./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.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 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:27:16,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:27:17,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:27:17,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:27:17,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:27:17,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:27:17,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:27:17,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:27:17,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:27:17,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:27:17,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:27:17,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:27:17,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:27:17,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:27:17,074 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:27:17,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:27:17,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:27:17,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:27:17,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:27:17,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:27:17,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:27:17,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:27:17,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:27:17,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:27:17,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:27:17,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:27:17,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:27:17,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:27:17,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:27:17,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:27:17,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:27:17,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:27:17,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:27:17,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:27:17,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:27:17,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:27:17,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:27:17,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:27:17,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:27:17,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:27:17,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:27:17,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:27:17,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 [2024-11-12 03:27:17,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:27:17,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:27:17,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:27:17,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:27:17,392 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:27:17,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-12 03:27:18,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:27:19,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:27:19,144 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-12 03:27:19,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9aa69d9/885e98b1e9dd45e2b5149cd75b4d27cd/FLAGfd2ac0c2a [2024-11-12 03:27:19,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9aa69d9/885e98b1e9dd45e2b5149cd75b4d27cd [2024-11-12 03:27:19,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:27:19,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:27:19,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:27:19,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:27:19,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:27:19,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:19,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b3ea30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19, skipping insertion in model container [2024-11-12 03:27:19,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:19,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:27:19,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-11-12 03:27:19,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:27:19,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:27:19,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-11-12 03:27:19,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:27:19,929 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:27:19,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19 WrapperNode [2024-11-12 03:27:19,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:27:19,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:27:19,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:27:19,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:27:19,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:19,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,004 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-12 03:27:20,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:27:20,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:27:20,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:27:20,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:27:20,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,058 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 03:27:20,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:27:20,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:27:20,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:27:20,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:27:20,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (1/1) ... [2024-11-12 03:27:20,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:27:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:27:20,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 03:27:20,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 03:27:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:27:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:27:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:27:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:27:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:27:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:27:20,353 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:27:20,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:27:20,833 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 03:27:20,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:27:20,851 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:27:20,852 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:27:20,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:27:20 BoogieIcfgContainer [2024-11-12 03:27:20,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:27:20,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:27:20,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:27:20,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:27:20,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:27:19" (1/3) ... [2024-11-12 03:27:20,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fddb9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:27:20, skipping insertion in model container [2024-11-12 03:27:20,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:27:19" (2/3) ... [2024-11-12 03:27:20,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fddb9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:27:20, skipping insertion in model container [2024-11-12 03:27:20,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:27:20" (3/3) ... [2024-11-12 03:27:20,864 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-12 03:27:20,880 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:27:20,881 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:27:20,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:27:20,957 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;@df782f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:27:20,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:27:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:27:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:27:20,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:20,984 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:20,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:20,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1953080171, now seen corresponding path program 1 times [2024-11-12 03:27:21,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:21,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646275423] [2024-11-12 03:27:21,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:21,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:21,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:21,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646275423] [2024-11-12 03:27:21,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646275423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:21,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:21,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:27:21,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745951619] [2024-11-12 03:27:21,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:21,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:27:21,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:21,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:27:21,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:27:21,514 INFO L87 Difference]: Start difference. First operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:27:21,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:21,546 INFO L93 Difference]: Finished difference Result 187 states and 329 transitions. [2024-11-12 03:27:21,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:27:21,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-12 03:27:21,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:21,557 INFO L225 Difference]: With dead ends: 187 [2024-11-12 03:27:21,557 INFO L226 Difference]: Without dead ends: 93 [2024-11-12 03:27:21,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:27:21,567 INFO L435 NwaCegarLoop]: 146 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, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:21,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:27:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-12 03:27:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-12 03:27:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:27:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2024-11-12 03:27:21,635 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 174 [2024-11-12 03:27:21,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:21,636 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2024-11-12 03:27:21,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 03:27:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2024-11-12 03:27:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:27:21,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:21,641 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:21,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:27:21,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:21,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1318480109, now seen corresponding path program 1 times [2024-11-12 03:27:21,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:21,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387670390] [2024-11-12 03:27:21,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:21,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:22,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:22,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387670390] [2024-11-12 03:27:22,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387670390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:22,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:22,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:27:22,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714468479] [2024-11-12 03:27:22,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:22,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:27:22,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:22,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:27:22,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:27:22,185 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:22,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:22,237 INFO L93 Difference]: Finished difference Result 184 states and 291 transitions. [2024-11-12 03:27:22,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:27:22,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:27:22,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:22,242 INFO L225 Difference]: With dead ends: 184 [2024-11-12 03:27:22,243 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 03:27:22,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:27:22,248 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:22,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:27:22,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 03:27:22,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 03:27:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 03:27:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-12 03:27:22,274 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 174 [2024-11-12 03:27:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:22,278 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-12 03:27:22,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-12 03:27:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:27:22,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:22,284 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:22,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:27:22,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:22,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:22,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1696623509, now seen corresponding path program 1 times [2024-11-12 03:27:22,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:22,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922176378] [2024-11-12 03:27:22,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:22,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:22,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:22,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922176378] [2024-11-12 03:27:22,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922176378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:22,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:22,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:27:22,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720494716] [2024-11-12 03:27:22,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:22,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:27:22,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:22,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:27:22,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:27:22,749 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:23,040 INFO L93 Difference]: Finished difference Result 277 states and 436 transitions. [2024-11-12 03:27:23,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:27:23,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:27:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:23,045 INFO L225 Difference]: With dead ends: 277 [2024-11-12 03:27:23,048 INFO L226 Difference]: Without dead ends: 186 [2024-11-12 03:27:23,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:27:23,050 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 151 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:23,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 500 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:27:23,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-12 03:27:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 141. [2024-11-12 03:27:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 03:27:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 220 transitions. [2024-11-12 03:27:23,086 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 220 transitions. Word has length 174 [2024-11-12 03:27:23,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:23,086 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 220 transitions. [2024-11-12 03:27:23,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2024-11-12 03:27:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:27:23,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:23,093 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:23,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:27:23,094 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:23,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2119325335, now seen corresponding path program 1 times [2024-11-12 03:27:23,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:23,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73559778] [2024-11-12 03:27:23,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:23,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:23,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73559778] [2024-11-12 03:27:23,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73559778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:23,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:23,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:27:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522617593] [2024-11-12 03:27:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:23,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:27:23,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:27:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:27:23,562 INFO L87 Difference]: Start difference. First operand 141 states and 220 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:23,631 INFO L93 Difference]: Finished difference Result 323 states and 508 transitions. [2024-11-12 03:27:23,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:27:23,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:27:23,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:23,637 INFO L225 Difference]: With dead ends: 323 [2024-11-12 03:27:23,637 INFO L226 Difference]: Without dead ends: 232 [2024-11-12 03:27:23,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:27:23,643 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 94 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:23,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 331 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:27:23,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-12 03:27:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2024-11-12 03:27:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 145 states have (on average 1.3586206896551725) internal successors, (197), 145 states have internal predecessors, (197), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:27:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 359 transitions. [2024-11-12 03:27:23,683 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 359 transitions. Word has length 174 [2024-11-12 03:27:23,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:23,684 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 359 transitions. [2024-11-12 03:27:23,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 359 transitions. [2024-11-12 03:27:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:27:23,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:23,686 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:23,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:27:23,687 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:23,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:23,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1301676885, now seen corresponding path program 1 times [2024-11-12 03:27:23,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:23,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710991075] [2024-11-12 03:27:23,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:29,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:29,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710991075] [2024-11-12 03:27:29,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710991075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:29,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:29,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 03:27:29,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687544143] [2024-11-12 03:27:29,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:29,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 03:27:29,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:29,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 03:27:29,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:27:29,276 INFO L87 Difference]: Start difference. First operand 230 states and 359 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:30,662 INFO L93 Difference]: Finished difference Result 450 states and 696 transitions. [2024-11-12 03:27:30,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 03:27:30,664 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:27:30,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:30,668 INFO L225 Difference]: With dead ends: 450 [2024-11-12 03:27:30,668 INFO L226 Difference]: Without dead ends: 359 [2024-11-12 03:27:30,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2024-11-12 03:27:30,671 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 691 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:30,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 910 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 03:27:30,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-12 03:27:30,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 272. [2024-11-12 03:27:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 187 states have (on average 1.3957219251336899) internal successors, (261), 187 states have internal predecessors, (261), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:27:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 423 transitions. [2024-11-12 03:27:30,705 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 423 transitions. Word has length 174 [2024-11-12 03:27:30,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:30,706 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 423 transitions. [2024-11-12 03:27:30,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 423 transitions. [2024-11-12 03:27:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 03:27:30,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:30,708 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:30,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:27:30,709 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:30,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:30,710 INFO L85 PathProgramCache]: Analyzing trace with hash 290559635, now seen corresponding path program 1 times [2024-11-12 03:27:30,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:30,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831715269] [2024-11-12 03:27:30,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:30,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:30,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:30,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831715269] [2024-11-12 03:27:30,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831715269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:30,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:30,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:27:30,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099419303] [2024-11-12 03:27:30,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:30,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:27:30,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:30,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:27:30,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:27:30,873 INFO L87 Difference]: Start difference. First operand 272 states and 423 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:30,936 INFO L93 Difference]: Finished difference Result 453 states and 709 transitions. [2024-11-12 03:27:30,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:27:30,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 03:27:30,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:30,942 INFO L225 Difference]: With dead ends: 453 [2024-11-12 03:27:30,943 INFO L226 Difference]: Without dead ends: 362 [2024-11-12 03:27:30,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:27:30,945 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 137 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:30,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 326 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:27:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-12 03:27:30,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 271. [2024-11-12 03:27:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 186 states have (on average 1.39247311827957) internal successors, (259), 186 states have internal predecessors, (259), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:27:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 421 transitions. [2024-11-12 03:27:30,989 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 421 transitions. Word has length 174 [2024-11-12 03:27:30,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:30,991 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 421 transitions. [2024-11-12 03:27:30,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 421 transitions. [2024-11-12 03:27:30,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:27:30,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:30,993 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:30,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:27:30,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:30,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:30,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1225399612, now seen corresponding path program 1 times [2024-11-12 03:27:30,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:30,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310453999] [2024-11-12 03:27:30,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:30,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:39,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:39,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310453999] [2024-11-12 03:27:39,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310453999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:39,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:39,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 03:27:39,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152447315] [2024-11-12 03:27:39,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:39,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 03:27:39,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:39,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 03:27:39,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-12 03:27:39,830 INFO L87 Difference]: Start difference. First operand 271 states and 421 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:43,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:43,159 INFO L93 Difference]: Finished difference Result 358 states and 543 transitions. [2024-11-12 03:27:43,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 03:27:43,160 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:27:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:43,162 INFO L225 Difference]: With dead ends: 358 [2024-11-12 03:27:43,162 INFO L226 Difference]: Without dead ends: 356 [2024-11-12 03:27:43,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2024-11-12 03:27:43,164 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 564 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:43,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1089 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 03:27:43,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-12 03:27:43,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 272. [2024-11-12 03:27:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 187 states have (on average 1.3903743315508021) internal successors, (260), 187 states have internal predecessors, (260), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:27:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 422 transitions. [2024-11-12 03:27:43,194 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 422 transitions. Word has length 175 [2024-11-12 03:27:43,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:43,194 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 422 transitions. [2024-11-12 03:27:43,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 422 transitions. [2024-11-12 03:27:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:27:43,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:43,199 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:43,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 03:27:43,200 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:43,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:43,200 INFO L85 PathProgramCache]: Analyzing trace with hash 787655146, now seen corresponding path program 1 times [2024-11-12 03:27:43,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:43,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611349062] [2024-11-12 03:27:43,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:43,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:43,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:43,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611349062] [2024-11-12 03:27:43,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611349062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:43,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:43,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:27:43,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138152816] [2024-11-12 03:27:43,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:43,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:27:43,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:43,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:27:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:27:43,526 INFO L87 Difference]: Start difference. First operand 272 states and 422 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:43,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:43,623 INFO L93 Difference]: Finished difference Result 474 states and 732 transitions. [2024-11-12 03:27:43,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:27:43,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:27:43,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:43,626 INFO L225 Difference]: With dead ends: 474 [2024-11-12 03:27:43,626 INFO L226 Difference]: Without dead ends: 292 [2024-11-12 03:27:43,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:27:43,629 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 66 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:43,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 298 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:27:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-12 03:27:43,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 280. [2024-11-12 03:27:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 193 states have (on average 1.3626943005181347) internal successors, (263), 193 states have internal predecessors, (263), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:27:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 425 transitions. [2024-11-12 03:27:43,657 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 425 transitions. Word has length 175 [2024-11-12 03:27:43,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:43,657 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 425 transitions. [2024-11-12 03:27:43,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:43,658 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 425 transitions. [2024-11-12 03:27:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:27:43,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:43,661 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:43,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 03:27:43,661 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:43,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:43,662 INFO L85 PathProgramCache]: Analyzing trace with hash -21691480, now seen corresponding path program 1 times [2024-11-12 03:27:43,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:43,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117136479] [2024-11-12 03:27:43,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:43,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:27:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:27:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:27:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:27:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:27:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:49,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:27:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:27:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:27:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:27:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:27:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:27:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:27:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:27:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:27:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:27:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:27:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:27:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:27:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:27:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:27:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:27:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:27:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:27:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:27:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:27:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:27:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:27:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:27:50,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:27:50,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:27:50,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117136479] [2024-11-12 03:27:50,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117136479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:27:50,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:27:50,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 03:27:50,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185816540] [2024-11-12 03:27:50,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:27:50,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 03:27:50,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:27:50,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 03:27:50,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-12 03:27:50,078 INFO L87 Difference]: Start difference. First operand 280 states and 425 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:54,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:27:54,690 INFO L93 Difference]: Finished difference Result 373 states and 553 transitions. [2024-11-12 03:27:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 03:27:54,691 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:27:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:27:54,693 INFO L225 Difference]: With dead ends: 373 [2024-11-12 03:27:54,693 INFO L226 Difference]: Without dead ends: 371 [2024-11-12 03:27:54,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=308, Invalid=882, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 03:27:54,695 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 579 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:27:54,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1170 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 03:27:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-12 03:27:54,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 280. [2024-11-12 03:27:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 193 states have (on average 1.3626943005181347) internal successors, (263), 193 states have internal predecessors, (263), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:27:54,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 425 transitions. [2024-11-12 03:27:54,723 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 425 transitions. Word has length 175 [2024-11-12 03:27:54,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:27:54,723 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 425 transitions. [2024-11-12 03:27:54,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:27:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 425 transitions. [2024-11-12 03:27:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:27:54,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:27:54,725 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:27:54,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 03:27:54,726 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:27:54,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:27:54,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1110039550, now seen corresponding path program 1 times [2024-11-12 03:27:54,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:27:54,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820308993] [2024-11-12 03:27:54,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:27:54,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:27:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:28:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:28:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:28:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:28:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:28:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:28:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:28:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:28:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:28:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:28:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:28:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:28:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:00,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:28:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:28:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:28:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:28:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:28:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:28:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:28:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:28:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:28:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:28:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:28:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:28:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:28:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:28:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:28:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:28:01,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:28:01,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820308993] [2024-11-12 03:28:01,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820308993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:28:01,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:28:01,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:28:01,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437434339] [2024-11-12 03:28:01,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:28:01,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:28:01,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:28:01,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:28:01,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:28:01,071 INFO L87 Difference]: Start difference. First operand 280 states and 425 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:28:06,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:28:06,745 INFO L93 Difference]: Finished difference Result 398 states and 588 transitions. [2024-11-12 03:28:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 03:28:06,746 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:28:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:28:06,749 INFO L225 Difference]: With dead ends: 398 [2024-11-12 03:28:06,749 INFO L226 Difference]: Without dead ends: 396 [2024-11-12 03:28:06,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=322, Invalid=868, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 03:28:06,751 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 609 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:28:06,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 989 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 03:28:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-12 03:28:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 299. [2024-11-12 03:28:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 212 states have internal predecessors, (292), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:28:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 454 transitions. [2024-11-12 03:28:06,780 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 454 transitions. Word has length 175 [2024-11-12 03:28:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:28:06,781 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 454 transitions. [2024-11-12 03:28:06,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:28:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 454 transitions. [2024-11-12 03:28:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 03:28:06,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:28:06,784 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:28:06,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 03:28:06,784 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:28:06,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:28:06,785 INFO L85 PathProgramCache]: Analyzing trace with hash -851874112, now seen corresponding path program 1 times [2024-11-12 03:28:06,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:28:06,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064146612] [2024-11-12 03:28:06,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:28:06,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:28:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:28:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:28:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:28:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:28:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:28:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:28:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:28:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:28:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:28:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:28:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:28:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:28:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:28:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:28:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:28:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:28:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:28:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:28:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:28:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:28:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:28:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:28:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:28:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:28:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:28:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:28:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:28:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:28:17,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:28:17,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064146612] [2024-11-12 03:28:17,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064146612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:28:17,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:28:17,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 03:28:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462891448] [2024-11-12 03:28:17,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:28:17,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 03:28:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:28:17,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 03:28:17,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-12 03:28:17,678 INFO L87 Difference]: Start difference. First operand 299 states and 454 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:28:25,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:28:25,608 INFO L93 Difference]: Finished difference Result 392 states and 582 transitions. [2024-11-12 03:28:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 03:28:25,609 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 03:28:25,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:28:25,611 INFO L225 Difference]: With dead ends: 392 [2024-11-12 03:28:25,611 INFO L226 Difference]: Without dead ends: 390 [2024-11-12 03:28:25,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2024-11-12 03:28:25,612 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 562 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:28:25,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1022 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-12 03:28:25,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-12 03:28:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 299. [2024-11-12 03:28:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 212 states have internal predecessors, (292), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 03:28:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 454 transitions. [2024-11-12 03:28:25,636 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 454 transitions. Word has length 175 [2024-11-12 03:28:25,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:28:25,636 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 454 transitions. [2024-11-12 03:28:25,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 03:28:25,637 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 454 transitions. [2024-11-12 03:28:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 03:28:25,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:28:25,638 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:28:25,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 03:28:25,639 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:28:25,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:28:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash 699854033, now seen corresponding path program 1 times [2024-11-12 03:28:25,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:28:25,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649228397] [2024-11-12 03:28:25,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:28:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:28:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:28:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:28:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:28:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:28:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:28:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:28:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:28:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:28:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:28:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:28:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:28:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:28:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 03:28:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:28:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 03:28:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:28:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 03:28:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:28:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 03:28:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:28:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 03:28:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:28:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 03:28:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:28:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 03:28:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:28:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 03:28:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:28:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 03:28:31,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:28:31,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649228397] [2024-11-12 03:28:31,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649228397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:28:31,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:28:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-12 03:28:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393640335] [2024-11-12 03:28:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:28:31,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 03:28:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:28:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 03:28:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-12 03:28:31,456 INFO L87 Difference]: Start difference. First operand 299 states and 454 transitions. Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)