./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:32:29,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:32:29,692 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:32:29,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:32:29,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:32:29,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:32:29,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:32:29,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:32:29,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:32:29,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:32:29,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:32:29,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:32:29,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:32:29,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:32:29,733 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:32:29,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:32:29,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:32:29,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:32:29,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:32:29,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:32:29,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:32:29,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:32:29,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:32:29,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:32:29,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:32:29,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:32:29,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:32:29,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:32:29,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:32:29,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:32:29,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:32:29,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:32:29,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:32:29,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:32:29,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:32:29,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:32:29,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:32:29,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:32:29,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:32:29,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:32:29,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:32:29,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:32:29,744 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 [2024-11-10 05:32:29,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:32:30,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:32:30,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:32:30,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:32:30,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:32:30,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-10 05:32:31,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:32:31,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:32:31,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-10 05:32:31,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d883c5426/d2ac8a5de1cd49c9a3b9864258d1a3e3/FLAG011fabb64 [2024-11-10 05:32:31,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d883c5426/d2ac8a5de1cd49c9a3b9864258d1a3e3 [2024-11-10 05:32:31,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:32:31,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:32:31,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:32:31,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:32:31,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:32:31,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:31" (1/1) ... [2024-11-10 05:32:31,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e107f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:31, skipping insertion in model container [2024-11-10 05:32:31,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:31" (1/1) ... [2024-11-10 05:32:31,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:32:32,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-11-10 05:32:32,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:32:32,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:32:32,158 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-11-10 05:32:32,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:32:32,223 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:32:32,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32 WrapperNode [2024-11-10 05:32:32,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:32:32,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:32:32,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:32:32,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:32:32,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,316 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2024-11-10 05:32:32,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:32:32,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:32:32,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:32:32,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:32:32,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,362 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]. [2024-11-10 05:32:32,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,387 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:32:32,415 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:32:32,415 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:32:32,416 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:32:32,416 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (1/1) ... [2024-11-10 05:32:32,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:32:32,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:32:32,451 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) [2024-11-10 05:32:32,455 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 [2024-11-10 05:32:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:32:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:32:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:32:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:32:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:32:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:32:32,614 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:32:32,618 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:32:33,138 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 05:32:33,139 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:32:33,167 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:32:33,167 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:32:33,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:32:33 BoogieIcfgContainer [2024-11-10 05:32:33,168 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:32:33,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:32:33,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:32:33,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:32:33,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:32:31" (1/3) ... [2024-11-10 05:32:33,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f6d830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:32:33, skipping insertion in model container [2024-11-10 05:32:33,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:32" (2/3) ... [2024-11-10 05:32:33,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f6d830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:32:33, skipping insertion in model container [2024-11-10 05:32:33,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:32:33" (3/3) ... [2024-11-10 05:32:33,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-10 05:32:33,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:32:33,195 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:32:33,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:32:33,267 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;@11e56074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:32:33,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:32:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 05:32:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:32:33,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:33,290 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:33,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:33,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:33,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1702157946, now seen corresponding path program 1 times [2024-11-10 05:32:33,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:33,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382884271] [2024-11-10 05:32:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:32:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:32:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:32:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:32:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:32:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:32:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:32:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:32:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:32:33,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:33,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382884271] [2024-11-10 05:32:33,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382884271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:33,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:33,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:32:33,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790230545] [2024-11-10 05:32:33,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:33,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:32:33,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:34,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:32:34,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:32:34,015 INFO L87 Difference]: Start difference. First operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:32:34,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:34,065 INFO L93 Difference]: Finished difference Result 192 states and 334 transitions. [2024-11-10 05:32:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:32:34,069 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-10 05:32:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:34,079 INFO L225 Difference]: With dead ends: 192 [2024-11-10 05:32:34,079 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 05:32:34,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:32:34,090 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:34,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:32:34,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 05:32:34,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-10 05:32:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 05:32:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-10 05:32:34,162 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 176 [2024-11-10 05:32:34,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:34,163 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-10 05:32:34,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:32:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-10 05:32:34,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:32:34,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:34,168 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:34,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:32:34,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:34,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash -455791577, now seen corresponding path program 1 times [2024-11-10 05:32:34,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:34,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345630435] [2024-11-10 05:32:34,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:34,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:32:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:32:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:32:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:32:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:32:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:32:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:32:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:32:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:32:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345630435] [2024-11-10 05:32:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345630435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:34,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:34,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:32:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606607803] [2024-11-10 05:32:34,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:34,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:32:34,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:34,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:32:34,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:32:34,735 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:34,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:34,846 INFO L93 Difference]: Finished difference Result 188 states and 295 transitions. [2024-11-10 05:32:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:32:34,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:32:34,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:34,850 INFO L225 Difference]: With dead ends: 188 [2024-11-10 05:32:34,850 INFO L226 Difference]: Without dead ends: 96 [2024-11-10 05:32:34,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:32:34,858 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:34,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:32:34,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-10 05:32:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-10 05:32:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 05:32:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 149 transitions. [2024-11-10 05:32:34,885 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 149 transitions. Word has length 176 [2024-11-10 05:32:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:34,887 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 149 transitions. [2024-11-10 05:32:34,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2024-11-10 05:32:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:32:34,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:34,894 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:34,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:32:34,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:34,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash -966325754, now seen corresponding path program 1 times [2024-11-10 05:32:34,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:34,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414302204] [2024-11-10 05:32:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:32:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:32:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:32:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:32:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:32:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:32:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:32:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:32:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:32:35,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:35,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414302204] [2024-11-10 05:32:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414302204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:35,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:35,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:32:35,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123984842] [2024-11-10 05:32:35,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:35,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:32:35,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:35,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:32:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:32:35,303 INFO L87 Difference]: Start difference. First operand 96 states and 149 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:35,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:35,606 INFO L93 Difference]: Finished difference Result 284 states and 443 transitions. [2024-11-10 05:32:35,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:32:35,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:32:35,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:35,610 INFO L225 Difference]: With dead ends: 284 [2024-11-10 05:32:35,612 INFO L226 Difference]: Without dead ends: 191 [2024-11-10 05:32:35,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 05:32:35,614 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 154 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:35,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 492 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:32:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-10 05:32:35,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 144. [2024-11-10 05:32:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 05:32:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 223 transitions. [2024-11-10 05:32:35,646 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 223 transitions. Word has length 176 [2024-11-10 05:32:35,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:35,647 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 223 transitions. [2024-11-10 05:32:35,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 223 transitions. [2024-11-10 05:32:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:32:35,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:35,655 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:35,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:32:35,655 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:35,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:35,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1290585253, now seen corresponding path program 1 times [2024-11-10 05:32:35,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:35,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383652680] [2024-11-10 05:32:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:35,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:32:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:32:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:32:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:32:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:32:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:32:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:32:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:32:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:32:36,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:36,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383652680] [2024-11-10 05:32:36,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383652680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:36,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:36,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:32:36,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84694531] [2024-11-10 05:32:36,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:36,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:32:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:36,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:32:36,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:32:36,087 INFO L87 Difference]: Start difference. First operand 144 states and 223 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:36,160 INFO L93 Difference]: Finished difference Result 330 states and 515 transitions. [2024-11-10 05:32:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:32:36,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:32:36,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:36,167 INFO L225 Difference]: With dead ends: 330 [2024-11-10 05:32:36,169 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 05:32:36,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:32:36,173 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 95 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:36,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 324 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:32:36,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 05:32:36,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2024-11-10 05:32:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:32:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 363 transitions. [2024-11-10 05:32:36,226 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 363 transitions. Word has length 176 [2024-11-10 05:32:36,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:36,228 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 363 transitions. [2024-11-10 05:32:36,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 363 transitions. [2024-11-10 05:32:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:32:36,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:36,231 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:36,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:32:36,232 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:36,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:36,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1501936166, now seen corresponding path program 1 times [2024-11-10 05:32:36,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:36,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973284329] [2024-11-10 05:32:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:36,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:32:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:32:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:32:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:32:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:32:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:32:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:32:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:32:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:32:48,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:48,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973284329] [2024-11-10 05:32:48,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973284329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:48,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:48,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:32:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984080540] [2024-11-10 05:32:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:48,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:32:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:32:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:32:48,827 INFO L87 Difference]: Start difference. First operand 234 states and 363 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:55,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:55,185 INFO L93 Difference]: Finished difference Result 505 states and 775 transitions. [2024-11-10 05:32:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 05:32:55,186 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:32:55,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:55,189 INFO L225 Difference]: With dead ends: 505 [2024-11-10 05:32:55,189 INFO L226 Difference]: Without dead ends: 412 [2024-11-10 05:32:55,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2024-11-10 05:32:55,191 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 683 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:55,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 1061 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-10 05:32:55,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-10 05:32:55,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 275. [2024-11-10 05:32:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 190 states have (on average 1.3894736842105264) internal successors, (264), 190 states have internal predecessors, (264), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:32:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 426 transitions. [2024-11-10 05:32:55,217 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 426 transitions. Word has length 176 [2024-11-10 05:32:55,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:55,217 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 426 transitions. [2024-11-10 05:32:55,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 426 transitions. [2024-11-10 05:32:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:32:55,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:55,220 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:55,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:32:55,220 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:55,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:55,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1285479321, now seen corresponding path program 1 times [2024-11-10 05:32:55,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841871463] [2024-11-10 05:32:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:32:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:32:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:32:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:32:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:32:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:32:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:32:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:32:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:32:55,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:55,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841871463] [2024-11-10 05:32:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841871463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:55,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:32:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150183916] [2024-11-10 05:32:55,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:55,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:32:55,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:55,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:32:55,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:32:55,346 INFO L87 Difference]: Start difference. First operand 275 states and 426 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:55,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:55,404 INFO L93 Difference]: Finished difference Result 460 states and 716 transitions. [2024-11-10 05:32:55,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:32:55,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:32:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:55,409 INFO L225 Difference]: With dead ends: 460 [2024-11-10 05:32:55,411 INFO L226 Difference]: Without dead ends: 367 [2024-11-10 05:32:55,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:32:55,413 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 139 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:55,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 318 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:32:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-10 05:32:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 274. [2024-11-10 05:32:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 189 states have internal predecessors, (262), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:32:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 424 transitions. [2024-11-10 05:32:55,442 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 424 transitions. Word has length 176 [2024-11-10 05:32:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:55,442 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 424 transitions. [2024-11-10 05:32:55,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:32:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 424 transitions. [2024-11-10 05:32:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:32:55,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:55,444 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:55,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 05:32:55,445 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:55,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:55,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2140276188, now seen corresponding path program 1 times [2024-11-10 05:32:55,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:55,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595815915] [2024-11-10 05:32:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:55,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:33:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:33:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:33:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:33:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:33:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:33:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:33:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:33:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:33:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:33:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:33:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:33:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:33:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:33:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:33:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:33:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:33:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:33:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:33:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:33:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:33:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:33:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:33:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:33:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:33:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:33:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:33:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:33:01,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:33:01,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595815915] [2024-11-10 05:33:01,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595815915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:33:01,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:33:01,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:33:01,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590929154] [2024-11-10 05:33:01,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:33:01,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:33:01,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:33:01,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:33:01,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:33:01,195 INFO L87 Difference]: Start difference. First operand 274 states and 424 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:33:04,922 INFO L93 Difference]: Finished difference Result 550 states and 839 transitions. [2024-11-10 05:33:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 05:33:04,923 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:33:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:33:04,927 INFO L225 Difference]: With dead ends: 550 [2024-11-10 05:33:04,927 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 05:33:04,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2024-11-10 05:33:04,932 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 548 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 05:33:04,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1208 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 05:33:04,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 05:33:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 276. [2024-11-10 05:33:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 191 states have (on average 1.382198952879581) internal successors, (264), 191 states have internal predecessors, (264), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:33:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 426 transitions. [2024-11-10 05:33:04,955 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 426 transitions. Word has length 177 [2024-11-10 05:33:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:33:04,956 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 426 transitions. [2024-11-10 05:33:04,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 426 transitions. [2024-11-10 05:33:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:33:04,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:33:04,958 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:33:04,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 05:33:04,959 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:33:04,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:33:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1208866599, now seen corresponding path program 1 times [2024-11-10 05:33:04,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:33:04,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413108926] [2024-11-10 05:33:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:33:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:33:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:33:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:33:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:33:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:33:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:33:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:33:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:33:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:33:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:33:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:33:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:33:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:33:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:33:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:33:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:33:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:33:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:33:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:33:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:33:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:33:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:33:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:33:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:33:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:33:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:33:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:33:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:33:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:33:05,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:33:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413108926] [2024-11-10 05:33:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413108926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:33:05,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:33:05,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:33:05,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604035095] [2024-11-10 05:33:05,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:33:05,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:33:05,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:33:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:33:05,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:33:05,252 INFO L87 Difference]: Start difference. First operand 276 states and 426 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:33:05,314 INFO L93 Difference]: Finished difference Result 481 states and 739 transitions. [2024-11-10 05:33:05,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:33:05,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:33:05,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:33:05,317 INFO L225 Difference]: With dead ends: 481 [2024-11-10 05:33:05,317 INFO L226 Difference]: Without dead ends: 296 [2024-11-10 05:33:05,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:33:05,320 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 68 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:33:05,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 296 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:33:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-10 05:33:05,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 284. [2024-11-10 05:33:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 197 states have (on average 1.3553299492385786) internal successors, (267), 197 states have internal predecessors, (267), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:33:05,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 429 transitions. [2024-11-10 05:33:05,341 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 429 transitions. Word has length 177 [2024-11-10 05:33:05,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:33:05,342 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 429 transitions. [2024-11-10 05:33:05,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 429 transitions. [2024-11-10 05:33:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:33:05,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:33:05,344 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:33:05,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 05:33:05,344 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:33:05,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:33:05,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1278646234, now seen corresponding path program 1 times [2024-11-10 05:33:05,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:33:05,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888623309] [2024-11-10 05:33:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:33:05,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:33:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:33:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:33:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:33:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:33:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:33:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:33:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:33:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:33:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:33:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:33:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:33:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:33:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:33:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:33:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:33:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:33:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:33:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:33:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:33:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:33:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:33:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:33:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:33:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:33:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:33:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:33:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:33:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:33:14,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:33:14,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888623309] [2024-11-10 05:33:14,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888623309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:33:14,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:33:14,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 05:33:14,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349761915] [2024-11-10 05:33:14,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:33:14,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 05:33:14,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:33:14,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 05:33:14,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-10 05:33:14,534 INFO L87 Difference]: Start difference. First operand 284 states and 429 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:33:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:33:24,347 INFO L93 Difference]: Finished difference Result 387 states and 567 transitions. [2024-11-10 05:33:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 05:33:24,348 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-10 05:33:24,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:33:24,350 INFO L225 Difference]: With dead ends: 387 [2024-11-10 05:33:24,350 INFO L226 Difference]: Without dead ends: 384 [2024-11-10 05:33:24,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=388, Invalid=1172, Unknown=0, NotChecked=0, Total=1560 [2024-11-10 05:33:24,352 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 903 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:33:24,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 1005 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-10 05:33:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-10 05:33:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 284. [2024-11-10 05:33:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 197 states have (on average 1.3553299492385786) internal successors, (267), 197 states have internal predecessors, (267), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:33:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 429 transitions. [2024-11-10 05:33:24,375 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 429 transitions. Word has length 177 [2024-11-10 05:33:24,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:33:24,376 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 429 transitions. [2024-11-10 05:33:24,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:33:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 429 transitions. [2024-11-10 05:33:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:33:24,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:33:24,378 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:33:24,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 05:33:24,379 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:33:24,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:33:24,379 INFO L85 PathProgramCache]: Analyzing trace with hash -144262931, now seen corresponding path program 1 times [2024-11-10 05:33:24,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:33:24,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145856766] [2024-11-10 05:33:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:33:24,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:33:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:33:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:33:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:33:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:33:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:33:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:33:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:33:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:33:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:33:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:33:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:33:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:33:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:33:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:33:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:33:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:33:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:33:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:33:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:33:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:33:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:33:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:33:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:33:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:33:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:33:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:33:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:33:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:33:29,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:33:29,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145856766] [2024-11-10 05:33:29,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145856766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:33:29,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:33:29,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 05:33:29,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329078601] [2024-11-10 05:33:29,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:33:29,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 05:33:29,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:33:29,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 05:33:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-10 05:33:29,993 INFO L87 Difference]: Start difference. First operand 284 states and 429 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:35,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:33:35,808 INFO L93 Difference]: Finished difference Result 414 states and 604 transitions. [2024-11-10 05:33:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 05:33:35,810 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:33:35,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:33:35,814 INFO L225 Difference]: With dead ends: 414 [2024-11-10 05:33:35,814 INFO L226 Difference]: Without dead ends: 411 [2024-11-10 05:33:35,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=322, Invalid=868, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 05:33:35,815 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 521 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-10 05:33:35,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1184 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-10 05:33:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-10 05:33:35,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 303. [2024-11-10 05:33:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 216 states have (on average 1.3703703703703705) internal successors, (296), 216 states have internal predecessors, (296), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:33:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 458 transitions. [2024-11-10 05:33:35,840 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 458 transitions. Word has length 177 [2024-11-10 05:33:35,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:33:35,841 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 458 transitions. [2024-11-10 05:33:35,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 458 transitions. [2024-11-10 05:33:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:33:35,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:33:35,843 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:33:35,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 05:33:35,844 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:33:35,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:33:35,844 INFO L85 PathProgramCache]: Analyzing trace with hash -437665938, now seen corresponding path program 1 times [2024-11-10 05:33:35,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:33:35,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556093163] [2024-11-10 05:33:35,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:33:35,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:33:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:33:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:33:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:33:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:33:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:33:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:33:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:33:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:33:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:33:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:33:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:33:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:33:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:33:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:33:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:33:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:33:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:33:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:33:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:33:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:33:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:33:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:33:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:33:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:33:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:33:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:33:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:33:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:33:41,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:33:41,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556093163] [2024-11-10 05:33:41,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556093163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:33:41,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:33:41,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 05:33:41,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479151465] [2024-11-10 05:33:41,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:33:41,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 05:33:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:33:41,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 05:33:41,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-10 05:33:41,103 INFO L87 Difference]: Start difference. First operand 303 states and 458 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:44,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:33:44,627 INFO L93 Difference]: Finished difference Result 406 states and 596 transitions. [2024-11-10 05:33:44,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 05:33:44,629 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:33:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:33:44,631 INFO L225 Difference]: With dead ends: 406 [2024-11-10 05:33:44,632 INFO L226 Difference]: Without dead ends: 403 [2024-11-10 05:33:44,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 05:33:44,635 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 545 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 05:33:44,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1114 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 05:33:44,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-10 05:33:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 303. [2024-11-10 05:33:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 216 states have (on average 1.3703703703703705) internal successors, (296), 216 states have internal predecessors, (296), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:33:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 458 transitions. [2024-11-10 05:33:44,660 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 458 transitions. Word has length 177 [2024-11-10 05:33:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:33:44,662 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 458 transitions. [2024-11-10 05:33:44,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:33:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 458 transitions. [2024-11-10 05:33:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 05:33:44,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:33:44,665 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:33:44,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 05:33:44,665 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:33:44,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:33:44,665 INFO L85 PathProgramCache]: Analyzing trace with hash -486744408, now seen corresponding path program 1 times [2024-11-10 05:33:44,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:33:44,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193000314] [2024-11-10 05:33:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:33:44,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:33:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat