-24 07:52:26,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:52:26,724 INFO L225 Difference]: With dead ends: 413 [2024-10-24 07:52:26,724 INFO L226 Difference]: Without dead ends: 293 [2024-10-24 07:52:26,724 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 [2024-10-24 07:52:26,725 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 249 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:52:26,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 685 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:52:26,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-24 07:52:26,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 115. [2024-10-24 07:52:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 75 states have (on average 1.44) internal successors, (108), 75 states have internal predecessors, (108), 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) [2024-10-24 07:52:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 184 transitions. [2024-10-24 07:52:26,740 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 184 transitions. Word has length 233 [2024-10-24 07:52:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:52:26,741 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 184 transitions. [2024-10-24 07:52:26,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-10-24 07:52:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2024-10-24 07:52:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-24 07:52:26,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:52:26,746 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] [2024-10-24 07:52:26,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 07:52:26,746 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:52:26,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:52:26,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1598949296, now seen corresponding path program 1 times [2024-10-24 07:52:26,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:52:26,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239825361] [2024-10-24 07:52:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:52:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:52:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat