./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-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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-cn_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bcbe3dc24022b24f123b951a18829c99d17fb6c84443031a1458b3b1b90464fa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:48:24,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:48:24,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:48:24,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:48:24,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:48:24,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:48:24,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:48:24,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:48:24,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:48:24,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:48:24,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:48:24,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:48:24,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:48:24,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:48:24,318 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:48:24,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:48:24,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:48:24,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:48:24,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:48:24,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:48:24,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:48:24,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:48:24,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:48:24,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:48:24,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:48:24,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:48:24,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:48:24,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:48:24,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:48:24,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:48:24,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:48:24,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:48:24,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:48:24,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:48:24,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:48:24,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:48:24,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:48:24,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:48:24,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:48:24,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:48:24,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:48:24,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:48:24,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbe3dc24022b24f123b951a18829c99d17fb6c84443031a1458b3b1b90464fa [2024-10-14 09:48:24,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:48:24,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:48:24,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:48:24,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:48:24,652 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:48:24,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-10-14 09:48:26,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:48:26,371 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:48:26,373 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-10-14 09:48:26,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8603c86c3/e8e477812e4a4e218a32a4f541f022dd/FLAG9a9a45fca [2024-10-14 09:48:26,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8603c86c3/e8e477812e4a4e218a32a4f541f022dd [2024-10-14 09:48:26,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:48:26,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:48:26,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:48:26,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:48:26,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:48:26,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:48:26" (1/1) ... [2024-10-14 09:48:26,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a42921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:26, skipping insertion in model container [2024-10-14 09:48:26,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:48:26" (1/1) ... [2024-10-14 09:48:26,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:48:26,944 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-cn_file-45.i[919,932] [2024-10-14 09:48:27,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:48:27,082 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:48:27,102 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-cn_file-45.i[919,932] [2024-10-14 09:48:27,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:48:27,184 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:48:27,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27 WrapperNode [2024-10-14 09:48:27,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:48:27,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:48:27,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:48:27,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:48:27,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,249 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-10-14 09:48:27,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:48:27,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:48:27,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:48:27,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:48:27,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,281 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]. [2024-10-14 09:48:27,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:48:27,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:48:27,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:48:27,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:48:27,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (1/1) ... [2024-10-14 09:48:27,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:48:27,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:48:27,351 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) [2024-10-14 09:48:27,357 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 [2024-10-14 09:48:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:48:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:48:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:48:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:48:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:48:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:48:27,513 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:48:27,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:48:27,917 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-14 09:48:27,917 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:48:27,961 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:48:27,961 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:48:27,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:48:27 BoogieIcfgContainer [2024-10-14 09:48:27,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:48:27,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:48:27,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:48:27,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:48:27,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:48:26" (1/3) ... [2024-10-14 09:48:27,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f77dcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:48:27, skipping insertion in model container [2024-10-14 09:48:27,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:48:27" (2/3) ... [2024-10-14 09:48:27,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f77dcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:48:27, skipping insertion in model container [2024-10-14 09:48:27,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:48:27" (3/3) ... [2024-10-14 09:48:27,972 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-10-14 09:48:27,988 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:48:27,988 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:48:28,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:48:28,057 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;@7e0eb0b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:48:28,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:48:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-14 09:48:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-14 09:48:28,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:48:28,075 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:48:28,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:48:28,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:48:28,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1193448130, now seen corresponding path program 1 times [2024-10-14 09:48:28,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:48:28,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735178945] [2024-10-14 09:48:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:48:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:48:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:48:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:48:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:48:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:48:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:48:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:48:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:48:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:48:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:48:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:48:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:48:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:48:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:48:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:48:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:48:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:48:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:48:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:48:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:48:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:48:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:48:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:48:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:48:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:48:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:48:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:48:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:48:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:48:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:48:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:48:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:48:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:48:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:48:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:48:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:48:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:48:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 09:48:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 09:48:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 09:48:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 09:48:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 09:48:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 09:48:28,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:48:28,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735178945] [2024-10-14 09:48:28,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735178945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:48:28,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:48:28,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:48:28,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269912533] [2024-10-14 09:48:28,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:48:28,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:48:28,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:48:29,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:48:29,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:48:29,012 INFO L87 Difference]: Start difference. First operand has 100 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:29,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:48:29,118 INFO L93 Difference]: Finished difference Result 250 states and 466 transitions. [2024-10-14 09:48:29,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:48:29,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 250 [2024-10-14 09:48:29,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:48:29,136 INFO L225 Difference]: With dead ends: 250 [2024-10-14 09:48:29,137 INFO L226 Difference]: Without dead ends: 151 [2024-10-14 09:48:29,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:48:29,149 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 76 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:48:29,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 341 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:48:29,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-14 09:48:29,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2024-10-14 09:48:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 89 states have internal predecessors, (122), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 09:48:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 236 transitions. [2024-10-14 09:48:29,233 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 236 transitions. Word has length 250 [2024-10-14 09:48:29,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:48:29,235 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 236 transitions. [2024-10-14 09:48:29,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 236 transitions. [2024-10-14 09:48:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-14 09:48:29,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:48:29,241 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:48:29,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:48:29,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:48:29,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:48:29,242 INFO L85 PathProgramCache]: Analyzing trace with hash 182330880, now seen corresponding path program 1 times [2024-10-14 09:48:29,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:48:29,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552884421] [2024-10-14 09:48:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:48:29,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:48:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:48:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:48:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:48:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:48:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:48:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:48:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:48:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:48:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:48:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:48:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:48:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:48:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:48:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:48:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:48:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:48:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:48:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:48:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:48:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:48:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:48:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:48:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:48:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:48:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:48:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:48:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:48:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:48:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:48:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:48:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:48:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:48:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:48:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:48:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:48:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:48:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 09:48:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 09:48:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 09:48:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 09:48:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 09:48:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 09:48:29,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:48:29,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552884421] [2024-10-14 09:48:29,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552884421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:48:29,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:48:29,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:48:29,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760345129] [2024-10-14 09:48:29,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:48:29,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:48:29,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:48:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:48:29,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:48:29,665 INFO L87 Difference]: Start difference. First operand 148 states and 236 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:48:29,784 INFO L93 Difference]: Finished difference Result 436 states and 694 transitions. [2024-10-14 09:48:29,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:48:29,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 250 [2024-10-14 09:48:29,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:48:29,795 INFO L225 Difference]: With dead ends: 436 [2024-10-14 09:48:29,797 INFO L226 Difference]: Without dead ends: 289 [2024-10-14 09:48:29,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:48:29,802 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 144 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:48:29,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 306 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:48:29,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-14 09:48:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2024-10-14 09:48:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 168 states have (on average 1.3333333333333333) internal successors, (224), 170 states have internal predecessors, (224), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-14 09:48:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 452 transitions. [2024-10-14 09:48:29,895 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 452 transitions. Word has length 250 [2024-10-14 09:48:29,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:48:29,896 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 452 transitions. [2024-10-14 09:48:29,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 452 transitions. [2024-10-14 09:48:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 09:48:29,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:48:29,902 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:48:29,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:48:29,903 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:48:29,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:48:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1607842370, now seen corresponding path program 1 times [2024-10-14 09:48:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:48:29,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404604324] [2024-10-14 09:48:29,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:48:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:48:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:48:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:48:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:48:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:48:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:48:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:48:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:48:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:48:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:48:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:48:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:48:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:48:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:48:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:48:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:48:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:48:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:48:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:48:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:48:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:48:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:48:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:48:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:48:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:48:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:48:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:48:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:48:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:48:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:48:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:48:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:48:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:48:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:48:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:48:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:48:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:48:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 09:48:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 09:48:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 09:48:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 09:48:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 09:48:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 09:48:56,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:48:56,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404604324] [2024-10-14 09:48:56,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404604324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:48:56,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:48:56,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:48:56,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422283402] [2024-10-14 09:48:56,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:48:56,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:48:56,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:48:56,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:48:56,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:48:56,532 INFO L87 Difference]: Start difference. First operand 287 states and 452 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:57,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:48:57,114 INFO L93 Difference]: Finished difference Result 841 states and 1303 transitions. [2024-10-14 09:48:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:48:57,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-10-14 09:48:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:48:57,122 INFO L225 Difference]: With dead ends: 841 [2024-10-14 09:48:57,122 INFO L226 Difference]: Without dead ends: 555 [2024-10-14 09:48:57,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:48:57,125 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 109 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:48:57,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 386 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:48:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-14 09:48:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 457. [2024-10-14 09:48:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 302 states have (on average 1.3973509933774835) internal successors, (422), 308 states have internal predecessors, (422), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-14 09:48:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 714 transitions. [2024-10-14 09:48:57,254 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 714 transitions. Word has length 251 [2024-10-14 09:48:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:48:57,256 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 714 transitions. [2024-10-14 09:48:57,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 714 transitions. [2024-10-14 09:48:57,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 09:48:57,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:48:57,260 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:48:57,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:48:57,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:48:57,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:48:57,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1986060348, now seen corresponding path program 1 times [2024-10-14 09:48:57,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:48:57,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710739090] [2024-10-14 09:48:57,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:48:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:48:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:48:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:48:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:48:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:48:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:48:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:48:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:48:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:48:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:48:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:48:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:48:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:48:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:48:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:48:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:48:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:48:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:48:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:48:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:48:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:48:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:48:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:48:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:48:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:48:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:48:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:48:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:48:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 09:48:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 09:48:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:48:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 09:48:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:48:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 09:48:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:48:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 09:48:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 09:48:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 09:48:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 09:48:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 09:48:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 09:48:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 09:48:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:48:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 09:48:58,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:48:58,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710739090] [2024-10-14 09:48:58,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710739090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:48:58,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:48:58,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:48:58,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272788089] [2024-10-14 09:48:58,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:48:58,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:48:58,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:48:58,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:48:58,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:48:58,893 INFO L87 Difference]: Start difference. First operand 457 states and 714 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:59,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:48:59,467 INFO L93 Difference]: Finished difference Result 1011 states and 1563 transitions. [2024-10-14 09:48:59,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:48:59,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-10-14 09:48:59,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:48:59,474 INFO L225 Difference]: With dead ends: 1011 [2024-10-14 09:48:59,475 INFO L226 Difference]: Without dead ends: 555 [2024-10-14 09:48:59,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:48:59,481 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 98 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 09:48:59,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 532 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 09:48:59,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-14 09:48:59,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 439. [2024-10-14 09:48:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 284 states have (on average 1.380281690140845) internal successors, (392), 290 states have internal predecessors, (392), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-14 09:48:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 684 transitions. [2024-10-14 09:48:59,570 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 684 transitions. Word has length 251 [2024-10-14 09:48:59,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:48:59,571 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 684 transitions. [2024-10-14 09:48:59,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-14 09:48:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 684 transitions. [2024-10-14 09:48:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 09:48:59,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:48:59,574 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:48:59,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:48:59,575 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:48:59,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:48:59,575 INFO L85 PathProgramCache]: Analyzing trace with hash -635366722, now seen corresponding path program 1 times [2024-10-14 09:48:59,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:48:59,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963584114] [2024-10-14 09:48:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:48:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:48:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat