./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-46.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b28318b64c584c946b04c5086a6c24adb23afe0fc28f8c52df4df9b28156611e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:40:00,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:40:00,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:40:00,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:40:00,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:40:00,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:40:00,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:40:00,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:40:00,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:40:00,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:40:00,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:40:00,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:40:00,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:40:00,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:40:00,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:40:00,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:40:00,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:40:00,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:40:00,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:40:00,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:40:00,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:40:00,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:40:00,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:40:00,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:40:00,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:40:00,681 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:40:00,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:40:00,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:40:00,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:40:00,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:40:00,682 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:40:00,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:40:00,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:40:00,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:40:00,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:40:00,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:40:00,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:40:00,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:40:00,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:40:00,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:40:00,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:40:00,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:40:00,686 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28318b64c584c946b04c5086a6c24adb23afe0fc28f8c52df4df9b28156611e [2024-11-09 00:40:00,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:40:00,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:40:00,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:40:00,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:40:00,966 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:40:00,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-46.i [2024-11-09 00:40:02,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:40:02,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:40:02,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-46.i [2024-11-09 00:40:02,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e866ad177/1463e1d986bd4519bfe1c8007d6b406d/FLAGacbbe72ec [2024-11-09 00:40:02,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e866ad177/1463e1d986bd4519bfe1c8007d6b406d [2024-11-09 00:40:02,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:40:02,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:40:02,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:02,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:40:02,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:40:02,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:02" (1/1) ... [2024-11-09 00:40:02,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faff980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:02, skipping insertion in model container [2024-11-09 00:40:02,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:02" (1/1) ... [2024-11-09 00:40:02,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:40:03,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-46.i[916,929] [2024-11-09 00:40:03,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:03,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:40:03,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-46.i[916,929] [2024-11-09 00:40:03,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:03,494 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:40:03,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03 WrapperNode [2024-11-09 00:40:03,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:03,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:03,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:40:03,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:40:03,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,605 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2024-11-09 00:40:03,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:03,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:40:03,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:40:03,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:40:03,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,681 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:40:03,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:40:03,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:40:03,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:40:03,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:40:03,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (1/1) ... [2024-11-09 00:40:03,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:40:03,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:03,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:40:03,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:40:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:40:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:40:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:40:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:40:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:40:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:40:03,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:40:03,965 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:40:04,810 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-09 00:40:04,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:40:04,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:40:04,832 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:40:04,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:04 BoogieIcfgContainer [2024-11-09 00:40:04,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:40:04,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:40:04,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:40:04,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:40:04,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:40:02" (1/3) ... [2024-11-09 00:40:04,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b06f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:40:04, skipping insertion in model container [2024-11-09 00:40:04,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:03" (2/3) ... [2024-11-09 00:40:04,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b06f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:40:04, skipping insertion in model container [2024-11-09 00:40:04,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:04" (3/3) ... [2024-11-09 00:40:04,843 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-46.i [2024-11-09 00:40:04,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:40:04,859 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:40:04,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:40:04,939 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;@49222e5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:40:04,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:40:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 116 states have (on average 1.4224137931034482) internal successors, (165), 117 states have internal predecessors, (165), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 00:40:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-09 00:40:04,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:04,967 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:04,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:04,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1354044998, now seen corresponding path program 1 times [2024-11-09 00:40:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:04,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523151959] [2024-11-09 00:40:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:04,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-09 00:40:05,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:05,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523151959] [2024-11-09 00:40:05,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523151959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:05,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:05,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:40:05,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187176878] [2024-11-09 00:40:05,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:05,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:40:05,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:40:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:40:05,945 INFO L87 Difference]: Start difference. First operand has 175 states, 116 states have (on average 1.4224137931034482) internal successors, (165), 117 states have internal predecessors, (165), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-09 00:40:06,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:06,002 INFO L93 Difference]: Finished difference Result 343 states and 604 transitions. [2024-11-09 00:40:06,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:40:06,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 365 [2024-11-09 00:40:06,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:06,018 INFO L225 Difference]: With dead ends: 343 [2024-11-09 00:40:06,019 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 00:40:06,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:40:06,028 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:06,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:40:06,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 00:40:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-09 00:40:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 113 states have (on average 1.3982300884955752) internal successors, (158), 113 states have internal predecessors, (158), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 00:40:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 270 transitions. [2024-11-09 00:40:06,108 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 270 transitions. Word has length 365 [2024-11-09 00:40:06,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:06,111 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 270 transitions. [2024-11-09 00:40:06,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-09 00:40:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 270 transitions. [2024-11-09 00:40:06,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-09 00:40:06,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:06,127 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:06,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:40:06,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:06,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1931229902, now seen corresponding path program 1 times [2024-11-09 00:40:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:06,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2192213] [2024-11-09 00:40:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:06,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-09 00:40:06,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2192213] [2024-11-09 00:40:06,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2192213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:06,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:06,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:40:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000732224] [2024-11-09 00:40:06,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:06,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:40:06,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:06,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:40:06,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:40:06,734 INFO L87 Difference]: Start difference. First operand 171 states and 270 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:06,785 INFO L93 Difference]: Finished difference Result 340 states and 539 transitions. [2024-11-09 00:40:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:40:06,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 365 [2024-11-09 00:40:06,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:06,794 INFO L225 Difference]: With dead ends: 340 [2024-11-09 00:40:06,794 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 00:40:06,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:40:06,796 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:06,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 531 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:40:06,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 00:40:06,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-09 00:40:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 114 states have (on average 1.394736842105263) internal successors, (159), 114 states have internal predecessors, (159), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 00:40:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 271 transitions. [2024-11-09 00:40:06,824 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 271 transitions. Word has length 365 [2024-11-09 00:40:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:06,827 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 271 transitions. [2024-11-09 00:40:06,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 271 transitions. [2024-11-09 00:40:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-09 00:40:06,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:06,837 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:06,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:40:06,837 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:06,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:06,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1854264304, now seen corresponding path program 1 times [2024-11-09 00:40:06,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:06,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715999280] [2024-11-09 00:40:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-09 00:40:09,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:09,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715999280] [2024-11-09 00:40:09,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715999280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:09,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:09,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:40:09,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56751643] [2024-11-09 00:40:09,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:09,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:40:09,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:09,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:40:09,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:40:09,132 INFO L87 Difference]: Start difference. First operand 172 states and 271 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:09,971 INFO L93 Difference]: Finished difference Result 586 states and 922 transitions. [2024-11-09 00:40:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:40:09,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 365 [2024-11-09 00:40:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:09,977 INFO L225 Difference]: With dead ends: 586 [2024-11-09 00:40:09,977 INFO L226 Difference]: Without dead ends: 417 [2024-11-09 00:40:09,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-09 00:40:09,980 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 397 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:09,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1094 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 00:40:09,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-09 00:40:10,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 315. [2024-11-09 00:40:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 199 states have (on average 1.3768844221105527) internal successors, (274), 199 states have internal predecessors, (274), 112 states have call successors, (112), 3 states have call predecessors, (112), 3 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 00:40:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 498 transitions. [2024-11-09 00:40:10,061 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 498 transitions. Word has length 365 [2024-11-09 00:40:10,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:10,063 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 498 transitions. [2024-11-09 00:40:10,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 498 transitions. [2024-11-09 00:40:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-09 00:40:10,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:10,070 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:10,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:40:10,070 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:10,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:10,071 INFO L85 PathProgramCache]: Analyzing trace with hash 265916402, now seen corresponding path program 1 times [2024-11-09 00:40:10,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:10,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940070875] [2024-11-09 00:40:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:10,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-09 00:40:11,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:11,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940070875] [2024-11-09 00:40:11,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940070875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:11,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:11,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:40:11,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057906168] [2024-11-09 00:40:11,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:11,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:40:11,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:11,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:40:11,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:11,506 INFO L87 Difference]: Start difference. First operand 315 states and 498 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:11,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:11,667 INFO L93 Difference]: Finished difference Result 773 states and 1219 transitions. [2024-11-09 00:40:11,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 00:40:11,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 365 [2024-11-09 00:40:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:11,673 INFO L225 Difference]: With dead ends: 773 [2024-11-09 00:40:11,673 INFO L226 Difference]: Without dead ends: 581 [2024-11-09 00:40:11,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:11,675 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 318 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:11,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 876 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:40:11,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-09 00:40:11,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 366. [2024-11-09 00:40:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 250 states have (on average 1.424) internal successors, (356), 250 states have internal predecessors, (356), 112 states have call successors, (112), 3 states have call predecessors, (112), 3 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 00:40:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 580 transitions. [2024-11-09 00:40:11,731 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 580 transitions. Word has length 365 [2024-11-09 00:40:11,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:11,732 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 580 transitions. [2024-11-09 00:40:11,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 580 transitions. [2024-11-09 00:40:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-09 00:40:11,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:11,738 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:11,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:40:11,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:11,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:11,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1783471440, now seen corresponding path program 1 times [2024-11-09 00:40:11,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:11,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351375034] [2024-11-09 00:40:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:11,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 57 proven. 108 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-09 00:40:14,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:14,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351375034] [2024-11-09 00:40:14,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351375034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:14,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469060499] [2024-11-09 00:40:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:14,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:14,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:14,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:40:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:15,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:40:15,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3482 proven. 228 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked. [2024-11-09 00:40:16,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 96 proven. 231 refuted. 0 times theorem prover too weak. 5833 trivial. 0 not checked. [2024-11-09 00:40:17,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469060499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:17,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:17,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-09 00:40:17,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179944760] [2024-11-09 00:40:17,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:17,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 00:40:17,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:17,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 00:40:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-09 00:40:17,202 INFO L87 Difference]: Start difference. First operand 366 states and 580 transitions. Second operand has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 6 states have call successors, (146), 3 states have call predecessors, (146), 7 states have return successors, (148), 6 states have call predecessors, (148), 6 states have call successors, (148) [2024-11-09 00:40:17,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:17,896 INFO L93 Difference]: Finished difference Result 647 states and 1002 transitions. [2024-11-09 00:40:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 00:40:17,897 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 6 states have call successors, (146), 3 states have call predecessors, (146), 7 states have return successors, (148), 6 states have call predecessors, (148), 6 states have call successors, (148) Word has length 365 [2024-11-09 00:40:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:17,901 INFO L225 Difference]: With dead ends: 647 [2024-11-09 00:40:17,901 INFO L226 Difference]: Without dead ends: 398 [2024-11-09 00:40:17,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=392, Unknown=0, NotChecked=0, Total=600 [2024-11-09 00:40:17,904 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 488 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:17,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 468 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 00:40:17,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-09 00:40:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390. [2024-11-09 00:40:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 268 states have (on average 1.3619402985074627) internal successors, (365), 268 states have internal predecessors, (365), 112 states have call successors, (112), 9 states have call predecessors, (112), 9 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 00:40:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 589 transitions. [2024-11-09 00:40:17,965 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 589 transitions. Word has length 365 [2024-11-09 00:40:17,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:17,966 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 589 transitions. [2024-11-09 00:40:17,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 6 states have call successors, (146), 3 states have call predecessors, (146), 7 states have return successors, (148), 6 states have call predecessors, (148), 6 states have call successors, (148) [2024-11-09 00:40:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 589 transitions. [2024-11-09 00:40:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 00:40:17,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:17,971 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:17,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:18,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:18,176 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:18,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:18,177 INFO L85 PathProgramCache]: Analyzing trace with hash -875746726, now seen corresponding path program 1 times [2024-11-09 00:40:18,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:18,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366677812] [2024-11-09 00:40:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 108 proven. 57 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-09 00:40:23,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366677812] [2024-11-09 00:40:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366677812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798001395] [2024-11-09 00:40:23,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:23,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:23,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:23,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:23,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:40:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:24,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:40:24,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:24,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2583 proven. 117 refuted. 0 times theorem prover too weak. 3460 trivial. 0 not checked. [2024-11-09 00:40:24,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 48 proven. 117 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-09 00:40:24,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798001395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:24,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:24,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 14 [2024-11-09 00:40:24,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001835355] [2024-11-09 00:40:24,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:24,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 00:40:24,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:24,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 00:40:24,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 00:40:24,866 INFO L87 Difference]: Start difference. First operand 390 states and 589 transitions. Second operand has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 14 states have internal predecessors, (180), 5 states have call successors, (151), 2 states have call predecessors, (151), 4 states have return successors, (152), 5 states have call predecessors, (152), 5 states have call successors, (152) [2024-11-09 00:40:26,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:26,548 INFO L93 Difference]: Finished difference Result 748 states and 1120 transitions. [2024-11-09 00:40:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 00:40:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 14 states have internal predecessors, (180), 5 states have call successors, (151), 2 states have call predecessors, (151), 4 states have return successors, (152), 5 states have call predecessors, (152), 5 states have call successors, (152) Word has length 366 [2024-11-09 00:40:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:26,554 INFO L225 Difference]: With dead ends: 748 [2024-11-09 00:40:26,554 INFO L226 Difference]: Without dead ends: 464 [2024-11-09 00:40:26,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 839 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 00:40:26,557 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 723 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:26,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1539 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 00:40:26,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-09 00:40:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 348. [2024-11-09 00:40:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 223 states have (on average 1.2869955156950672) internal successors, (287), 223 states have internal predecessors, (287), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 00:40:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 511 transitions. [2024-11-09 00:40:26,607 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 511 transitions. Word has length 366 [2024-11-09 00:40:26,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:26,608 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 511 transitions. [2024-11-09 00:40:26,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 14 states have internal predecessors, (180), 5 states have call successors, (151), 2 states have call predecessors, (151), 4 states have return successors, (152), 5 states have call predecessors, (152), 5 states have call successors, (152) [2024-11-09 00:40:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 511 transitions. [2024-11-09 00:40:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 00:40:26,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:26,610 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:26,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:26,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 00:40:26,815 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:26,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash 595849942, now seen corresponding path program 1 times [2024-11-09 00:40:26,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:26,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362313014] [2024-11-09 00:40:26,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:26,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-09 00:40:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:27,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362313014] [2024-11-09 00:40:27,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362313014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:27,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:27,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:40:27,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616389220] [2024-11-09 00:40:27,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:27,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:40:27,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:27,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:40:27,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:27,920 INFO L87 Difference]: Start difference. First operand 348 states and 511 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:28,095 INFO L93 Difference]: Finished difference Result 693 states and 1030 transitions. [2024-11-09 00:40:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 00:40:28,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 366 [2024-11-09 00:40:28,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:28,099 INFO L225 Difference]: With dead ends: 693 [2024-11-09 00:40:28,099 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 00:40:28,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:40:28,101 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 204 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:28,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 723 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:40:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 00:40:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 353. [2024-11-09 00:40:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 228 states have (on average 1.2894736842105263) internal successors, (294), 228 states have internal predecessors, (294), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 00:40:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 518 transitions. [2024-11-09 00:40:28,146 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 518 transitions. Word has length 366 [2024-11-09 00:40:28,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:28,147 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 518 transitions. [2024-11-09 00:40:28,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-09 00:40:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 518 transitions. [2024-11-09 00:40:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 00:40:28,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:28,150 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:28,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 00:40:28,151 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:28,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:28,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1489336280, now seen corresponding path program 1 times [2024-11-09 00:40:28,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:28,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160364796] [2024-11-09 00:40:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:28,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 99 proven. 66 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-09 00:40:30,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:30,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160364796] [2024-11-09 00:40:30,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160364796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:30,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858792090] [2024-11-09 00:40:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:30,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:30,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:30,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:30,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:40:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:30,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:40:30,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3025 proven. 66 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2024-11-09 00:40:31,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 99 proven. 66 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-09 00:40:31,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858792090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:31,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:31,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-09 00:40:31,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720497604] [2024-11-09 00:40:31,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:31,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:40:31,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:40:31,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:40:31,564 INFO L87 Difference]: Start difference. First operand 353 states and 518 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2024-11-09 00:40:31,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:31,963 INFO L93 Difference]: Finished difference Result 596 states and 872 transitions. [2024-11-09 00:40:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:40:31,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 366 [2024-11-09 00:40:31,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:31,969 INFO L225 Difference]: With dead ends: 596 [2024-11-09 00:40:31,969 INFO L226 Difference]: Without dead ends: 347 [2024-11-09 00:40:31,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 840 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:40:31,972 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 240 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:31,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 494 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:40:31,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-09 00:40:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 339. [2024-11-09 00:40:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 212 states have (on average 1.240566037735849) internal successors, (263), 212 states have internal predecessors, (263), 112 states have call successors, (112), 14 states have call predecessors, (112), 14 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 00:40:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 487 transitions. [2024-11-09 00:40:32,012 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 487 transitions. Word has length 366 [2024-11-09 00:40:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:32,013 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 487 transitions. [2024-11-09 00:40:32,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2024-11-09 00:40:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 487 transitions. [2024-11-09 00:40:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 00:40:32,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:32,016 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:32,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 00:40:32,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:32,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:32,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:32,218 INFO L85 PathProgramCache]: Analyzing trace with hash -99011622, now seen corresponding path program 1 times [2024-11-09 00:40:32,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:32,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241299282] [2024-11-09 00:40:32,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:32,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:40:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:40:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:40:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:40:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:40:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:40:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 00:40:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 00:40:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 00:40:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:40:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:40:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:40:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:40:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:40:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 00:40:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:40:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 00:40:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:40:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:40:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:40:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:40:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:40:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:40:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:40:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:40:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:40:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:40:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 00:40:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:40:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:40:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:40:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:40:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:40:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:40:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:40:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:40:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:40:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 00:40:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:40:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 00:40:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 00:40:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 00:40:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 00:40:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-09 00:40:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 372 proven. 393 refuted. 0 times theorem prover too weak. 5395 trivial. 0 not checked. [2024-11-09 00:40:42,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:42,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241299282] [2024-11-09 00:40:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241299282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:42,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521604687] [2024-11-09 00:40:42,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:42,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:42,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:42,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:42,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 00:40:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:43,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 00:40:43,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 4678 proven. 397 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2024-11-09 00:40:45,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:40:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 405 proven. 237 refuted. 0 times theorem prover too weak. 5518 trivial. 0 not checked. [2024-11-09 00:40:51,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521604687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:40:51,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:40:51,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 18] total 51 [2024-11-09 00:40:51,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695630596] [2024-11-09 00:40:51,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:40:51,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-09 00:40:51,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:51,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-09 00:40:51,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=482, Invalid=2068, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 00:40:51,705 INFO L87 Difference]: Start difference. First operand 339 states and 487 transitions. Second operand has 51 states, 48 states have (on average 5.541666666666667) internal successors, (266), 47 states have internal predecessors, (266), 20 states have call successors, (157), 7 states have call predecessors, (157), 14 states have return successors, (158), 19 states have call predecessors, (158), 20 states have call successors, (158) [2024-11-09 00:41:05,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:41:05,647 INFO L93 Difference]: Finished difference Result 1382 states and 1924 transitions. [2024-11-09 00:41:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-09 00:41:05,648 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 48 states have (on average 5.541666666666667) internal successors, (266), 47 states have internal predecessors, (266), 20 states have call successors, (157), 7 states have call predecessors, (157), 14 states have return successors, (158), 19 states have call predecessors, (158), 20 states have call successors, (158) Word has length 366 [2024-11-09 00:41:05,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:41:05,654 INFO L225 Difference]: With dead ends: 1382 [2024-11-09 00:41:05,654 INFO L226 Difference]: Without dead ends: 1173 [2024-11-09 00:41:05,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1020 GetRequests, 836 SyntacticMatches, 1 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11863 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=5875, Invalid=28165, Unknown=0, NotChecked=0, Total=34040 [2024-11-09 00:41:05,666 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 5910 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 5371 mSolverCounterSat, 1534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5913 SdHoareTripleChecker+Valid, 3473 SdHoareTripleChecker+Invalid, 6905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1534 IncrementalHoareTripleChecker+Valid, 5371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:41:05,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5913 Valid, 3473 Invalid, 6905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1534 Valid, 5371 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-09 00:41:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2024-11-09 00:41:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 949. [2024-11-09 00:41:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 646 states have (on average 1.256965944272446) internal successors, (812), 648 states have internal predecessors, (812), 248 states have call successors, (248), 54 states have call predecessors, (248), 54 states have return successors, (248), 246 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-09 00:41:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1308 transitions. [2024-11-09 00:41:05,790 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1308 transitions. Word has length 366 [2024-11-09 00:41:05,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:41:05,791 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1308 transitions. [2024-11-09 00:41:05,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 48 states have (on average 5.541666666666667) internal successors, (266), 47 states have internal predecessors, (266), 20 states have call successors, (157), 7 states have call predecessors, (157), 14 states have return successors, (158), 19 states have call predecessors, (158), 20 states have call successors, (158) [2024-11-09 00:41:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1308 transitions. [2024-11-09 00:41:05,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-09 00:41:05,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:41:05,795 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:41:05,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 00:41:05,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:41:05,996 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:41:05,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:41:05,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2108872837, now seen corresponding path program 1 times [2024-11-09 00:41:05,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:41:05,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97568037] [2024-11-09 00:41:05,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:41:05,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms