./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_fillercodesize_ps-cn-50_file-66.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_fillercodesize_ps-cn-50_file-66.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 ab3009c5075b0ebd92692dd619a86557cce84a8d711f4e9b6310d42ccb6a6f85 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:56:05,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:56:05,270 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:56:05,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:56:05,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:56:05,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:56:05,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:56:05,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:56:05,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:56:05,309 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:56:05,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:56:05,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:56:05,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:56:05,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:56:05,313 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:56:05,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:56:05,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:56:05,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:56:05,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:56:05,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:56:05,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:56:05,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:56:05,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:56:05,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:56:05,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:56:05,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:56:05,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:56:05,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:56:05,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:56:05,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:56:05,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:56:05,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:56:05,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:56:05,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:56:05,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:56:05,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:56:05,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:56:05,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:56:05,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:56:05,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:56:05,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:56:05,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:56:05,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab3009c5075b0ebd92692dd619a86557cce84a8d711f4e9b6310d42ccb6a6f85 [2024-10-14 08:56:05,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:56:05,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:56:05,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:56:05,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:56:05,594 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:56:05,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-10-14 08:56:07,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:56:07,339 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:56:07,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-10-14 08:56:07,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c5ffb6b/dae0aec22a874128ac6662f071d1ca5c/FLAG13caa5a32 [2024-10-14 08:56:07,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c5ffb6b/dae0aec22a874128ac6662f071d1ca5c [2024-10-14 08:56:07,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:56:07,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:56:07,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:56:07,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:56:07,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:56:07,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3fc30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07, skipping insertion in model container [2024-10-14 08:56:07,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:56:07,563 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_fillercodesize_ps-cn-50_file-66.i[915,928] [2024-10-14 08:56:07,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:56:07,645 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:56:07,657 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_fillercodesize_ps-cn-50_file-66.i[915,928] [2024-10-14 08:56:07,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:56:07,726 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:56:07,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07 WrapperNode [2024-10-14 08:56:07,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:56:07,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:56:07,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:56:07,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:56:07,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,779 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-10-14 08:56:07,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:56:07,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:56:07,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:56:07,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:56:07,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,812 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 08:56:07,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:56:07,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:56:07,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:56:07,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:56:07,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (1/1) ... [2024-10-14 08:56:07,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:56:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:56:07,910 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 08:56:07,914 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 08:56:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:56:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:56:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:56:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:56:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:56:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:56:08,077 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:56:08,080 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:56:08,512 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 08:56:08,513 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:56:08,564 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:56:08,565 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:56:08,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:56:08 BoogieIcfgContainer [2024-10-14 08:56:08,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:56:08,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:56:08,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:56:08,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:56:08,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:56:07" (1/3) ... [2024-10-14 08:56:08,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3584cb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:56:08, skipping insertion in model container [2024-10-14 08:56:08,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:07" (2/3) ... [2024-10-14 08:56:08,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3584cb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:56:08, skipping insertion in model container [2024-10-14 08:56:08,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:56:08" (3/3) ... [2024-10-14 08:56:08,577 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-10-14 08:56:08,601 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:56:08,601 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:56:08,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:56:08,694 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;@209b2aee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:56:08,694 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:56:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 08:56:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 08:56:08,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:56:08,726 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:08,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:56:08,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:56:08,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times [2024-10-14 08:56:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:56:08,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139845300] [2024-10-14 08:56:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:56:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:56:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:56:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:56:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:56:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:56:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:56:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:56:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:56:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:56:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:56:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:56:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:56:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:56:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:56:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:56:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:56:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:56:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:56:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:56:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:56:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:56:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:56:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:56:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:56:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:56:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:56:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:56:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:56:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:56:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:56:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:56:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:56:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:56:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:56:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:56:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 08:56:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:56:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 08:56:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:56:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 08:56:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:56:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 08:56:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:56:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 08:56:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 08:56:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 08:56:09,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:56:09,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139845300] [2024-10-14 08:56:09,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139845300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:56:09,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:56:09,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:56:09,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792208245] [2024-10-14 08:56:09,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:56:09,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:56:09,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:56:09,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:56:09,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:56:09,537 INFO L87 Difference]: Start difference. First operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 08:56:09,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:56:09,651 INFO L93 Difference]: Finished difference Result 215 states and 398 transitions. [2024-10-14 08:56:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:56:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267 [2024-10-14 08:56:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:56:09,670 INFO L225 Difference]: With dead ends: 215 [2024-10-14 08:56:09,671 INFO L226 Difference]: Without dead ends: 107 [2024-10-14 08:56:09,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:56:09,684 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:56:09,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:56:09,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-14 08:56:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-14 08:56:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 08:56:09,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions. [2024-10-14 08:56:09,741 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267 [2024-10-14 08:56:09,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:56:09,742 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 173 transitions. [2024-10-14 08:56:09,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 08:56:09,745 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions. [2024-10-14 08:56:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 08:56:09,750 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:56:09,751 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:09,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:56:09,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:56:09,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:56:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times [2024-10-14 08:56:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:56:09,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937218669] [2024-10-14 08:56:09,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:56:09,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:56:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:56:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:56:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:56:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:56:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:56:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:56:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:56:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:56:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:56:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:56:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:56:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:56:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:56:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:56:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:56:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:56:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:56:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:56:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:56:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:56:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:56:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:56:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:56:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:56:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:56:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:56:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:56:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:56:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:56:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:56:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:56:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:56:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:56:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:56:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 08:56:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:56:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 08:56:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:56:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 08:56:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:56:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 08:56:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:56:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 08:56:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 08:56:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 08:56:10,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:56:10,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937218669] [2024-10-14 08:56:10,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937218669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:56:10,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:56:10,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:56:10,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134938175] [2024-10-14 08:56:10,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:56:10,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:56:10,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:56:10,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:56:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:56:10,203 INFO L87 Difference]: Start difference. First operand 107 states and 173 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:56:10,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:56:10,339 INFO L93 Difference]: Finished difference Result 318 states and 515 transitions. [2024-10-14 08:56:10,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:56:10,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 08:56:10,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:56:10,357 INFO L225 Difference]: With dead ends: 318 [2024-10-14 08:56:10,358 INFO L226 Difference]: Without dead ends: 212 [2024-10-14 08:56:10,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 08:56:10,362 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 162 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 08:56:10,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 08:56:10,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-14 08:56:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2024-10-14 08:56:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 119 states have internal predecessors, (161), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-14 08:56:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions. [2024-10-14 08:56:10,487 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267 [2024-10-14 08:56:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:56:10,488 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 337 transitions. [2024-10-14 08:56:10,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:56:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2024-10-14 08:56:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 08:56:10,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:56:10,501 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:10,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:56:10,502 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:56:10,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:56:10,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times [2024-10-14 08:56:10,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:56:10,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688900712] [2024-10-14 08:56:10,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:56:10,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:56:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:56:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:56:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:56:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:56:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:56:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:56:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:56:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:56:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:56:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:56:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:56:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:56:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:56:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:56:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:56:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:56:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:56:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:56:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:56:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:56:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:56:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:56:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:56:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:56:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:56:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:56:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:56:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:56:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:56:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:56:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:56:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:56:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:56:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:56:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 08:56:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:56:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 08:56:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:56:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 08:56:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:56:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 08:56:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:56:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:11,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 08:56:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:11,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 08:56:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 08:56:11,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:56:11,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688900712] [2024-10-14 08:56:11,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688900712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:56:11,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:56:11,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 08:56:11,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489093936] [2024-10-14 08:56:11,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:56:11,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 08:56:11,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:56:11,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 08:56:11,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 08:56:11,022 INFO L87 Difference]: Start difference. First operand 210 states and 337 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:56:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:56:11,468 INFO L93 Difference]: Finished difference Result 642 states and 1019 transitions. [2024-10-14 08:56:11,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 08:56:11,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 08:56:11,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:56:11,476 INFO L225 Difference]: With dead ends: 642 [2024-10-14 08:56:11,476 INFO L226 Difference]: Without dead ends: 433 [2024-10-14 08:56:11,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 08:56:11,479 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 109 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 08:56:11,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 470 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 08:56:11,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-14 08:56:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428. [2024-10-14 08:56:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 241 states have (on average 1.3236514522821576) internal successors, (319), 242 states have internal predecessors, (319), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2024-10-14 08:56:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions. [2024-10-14 08:56:11,561 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267 [2024-10-14 08:56:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:56:11,564 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 679 transitions. [2024-10-14 08:56:11,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:56:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions. [2024-10-14 08:56:11,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 08:56:11,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:56:11,571 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:11,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:56:11,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:56:11,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:56:11,573 INFO L85 PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times [2024-10-14 08:56:11,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:56:11,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629367447] [2024-10-14 08:56:11,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:56:11,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:56:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:56:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:56:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:56:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:56:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:56:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:56:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:56:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:56:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:56:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:56:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:56:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:56:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:56:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:56:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:56:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:56:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:56:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:56:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:56:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:56:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:56:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:56:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:56:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:56:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:56:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:56:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:56:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:56:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:56:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:56:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:56:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:56:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:56:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:56:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 08:56:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:56:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 08:56:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:56:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 08:56:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:56:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 08:56:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:56:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 08:56:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 08:56:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:56:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 08:56:41,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:56:41,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629367447] [2024-10-14 08:56:41,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629367447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:56:41,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:56:41,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 08:56:41,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43915501] [2024-10-14 08:56:41,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:56:41,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 08:56:41,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:56:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 08:56:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-14 08:56:41,875 INFO L87 Difference]: Start difference. First operand 428 states and 679 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:56:45,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:56:45,300 INFO L93 Difference]: Finished difference Result 574 states and 862 transitions. [2024-10-14 08:56:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 08:56:45,301 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 08:56:45,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:56:45,312 INFO L225 Difference]: With dead ends: 574 [2024-10-14 08:56:45,313 INFO L226 Difference]: Without dead ends: 572 [2024-10-14 08:56:45,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2024-10-14 08:56:45,315 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 286 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 08:56:45,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 848 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 08:56:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-14 08:56:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 497. [2024-10-14 08:56:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 295 states have (on average 1.3152542372881355) internal successors, (388), 299 states have internal predecessors, (388), 192 states have call successors, (192), 9 states have call predecessors, (192), 9 states have return successors, (192), 188 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-14 08:56:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 772 transitions. [2024-10-14 08:56:45,391 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 772 transitions. Word has length 267 [2024-10-14 08:56:45,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:56:45,392 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 772 transitions. [2024-10-14 08:56:45,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:56:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 772 transitions. [2024-10-14 08:56:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 08:56:45,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:56:45,397 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:45,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:56:45,397 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:56:45,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:56:45,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times [2024-10-14 08:56:45,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:56:45,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273949453] [2024-10-14 08:56:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:56:45,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:56:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:57:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:57:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:57:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:57:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:57:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:57:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:57:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:57:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:57:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:57:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:57:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:57:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:57:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:57:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:57:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:57:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:57:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:57:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:57:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:57:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:57:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:57:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:57:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:57:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:57:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:57:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:57:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:57:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:57:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:57:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:57:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:57:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:57:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:57:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 08:57:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:57:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 08:57:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:57:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 08:57:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:57:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 08:57:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:57:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 08:57:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 08:57:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:57:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 08:57:13,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:57:13,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273949453] [2024-10-14 08:57:13,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273949453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:57:13,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:57:13,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 08:57:13,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605935477] [2024-10-14 08:57:13,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:57:13,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 08:57:13,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:57:13,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 08:57:13,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-14 08:57:13,214 INFO L87 Difference]: Start difference. First operand 497 states and 772 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:57:14,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:57:14,884 INFO L93 Difference]: Finished difference Result 881 states and 1343 transitions. [2024-10-14 08:57:14,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 08:57:14,885 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 08:57:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:57:14,894 INFO L225 Difference]: With dead ends: 881 [2024-10-14 08:57:14,894 INFO L226 Difference]: Without dead ends: 672 [2024-10-14 08:57:14,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-14 08:57:14,896 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 124 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:57:14,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1416 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 08:57:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-10-14 08:57:14,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 552. [2024-10-14 08:57:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 349 states have internal predecessors, (458), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-14 08:57:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 850 transitions. [2024-10-14 08:57:14,969 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 850 transitions. Word has length 267 [2024-10-14 08:57:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:57:14,970 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 850 transitions. [2024-10-14 08:57:14,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 08:57:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 850 transitions. [2024-10-14 08:57:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 08:57:14,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:57:14,974 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:14,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 08:57:14,974 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:57:14,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:57:14,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1860327838, now seen corresponding path program 1 times [2024-10-14 08:57:14,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:57:14,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572641863] [2024-10-14 08:57:14,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:57:14,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:57:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat