./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.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_operatoramount_amount250_file-28.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 3fb6d49eff13d62236c26c76112d3edbdbe5247c358b6cacd9ecacff32cf6529 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:17:25,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:17:25,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:17:25,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:17:25,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:17:25,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:17:25,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:17:25,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:17:25,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:17:25,708 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:17:25,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:17:25,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:17:25,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:17:25,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:17:25,710 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:17:25,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:17:25,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:17:25,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:17:25,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:17:25,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:17:25,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:17:25,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:17:25,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:17:25,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:17:25,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:17:25,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:17:25,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:17:25,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:17:25,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:17:25,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:17:25,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:17:25,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:17:25,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:17:25,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:17:25,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:17:25,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:17:25,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:17:25,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:17:25,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:17:25,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:17:25,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:17:25,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:17:25,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fb6d49eff13d62236c26c76112d3edbdbe5247c358b6cacd9ecacff32cf6529 [2024-11-12 06:17:26,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:17:26,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:17:26,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:17:26,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:17:26,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:17:26,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i [2024-11-12 06:17:27,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:17:27,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:17:27,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-28.i [2024-11-12 06:17:28,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157cce953/0cd8891180354fbe910d883eb96f6a20/FLAGaaef1bfe7 [2024-11-12 06:17:28,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157cce953/0cd8891180354fbe910d883eb96f6a20 [2024-11-12 06:17:28,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:17:28,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:17:28,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:17:28,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:17:28,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:17:28,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:28,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25545c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28, skipping insertion in model container [2024-11-12 06:17:28,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:28,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:17:28,591 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_operatoramount_amount250_file-28.i[916,929] [2024-11-12 06:17:28,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:17:28,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:17:28,814 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_operatoramount_amount250_file-28.i[916,929] [2024-11-12 06:17:28,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:17:28,975 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:17:28,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28 WrapperNode [2024-11-12 06:17:28,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:17:28,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:17:28,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:17:28,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:17:28,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,107 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2024-11-12 06:17:29,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:17:29,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:17:29,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:17:29,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:17:29,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,247 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 06:17:29,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:17:29,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:17:29,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:17:29,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:17:29,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (1/1) ... [2024-11-12 06:17:29,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:17:29,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:29,382 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 06:17:29,386 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 06:17:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:17:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:17:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:17:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:17:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:17:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:17:29,560 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:17:29,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:17:30,607 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-12 06:17:30,608 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:17:30,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:17:30,633 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:17:30,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:17:30 BoogieIcfgContainer [2024-11-12 06:17:30,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:17:30,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:17:30,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:17:30,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:17:30,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:17:28" (1/3) ... [2024-11-12 06:17:30,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b0f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:17:30, skipping insertion in model container [2024-11-12 06:17:30,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:28" (2/3) ... [2024-11-12 06:17:30,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b0f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:17:30, skipping insertion in model container [2024-11-12 06:17:30,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:17:30" (3/3) ... [2024-11-12 06:17:30,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-28.i [2024-11-12 06:17:30,664 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:17:30,665 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:17:30,756 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:17:30,767 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;@280aed20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:17:30,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:17:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 126 states have (on average 1.5158730158730158) internal successors, (191), 127 states have internal predecessors, (191), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:17:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-12 06:17:30,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:30,798 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:30,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:30,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2037227511, now seen corresponding path program 1 times [2024-11-12 06:17:30,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:30,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398320463] [2024-11-12 06:17:30,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:30,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:17:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:17:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:17:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:17:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 06:17:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:17:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:17:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:17:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:17:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:17:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:17:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:17:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:17:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 06:17:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:17:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 06:17:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:17:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 06:17:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:17:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:17:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:17:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 06:17:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:17:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 06:17:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:17:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 06:17:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:17:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 06:17:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:17:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 06:17:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:17:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 06:17:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:17:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 06:17:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:17:31,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:31,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398320463] [2024-11-12 06:17:31,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398320463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:31,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:31,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:17:31,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964070233] [2024-11-12 06:17:31,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:31,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:17:31,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:17:31,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:17:31,750 INFO L87 Difference]: Start difference. First operand has 172 states, 126 states have (on average 1.5158730158730158) internal successors, (191), 127 states have internal predecessors, (191), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-12 06:17:31,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:31,801 INFO L93 Difference]: Finished difference Result 337 states and 591 transitions. [2024-11-12 06:17:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:17:31,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 297 [2024-11-12 06:17:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:31,818 INFO L225 Difference]: With dead ends: 337 [2024-11-12 06:17:31,818 INFO L226 Difference]: Without dead ends: 168 [2024-11-12 06:17:31,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:17:31,833 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:31,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:17:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-12 06:17:31,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-12 06:17:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 123 states have (on average 1.4959349593495934) internal successors, (184), 123 states have internal predecessors, (184), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:17:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 270 transitions. [2024-11-12 06:17:31,905 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 270 transitions. Word has length 297 [2024-11-12 06:17:31,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:31,906 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 270 transitions. [2024-11-12 06:17:31,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-12 06:17:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 270 transitions. [2024-11-12 06:17:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-12 06:17:31,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:31,915 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:31,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:17:31,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:31,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:31,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1759020349, now seen corresponding path program 1 times [2024-11-12 06:17:31,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:31,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292171370] [2024-11-12 06:17:31,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:31,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:17:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:17:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:17:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:17:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 06:17:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:17:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:17:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:17:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:17:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:17:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:17:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:17:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:17:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 06:17:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:17:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 06:17:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:17:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 06:17:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:17:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:17:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:17:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 06:17:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:17:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 06:17:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:17:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 06:17:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:17:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 06:17:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:17:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 06:17:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:17:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 06:17:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:17:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 06:17:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:17:33,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:33,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292171370] [2024-11-12 06:17:33,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292171370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:33,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:33,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:17:33,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163554931] [2024-11-12 06:17:33,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:33,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:17:33,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:17:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:17:33,655 INFO L87 Difference]: Start difference. First operand 168 states and 270 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:17:34,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:34,128 INFO L93 Difference]: Finished difference Result 447 states and 717 transitions. [2024-11-12 06:17:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:17:34,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 297 [2024-11-12 06:17:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:34,140 INFO L225 Difference]: With dead ends: 447 [2024-11-12 06:17:34,140 INFO L226 Difference]: Without dead ends: 282 [2024-11-12 06:17:34,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:17:34,147 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 179 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:34,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 684 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 06:17:34,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-12 06:17:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 187. [2024-11-12 06:17:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 142 states have (on average 1.5140845070422535) internal successors, (215), 142 states have internal predecessors, (215), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:17:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 301 transitions. [2024-11-12 06:17:34,182 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 301 transitions. Word has length 297 [2024-11-12 06:17:34,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:34,187 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 301 transitions. [2024-11-12 06:17:34,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:17:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 301 transitions. [2024-11-12 06:17:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-12 06:17:34,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:34,200 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:34,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:17:34,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:34,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1721086533, now seen corresponding path program 1 times [2024-11-12 06:17:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:34,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011566326] [2024-11-12 06:17:34,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:34,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:17:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:17:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:17:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:17:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 06:17:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:17:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:17:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:17:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:17:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:17:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:17:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:17:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:17:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 06:17:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:17:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 06:17:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:17:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 06:17:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:17:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:17:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:17:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 06:17:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:17:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 06:17:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:17:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 06:17:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:17:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 06:17:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:17:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 06:17:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:17:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 06:17:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:17:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 06:17:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:17:35,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:35,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011566326] [2024-11-12 06:17:35,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011566326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:35,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:35,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:17:35,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188742299] [2024-11-12 06:17:35,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:35,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:17:35,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:35,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:17:35,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:17:35,224 INFO L87 Difference]: Start difference. First operand 187 states and 301 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:17:35,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:35,625 INFO L93 Difference]: Finished difference Result 485 states and 779 transitions. [2024-11-12 06:17:35,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:17:35,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 297 [2024-11-12 06:17:35,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:35,630 INFO L225 Difference]: With dead ends: 485 [2024-11-12 06:17:35,634 INFO L226 Difference]: Without dead ends: 301 [2024-11-12 06:17:35,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:17:35,637 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 209 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:35,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 711 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:17:35,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-12 06:17:35,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 187. [2024-11-12 06:17:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 142 states have (on average 1.5140845070422535) internal successors, (215), 142 states have internal predecessors, (215), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:17:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 301 transitions. [2024-11-12 06:17:35,679 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 301 transitions. Word has length 297 [2024-11-12 06:17:35,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:35,683 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 301 transitions. [2024-11-12 06:17:35,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:17:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 301 transitions. [2024-11-12 06:17:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-12 06:17:35,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:35,691 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:35,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:17:35,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:35,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1298384707, now seen corresponding path program 1 times [2024-11-12 06:17:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534550743] [2024-11-12 06:17:35,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:17:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:17:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 06:17:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:17:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 06:17:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:17:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:17:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:17:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:17:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:17:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:17:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:17:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:17:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 06:17:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 06:17:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 06:17:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 06:17:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 06:17:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 06:17:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:17:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:17:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 06:17:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 06:17:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 06:17:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 06:17:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 06:17:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 06:17:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 06:17:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 06:17:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 06:17:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 06:17:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 06:17:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 06:17:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 06:17:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 30 proven. 96 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-12 06:17:37,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534550743] [2024-11-12 06:17:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534550743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:17:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300045553] [2024-11-12 06:17:37,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:37,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:17:37,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:37,749 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 06:17:37,751 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 06:17:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:38,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 06:17:38,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:17:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 588 proven. 9 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2024-11-12 06:17:38,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:17:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 117 proven. 9 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-12 06:17:38,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300045553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:17:38,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:17:38,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-11-12 06:17:38,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542510351] [2024-11-12 06:17:38,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:17:38,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:17:38,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:38,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:17:38,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:17:38,723 INFO L87 Difference]: Start difference. First operand 187 states and 301 transitions. Second operand has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 4 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2024-11-12 06:17:39,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:39,287 INFO L93 Difference]: Finished difference Result 383 states and 609 transitions. [2024-11-12 06:17:39,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 06:17:39,289 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 4 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) Word has length 297 [2024-11-12 06:17:39,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:39,292 INFO L225 Difference]: With dead ends: 383 [2024-11-12 06:17:39,292 INFO L226 Difference]: Without dead ends: 199 [2024-11-12 06:17:39,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-12 06:17:39,298 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 291 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:39,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 737 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 06:17:39,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-12 06:17:39,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2024-11-12 06:17:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 148 states have (on average 1.4662162162162162) internal successors, (217), 148 states have internal predecessors, (217), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:17:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 303 transitions. [2024-11-12 06:17:39,330 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 303 transitions. Word has length 297 [2024-11-12 06:17:39,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:39,331 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 303 transitions. [2024-11-12 06:17:39,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 4 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2024-11-12 06:17:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 303 transitions. [2024-11-12 06:17:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-12 06:17:39,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:39,338 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:39,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 06:17:39,542 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 06:17:39,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:39,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:39,544 INFO L85 PathProgramCache]: Analyzing trace with hash 631795756, now seen corresponding path program 1 times [2024-11-12 06:17:39,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:39,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488027137] [2024-11-12 06:17:39,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:39,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat