./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.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 bcbcb400fb3c2001bae06c1a3f5fabc11943b7dd9f57ad2b480b7bdc063ccccb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:47:53,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:47:53,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:47:53,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:47:53,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:47:53,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:47:53,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:47:53,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:47:53,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:47:53,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:47:53,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:47:53,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:47:53,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:47:53,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:47:53,848 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:47:53,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:47:53,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:47:53,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:47:53,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:47:53,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:47:53,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:47:53,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:47:53,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:47:53,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:47:53,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:47:53,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:47:53,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:47:53,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:47:53,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:47:53,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:47:53,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:47:53,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:47:53,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:47:53,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:47:53,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:47:53,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:47:53,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:47:53,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:47:53,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:47:53,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:47:53,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:47:53,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:47:53,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbcb400fb3c2001bae06c1a3f5fabc11943b7dd9f57ad2b480b7bdc063ccccb [2024-11-12 01:47:54,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:47:54,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:47:54,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:47:54,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:47:54,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:47:54,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.i [2024-11-12 01:47:55,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:47:55,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:47:55,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-42.i [2024-11-12 01:47:55,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc2583f7/3424e7e4bb674432aa9ad75c3b79dbb5/FLAG93981d027 [2024-11-12 01:47:55,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc2583f7/3424e7e4bb674432aa9ad75c3b79dbb5 [2024-11-12 01:47:55,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:47:55,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:47:55,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:47:55,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:47:55,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:47:55,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:47:55" (1/1) ... [2024-11-12 01:47:55,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694d0bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:55, skipping insertion in model container [2024-11-12 01:47:55,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:47:55" (1/1) ... [2024-11-12 01:47:56,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:47:56,226 WARN L250 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-100_file-42.i[916,929] [2024-11-12 01:47:56,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:47:56,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:47:56,400 WARN L250 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-100_file-42.i[916,929] [2024-11-12 01:47:56,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:47:56,483 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:47:56,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56 WrapperNode [2024-11-12 01:47:56,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:47:56,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:47:56,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:47:56,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:47:56,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,563 INFO L138 Inliner]: procedures = 26, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-11-12 01:47:56,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:47:56,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:47:56,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:47:56,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:47:56,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,624 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]. [2024-11-12 01:47:56,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:47:56,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:47:56,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:47:56,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:47:56,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (1/1) ... [2024-11-12 01:47:56,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:47:56,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:47:56,721 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) [2024-11-12 01:47:56,724 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 [2024-11-12 01:47:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:47:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:47:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:47:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:47:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:47:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:47:56,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:47:56,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:47:57,483 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-12 01:47:57,483 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:47:57,507 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:47:57,507 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:47:57,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:47:57 BoogieIcfgContainer [2024-11-12 01:47:57,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:47:57,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:47:57,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:47:57,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:47:57,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:47:55" (1/3) ... [2024-11-12 01:47:57,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3527f891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:47:57, skipping insertion in model container [2024-11-12 01:47:57,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:47:56" (2/3) ... [2024-11-12 01:47:57,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3527f891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:47:57, skipping insertion in model container [2024-11-12 01:47:57,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:47:57" (3/3) ... [2024-11-12 01:47:57,516 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-42.i [2024-11-12 01:47:57,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:47:57,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:47:57,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:47:57,620 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;@42fe5aab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:47:57,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:47:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 90 states have internal predecessors, (128), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-12 01:47:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-12 01:47:57,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:47:57,648 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:47:57,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:47:57,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:47:57,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1657357438, now seen corresponding path program 1 times [2024-11-12 01:47:57,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:47:57,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295859876] [2024-11-12 01:47:57,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:47:57,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:47:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:47:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:47:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:47:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:47:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:47:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:47:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:47:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:47:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:47:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:47:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:47:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 01:47:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 01:47:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 01:47:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 01:47:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 01:47:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 01:47:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 01:47:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 01:47:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:58,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:47:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:47:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 01:47:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:47:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 01:47:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 01:47:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:47:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:47:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:47:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:47:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:47:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:47:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:47:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:47:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:47:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:47:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:47:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:47:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:47:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:47:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:47:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 01:47:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:47:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 01:47:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 01:47:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:47:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:47:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:47:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:47:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 01:47:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:47:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 01:47:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:47:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:47:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 01:47:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-12 01:47:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-12 01:47:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-12 01:47:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:47:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-12 01:47:59,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:47:59,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295859876] [2024-11-12 01:47:59,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295859876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:47:59,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:47:59,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:47:59,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65571680] [2024-11-12 01:47:59,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:47:59,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:47:59,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:47:59,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:47:59,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:47:59,337 INFO L87 Difference]: Start difference. First operand has 149 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 90 states have internal predecessors, (128), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-12 01:47:59,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:47:59,783 INFO L93 Difference]: Finished difference Result 434 states and 831 transitions. [2024-11-12 01:47:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:47:59,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 353 [2024-11-12 01:47:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:47:59,808 INFO L225 Difference]: With dead ends: 434 [2024-11-12 01:47:59,808 INFO L226 Difference]: Without dead ends: 288 [2024-11-12 01:47:59,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:47:59,822 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 177 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:47:59,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 687 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:47:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-12 01:47:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 267. [2024-11-12 01:47:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 150 states have (on average 1.3866666666666667) internal successors, (208), 150 states have internal predecessors, (208), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-12 01:47:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 436 transitions. [2024-11-12 01:47:59,954 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 436 transitions. Word has length 353 [2024-11-12 01:47:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:47:59,958 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 436 transitions. [2024-11-12 01:47:59,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-12 01:47:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 436 transitions. [2024-11-12 01:47:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-12 01:47:59,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:47:59,971 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:47:59,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:47:59,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:47:59,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:47:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash -64710391, now seen corresponding path program 1 times [2024-11-12 01:47:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:47:59,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273830255] [2024-11-12 01:47:59,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:47:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:48:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:48:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:48:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:48:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:48:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:48:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:48:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:48:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:48:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:48:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:48:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:48:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 01:48:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 01:48:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 01:48:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 01:48:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 01:48:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 01:48:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 01:48:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 01:48:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:48:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:48:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 01:48:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:48:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 01:48:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 01:48:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:48:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:48:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:48:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:48:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:48:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:48:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:48:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:48:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:48:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:48:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:48:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:48:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:48:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:48:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:48:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 01:48:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:48:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 01:48:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 01:48:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:48:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:48:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:48:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:48:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 01:48:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:48:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 01:48:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:48:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:48:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 01:48:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-12 01:48:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-12 01:48:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-12 01:48:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-12 01:48:00,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:48:00,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273830255] [2024-11-12 01:48:00,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273830255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:48:00,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:48:00,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:48:00,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206631282] [2024-11-12 01:48:00,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:48:00,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:48:00,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:48:00,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:48:00,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:48:00,968 INFO L87 Difference]: Start difference. First operand 267 states and 436 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-12 01:48:01,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:48:01,516 INFO L93 Difference]: Finished difference Result 595 states and 967 transitions. [2024-11-12 01:48:01,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 01:48:01,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 354 [2024-11-12 01:48:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:48:01,523 INFO L225 Difference]: With dead ends: 595 [2024-11-12 01:48:01,523 INFO L226 Difference]: Without dead ends: 453 [2024-11-12 01:48:01,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:48:01,526 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 207 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:48:01,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 859 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 01:48:01,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-12 01:48:01,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 407. [2024-11-12 01:48:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 232 states have (on average 1.396551724137931) internal successors, (324), 232 states have internal predecessors, (324), 171 states have call successors, (171), 3 states have call predecessors, (171), 3 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-12 01:48:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 666 transitions. [2024-11-12 01:48:01,635 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 666 transitions. Word has length 354 [2024-11-12 01:48:01,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:48:01,636 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 666 transitions. [2024-11-12 01:48:01,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-12 01:48:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 666 transitions. [2024-11-12 01:48:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-12 01:48:01,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:48:01,643 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:48:01,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:48:01,644 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:48:01,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:48:01,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1344574069, now seen corresponding path program 1 times [2024-11-12 01:48:01,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:48:01,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872180336] [2024-11-12 01:48:01,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:48:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:48:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:01,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:48:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:48:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:48:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:48:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:01,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:48:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:48:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:48:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:48:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:48:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:48:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 01:48:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 01:48:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 01:48:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 01:48:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 01:48:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 01:48:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 01:48:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 01:48:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:48:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:48:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 01:48:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:48:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 01:48:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 01:48:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:48:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:48:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:48:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:48:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:48:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:48:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:48:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:48:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:48:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:48:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:48:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:48:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:48:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:48:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:48:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 01:48:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:48:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 01:48:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 01:48:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:48:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:48:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:48:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:48:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 01:48:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:48:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 01:48:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:48:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:48:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 01:48:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-12 01:48:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-12 01:48:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-12 01:48:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-12 01:48:02,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:48:02,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872180336] [2024-11-12 01:48:02,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872180336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:48:02,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:48:02,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:48:02,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640947080] [2024-11-12 01:48:02,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:48:02,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:48:02,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:48:02,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:48:02,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:48:02,155 INFO L87 Difference]: Start difference. First operand 407 states and 666 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-12 01:48:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:48:02,218 INFO L93 Difference]: Finished difference Result 689 states and 1128 transitions. [2024-11-12 01:48:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:48:02,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 354 [2024-11-12 01:48:02,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:48:02,246 INFO L225 Difference]: With dead ends: 689 [2024-11-12 01:48:02,246 INFO L226 Difference]: Without dead ends: 407 [2024-11-12 01:48:02,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:48:02,249 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 0 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:48:02,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:48:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-12 01:48:02,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-12 01:48:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 232 states have (on average 1.3879310344827587) internal successors, (322), 232 states have internal predecessors, (322), 171 states have call successors, (171), 3 states have call predecessors, (171), 3 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-12 01:48:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 664 transitions. [2024-11-12 01:48:02,317 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 664 transitions. Word has length 354 [2024-11-12 01:48:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:48:02,318 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 664 transitions. [2024-11-12 01:48:02,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-12 01:48:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 664 transitions. [2024-11-12 01:48:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-12 01:48:02,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:48:02,324 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:48:02,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:48:02,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:48:02,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:48:02,326 INFO L85 PathProgramCache]: Analyzing trace with hash -664515699, now seen corresponding path program 1 times [2024-11-12 01:48:02,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:48:02,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216603] [2024-11-12 01:48:02,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:48:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:48:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:48:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:48:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:48:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:48:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:48:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:48:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:48:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:48:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:48:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:48:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 01:48:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 01:48:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 01:48:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 01:48:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 01:48:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 01:48:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 01:48:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 01:48:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:48:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:48:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 01:48:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:48:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 01:48:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 01:48:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:48:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:48:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:48:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:48:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:48:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:48:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:48:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:48:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:48:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:48:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:48:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:48:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:48:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:48:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:48:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 01:48:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:48:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 01:48:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 01:48:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:48:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:48:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:48:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:48:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 01:48:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:48:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 01:48:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:48:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:48:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 01:48:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-12 01:48:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-12 01:48:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-12 01:48:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 117 proven. 51 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2024-11-12 01:48:02,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:48:02,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216603] [2024-11-12 01:48:02,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 01:48:02,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107987258] [2024-11-12 01:48:02,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:02,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:48:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:48:02,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 01:48:02,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 01:48:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:03,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 01:48:03,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:48:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 2786 proven. 51 refuted. 0 times theorem prover too weak. 3547 trivial. 0 not checked. [2024-11-12 01:48:03,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:48:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 117 proven. 51 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2024-11-12 01:48:03,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107987258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:48:03,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 01:48:03,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-12 01:48:03,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822063219] [2024-11-12 01:48:03,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 01:48:03,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:48:03,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:48:03,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:48:03,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:48:03,845 INFO L87 Difference]: Start difference. First operand 407 states and 664 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) [2024-11-12 01:48:04,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:48:04,310 INFO L93 Difference]: Finished difference Result 728 states and 1176 transitions. [2024-11-12 01:48:04,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:48:04,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) Word has length 354 [2024-11-12 01:48:04,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:48:04,315 INFO L225 Difference]: With dead ends: 728 [2024-11-12 01:48:04,315 INFO L226 Difference]: Without dead ends: 425 [2024-11-12 01:48:04,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 829 GetRequests, 819 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:48:04,317 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 337 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:48:04,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 397 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 01:48:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-12 01:48:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2024-11-12 01:48:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 241 states have (on average 1.3609958506224067) internal successors, (328), 241 states have internal predecessors, (328), 171 states have call successors, (171), 6 states have call predecessors, (171), 6 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-12 01:48:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 670 transitions. [2024-11-12 01:48:04,380 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 670 transitions. Word has length 354 [2024-11-12 01:48:04,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:48:04,381 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 670 transitions. [2024-11-12 01:48:04,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 4 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (93), 4 states have call predecessors, (93), 4 states have call successors, (93) [2024-11-12 01:48:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 670 transitions. [2024-11-12 01:48:04,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-12 01:48:04,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:48:04,386 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:48:04,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 01:48:04,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:48:04,587 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:48:04,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:48:04,588 INFO L85 PathProgramCache]: Analyzing trace with hash -155042609, now seen corresponding path program 1 times [2024-11-12 01:48:04,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:48:04,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807701649] [2024-11-12 01:48:04,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:04,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:48:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:48:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:48:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:48:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:48:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:48:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:48:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:48:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:48:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:48:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:48:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:48:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 01:48:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 01:48:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 01:48:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 01:48:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 01:48:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 01:48:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 01:48:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 01:48:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:48:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:48:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 01:48:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:48:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 01:48:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 01:48:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:48:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:48:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:48:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:48:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:48:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:48:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:48:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:48:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:48:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:48:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:48:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:48:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:48:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:48:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:48:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 01:48:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:48:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 01:48:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 01:48:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:48:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:48:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:48:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:48:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 01:48:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:48:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 01:48:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:48:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:48:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 01:48:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-12 01:48:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-12 01:48:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-12 01:48:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 51 proven. 279 refuted. 0 times theorem prover too weak. 6054 trivial. 0 not checked. [2024-11-12 01:48:05,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:48:05,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807701649] [2024-11-12 01:48:05,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807701649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 01:48:05,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934789259] [2024-11-12 01:48:05,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:05,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:48:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:48:05,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 01:48:05,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 01:48:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:06,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-12 01:48:06,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:48:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 2039 proven. 279 refuted. 0 times theorem prover too weak. 4066 trivial. 0 not checked. [2024-11-12 01:48:07,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:48:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 51 proven. 282 refuted. 0 times theorem prover too weak. 6051 trivial. 0 not checked. [2024-11-12 01:48:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934789259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:48:08,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 01:48:08,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 11] total 20 [2024-11-12 01:48:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68189624] [2024-11-12 01:48:08,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 01:48:08,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 01:48:08,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:48:08,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 01:48:08,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2024-11-12 01:48:08,964 INFO L87 Difference]: Start difference. First operand 419 states and 670 transitions. Second operand has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 3 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) [2024-11-12 01:48:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:48:12,613 INFO L93 Difference]: Finished difference Result 2027 states and 3160 transitions. [2024-11-12 01:48:12,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-12 01:48:12,615 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 3 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) Word has length 354 [2024-11-12 01:48:12,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:48:12,628 INFO L225 Difference]: With dead ends: 2027 [2024-11-12 01:48:12,629 INFO L226 Difference]: Without dead ends: 1725 [2024-11-12 01:48:12,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 906 GetRequests, 817 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2687 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1452, Invalid=6380, Unknown=0, NotChecked=0, Total=7832 [2024-11-12 01:48:12,635 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 1489 mSDsluCounter, 2061 mSDsCounter, 0 mSdLazyCounter, 2470 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 2387 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 2470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:48:12,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 2387 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 2470 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-12 01:48:12,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-11-12 01:48:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 861. [2024-11-12 01:48:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 595 states have (on average 1.4436974789915966) internal successors, (859), 598 states have internal predecessors, (859), 246 states have call successors, (246), 19 states have call predecessors, (246), 19 states have return successors, (246), 243 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-12 01:48:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1351 transitions. [2024-11-12 01:48:12,772 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1351 transitions. Word has length 354 [2024-11-12 01:48:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:48:12,774 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1351 transitions. [2024-11-12 01:48:12,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 3 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (108), 3 states have call predecessors, (108), 3 states have call successors, (108) [2024-11-12 01:48:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1351 transitions. [2024-11-12 01:48:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-12 01:48:12,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:48:12,779 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:48:12,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 01:48:12,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:48:12,984 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:48:12,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:48:12,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1166159859, now seen corresponding path program 1 times [2024-11-12 01:48:12,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:48:12,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390429143] [2024-11-12 01:48:12,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:48:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:48:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:48:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:48:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:48:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:48:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:48:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:48:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:48:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:48:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:48:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:48:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 01:48:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 01:48:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 01:48:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 01:48:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 01:48:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 01:48:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 01:48:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 01:48:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 01:48:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 01:48:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 01:48:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:48:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 01:48:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 01:48:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 01:48:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:48:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 01:48:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:48:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 01:48:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:48:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 01:48:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:48:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:48:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:48:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:48:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:48:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:48:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:48:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:48:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 01:48:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:48:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 01:48:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 01:48:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:48:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:48:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:48:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:48:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 01:48:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:48:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-12 01:48:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:48:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:48:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-12 01:48:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-12 01:48:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-12 01:48:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-12 01:48:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 318 proven. 168 refuted. 0 times theorem prover too weak. 5898 trivial. 0 not checked. [2024-11-12 01:48:14,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:48:14,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390429143] [2024-11-12 01:48:14,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390429143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 01:48:14,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891361939] [2024-11-12 01:48:14,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:48:14,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:48:14,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:48:14,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 01:48:14,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 01:48:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:48:14,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 01:48:14,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:48:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 3377 proven. 297 refuted. 0 times theorem prover too weak. 2710 trivial. 0 not checked. [2024-11-12 01:48:15,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:48:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 318 proven. 177 refuted. 0 times theorem prover too weak. 5889 trivial. 0 not checked. [2024-11-12 01:48:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891361939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:48:16,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 01:48:16,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 26 [2024-11-12 01:48:16,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131021979] [2024-11-12 01:48:16,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 01:48:16,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-12 01:48:16,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:48:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-12 01:48:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2024-11-12 01:48:16,475 INFO L87 Difference]: Start difference. First operand 861 states and 1351 transitions. Second operand has 26 states, 24 states have (on average 6.166666666666667) internal successors, (148), 23 states have internal predecessors, (148), 9 states have call successors, (101), 4 states have call predecessors, (101), 9 states have return successors, (104), 9 states have call predecessors, (104), 9 states have call successors, (104) [2024-11-12 01:48:23,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:27,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:34,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:37,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:38,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:43,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:48,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:50,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:52,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:56,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:48:58,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:01,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:04,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:07,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:11,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:15,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:19,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:49:23,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []