./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-81.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 c37c06019a2f7252c23194b0baf4adc5534d367e32a3abf21b53b0028081fdaa --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:58:13,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:58:13,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:58:13,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:58:13,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:58:14,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:58:14,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:58:14,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:58:14,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:58:14,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:58:14,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:58:14,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:58:14,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:58:14,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:58:14,027 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:58:14,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:58:14,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:58:14,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:58:14,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:58:14,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:58:14,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:58:14,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:58:14,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:58:14,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:58:14,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:58:14,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:58:14,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:58:14,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:58:14,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:58:14,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:58:14,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:58:14,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:58:14,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:58:14,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:58:14,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:58:14,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:58:14,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:58:14,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:58:14,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:58:14,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:58:14,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:58:14,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:58:14,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c37c06019a2f7252c23194b0baf4adc5534d367e32a3abf21b53b0028081fdaa [2024-11-08 21:58:14,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:58:14,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:58:14,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:58:14,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:58:14,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:58:14,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-81.i [2024-11-08 21:58:15,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:58:16,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:58:16,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-81.i [2024-11-08 21:58:16,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83cc26423/16933799b6b64713ac73330ad916ed24/FLAG8ac29fa8d [2024-11-08 21:58:16,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83cc26423/16933799b6b64713ac73330ad916ed24 [2024-11-08 21:58:16,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:58:16,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:58:16,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:58:16,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:58:16,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:58:16,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ca4ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16, skipping insertion in model container [2024-11-08 21:58:16,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:58:16,326 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-cn_file-81.i[919,932] [2024-11-08 21:58:16,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:58:16,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:58:16,449 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-cn_file-81.i[919,932] [2024-11-08 21:58:16,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:58:16,522 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:58:16,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16 WrapperNode [2024-11-08 21:58:16,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:58:16,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:58:16,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:58:16,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:58:16,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,607 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2024-11-08 21:58:16,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:58:16,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:58:16,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:58:16,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:58:16,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,672 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 21:58:16,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:58:16,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:58:16,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:58:16,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:58:16,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (1/1) ... [2024-11-08 21:58:16,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:58:16,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:58:16,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 21:58:16,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 21:58:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:58:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:58:16,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:58:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:58:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:58:16,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:58:16,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:58:16,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:58:17,489 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 21:58:17,490 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:58:17,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:58:17,512 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:58:17,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:58:17 BoogieIcfgContainer [2024-11-08 21:58:17,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:58:17,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:58:17,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:58:17,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:58:17,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:58:16" (1/3) ... [2024-11-08 21:58:17,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c2ad08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:58:17, skipping insertion in model container [2024-11-08 21:58:17,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:58:16" (2/3) ... [2024-11-08 21:58:17,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c2ad08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:58:17, skipping insertion in model container [2024-11-08 21:58:17,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:58:17" (3/3) ... [2024-11-08 21:58:17,523 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-81.i [2024-11-08 21:58:17,543 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:58:17,543 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:58:17,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:58:17,630 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;@190773f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:58:17,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:58:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 21:58:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-08 21:58:17,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:17,655 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:17,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:17,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:17,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1628914907, now seen corresponding path program 1 times [2024-11-08 21:58:17,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:17,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184608733] [2024-11-08 21:58:17,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:17,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:18,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:18,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184608733] [2024-11-08 21:58:18,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184608733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:18,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:18,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:58:18,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495392576] [2024-11-08 21:58:18,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:18,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:58:18,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:58:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:58:18,599 INFO L87 Difference]: Start difference. First operand has 134 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:58:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:18,650 INFO L93 Difference]: Finished difference Result 261 states and 474 transitions. [2024-11-08 21:58:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:58:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 306 [2024-11-08 21:58:18,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:18,664 INFO L225 Difference]: With dead ends: 261 [2024-11-08 21:58:18,665 INFO L226 Difference]: Without dead ends: 130 [2024-11-08 21:58:18,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:58:18,681 INFO L432 NwaCegarLoop]: 208 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, 208 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:18,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:58:18,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-08 21:58:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-08 21:58:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 78 states have internal predecessors, (108), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 21:58:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 208 transitions. [2024-11-08 21:58:18,751 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 208 transitions. Word has length 306 [2024-11-08 21:58:18,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:18,752 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 208 transitions. [2024-11-08 21:58:18,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:58:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 208 transitions. [2024-11-08 21:58:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-08 21:58:18,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:18,760 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:18,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:58:18,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:18,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1800754029, now seen corresponding path program 1 times [2024-11-08 21:58:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:18,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220402723] [2024-11-08 21:58:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:18,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:19,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:19,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220402723] [2024-11-08 21:58:19,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220402723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:19,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:19,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:58:19,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212875174] [2024-11-08 21:58:19,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:19,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:58:19,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:19,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:58:19,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:58:19,969 INFO L87 Difference]: Start difference. First operand 130 states and 208 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:20,328 INFO L93 Difference]: Finished difference Result 385 states and 620 transitions. [2024-11-08 21:58:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:58:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 306 [2024-11-08 21:58:20,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:20,337 INFO L225 Difference]: With dead ends: 385 [2024-11-08 21:58:20,339 INFO L226 Difference]: Without dead ends: 258 [2024-11-08 21:58:20,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:58:20,342 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 114 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:20,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 501 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 21:58:20,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-08 21:58:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 256. [2024-11-08 21:58:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-08 21:58:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 413 transitions. [2024-11-08 21:58:20,430 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 413 transitions. Word has length 306 [2024-11-08 21:58:20,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:20,431 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 413 transitions. [2024-11-08 21:58:20,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 413 transitions. [2024-11-08 21:58:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:58:20,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:20,443 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:20,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:58:20,445 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:20,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:20,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1275684225, now seen corresponding path program 1 times [2024-11-08 21:58:20,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:20,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767221624] [2024-11-08 21:58:20,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:20,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:21,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:21,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767221624] [2024-11-08 21:58:21,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767221624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:21,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:21,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 21:58:21,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305561047] [2024-11-08 21:58:21,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:21,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 21:58:21,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:21,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 21:58:21,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:58:21,719 INFO L87 Difference]: Start difference. First operand 256 states and 413 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:58:23,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:23,071 INFO L93 Difference]: Finished difference Result 1212 states and 1917 transitions. [2024-11-08 21:58:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 21:58:23,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 307 [2024-11-08 21:58:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:23,083 INFO L225 Difference]: With dead ends: 1212 [2024-11-08 21:58:23,083 INFO L226 Difference]: Without dead ends: 959 [2024-11-08 21:58:23,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-08 21:58:23,088 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 651 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:23,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 847 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 21:58:23,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-08 21:58:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 949. [2024-11-08 21:58:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 572 states have (on average 1.3706293706293706) internal successors, (784), 576 states have internal predecessors, (784), 356 states have call successors, (356), 20 states have call predecessors, (356), 20 states have return successors, (356), 352 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-08 21:58:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1496 transitions. [2024-11-08 21:58:23,299 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1496 transitions. Word has length 307 [2024-11-08 21:58:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:23,302 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1496 transitions. [2024-11-08 21:58:23,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:58:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1496 transitions. [2024-11-08 21:58:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:58:23,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:23,307 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:23,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:58:23,308 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:23,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:23,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1533849663, now seen corresponding path program 1 times [2024-11-08 21:58:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:23,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880307004] [2024-11-08 21:58:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:23,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:23,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880307004] [2024-11-08 21:58:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880307004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:23,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:23,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:58:23,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620979143] [2024-11-08 21:58:23,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:23,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:58:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:23,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:58:23,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:58:23,765 INFO L87 Difference]: Start difference. First operand 949 states and 1496 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:23,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:23,996 INFO L93 Difference]: Finished difference Result 2297 states and 3618 transitions. [2024-11-08 21:58:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:58:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:58:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:24,007 INFO L225 Difference]: With dead ends: 2297 [2024-11-08 21:58:24,008 INFO L226 Difference]: Without dead ends: 1351 [2024-11-08 21:58:24,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:58:24,011 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 72 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:24,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 615 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 21:58:24,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-11-08 21:58:24,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1341. [2024-11-08 21:58:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 924 states have (on average 1.432900432900433) internal successors, (1324), 936 states have internal predecessors, (1324), 388 states have call successors, (388), 28 states have call predecessors, (388), 28 states have return successors, (388), 376 states have call predecessors, (388), 388 states have call successors, (388) [2024-11-08 21:58:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 2100 transitions. [2024-11-08 21:58:24,178 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 2100 transitions. Word has length 307 [2024-11-08 21:58:24,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:24,179 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 2100 transitions. [2024-11-08 21:58:24,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 2100 transitions. [2024-11-08 21:58:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:58:24,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:24,184 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:24,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 21:58:24,184 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:24,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:24,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1481253955, now seen corresponding path program 1 times [2024-11-08 21:58:24,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:24,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366940267] [2024-11-08 21:58:24,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:24,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:40,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:40,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366940267] [2024-11-08 21:58:40,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366940267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:40,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 21:58:40,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461480001] [2024-11-08 21:58:40,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:40,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 21:58:40,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:40,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 21:58:40,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 21:58:40,593 INFO L87 Difference]: Start difference. First operand 1341 states and 2100 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:58:43,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:43,400 INFO L93 Difference]: Finished difference Result 3810 states and 5933 transitions. [2024-11-08 21:58:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 21:58:43,401 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 307 [2024-11-08 21:58:43,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:43,419 INFO L225 Difference]: With dead ends: 3810 [2024-11-08 21:58:43,419 INFO L226 Difference]: Without dead ends: 2472 [2024-11-08 21:58:43,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2024-11-08 21:58:43,424 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1308 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:43,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1115 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 21:58:43,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2024-11-08 21:58:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 1564. [2024-11-08 21:58:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1093 states have (on average 1.4364135407136323) internal successors, (1570), 1105 states have internal predecessors, (1570), 438 states have call successors, (438), 32 states have call predecessors, (438), 32 states have return successors, (438), 426 states have call predecessors, (438), 438 states have call successors, (438) [2024-11-08 21:58:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2446 transitions. [2024-11-08 21:58:43,581 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2446 transitions. Word has length 307 [2024-11-08 21:58:43,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:43,582 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2446 transitions. [2024-11-08 21:58:43,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:58:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2446 transitions. [2024-11-08 21:58:43,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:58:43,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:43,589 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:43,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 21:58:43,589 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:43,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:43,590 INFO L85 PathProgramCache]: Analyzing trace with hash 819568635, now seen corresponding path program 1 times [2024-11-08 21:58:43,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:43,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987522870] [2024-11-08 21:58:43,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:43,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:52,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:52,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987522870] [2024-11-08 21:58:52,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987522870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:52,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:52,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 21:58:52,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752068251] [2024-11-08 21:58:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:52,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 21:58:52,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 21:58:52,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 21:58:52,152 INFO L87 Difference]: Start difference. First operand 1564 states and 2446 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:55,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:55,816 INFO L93 Difference]: Finished difference Result 3754 states and 5854 transitions. [2024-11-08 21:58:55,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 21:58:55,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:58:55,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:55,833 INFO L225 Difference]: With dead ends: 3754 [2024-11-08 21:58:55,833 INFO L226 Difference]: Without dead ends: 2416 [2024-11-08 21:58:55,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 21:58:55,841 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 828 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:55,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1160 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 21:58:55,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2024-11-08 21:58:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 1564. [2024-11-08 21:58:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1093 states have (on average 1.4364135407136323) internal successors, (1570), 1105 states have internal predecessors, (1570), 438 states have call successors, (438), 32 states have call predecessors, (438), 32 states have return successors, (438), 426 states have call predecessors, (438), 438 states have call successors, (438) [2024-11-08 21:58:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2446 transitions. [2024-11-08 21:58:56,009 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2446 transitions. Word has length 307 [2024-11-08 21:58:56,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:56,010 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2446 transitions. [2024-11-08 21:58:56,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2446 transitions. [2024-11-08 21:58:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:58:56,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:56,015 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:56,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 21:58:56,015 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:56,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1124769599, now seen corresponding path program 1 times [2024-11-08 21:58:56,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:56,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014406349] [2024-11-08 21:58:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:58:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:58:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:58:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:58:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:58:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:58:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:58:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:58:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:58:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:58:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:58:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:58:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:58:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:58:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:58:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:58:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:58:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:58:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:58:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:58:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:58:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:58:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:58:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:58:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:58:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:58:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:58:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:58:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:58:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:58:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:58:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:58:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:58:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:58:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:58:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:58:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:58:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:58:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:58:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:58:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:58:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:58:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:58:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:58:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:58:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:58:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:58:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:58:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:58:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:58:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:58:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:58:56,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:58:56,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014406349] [2024-11-08 21:58:56,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014406349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:58:56,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:58:56,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 21:58:56,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593379871] [2024-11-08 21:58:56,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:58:56,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 21:58:56,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:58:56,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 21:58:56,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:58:56,846 INFO L87 Difference]: Start difference. First operand 1564 states and 2446 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:57,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:58:57,533 INFO L93 Difference]: Finished difference Result 3260 states and 5105 transitions. [2024-11-08 21:58:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 21:58:57,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:58:57,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:58:57,549 INFO L225 Difference]: With dead ends: 3260 [2024-11-08 21:58:57,550 INFO L226 Difference]: Without dead ends: 1922 [2024-11-08 21:58:57,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 21:58:57,557 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 192 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:58:57,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 877 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 21:58:57,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2024-11-08 21:58:57,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1584. [2024-11-08 21:58:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1113 states have (on average 1.4366576819407009) internal successors, (1599), 1125 states have internal predecessors, (1599), 438 states have call successors, (438), 32 states have call predecessors, (438), 32 states have return successors, (438), 426 states have call predecessors, (438), 438 states have call successors, (438) [2024-11-08 21:58:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2475 transitions. [2024-11-08 21:58:57,711 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2475 transitions. Word has length 307 [2024-11-08 21:58:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:58:57,713 INFO L471 AbstractCegarLoop]: Abstraction has 1584 states and 2475 transitions. [2024-11-08 21:58:57,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:58:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2475 transitions. [2024-11-08 21:58:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:58:57,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:58:57,715 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:58:57,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 21:58:57,716 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:58:57,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:58:57,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1262399237, now seen corresponding path program 1 times [2024-11-08 21:58:57,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:58:57,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384200640] [2024-11-08 21:58:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:58:57,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:58:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:59:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:59:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:59:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:59:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:59:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:59:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:59:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:59:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:59:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:59:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:59:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:59:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:59:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:59:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:59:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:59:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:59:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:59:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:59:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:59:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:59:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:59:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:59:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:59:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:59:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:59:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:59:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:59:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:59:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:59:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:59:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:59:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:59:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:59:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:59:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:59:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:59:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:59:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:59:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:59:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:59:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:59:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:59:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:59:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:59:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:59:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:59:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:59:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:59:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:59:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:59:06,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:59:06,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384200640] [2024-11-08 21:59:06,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384200640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:59:06,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:59:06,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 21:59:06,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254559782] [2024-11-08 21:59:06,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:59:06,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 21:59:06,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:59:06,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 21:59:06,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 21:59:06,444 INFO L87 Difference]: Start difference. First operand 1584 states and 2475 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:59:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:59:08,464 INFO L93 Difference]: Finished difference Result 3772 states and 5887 transitions. [2024-11-08 21:59:08,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 21:59:08,465 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:59:08,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:59:08,481 INFO L225 Difference]: With dead ends: 3772 [2024-11-08 21:59:08,481 INFO L226 Difference]: Without dead ends: 2434 [2024-11-08 21:59:08,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:59:08,489 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 459 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 21:59:08,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 942 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 21:59:08,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2024-11-08 21:59:08,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 1660. [2024-11-08 21:59:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1189 states have (on average 1.4524810765349032) internal successors, (1727), 1201 states have internal predecessors, (1727), 438 states have call successors, (438), 32 states have call predecessors, (438), 32 states have return successors, (438), 426 states have call predecessors, (438), 438 states have call successors, (438) [2024-11-08 21:59:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2603 transitions. [2024-11-08 21:59:08,672 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2603 transitions. Word has length 307 [2024-11-08 21:59:08,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:59:08,673 INFO L471 AbstractCegarLoop]: Abstraction has 1660 states and 2603 transitions. [2024-11-08 21:59:08,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:59:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2603 transitions. [2024-11-08 21:59:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:59:08,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:59:08,675 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:59:08,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 21:59:08,676 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:59:08,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:59:08,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1038423353, now seen corresponding path program 1 times [2024-11-08 21:59:08,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:59:08,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986043562] [2024-11-08 21:59:08,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:59:08,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:59:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:59:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:59:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:59:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:59:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:59:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:59:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:59:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:59:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:59:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:59:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:59:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:59:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:59:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:59:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:59:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:59:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:59:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:59:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:59:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:59:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:59:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:59:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:59:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:59:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:59:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:59:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:59:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:59:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:59:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:59:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:59:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:59:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:59:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:59:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:59:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:59:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:59:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:59:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:59:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:59:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:59:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:59:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:59:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:59:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:59:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:59:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:59:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:59:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:59:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:59:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:59:16,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:59:16,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986043562] [2024-11-08 21:59:16,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986043562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:59:16,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:59:16,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 21:59:16,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567041274] [2024-11-08 21:59:16,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:59:16,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 21:59:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:59:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 21:59:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 21:59:16,612 INFO L87 Difference]: Start difference. First operand 1660 states and 2603 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:59:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:59:18,192 INFO L93 Difference]: Finished difference Result 3662 states and 5734 transitions. [2024-11-08 21:59:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 21:59:18,194 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:59:18,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:59:18,210 INFO L225 Difference]: With dead ends: 3662 [2024-11-08 21:59:18,210 INFO L226 Difference]: Without dead ends: 2136 [2024-11-08 21:59:18,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:59:18,218 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 351 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 21:59:18,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 784 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 21:59:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2024-11-08 21:59:18,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 1652. [2024-11-08 21:59:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1181 states have (on average 1.4521591871295512) internal successors, (1715), 1193 states have internal predecessors, (1715), 438 states have call successors, (438), 32 states have call predecessors, (438), 32 states have return successors, (438), 426 states have call predecessors, (438), 438 states have call successors, (438) [2024-11-08 21:59:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2591 transitions. [2024-11-08 21:59:18,366 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2591 transitions. Word has length 307 [2024-11-08 21:59:18,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:59:18,367 INFO L471 AbstractCegarLoop]: Abstraction has 1652 states and 2591 transitions. [2024-11-08 21:59:18,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:59:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2591 transitions. [2024-11-08 21:59:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-08 21:59:18,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:59:18,370 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:59:18,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 21:59:18,370 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:59:18,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:59:18,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1863157820, now seen corresponding path program 1 times [2024-11-08 21:59:18,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:59:18,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707675863] [2024-11-08 21:59:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:59:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:59:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:59:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:59:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:59:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:59:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:59:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:59:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:59:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:59:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:59:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:59:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:59:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:59:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:59:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:59:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:59:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:59:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:59:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:59:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:59:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:59:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:59:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:59:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:59:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:59:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:59:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:59:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:59:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:59:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:59:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:59:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:59:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:59:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:59:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:59:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:59:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:59:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:59:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:59:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:59:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:59:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:59:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:59:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:59:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:59:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:59:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:59:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:59:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:59:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:59:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:59:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:59:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:59:23,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:59:23,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707675863] [2024-11-08 21:59:23,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707675863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:59:23,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:59:23,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 21:59:23,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569551560] [2024-11-08 21:59:23,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:59:23,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 21:59:23,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:59:23,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 21:59:23,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 21:59:23,267 INFO L87 Difference]: Start difference. First operand 1652 states and 2591 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)