./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-33.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 5c234e2fefe11c7ac0093946cc9cf5ef419837c81c25df397f2c3f9610af0164 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 22:03:28,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:03:28,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 22:03:28,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:03:28,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 22:03:28,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:03:28,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 22:03:28,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 22:03:28,157 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 22:03:28,158 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 22:03:28,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:03:28,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 22:03:28,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:03:28,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:03:28,161 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 22:03:28,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:03:28,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:03:28,164 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:03:28,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:03:28,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:03:28,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:03:28,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:03:28,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:03:28,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:03:28,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:03:28,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:03:28,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:03:28,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:03:28,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:03:28,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 22:03:28,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 22:03:28,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 22:03:28,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:03:28,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:03:28,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:03:28,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:03:28,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 22:03:28,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:03:28,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 22:03:28,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 22:03:28,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 22:03:28,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 22:03:28,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c234e2fefe11c7ac0093946cc9cf5ef419837c81c25df397f2c3f9610af0164 [2024-11-08 22:03:28,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:03:28,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:03:28,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:03:28,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:03:28,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:03:28,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-33.i [2024-11-08 22:03:29,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:03:30,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:03:30,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-33.i [2024-11-08 22:03:30,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022150172/4a4103891f114eab92f97ad8cca164f3/FLAG262081e89 [2024-11-08 22:03:30,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022150172/4a4103891f114eab92f97ad8cca164f3 [2024-11-08 22:03:30,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:03:30,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:03:30,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:03:30,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:03:30,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:03:30,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea16bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30, skipping insertion in model container [2024-11-08 22:03:30,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:03:30,414 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-33.i[919,932] [2024-11-08 22:03:30,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:03:30,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:03:30,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-33.i[919,932] [2024-11-08 22:03:30,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:03:30,581 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:03:30,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30 WrapperNode [2024-11-08 22:03:30,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:03:30,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:03:30,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:03:30,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:03:30,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,645 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2024-11-08 22:03:30,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:03:30,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:03:30,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:03:30,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:03:30,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,711 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]. [2024-11-08 22:03:30,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:03:30,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:03:30,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:03:30,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:03:30,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (1/1) ... [2024-11-08 22:03:30,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:03:30,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 22:03:30,811 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) [2024-11-08 22:03:30,814 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 [2024-11-08 22:03:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:03:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:03:30,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:03:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 22:03:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:03:30,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:03:30,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:03:30,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:03:31,365 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 22:03:31,365 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:03:31,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:03:31,385 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:03:31,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:03:31 BoogieIcfgContainer [2024-11-08 22:03:31,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:03:31,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 22:03:31,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 22:03:31,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 22:03:31,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 10:03:30" (1/3) ... [2024-11-08 22:03:31,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20462210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:03:31, skipping insertion in model container [2024-11-08 22:03:31,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:03:30" (2/3) ... [2024-11-08 22:03:31,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20462210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:03:31, skipping insertion in model container [2024-11-08 22:03:31,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:03:31" (3/3) ... [2024-11-08 22:03:31,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-33.i [2024-11-08 22:03:31,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 22:03:31,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 22:03:31,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 22:03:31,485 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;@4db6453a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 22:03:31,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 22:03:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 22:03:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 22:03:31,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:31,511 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:31,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:31,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:31,517 INFO L85 PathProgramCache]: Analyzing trace with hash 962189530, now seen corresponding path program 1 times [2024-11-08 22:03:31,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:31,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066642833] [2024-11-08 22:03:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:31,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:03:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:03:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:03:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:03:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:03:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:03:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:03:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:03:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:03:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:03:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:03:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:03:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:03:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:03:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:03:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:03:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:03:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:03:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:03:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:03:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:31,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:03:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:03:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:03:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:03:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:03:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:03:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:03:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:03:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:03:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:03:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:03:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:03:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:03:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:03:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:03:32,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:03:32,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066642833] [2024-11-08 22:03:32,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066642833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:03:32,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:03:32,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 22:03:32,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304825682] [2024-11-08 22:03:32,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:03:32,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 22:03:32,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:03:32,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 22:03:32,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:03:32,126 INFO L87 Difference]: Start difference. First operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 22:03:32,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:03:32,232 INFO L93 Difference]: Finished difference Result 193 states and 342 transitions. [2024-11-08 22:03:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 22:03:32,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2024-11-08 22:03:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:03:32,243 INFO L225 Difference]: With dead ends: 193 [2024-11-08 22:03:32,243 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 22:03:32,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:03:32,251 INFO L432 NwaCegarLoop]: 144 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, 144 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 [2024-11-08 22:03:32,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:03:32,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 22:03:32,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-08 22:03:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 59 states have internal predecessors, (76), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 22:03:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 144 transitions. [2024-11-08 22:03:32,302 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 144 transitions. Word has length 214 [2024-11-08 22:03:32,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:03:32,303 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 144 transitions. [2024-11-08 22:03:32,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 22:03:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2024-11-08 22:03:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 22:03:32,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:32,308 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:32,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 22:03:32,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:32,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash 620498464, now seen corresponding path program 1 times [2024-11-08 22:03:32,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:32,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524264805] [2024-11-08 22:03:32,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:32,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:03:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:03:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:03:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:03:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:03:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:03:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:03:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:03:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:03:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:03:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:03:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:03:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:03:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:03:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:03:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:03:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:03:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:03:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:03:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:03:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:03:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:03:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:03:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:03:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:03:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:03:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:03:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:03:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:03:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:03:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:03:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:03:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:03:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:03:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:03:33,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:03:33,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524264805] [2024-11-08 22:03:33,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524264805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:03:33,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:03:33,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:03:33,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976286764] [2024-11-08 22:03:33,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:03:33,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:03:33,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:03:33,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:03:33,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:03:33,011 INFO L87 Difference]: Start difference. First operand 95 states and 144 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 22:03:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:03:33,139 INFO L93 Difference]: Finished difference Result 267 states and 411 transitions. [2024-11-08 22:03:33,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:03:33,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2024-11-08 22:03:33,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:03:33,146 INFO L225 Difference]: With dead ends: 267 [2024-11-08 22:03:33,147 INFO L226 Difference]: Without dead ends: 175 [2024-11-08 22:03:33,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:03:33,150 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 88 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:03:33,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 396 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:03:33,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-08 22:03:33,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-08 22:03:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 101 states have (on average 1.2772277227722773) internal successors, (129), 101 states have internal predecessors, (129), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:03:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 265 transitions. [2024-11-08 22:03:33,204 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 265 transitions. Word has length 214 [2024-11-08 22:03:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:03:33,205 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 265 transitions. [2024-11-08 22:03:33,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 22:03:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 265 transitions. [2024-11-08 22:03:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 22:03:33,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:33,210 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:33,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 22:03:33,211 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:33,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2016827840, now seen corresponding path program 1 times [2024-11-08 22:03:33,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218932617] [2024-11-08 22:03:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:33,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:03:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:03:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:03:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:03:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:03:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:03:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:03:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:03:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:03:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:03:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:03:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:03:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:03:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:03:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:03:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:03:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:03:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:03:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:03:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:03:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:03:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:03:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:03:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:03:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:03:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:03:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:03:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:03:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:03:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:03:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:03:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:03:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:03:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:03:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:03:34,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:03:34,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218932617] [2024-11-08 22:03:34,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218932617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:03:34,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:03:34,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:03:34,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6298329] [2024-11-08 22:03:34,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:03:34,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:03:34,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:03:34,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:03:34,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:03:34,234 INFO L87 Difference]: Start difference. First operand 172 states and 265 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:34,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:03:34,682 INFO L93 Difference]: Finished difference Result 302 states and 460 transitions. [2024-11-08 22:03:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:03:34,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-08 22:03:34,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:03:34,688 INFO L225 Difference]: With dead ends: 302 [2024-11-08 22:03:34,692 INFO L226 Difference]: Without dead ends: 193 [2024-11-08 22:03:34,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:03:34,694 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 93 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 22:03:34,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 360 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 22:03:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-08 22:03:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2024-11-08 22:03:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 107 states have (on average 1.2710280373831775) internal successors, (136), 107 states have internal predecessors, (136), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:03:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 272 transitions. [2024-11-08 22:03:34,742 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 272 transitions. Word has length 215 [2024-11-08 22:03:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:03:34,743 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 272 transitions. [2024-11-08 22:03:34,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:34,744 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2024-11-08 22:03:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 22:03:34,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:34,754 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:34,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 22:03:34,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:34,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1625840135, now seen corresponding path program 1 times [2024-11-08 22:03:34,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:34,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933940409] [2024-11-08 22:03:34,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:34,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:03:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:03:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:03:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:03:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:03:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:03:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:03:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:03:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:03:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:03:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:03:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:03:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:03:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:03:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:03:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:03:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:03:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:03:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:03:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:03:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:03:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:03:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:03:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:03:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:03:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:03:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:03:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:03:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:03:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:03:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:03:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:03:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:03:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:03:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:03:35,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:03:35,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933940409] [2024-11-08 22:03:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933940409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:03:35,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:03:35,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:03:35,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096520192] [2024-11-08 22:03:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:03:35,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:03:35,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:03:35,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:03:35,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:03:35,275 INFO L87 Difference]: Start difference. First operand 178 states and 272 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:03:35,549 INFO L93 Difference]: Finished difference Result 303 states and 458 transitions. [2024-11-08 22:03:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:03:35,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-08 22:03:35,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:03:35,552 INFO L225 Difference]: With dead ends: 303 [2024-11-08 22:03:35,552 INFO L226 Difference]: Without dead ends: 188 [2024-11-08 22:03:35,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:03:35,554 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 90 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 22:03:35,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 370 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 22:03:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-08 22:03:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 179. [2024-11-08 22:03:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 108 states have (on average 1.2592592592592593) internal successors, (136), 108 states have internal predecessors, (136), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:03:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 272 transitions. [2024-11-08 22:03:35,586 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 272 transitions. Word has length 216 [2024-11-08 22:03:35,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:03:35,587 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 272 transitions. [2024-11-08 22:03:35,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 272 transitions. [2024-11-08 22:03:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 22:03:35,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:35,590 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:35,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 22:03:35,590 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:35,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:35,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1976243485, now seen corresponding path program 1 times [2024-11-08 22:03:35,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:35,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536360659] [2024-11-08 22:03:35,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:35,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:03:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:03:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:03:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:03:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:03:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:03:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:03:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:03:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:03:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:03:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:03:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:03:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:03:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:03:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:03:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:03:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:03:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:03:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:03:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:03:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:03:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:03:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:03:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:03:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:03:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:03:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:03:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:03:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:03:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:03:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:03:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:03:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:03:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:03:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:03:36,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:03:36,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536360659] [2024-11-08 22:03:36,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536360659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:03:36,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:03:36,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 22:03:36,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059652090] [2024-11-08 22:03:36,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:03:36,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 22:03:36,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:03:36,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 22:03:36,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:03:36,355 INFO L87 Difference]: Start difference. First operand 179 states and 272 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:36,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:03:36,785 INFO L93 Difference]: Finished difference Result 299 states and 454 transitions. [2024-11-08 22:03:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:03:36,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-08 22:03:36,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:03:36,788 INFO L225 Difference]: With dead ends: 299 [2024-11-08 22:03:36,788 INFO L226 Difference]: Without dead ends: 188 [2024-11-08 22:03:36,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 22:03:36,790 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 83 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:03:36,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 417 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 22:03:36,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-08 22:03:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 179. [2024-11-08 22:03:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 108 states have (on average 1.25) internal successors, (135), 108 states have internal predecessors, (135), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:03:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 271 transitions. [2024-11-08 22:03:36,840 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 271 transitions. Word has length 217 [2024-11-08 22:03:36,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:03:36,841 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 271 transitions. [2024-11-08 22:03:36,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 271 transitions. [2024-11-08 22:03:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 22:03:36,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:36,846 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:36,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 22:03:36,847 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:36,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash 629780069, now seen corresponding path program 1 times [2024-11-08 22:03:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:36,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715537423] [2024-11-08 22:03:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:36,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:03:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:03:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:03:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:03:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:03:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:03:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:03:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:03:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:03:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:03:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:03:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:03:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:03:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:03:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:03:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:03:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:03:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:03:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:03:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:03:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:03:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:03:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:03:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:03:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:03:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:03:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:03:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:03:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:03:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:03:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:03:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:03:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:03:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:03:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:03:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:03:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:03:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715537423] [2024-11-08 22:03:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715537423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:03:41,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:03:41,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 22:03:41,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646323086] [2024-11-08 22:03:41,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:03:41,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 22:03:41,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:03:41,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 22:03:41,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 22:03:41,372 INFO L87 Difference]: Start difference. First operand 179 states and 271 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:03:42,929 INFO L93 Difference]: Finished difference Result 367 states and 530 transitions. [2024-11-08 22:03:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 22:03:42,930 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-08 22:03:42,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:03:42,935 INFO L225 Difference]: With dead ends: 367 [2024-11-08 22:03:42,936 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 22:03:42,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-08 22:03:42,937 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 429 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 22:03:42,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 568 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 22:03:42,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 22:03:42,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 188. [2024-11-08 22:03:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 117 states have (on average 1.2478632478632479) internal successors, (146), 117 states have internal predecessors, (146), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:03:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 282 transitions. [2024-11-08 22:03:42,967 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 282 transitions. Word has length 217 [2024-11-08 22:03:42,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:03:42,968 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 282 transitions. [2024-11-08 22:03:42,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:03:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 282 transitions. [2024-11-08 22:03:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 22:03:42,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:03:42,972 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:03:42,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 22:03:42,972 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:03:42,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:03:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash 887945507, now seen corresponding path program 1 times [2024-11-08 22:03:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:03:42,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370688052] [2024-11-08 22:03:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:03:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:03:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat