./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:19:47,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:19:48,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:19:48,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:19:48,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:19:48,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:19:48,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:19:48,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:19:48,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:19:48,056 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:19:48,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:19:48,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:19:48,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:19:48,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:19:48,058 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:19:48,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:19:48,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:19:48,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:19:48,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:19:48,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:19:48,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:19:48,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:19:48,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:19:48,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:19:48,060 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:19:48,060 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:19:48,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:19:48,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:19:48,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:19:48,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:19:48,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:19:48,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:19:48,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:19:48,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:19:48,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:19:48,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:19:48,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:19:48,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:19:48,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:19:48,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:19:48,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:19:48,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:19:48,066 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 [2024-10-24 07:19:48,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:19:48,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:19:48,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:19:48,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:19:48,254 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:19:48,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-10-24 07:19:49,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:19:49,603 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:19:49,604 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-10-24 07:19:49,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c67fa80/e843e3d729a44d94bf68f543e4caa2ec/FLAG48d300f6c [2024-10-24 07:19:50,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c67fa80/e843e3d729a44d94bf68f543e4caa2ec [2024-10-24 07:19:50,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:19:50,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:19:50,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:19:50,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:19:50,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:19:50,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1f0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50, skipping insertion in model container [2024-10-24 07:19:50,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:19:50,191 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i[919,932] [2024-10-24 07:19:50,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:19:50,253 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:19:50,261 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i[919,932] [2024-10-24 07:19:50,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:19:50,301 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:19:50,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50 WrapperNode [2024-10-24 07:19:50,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:19:50,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:19:50,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:19:50,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:19:50,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,338 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-10-24 07:19:50,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:19:50,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:19:50,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:19:50,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:19:50,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,365 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 07:19:50,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:19:50,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:19:50,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:19:50,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:19:50,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (1/1) ... [2024-10-24 07:19:50,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:19:50,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:19:50,423 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 07:19:50,432 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 07:19:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:19:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:19:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:19:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:19:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:19:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:19:50,538 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:19:50,540 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:19:50,831 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 07:19:50,831 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:19:50,867 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:19:50,869 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:19:50,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:19:50 BoogieIcfgContainer [2024-10-24 07:19:50,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:19:50,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:19:50,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:19:50,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:19:50,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:19:50" (1/3) ... [2024-10-24 07:19:50,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5756e981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:19:50, skipping insertion in model container [2024-10-24 07:19:50,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:19:50" (2/3) ... [2024-10-24 07:19:50,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5756e981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:19:50, skipping insertion in model container [2024-10-24 07:19:50,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:19:50" (3/3) ... [2024-10-24 07:19:50,877 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-10-24 07:19:50,888 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:19:50,889 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:19:50,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:19:50,940 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;@4fb1be5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:19:50,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:19:50,944 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 07:19:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:19:50,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:19:50,959 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 07:19:50,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:19:50,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:19:50,963 INFO L85 PathProgramCache]: Analyzing trace with hash -970457214, now seen corresponding path program 1 times [2024-10-24 07:19:50,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:19:50,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030377499] [2024-10-24 07:19:50,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:19:50,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:19:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:19:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:19:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:19:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:19:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:19:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:19:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:19:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:19:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:19:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:19:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:19:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:19:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:19:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:19:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:19:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:19:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:19:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:19:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:19:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:19:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:19:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:19:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:19:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:19:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:19:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:19:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:19:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:19:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:19:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:19:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:19:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:19:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:19:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:19:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:19:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:19:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:19:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:19:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:51,434 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 07:19:51,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:19:51,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030377499] [2024-10-24 07:19:51,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030377499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:19:51,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:19:51,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:19:51,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510364022] [2024-10-24 07:19:51,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:19:51,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:19:51,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:19:51,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:19:51,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:19:51,460 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 07:19:51,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:19:51,497 INFO L93 Difference]: Finished difference Result 193 states and 352 transitions. [2024-10-24 07:19:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:19:51,500 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 07:19:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:19:51,506 INFO L225 Difference]: With dead ends: 193 [2024-10-24 07:19:51,506 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 07:19:51,509 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 07:19:51,511 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 07:19:51,512 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 07:19:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 07:19:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-24 07:19:51,550 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 07:19:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-24 07:19:51,554 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 233 [2024-10-24 07:19:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:19:51,554 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-24 07:19:51,554 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 07:19:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-24 07:19:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:19:51,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:19:51,558 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 07:19:51,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:19:51,559 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:19:51,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:19:51,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1662277506, now seen corresponding path program 1 times [2024-10-24 07:19:51,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:19:51,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388692331] [2024-10-24 07:19:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:19:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:19:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:19:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:19:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:19:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:19:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:19:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:19:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:19:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:19:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:19:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:19:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:19:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:19:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:19:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:19:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:19:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:19:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:19:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:19:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:19:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:19:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:19:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:19:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:19:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:19:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:19:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:19:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:19:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:19:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:19:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:19:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:19:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:19:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:19:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:19:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:19:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:19:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:19:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:19:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,171 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 07:19:54,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:19:54,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388692331] [2024-10-24 07:19:54,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388692331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:19:54,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:19:54,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:19:54,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532228900] [2024-10-24 07:19:54,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:19:54,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:19:54,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:19:54,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:19:54,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:19:54,176 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 07:19:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:19:54,660 INFO L93 Difference]: Finished difference Result 344 states and 547 transitions. [2024-10-24 07:19:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:19:54,660 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 07:19:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:19:54,664 INFO L225 Difference]: With dead ends: 344 [2024-10-24 07:19:54,665 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 07:19:54,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:19:54,668 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 189 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 07:19:54,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 647 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 07:19:54,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 07:19:54,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 110. [2024-10-24 07:19:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 70 states have internal predecessors, (101), 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 07:19:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 177 transitions. [2024-10-24 07:19:54,689 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 177 transitions. Word has length 233 [2024-10-24 07:19:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:19:54,690 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 177 transitions. [2024-10-24 07:19:54,691 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 07:19:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2024-10-24 07:19:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:19:54,693 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:19:54,693 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 07:19:54,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:19:54,694 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:19:54,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:19:54,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1088288386, now seen corresponding path program 1 times [2024-10-24 07:19:54,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:19:54,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053801090] [2024-10-24 07:19:54,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:19:54,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:19:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:19:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:19:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:19:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:19:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:19:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:19:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:19:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:19:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:19:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:19:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:19:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:19:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:19:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:19:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:19:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:19:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:19:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:19:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:19:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:19:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:19:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:19:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:19:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:19:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:19:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:19:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:19:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:19:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:19:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:19:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:19:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:19:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:19:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:19:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:19:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:19:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:19:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:19:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:54,963 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 07:19:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:19:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053801090] [2024-10-24 07:19:54,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053801090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:19:54,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:19:54,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:19:54,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230965863] [2024-10-24 07:19:54,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:19:54,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:19:54,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:19:54,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:19:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:19:54,967 INFO L87 Difference]: Start difference. First operand 110 states and 177 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 07:19:55,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:19:55,229 INFO L93 Difference]: Finished difference Result 318 states and 505 transitions. [2024-10-24 07:19:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:19:55,230 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 07:19:55,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:19:55,232 INFO L225 Difference]: With dead ends: 318 [2024-10-24 07:19:55,232 INFO L226 Difference]: Without dead ends: 209 [2024-10-24 07:19:55,233 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 07:19:55,234 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 166 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:19:55,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 827 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:19:55,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-24 07:19:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 110. [2024-10-24 07:19:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 70 states have internal predecessors, (101), 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 07:19:55,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 177 transitions. [2024-10-24 07:19:55,245 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 177 transitions. Word has length 233 [2024-10-24 07:19:55,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:19:55,245 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 177 transitions. [2024-10-24 07:19:55,245 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 07:19:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2024-10-24 07:19:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-24 07:19:55,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:19:55,248 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 07:19:55,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:19:55,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:19:55,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:19:55,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2099405636, now seen corresponding path program 1 times [2024-10-24 07:19:55,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:19:55,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437307954] [2024-10-24 07:19:55,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:19:55,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:19:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:19:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:19:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:19:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:19:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:19:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:19:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:19:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:19:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:19:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:19:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:19:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:19:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:19:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:19:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:19:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:19:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:19:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:19:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:19:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:19:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:19:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:19:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:19:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:19:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:19:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:19:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:19:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:19:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:19:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:19:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 07:19:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:19:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:19:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:19:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 07:19:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 07:19:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 07:19:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 07:19:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:19:57,860 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 07:19:57,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:19:57,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437307954] [2024-10-24 07:19:57,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437307954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:19:57,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:19:57,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:19:57,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332057713] [2024-10-24 07:19:57,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:19:57,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:19:57,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:19:57,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:19:57,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:19:57,863 INFO L87 Difference]: Start difference. First operand 110 states and 177 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 07:19:58,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:19:58,122 INFO L93 Difference]: Finished difference Result 313 states and 496 transitions. [2024-10-24 07:19:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:19:58,122 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 07:19:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:19:58,127 INFO L225 Difference]: With dead ends: 313 [2024-10-24 07:19:58,127 INFO L226 Difference]: Without dead ends: 204 [2024-10-24 07:19:58,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 07:19:58,129 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 157 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:19:58,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 647 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:19:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-24 07:19:58,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 96. [2024-10-24 07:19:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 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 07:19:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 152 transitions. [2024-10-24 07:19:58,146 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 152 transitions. Word has length 233 [2024-10-24 07:19:58,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:19:58,148 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 152 transitions. [2024-10-24 07:19:58,148 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 07:19:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 152 transitions. [2024-10-24 07:19:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-24 07:19:58,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:19:58,151 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 07:19:58,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:19:58,152 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:19:58,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:19:58,152 INFO L85 PathProgramCache]: Analyzing trace with hash -112589373, now seen corresponding path program 1 times [2024-10-24 07:19:58,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:19:58,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856335880] [2024-10-24 07:19:58,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:19:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:19:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat