./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 cad4d7b451aedc3eeb7972a3b18afdd15d9eeb92c7ee5d5c9ec843657b913929 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:48:54,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:48:54,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:48:54,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:48:54,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:48:54,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:48:54,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:48:54,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:48:54,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:48:54,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:48:54,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:48:54,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:48:54,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:48:54,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:48:54,397 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:48:54,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:48:54,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:48:54,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:48:54,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:48:54,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:48:54,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:48:54,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:48:54,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:48:54,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:48:54,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:48:54,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:48:54,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:48:54,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:48:54,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:48:54,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:48:54,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:48:54,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:48:54,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:48:54,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:48:54,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:48:54,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:48:54,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:48:54,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:48:54,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:48:54,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:48:54,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:48:54,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:48:54,408 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad4d7b451aedc3eeb7972a3b18afdd15d9eeb92c7ee5d5c9ec843657b913929 [2024-10-11 09:48:54,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:48:54,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:48:54,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:48:54,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:48:54,743 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:48:54,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-10-11 09:48:56,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:48:56,563 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:48:56,570 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-10-11 09:48:56,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b5c5e24ed/1b2df1f687ed45c9b1a6a78ef6a2b106/FLAG9da122e83 [2024-10-11 09:48:56,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b5c5e24ed/1b2df1f687ed45c9b1a6a78ef6a2b106 [2024-10-11 09:48:56,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:48:56,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:48:56,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:48:56,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:48:56,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:48:56,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:48:56" (1/1) ... [2024-10-11 09:48:56,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d97398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:56, skipping insertion in model container [2024-10-11 09:48:56,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:48:56" (1/1) ... [2024-10-11 09:48:56,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:48:56,836 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i[919,932] [2024-10-11 09:48:56,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:48:56,969 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:48:56,996 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i[919,932] [2024-10-11 09:48:57,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:48:57,082 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:48:57,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57 WrapperNode [2024-10-11 09:48:57,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:48:57,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:48:57,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:48:57,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:48:57,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,161 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-10-11 09:48:57,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:48:57,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:48:57,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:48:57,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:48:57,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,233 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 09:48:57,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:48:57,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:48:57,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:48:57,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:48:57,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (1/1) ... [2024-10-11 09:48:57,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:48:57,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:48:57,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 09:48:57,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 09:48:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:48:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:48:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:48:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:48:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:48:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:48:57,486 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:48:57,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:48:58,022 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 09:48:58,023 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:48:58,062 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:48:58,063 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:48:58,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:48:58 BoogieIcfgContainer [2024-10-11 09:48:58,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:48:58,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:48:58,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:48:58,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:48:58,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:48:56" (1/3) ... [2024-10-11 09:48:58,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a757ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:48:58, skipping insertion in model container [2024-10-11 09:48:58,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:48:57" (2/3) ... [2024-10-11 09:48:58,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a757ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:48:58, skipping insertion in model container [2024-10-11 09:48:58,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:48:58" (3/3) ... [2024-10-11 09:48:58,073 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-10-11 09:48:58,090 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:48:58,090 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:48:58,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:48:58,172 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;@317d11a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:48:58,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:48:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 09:48:58,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 09:48:58,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:48:58,204 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:48:58,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:48:58,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:48:58,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1159573852, now seen corresponding path program 1 times [2024-10-11 09:48:58,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:48:58,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746598349] [2024-10-11 09:48:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:48:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:48:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:48:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:48:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:48:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:48:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:48:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:48:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:48:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:48:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:48:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:48:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:48:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:48:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:48:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:48:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:48:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:48:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:48:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:48:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:48:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:48:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:48:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:48:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:48:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:48:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:48:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:48:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:48:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:48:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:48:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:48:58,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:48:58,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746598349] [2024-10-11 09:48:58,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746598349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:48:58,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:48:58,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:48:58,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516721875] [2024-10-11 09:48:58,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:48:58,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:48:58,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:48:58,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:48:58,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:48:58,891 INFO L87 Difference]: Start difference. First operand has 98 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) 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, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 09:48:58,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:48:58,968 INFO L93 Difference]: Finished difference Result 192 states and 338 transitions. [2024-10-11 09:48:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:48:58,973 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, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2024-10-11 09:48:58,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:48:58,982 INFO L225 Difference]: With dead ends: 192 [2024-10-11 09:48:58,985 INFO L226 Difference]: Without dead ends: 95 [2024-10-11 09:48:58,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:48:58,995 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:48:58,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:48:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-11 09:48:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-11 09:48:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.40625) internal successors, (90), 64 states have internal predecessors, (90), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 09:48:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-10-11 09:48:59,071 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 189 [2024-10-11 09:48:59,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:48:59,075 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-10-11 09:48:59,075 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, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 09:48:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-10-11 09:48:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 09:48:59,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:48:59,084 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:48:59,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:48:59,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:48:59,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:48:59,086 INFO L85 PathProgramCache]: Analyzing trace with hash 819713566, now seen corresponding path program 1 times [2024-10-11 09:48:59,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:48:59,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982118220] [2024-10-11 09:48:59,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:48:59,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:48:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:48:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:48:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:48:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:48:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:48:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:48:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:48:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:48:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:48:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:48:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:48:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:48:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:48:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:48:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:48:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:48:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:48:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:48:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:48:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:48:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:48:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:48:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:48:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:48:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:48:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:48:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:48:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:48:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:48:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:48:59,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:48:59,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982118220] [2024-10-11 09:48:59,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982118220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:48:59,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:48:59,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:48:59,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113853435] [2024-10-11 09:48:59,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:48:59,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:48:59,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:48:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:48:59,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:48:59,476 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:48:59,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:48:59,536 INFO L93 Difference]: Finished difference Result 257 states and 398 transitions. [2024-10-11 09:48:59,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:48:59,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 189 [2024-10-11 09:48:59,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:48:59,544 INFO L225 Difference]: With dead ends: 257 [2024-10-11 09:48:59,547 INFO L226 Difference]: Without dead ends: 163 [2024-10-11 09:48:59,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:48:59,551 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 89 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:48:59,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 343 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:48:59,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-11 09:48:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2024-10-11 09:48:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 107 states have internal predecessors, (146), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 09:48:59,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-10-11 09:48:59,589 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 189 [2024-10-11 09:48:59,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:48:59,590 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-10-11 09:48:59,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:48:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-10-11 09:48:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 09:48:59,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:48:59,594 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:48:59,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:48:59,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:48:59,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:48:59,595 INFO L85 PathProgramCache]: Analyzing trace with hash 876971868, now seen corresponding path program 1 times [2024-10-11 09:48:59,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:48:59,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311599278] [2024-10-11 09:48:59,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:48:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:48:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:48:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:48:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:48:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:48:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:48:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:48:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:48:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:48:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:48:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:48:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:48:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:48:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:48:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:48:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:48:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:48:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:48:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:48:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:48:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:48:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:48:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:48:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:48:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:48:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:48:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:48:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:48:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:48:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:48:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:48:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:48:59,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:48:59,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311599278] [2024-10-11 09:48:59,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311599278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:48:59,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:48:59,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:48:59,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179394448] [2024-10-11 09:48:59,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:48:59,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:48:59,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:48:59,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:48:59,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:48:59,948 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:49:00,006 INFO L93 Difference]: Finished difference Result 321 states and 499 transitions. [2024-10-11 09:49:00,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:49:00,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 189 [2024-10-11 09:49:00,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:49:00,014 INFO L225 Difference]: With dead ends: 321 [2024-10-11 09:49:00,017 INFO L226 Difference]: Without dead ends: 162 [2024-10-11 09:49:00,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:49:00,019 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:49:00,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:49:00,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-11 09:49:00,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-11 09:49:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 109 states have internal predecessors, (148), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 09:49:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 250 transitions. [2024-10-11 09:49:00,048 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 250 transitions. Word has length 189 [2024-10-11 09:49:00,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:49:00,049 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 250 transitions. [2024-10-11 09:49:00,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2024-10-11 09:49:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 09:49:00,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:49:00,059 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:49:00,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:49:00,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:49:00,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:49:00,060 INFO L85 PathProgramCache]: Analyzing trace with hash -711376034, now seen corresponding path program 1 times [2024-10-11 09:49:00,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:49:00,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314725240] [2024-10-11 09:49:00,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:49:00,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:49:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:49:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:49:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:49:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:49:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:49:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:49:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:49:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:49:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:49:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:49:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:49:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:49:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:49:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:49:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:49:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:49:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:49:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:49:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:49:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:49:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:49:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:49:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:49:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:49:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:49:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:49:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:49:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:49:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:49:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:49:00,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:49:00,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314725240] [2024-10-11 09:49:00,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314725240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:49:00,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:49:00,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:49:00,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572236479] [2024-10-11 09:49:00,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:49:00,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:49:00,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:49:00,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:49:00,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:49:00,564 INFO L87 Difference]: Start difference. First operand 162 states and 250 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:49:00,669 INFO L93 Difference]: Finished difference Result 482 states and 746 transitions. [2024-10-11 09:49:00,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:49:00,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 189 [2024-10-11 09:49:00,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:49:00,673 INFO L225 Difference]: With dead ends: 482 [2024-10-11 09:49:00,673 INFO L226 Difference]: Without dead ends: 321 [2024-10-11 09:49:00,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:49:00,677 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 91 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:49:00,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 295 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:49:00,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-11 09:49:00,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2024-10-11 09:49:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 212 states have (on average 1.3679245283018868) internal successors, (290), 214 states have internal predecessors, (290), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-11 09:49:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 494 transitions. [2024-10-11 09:49:00,735 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 494 transitions. Word has length 189 [2024-10-11 09:49:00,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:49:00,738 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 494 transitions. [2024-10-11 09:49:00,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 494 transitions. [2024-10-11 09:49:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 09:49:00,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:49:00,743 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:49:00,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:49:00,743 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:49:00,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:49:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1105900618, now seen corresponding path program 1 times [2024-10-11 09:49:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:49:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824236627] [2024-10-11 09:49:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:49:00,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:49:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:49:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:49:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:49:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:49:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:49:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:49:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:49:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:49:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:49:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:49:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:49:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:49:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:49:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:49:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:49:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:49:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:49:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:49:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:49:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:49:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:49:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:49:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:49:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:49:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:49:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:49:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:49:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:49:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:49:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:49:00,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:49:00,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824236627] [2024-10-11 09:49:00,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824236627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:49:00,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:49:00,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:49:00,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178713589] [2024-10-11 09:49:00,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:49:00,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:49:00,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:49:00,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:49:00,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:49:00,983 INFO L87 Difference]: Start difference. First operand 319 states and 494 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:01,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:49:01,059 INFO L93 Difference]: Finished difference Result 637 states and 987 transitions. [2024-10-11 09:49:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:49:01,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 190 [2024-10-11 09:49:01,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:49:01,063 INFO L225 Difference]: With dead ends: 637 [2024-10-11 09:49:01,063 INFO L226 Difference]: Without dead ends: 319 [2024-10-11 09:49:01,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:49:01,065 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:49:01,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 272 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:49:01,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-10-11 09:49:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317. [2024-10-11 09:49:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 210 states have (on average 1.3523809523809525) internal successors, (284), 212 states have internal predecessors, (284), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-11 09:49:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 488 transitions. [2024-10-11 09:49:01,116 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 488 transitions. Word has length 190 [2024-10-11 09:49:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:49:01,119 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 488 transitions. [2024-10-11 09:49:01,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 488 transitions. [2024-10-11 09:49:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 09:49:01,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:49:01,121 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:49:01,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:49:01,122 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:49:01,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:49:01,122 INFO L85 PathProgramCache]: Analyzing trace with hash -482447284, now seen corresponding path program 1 times [2024-10-11 09:49:01,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:49:01,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254643139] [2024-10-11 09:49:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:49:01,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:49:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:49:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:49:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:49:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:49:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:49:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:49:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:49:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:49:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:49:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:49:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:49:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:49:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:49:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:49:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:49:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:49:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:49:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:49:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:49:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:49:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:49:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:49:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:49:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:49:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:49:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:49:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:49:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:49:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:49:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:49:46,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:49:46,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254643139] [2024-10-11 09:49:46,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254643139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:49:46,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:49:46,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:49:46,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941362383] [2024-10-11 09:49:46,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:49:46,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:49:46,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:49:46,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:49:46,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:49:46,144 INFO L87 Difference]: Start difference. First operand 317 states and 488 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:49:47,334 INFO L93 Difference]: Finished difference Result 798 states and 1207 transitions. [2024-10-11 09:49:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:49:47,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 190 [2024-10-11 09:49:47,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:49:47,340 INFO L225 Difference]: With dead ends: 798 [2024-10-11 09:49:47,340 INFO L226 Difference]: Without dead ends: 639 [2024-10-11 09:49:47,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:49:47,342 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 146 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 09:49:47,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 629 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 09:49:47,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-10-11 09:49:47,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 391. [2024-10-11 09:49:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 284 states have (on average 1.3908450704225352) internal successors, (395), 286 states have internal predecessors, (395), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-11 09:49:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 599 transitions. [2024-10-11 09:49:47,385 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 599 transitions. Word has length 190 [2024-10-11 09:49:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:49:47,387 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 599 transitions. [2024-10-11 09:49:47,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 599 transitions. [2024-10-11 09:49:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 09:49:47,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:49:47,390 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:49:47,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:49:47,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:49:47,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:49:47,391 INFO L85 PathProgramCache]: Analyzing trace with hash -875474294, now seen corresponding path program 1 times [2024-10-11 09:49:47,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:49:47,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851476606] [2024-10-11 09:49:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:49:47,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:49:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:49:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:49:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:49:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:49:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:49:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:49:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:49:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:49:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:49:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:49:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:49:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:49:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:49:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:49:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:49:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:49:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:49:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:49:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:49:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:49:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:49:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:49:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 09:49:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:49:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:49:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:49:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:49:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:49:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:49:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:49:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-11 09:49:47,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:49:47,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851476606] [2024-10-11 09:49:47,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851476606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:49:47,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:49:47,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:49:47,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573599331] [2024-10-11 09:49:47,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:49:47,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:49:47,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:49:47,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:49:47,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:49:47,591 INFO L87 Difference]: Start difference. First operand 391 states and 599 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:49:47,959 INFO L93 Difference]: Finished difference Result 1713 states and 2625 transitions. [2024-10-11 09:49:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 09:49:47,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 190 [2024-10-11 09:49:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:49:47,968 INFO L225 Difference]: With dead ends: 1713 [2024-10-11 09:49:47,969 INFO L226 Difference]: Without dead ends: 1323 [2024-10-11 09:49:47,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 09:49:47,972 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 459 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:49:47,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 543 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 09:49:47,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2024-10-11 09:49:48,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 785. [2024-10-11 09:49:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 572 states have (on average 1.3741258741258742) internal successors, (786), 576 states have internal predecessors, (786), 204 states have call successors, (204), 8 states have call predecessors, (204), 8 states have return successors, (204), 200 states have call predecessors, (204), 204 states have call successors, (204) [2024-10-11 09:49:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1194 transitions. [2024-10-11 09:49:48,066 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1194 transitions. Word has length 190 [2024-10-11 09:49:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:49:48,066 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1194 transitions. [2024-10-11 09:49:48,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-11 09:49:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1194 transitions. [2024-10-11 09:49:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 09:49:48,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:49:48,069 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:49:48,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 09:49:48,070 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:49:48,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:49:48,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1762310962, now seen corresponding path program 1 times [2024-10-11 09:49:48,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:49:48,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182854297] [2024-10-11 09:49:48,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:49:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:49:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat