./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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_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-dev-4a390ef-m [2024-10-24 06:46:52,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:46:52,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:46:52,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:46:52,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:46:52,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:46:52,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:46:52,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:46:52,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:46:52,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:46:52,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:46:52,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:46:52,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:46:52,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:46:52,352 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:46:52,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:46:52,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:46:52,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:46:52,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:46:52,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:46:52,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:46:52,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:46:52,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:46:52,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:46:52,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:46:52,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:46:52,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:46:52,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:46:52,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:46:52,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:46:52,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:46:52,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:46:52,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:46:52,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:46:52,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:46:52,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:46:52,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:46:52,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:46:52,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:46:52,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:46:52,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:46:52,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:46:52,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab3009c5075b0ebd92692dd619a86557cce84a8d711f4e9b6310d42ccb6a6f85 [2024-10-24 06:46:52,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:46:52,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:46:52,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:46:52,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:46:52,655 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:46:52,656 INFO L431 ainManager$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 [2024-10-24 06:46:54,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:46:54,441 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:46:54,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-10-24 06:46:54,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f003ceccd/e0ef8e0d5b3a42e0b839f26f193a43ed/FLAG3892fc5a7 [2024-10-24 06:46:54,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f003ceccd/e0ef8e0d5b3a42e0b839f26f193a43ed [2024-10-24 06:46:54,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:46:54,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:46:54,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:46:54,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:46:54,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:46:54,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:54,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a18553a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54, skipping insertion in model container [2024-10-24 06:46:54,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:54,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:46:54,775 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] [2024-10-24 06:46:54,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:46:54,889 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:46:54,899 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] [2024-10-24 06:46:54,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:46:54,955 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:46:54,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54 WrapperNode [2024-10-24 06:46:54,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:46:54,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:46:54,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:46:54,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:46:54,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:54,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,019 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-10-24 06:46:55,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:46:55,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:46:55,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:46:55,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:46:55,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,064 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:46:55,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:46:55,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:46:55,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:46:55,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:46:55,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (1/1) ... [2024-10-24 06:46:55,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:46:55,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:46:55,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:46:55,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:46:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:46:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:46:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:46:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:46:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:46:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:46:55,311 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:46:55,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:46:55,754 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-24 06:46:55,755 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:46:55,799 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:46:55,799 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:46:55,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:46:55 BoogieIcfgContainer [2024-10-24 06:46:55,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:46:55,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:46:55,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:46:55,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:46:55,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:46:54" (1/3) ... [2024-10-24 06:46:55,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cfb8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:46:55, skipping insertion in model container [2024-10-24 06:46:55,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:46:54" (2/3) ... [2024-10-24 06:46:55,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cfb8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:46:55, skipping insertion in model container [2024-10-24 06:46:55,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:46:55" (3/3) ... [2024-10-24 06:46:55,813 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-10-24 06:46:55,833 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:46:55,833 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:46:55,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:46:55,925 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;@21806ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:46:55,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:46:55,931 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) [2024-10-24 06:46:55,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 06:46:55,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:46:55,956 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] [2024-10-24 06:46:55,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:46:55,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:46:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times [2024-10-24 06:46:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:46:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194033735] [2024-10-24 06:46:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:46:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:46:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:46:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:46:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:46:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:46:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:46:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:46:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:46:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:46:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:46:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:46:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:46:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:46:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:46:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:46:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:46:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:46:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:46:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:46:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:46:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:46:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:46:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:46:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:46:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:46:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:46:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:46:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:46:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:46:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:46:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:46:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:46:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:46:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:46:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:46:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:46:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:46:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:46:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 06:46:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 06:46:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 06:46:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 06:46:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 06:46:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 06:46:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 06:46:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 06:46:56,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:46:56,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194033735] [2024-10-24 06:46:56,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194033735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:46:56,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:46:56,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:46:56,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423704556] [2024-10-24 06:46:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:46:56,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:46:56,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:46:56,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:46:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:46:56,839 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) [2024-10-24 06:46:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:46:56,892 INFO L93 Difference]: Finished difference Result 215 states and 398 transitions. [2024-10-24 06:46:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:46:56,899 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 [2024-10-24 06:46:56,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:46:56,911 INFO L225 Difference]: With dead ends: 215 [2024-10-24 06:46:56,911 INFO L226 Difference]: Without dead ends: 107 [2024-10-24 06:46:56,916 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 [2024-10-24 06:46:56,920 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 [2024-10-24 06:46:56,922 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] [2024-10-24 06:46:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-24 06:46:56,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-24 06:46:56,987 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) [2024-10-24 06:46:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions. [2024-10-24 06:46:56,993 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267 [2024-10-24 06:46:56,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:46:56,994 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 173 transitions. [2024-10-24 06:46:56,994 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) [2024-10-24 06:46:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions. [2024-10-24 06:46:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 06:46:57,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:46:57,000 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] [2024-10-24 06:46:57,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:46:57,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:46:57,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:46:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times [2024-10-24 06:46:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:46:57,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421712387] [2024-10-24 06:46:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:46:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:46:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:46:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:46:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:46:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:46:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:46:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:46:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:46:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:46:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:46:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:46:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:46:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:46:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:46:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:46:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:46:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:46:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:46:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:46:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:46:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:46:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:46:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:46:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:46:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:46:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:46:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:46:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:46:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:46:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:46:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:46:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:46:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:46:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:46:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:46:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:46:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:46:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:46:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 06:46:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 06:46:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 06:46:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 06:46:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 06:46:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 06:46:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 06:46:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 06:46:57,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:46:57,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421712387] [2024-10-24 06:46:57,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421712387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:46:57,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:46:57,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:46:57,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647316821] [2024-10-24 06:46:57,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:46:57,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:46:57,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:46:57,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:46:57,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:46:57,468 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) [2024-10-24 06:46:57,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:46:57,585 INFO L93 Difference]: Finished difference Result 318 states and 515 transitions. [2024-10-24 06:46:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:46:57,586 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 [2024-10-24 06:46:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:46:57,597 INFO L225 Difference]: With dead ends: 318 [2024-10-24 06:46:57,597 INFO L226 Difference]: Without dead ends: 212 [2024-10-24 06:46:57,602 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 [2024-10-24 06:46:57,604 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 [2024-10-24 06:46:57,604 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] [2024-10-24 06:46:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-24 06:46:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2024-10-24 06:46:57,661 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) [2024-10-24 06:46:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions. [2024-10-24 06:46:57,673 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267 [2024-10-24 06:46:57,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:46:57,675 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 337 transitions. [2024-10-24 06:46:57,676 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) [2024-10-24 06:46:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2024-10-24 06:46:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 06:46:57,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:46:57,685 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] [2024-10-24 06:46:57,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:46:57,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:46:57,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:46:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times [2024-10-24 06:46:57,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:46:57,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138975091] [2024-10-24 06:46:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:46:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:46:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:46:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:46:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:46:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:46:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:46:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:46:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:46:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:46:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:46:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:46:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:46:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:46:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:46:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:46:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:46:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:46:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:46:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:46:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:46:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:46:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:46:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:46:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:46:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:46:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:46:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:46:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:46:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:46:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:46:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:46:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:46:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:46:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:46:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:46:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:46:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:46:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:46:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 06:46:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 06:46:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 06:46:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 06:46:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 06:46:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 06:46:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 06:46:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:46:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 06:46:58,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:46:58,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138975091] [2024-10-24 06:46:58,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138975091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:46:58,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:46:58,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:46:58,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704619812] [2024-10-24 06:46:58,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:46:58,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:46:58,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:46:58,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:46:58,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:46:58,424 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) [2024-10-24 06:46:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:46:58,885 INFO L93 Difference]: Finished difference Result 642 states and 1019 transitions. [2024-10-24 06:46:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:46:58,886 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 [2024-10-24 06:46:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:46:58,892 INFO L225 Difference]: With dead ends: 642 [2024-10-24 06:46:58,892 INFO L226 Difference]: Without dead ends: 433 [2024-10-24 06:46:58,894 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 [2024-10-24 06:46:58,895 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 06:46:58,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 470 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 06:46:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-24 06:46:58,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428. [2024-10-24 06:46:58,984 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) [2024-10-24 06:46:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions. [2024-10-24 06:46:58,991 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267 [2024-10-24 06:46:58,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:46:58,993 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 679 transitions. [2024-10-24 06:46:58,994 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) [2024-10-24 06:46:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions. [2024-10-24 06:46:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 06:46:59,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:46:59,000 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] [2024-10-24 06:46:59,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:46:59,001 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:46:59,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:46:59,001 INFO L85 PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times [2024-10-24 06:46:59,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:46:59,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388266933] [2024-10-24 06:46:59,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:46:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:46:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:47:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:47:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:47:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:47:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:47:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:47:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:47:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:47:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:47:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:47:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:47:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:47:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:47:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:47:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:47:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:47:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:47:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:47:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:47:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:47:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:47:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:47:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:47:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:47:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:47:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:47:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:47:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:47:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:47:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:47:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:47:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:47:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:47:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:47:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:47:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:47:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:47:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 06:47:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 06:47:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 06:47:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 06:47:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 06:47:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 06:47:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 06:47:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:47:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 06:47:31,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:47:31,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388266933] [2024-10-24 06:47:31,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388266933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:47:31,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:47:31,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 06:47:31,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115416505] [2024-10-24 06:47:31,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:47:31,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 06:47:31,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:47:31,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 06:47:31,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-24 06:47:31,984 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) [2024-10-24 06:47:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:47:35,541 INFO L93 Difference]: Finished difference Result 574 states and 862 transitions. [2024-10-24 06:47:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 06:47:35,541 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 [2024-10-24 06:47:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:47:35,548 INFO L225 Difference]: With dead ends: 574 [2024-10-24 06:47:35,548 INFO L226 Difference]: Without dead ends: 572 [2024-10-24 06:47:35,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2024-10-24 06:47:35,551 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 286 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:47:35,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 848 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 06:47:35,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-24 06:47:35,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 497. [2024-10-24 06:47:35,628 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) [2024-10-24 06:47:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 772 transitions. [2024-10-24 06:47:35,632 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 772 transitions. Word has length 267 [2024-10-24 06:47:35,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:47:35,633 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 772 transitions. [2024-10-24 06:47:35,633 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) [2024-10-24 06:47:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 772 transitions. [2024-10-24 06:47:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 06:47:35,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:47:35,637 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] [2024-10-24 06:47:35,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:47:35,637 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:47:35,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:47:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times [2024-10-24 06:47:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:47:35,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995580860] [2024-10-24 06:47:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:47:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:47:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:48:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:48:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:48:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:48:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:48:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:48:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:48:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:48:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:48:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:48:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:48:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:48:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:48:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:48:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:48:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:48:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:48:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:48:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:48:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:48:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:48:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:48:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:48:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:48:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:48:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:48:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:48:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:48:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:48:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:48:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:48:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:48:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:48:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:48:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:48:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:48:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:48:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 06:48:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 06:48:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 06:48:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 06:48:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 06:48:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 06:48:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 06:48:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:48:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 06:48:03,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:48:03,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995580860] [2024-10-24 06:48:03,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995580860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:48:03,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:48:03,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:48:03,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560084633] [2024-10-24 06:48:03,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:48:03,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:48:03,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:48:03,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:48:03,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:48:03,848 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) [2024-10-24 06:48:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:48:06,184 INFO L93 Difference]: Finished difference Result 881 states and 1343 transitions. [2024-10-24 06:48:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 06:48:06,185 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 [2024-10-24 06:48:06,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:48:06,192 INFO L225 Difference]: With dead ends: 881 [2024-10-24 06:48:06,192 INFO L226 Difference]: Without dead ends: 672 [2024-10-24 06:48:06,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-24 06:48:06,198 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 124 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:48:06,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1416 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 06:48:06,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-10-24 06:48:06,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 552. [2024-10-24 06:48:06,261 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) [2024-10-24 06:48:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 850 transitions. [2024-10-24 06:48:06,265 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 850 transitions. Word has length 267 [2024-10-24 06:48:06,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:48:06,265 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 850 transitions. [2024-10-24 06:48:06,266 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) [2024-10-24 06:48:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 850 transitions. [2024-10-24 06:48:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 06:48:06,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:48:06,270 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] [2024-10-24 06:48:06,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 06:48:06,270 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:48:06,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:48:06,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1860327838, now seen corresponding path program 1 times [2024-10-24 06:48:06,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:48:06,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070791842] [2024-10-24 06:48:06,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:48:06,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:48:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat